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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gros J.-B., Tikhomirov A.A., Ushakova S.A., Manukovsky N.S., Gubanov V.G., Barkhatov Y.V., Zolotukhin I.G., Kovalev V.S., Lasseur C.
Заглавие : An experimental model of a biological life support system with the intra-system mass exchange closed to a high degree, based on "biological combustion" of dead-end plant residues
Место публикации : SAE Technical Papers. - 2003. - 33rd International Conference on Environmental Systems, ICES 2003 (7 July 2003 through 10 July 2003, Vancouver, BC. - , DOI 10.4271/2003-01-2417
Ключевые слова (''Своб.индексиров.''): artificial ecosystems--biogenic elements--biological life support systems--cycling process--experimental models--higher plants--mass exchange--mass-exchange process--material transformation--plant residues--stoichiometric equation--carbon dioxide--combustion
Аннотация: This work concerns the model of a biological life support system consisting of higher plants, a unit of "biological combustion", a physicochemical reactor, and 1/30 of a human. The cycling of the main biogenic elements of the system, water, and carbon dioxide was closed to a high degree (more than 95%). Experimental-theoretical analysis of the cycling processes in the system was based on the calculations of mass exchange rates dynamics and some stoichiometric equations. The model was designed for the study of mechanisms of material transformation and the directions of mass exchange processes in the artificial ecosystems. Copyright В© 2003 SAE International.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov A.A., Ushakova S.A., Velichko V.V., Tikhomirova N.A., Kudenko Y.A., Gribovskaya I.V., Gros J.-B., Lasseur C.
Заглавие : Assessment of the possibility of establishing material cycling in an experimental model of the bio-technical life support system with plant and human wastes included in mass exchange
Место публикации : Acta Astronautica. - 2011. - Vol. 68, Is. 9-10. - С. 1548-1554. - ISSN 00945765 (ISSN) , DOI 10.1016/j.actaastro.2010.10.005
Ключевые слова (''Своб.индексиров.''): biological-technical life support system--photosynthesizing unit--utilization of plant and human wastes--biological substrates--chemical component--experimental models--human waste--life support systems--mass exchange--mass transfer process--material cycling--photosynthesizing unit--physicochemical methods--pilot model--plant biomass--plant wastes--recycled products--salicornia europaea--simultaneous use--soil-like substrate--utilization of plant and human wastes--sodium chloride--substrates--waste incineration--waste utilization
Аннотация: A pilot model of a bio-technical life support system (BTLSS) including human and plant wastes has been developed at the Institute of Biophysics SB RAS (Krasnoyarsk, Russia). This paper describes the structure of the photosynthesizing unit of the system, which includes wheat, chufa and vegetables. The study substantiates the simultaneous use of neutral and biological substrates for cultivating plants. A novel physicochemical method for the involvement of human wastes in the cycling has been employed, which enables the use of recycled products as nutrients for plants. Inedible plant biomass was subjected to biological combustion in the soil-like substrate (SLS) and was thus involved in the system mass exchange; NaCl contained in native urine was returned to the human through the consumption of Salicornia europaea, an edible salt-concentrating plant. Mass transfer processes in the studied BLSS have been examined for different chemical components. В© 2009 Elsevier Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kuchkina A., Gladyshev M.I., Sushchik N.N., Kravchuk E.S., Kalachova G.S.
Заглавие : Biodiesel production from sediments of a eutrophic reservoir
Место публикации : Biomass and Bioenergy. - 2011. - Vol. 35, Is. 5. - С. 2280-2284. - ISSN 09619534 (ISSN) , DOI 10.1016/j.biombioe.2011.02.047
Ключевые слова (''Своб.индексиров.''): biodiesel--dredging sediments--eutrophic reservoir--fatty acids--lipids--bio-diesel fuel--biodiesel production--cetane number--dry weight--en 14214--eutrophic reservoirs--heat of combustion--high price--iodine number--is costs--lake restoration--lipid content--production cost--siberia--anoxic sediments--biodiesel--costs--diesel fuels--eutrophication--fatty acids--iodine--lipids--reservoirs (water)--sedimentology--synthetic fuels--thermochemistry--dredging--biofuel--combustion--dredging--environmental restoration--eutrophic environment--iodine--lacustrine deposit--lipid--production cost--reservoir--bugach reservoir--krasnoyarsk [russian federation]--russian federation
Аннотация: Sediments from eutrophic reservoir Bugach (Siberia, Russia) were tested for possibility to produce biodiesel. We supposed that the sediments could be a promising biodiesel producer. The major reason of high price of biodiesel fuel is cost of a raw material. The use of dredging sediments for biodiesel production reduces production costs, because the dredging sediments are by-products which originated during lake restoration actions, and are free of cost raw materials. Lipid content in sediments was 0.24% of dry weight. To assess the potential of from sediments as a substitute of diesel fuel, the properties of the biodiesel such as cetane number, iodine number and heat of combustion were calculated. All of this parameters complied with limits established by EN 14214 and EN 14213 related to biodiesel quality. В© 2011 Elsevier Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zolotukhin I.G., Tikhomirov A.A., Kudenko Yu.A., Gribovskaya I.V.
Заглавие : Biological and physicochemical methods for utilization of plant wastes and human exometabolites for increasing internal cycling and closure of life support systems
Место публикации : Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - С. 1559-1562. - ISSN 02731177 (ISSN) , DOI 10.1016/j.asr.2005.01.006
Ключевые слова (''Своб.индексиров.''): blss--desalting--higher plants--nacl utilization--sls--biomass--crops--decomposition--electrodialysis--harvesting--metabolites--soils--wastes--blss--higher plants--nacl utilization--sls--plants (botany)--biomass--decay--deionization--harvesting--plants--soil--wastes--wheat--sodium chloride--article--biomass--bioremediation--culture medium--feces--growth, development and aging--human--metabolism--methodology--microbiology--microclimate--urine--waste management--wheat--biodegradation, environmental--biomass--culture media--ecological systems, closed--feces--humans--life support systems--sodium chloride--soil microbiology--triticum--urine--waste management
Аннотация: Wheat was cultivated on soil-like substrate (SLS) produced by the action of worms and microflora from the inedible biomass of wheat. After the growth of the wheat crop, the inedible biomass was restored in SLS and exposed to decomposition ("biological" combustion) and its mineral compounds were assimilated by plants. Grain was returned to the SLS in the amount equivalent to human solid waste produced by consumption of the grain. Human wastes (urine and feces) after physicochemical processing turned into mineralized form (mineralized urine and mineralized feces) and entered the plants' nutrient solution amounts equal to average daily production. Periodically (once every 60-70 days) the nutrient solution was partly (up to 50%) desalinated by electrodialysis. Due to this NaCl concentration in the nutrient solution was sustained at a fixed level of about 0.26%. The salt concentrate obtained could be used in the human nutrition through NaCl extraction and the residuary elements were returned through the mineralized human liquid wastes into matter turnover. The control wheat cultivation was carried out on peat with use of the Knop nutrient solution. Serial cultivation of several wheat vegetations within 280 days was conducted during the experiment. Grain output varied and yield/harvest depended, in large part, upon the amount of inedible biomass returned to SLS and the speed of its decomposition. After achieving a stationary regime, (when the quantity of wheat inedible biomass utilized during vegetation in SLS is equal to the quantity of biomass introduced into SLS before vegetation) grain harvest in comparison with the control was at most 30% less, and in some cases was comparable to the control harvest values. The investigations carried out on the wheat example demonstrated in principle the possibility of long-term functioning of the LSS photosynthesizing link based on optimizations of biological and physicochemical methods of utilization of the human and plants wastes. The possibilities for the use of these technologies for the creation integrated biological-physicochemical LSS with high closure degree of internal matter turnover are discussed in this paper. В© 2005 Published by Elsevier Ltd on behalf of COSPAR.
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Tikhomirov A. A., Trifonov S. V., Morozov E. A.
Заглавие : Developing the technology of physicochemical processing of organic waste in closed life support systems for space applications
Место публикации : IOP Conference Series: Materials Science and Engineering: Institute of Physics Publishing, 2018. - Vol. 450: 9th International Multidisciplinary Scientific and Research Conference on Modern Issues in Science and Technology Workshop in Advanced Technologies in Aerospace, Mechanical and Automation Engineering, MISTAerospace 2018 (20 October 2018 through 28 October 2018, ) Conference code: 143027, Is. 6. - , DOI 10.1088/1757-899X/450/6/062017
Ключевые слова (''Своб.индексиров.''): electric fields--environmental management--fighter aircraft--life support systems (spacecraft)--mass transfer--space applications--structural design--wastes--alternating current--combustion method--individual components--mineral nutrients--optimal parameter--physicochemical methods--technical implementation--waste processing--waste incineration
Аннотация: Closed life support systems for space applications need a technology of processing organic waste produced in the system that would enable incorporating the recycled waste into the mass transfer of the system. Researchers of the Institute of Biophysics SB RAS have developed a method of waste processing that meets these requirements: a physicochemical method of organic waste oxidation in the hydrogen peroxide aqueous solution under application of an alternating current electric field - wet combustion. The mineralized solution produced by this method can be used as a mineral nutrient supplement for higher plants in the life support system. The present study describes technical implementation of the wet combustion method and reports results of developing this method in the last few years. The study addresses problems associated with the design and positions of individual components and different configurations of the wet combustion reactor, showing the way to automate operation of the reactor and reporting optimal parameters of the current applied to the electrodes, which reduce time and power consumption by waste processing. © 2018 Institute of Physics Publishing. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov A. A., Trifonov S. V., Morozov E. A., Kudenko, Yu. A., Kalacheva G. S., Ushakova S. A.
Заглавие : Development of human exometabolite deep mineralization method for closed ecosystems
Колич.характеристики :3 с
Коллективы : Russian Science Foundation [14-14-00599]
Место публикации : Dokl. Biochem. Biophys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2016. - Vol. 470, Is. 1. - С. 316-318. - ISSN 1607-6729, DOI 10.1134/S1607672916050021. - ISSN 1608-3091(eISSN)
Примечания : Cited References:9. - The study was supported by the Russian Science Foundation (project no. 14-14-00599).
Аннотация: Methods of physicochemical further oxidation of hardly soluble sediment obtained from "wet combustion" of human exometabolites applied to space-purpose Bio Technological Life Support Systems (BTLLS) were studied. Most hardly dissoluble sediment containing Ca, P, Mg, and other essential plant nutrition elements were shown to dissolve in H2O2 and HNO3 aqueous media activated by alternating electric current. Dissolved additional mineral elements allowed (as demonstrated for lettuce) to increase the productivity of BTLLS phototrophic unit plants more than twice, which is comparable to their productivity on standard Knop solution with balanced chemical composition. Thus, dissolved mineral elements can be involved into BTLLS turnover process and increase its closure degree.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sushchik N.N., Kuchkina A.Y., Gladyshev M.I.
Заглавие : Fatty acid content and composition of sediments from Siberian eutrophic water bodies: Implications for biodiesel production
Место публикации : Water Research. - 2013. - Vol. 47, Is. 9. - С. 3192-3200. - ISSN 00431354 (ISSN) , DOI 10.1016/j.watres.2013.03.031
Ключевые слова (''Своб.индексиров.''): biodiesel--bottom sediments--fatty acids--fuel properties--inland water bodies--lipids--biological conditions--bottom sediments--environmental characteristic--freshwater reservoirs--fuel properties--inland waters--organic matter source--transformation process--biodiesel--eutrophication--fatty acids--feedstocks--fuels--lipids--reservoirs (water)--sedimentology--thermochemistry--sediments--biodiesel--fresh water--iodine--organic matter--biofuel--bottom water--combustion--eutrophic environment--eutrophication--fatty acid--lacustrine deposit--physicochemical property--reservoir--transformation--article--estuary--eutrophication--fatty acid analysis--lake--lipid composition--priority journal--sediment--khakassia--krasnoyarsk [krasnoyarsk (ads)]--krasnoyarsk [russian federation]--lake shira--russian federation
Аннотация: We studied lipids and fatty acids (FA) in bottom sediments from four Siberian water bodies, Bugach, Lesnoi and Krasnoyarsk freshwater reservoirs and brackish Shira lake, that differed in physico-chemical and biological conditions. We considered the potential of the bottom sediments as a feedstock for biodiesel production and estimated properties of the obtained biodiesel as a fuel on the basis of FA composition. Contents of lipids and FA in the sediments moderately varied and were generally close to the reported data from lacustrine and estuarine systems. We confirmed that long-term eutrophication of a water body resulted in the lipid-rich bottom sediments that make them a feedstock for biodiesel production. Each of the studied water bodies had specific FA composition of sediments likely due to different organic matter sources and transformation processes. Despite these differences in FA profiles, calculated key parameters (cetane number, iodine number and heat of combustion) of biodiesel produced from all the studied sediments met the limits established by current biodiesel standards. Thus, the variation in the sediment FA composition due to environmental characteristics of a water body likely has no principal significance for fuel properties of the obtained biodiesel. В© 2013 Elsevier Ltd.
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Morozov Ye. A., Trifonov S. V., Ushakova S. A., Anishchenko O. V., Tikhomirov A. A.
Заглавие : Feasibility of incorporating all products of human waste processing into material cycling in the btlss
Место публикации : Proceedings of the International Astronautical Congress, IAC. - 2017. - Vol. 4: 68th International Astronautical Congress: Unlocking Imagination, Fostering Innovation and Strengthening Security, IAC 2017 (25 September 2017 through 29 September 2017, ) Conference code: 136635. - С. 2143-2149
Ключевые слова (''Своб.индексиров.''): btlss--closure--cycling--hydroponics--nutrient availability--sediment--dissolution--energy efficiency--irrigation--life support systems (spacecraft)--plant shutdowns--sediments--space applications--waste incineration--btlss--closure--cycling--hydroponics--nutrient availability--nutrients
Аннотация: The present study addresses the ways to increase the closure of biotechnical life support systems (BTLSS) for space applications. A promising method of organic waste processing based on wet combustion in hydrogen peroxide developed at the IBP SB RAS to produce fertilizers for higher plants is discussed. The method is relatively compact, energy efficient, productive, and eco-friendly. However, about 4-6 g/L of recalcitrant sediment containing such essential nutrients as Ca, Mg, P, Fe, Cu, Mn, and Zn precipitates after the initial process. These elements are unavailable to plants grown hydroponically, thus dropping out of the cycling as deadlock products. Possible methods of dissolving that sediment have been studied. Results of experiments show that the most promising method is additional oxidation of the sediment in HNO3 + H2O2. By using the new technological process, which only involves substances synthesized inside the BTLSS material flows, more than 90% of each nutrient can be converted into the available form in irrigation solutions, thus returning them into the material cycling. The efficiency of irrigation solutions beneficiated with the mineral nutrients after the sediment dissolution has been shown. Lettuce plants grown as the test object on the newly prepared irrigation solutions produced the yield that was higher more than twice compared to the nutrient solutions prepared without the sediment conversion into a soluble state. Composition of the gases emitted during this process has been analysed. Dynamics of oxidation of small fractions of a wax-like sediment remaining after its dissolution in the BTLSS soil-like substrate has been studied. In conclusion, the entire technological chain aimed at inclusion of deadlock products of human waste wet combustion into the BTLSS cycling has been suggested and discussed. © 2017 by the International Astronautical Federation (IAF). All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirova N. A., Trifonov, S., V, Ushakova S. A., Morozov E. A., Anischenko, O., V, Tikhomirov A. A.
Заглавие : Incorporation of mineralized human waste and fish waste as a source of higher plant mineral nutrition in the BTLSS mass exchange
Колич.характеристики :9 с
Коллективы : Russian Science Foundation [14-14-00599]; State Program for IBP SB RAS for 2013-2020 [56.1.4]
Место публикации : Life Sci. Space Res.: ELSEVIER SCIENCE BV, 2019. - Vol. 20. - С. 53-61. - ISSN 2214-5524, DOI 10.1016/j.lssr.2018.12.003. - ISSN 2214-5532(eISSN)
Примечания : Cited References:41. - The study on developing the principles and conditions of fish waste mineralization and on growing wheat plants in the conveyor mode on solutions based on mineralized human waste and fish waste was performed within the framework of subject No. 56.1.4., in accordance with State Program for IBP SB RAS for 2013-2020.; The research in mineralization of human waste and growing wheat plants in the conveyor mode on solutions based on mineralized human waste was supported by the Russian Science Foundation (Project No. 14-14-00599.) and carried out in the IBP SB RAS at FRC KRC SB RAS.
Предметные рубрики: LIFE-SUPPORT-SYSTEM
HYDROGEN-PEROXIDE
MARS
INTEGRATION
BEHAVIOR
Ключевые слова (''Своб.индексиров.''): biotechnical life support system--human waste--fish waste--wheat
Аннотация: The present study deals with the development of the principles and conditions of fish waste mineralization using the method of wet combustion with hydrogen peroxide in alternating electromagnetic field and describes testing mineralized human waste and fish waste as sources of nutrients for plants in the biotechnical human life support system (BTLSS). The study shows that mineralization of fish waste in the wet combustion reactor should be performed in the presence of readily oxidized organic matter, represented by human waste, as an activator of oxidation. Re-mineralization of the sediment in the mixture of hydrogen peroxide and nitric acid in the wet combustion reactor converts mineral elements bound in the sediment into the form available to plants. Using mineralized fish waste as an additional source of mineral elements in the nutrient solutions for growing plants based on mineralized human waste is a way to reduce the amounts of mineral elements added to the solution to replenish it, enabling fuller closure of material loops in the BTLSS.
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10.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tikhomirov A.A., Ushakova S.A., Manukovsky N.S., Lisovsky G.M., Kudenko Y.A., Kovalev V.S., Gubanov V.G., Barkhatov Y.V., Gribovskaya I.V., Zolotukhin I.G., Gros J.B., Lasseur C...
Заглавие : Mass exchange in an experimental new-generation life support system model based on biological regeneration of environment
Колич.характеристики :10 с
Место публикации : SPACE LIFE SCIENCES: CLOSED ARTIFICIAL ECOSYSTEMS AND LIFE SUPPORT SYSTEMS. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON-ELSEVIER SCIENCE LTD, 2003. - Vol. 31: Meeting of F4 1 Session of the 34th Scientific Assembly of COSPAR (OCT, 2002, HOUSTON, TEXAS), Is. 7. - P1711-1720. - ISBN 0273-1177, DOI 10.1016/S0273-1177(03)00108-X
Примечания : Cited References: 13
Аннотация: An experimental model of a biological life support system was used to evaluate qualitative and quantitative parameters of the internal mass exchange. The photosynthesizing unit included the higher plant component (wheat and radish), and the heterotrophic unit consisted of a soil-like substrate, California worms, mushrooms and microbial microflora. The gas mass exchange involved evolution of oxygen by the photosynthesizing component and its uptake by the heterotroph component along with the formation and maintaining of the SLS structure, growth of mushrooms and California worms, human respiration, and some other processes. Human presence in the system in the form of "virtual human" that at regular intervals took part in the respirative gas exchange during the experiment. Experimental data demonstrated good oxygen/carbon dioxide balance, and the closure of the cycles of these gases was almost complete. The water cycle was nearly 100% closed. The main components in the water mass exchange were transpiration water and the watering solution with mineral elements. Human consumption of the edible plant biomass (grains and roots) was simulated by processing these products by a unique physicochemical method of oxidizing them to inorganic mineral compounds, which were then returned into the system and fully assimilated by the plants. The oxidation was achieved by "wet combustion" of organic biomass, using hydrogen peroxide following a special procedure, which does not require high temperature and pressure. Hydrogen peroxide is produced from the water inside the system. The closure of the cycle was estimated for individual elements and compounds. Stoichiometric proportions are given for the main components included in the experimental model of the system. Approaches to the mathematical modeling of the cycling processes are discussed, using the data of the experimental model. Nitrogen, as a representative of biogenic elements, shows an almost 100% closure of the cycle inside the system, The proposed experimental model of a biological system is discussed as a candidate for potential application in the investigations aimed at creating ecosystems with largely closed cycles of the internal mass exchange. The formation and maintenance of sustainable cycling of vitally important chemical elements and compounds in biological life support systems (BLSS) is an extremely pressing problem. To attain the stable functioning of biological life support systems (BLSS) and to maintain a high degree of closure of material cycles in them, it is essential to understand the character of mass exchange processes and stoichiometric proportions of the initial and synthesized components of the system. (C) 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov A.A., Ushakova S.A., Manukovsky N.S., Lisovsky G.M., Kudenko Yu.A., Kovalev V.S., Gubanov V.G., Barkhatov Yu.V., Gribovskaya I.V., Zolotukhin I.G., Gros J.B., Lasseur Ch.
Заглавие : Mass exchange in an experimental new-generation life support system model based on biological regeneration of environment
Место публикации : Advances in Space Research. - 2003. - Vol. 31, Is. 7. - С. 1711-1720. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(03)80017-0
Ключевые слова (''Своб.индексиров.''): biomass--photosynthesis--plants (botany)--transpiration--mass exchange--life support systems (spacecraft)--ammonia--nitrogen--oxygen--biosphere--animal--annelid worm--article--biological model--biomass--bioremediation--evaluation--growth, development and aging--human--metabolism--microclimate--photosynthesis--pleurotus--radish--wheat--ammonia--animals--biodegradation, environmental--biomass--ecological systems, closed--evaluation studies--humans--life support systems--models, biological--nitrogen--oligochaeta--oxygen--photosynthesis--pleurotus--raphanus--triticum
Аннотация: An experimental model of a biological life support system was used to evaluate qualitative and quantitative parameters of the internal mass exchange. The photosynthesizing unit included the higher plant component (wheat and radish), and the heterotrophic unit consisted of a soil-like substrate, California worms, mushrooms and microbial microflora. The gas mass exchange involved evolution of oxygen by the photosynthesizing component and its uptake by the heterotroph component along with the formation and maintaining of the SLS structure, growth of mushrooms and California worms, human respiration, and some other processes. Human presence in the system in the form of "virtual human" that at regular intervals took part in the respirative gas exchange during the experiment. Experimental data demonstrated good oxygen/carbon dioxide balance, and the closure of the cycles of these gases was almost complete. The water cycle was nearly 100% closed. The main components in the water mass exchange were transpiration water and the watering solution with mineral elements. Human consumption of the edible plant biomass (grains and roots) was simulated by processing these products by a unique physicochemical method of oxidizing them to inorganic mineral compounds, which were then returned into the system and fully assimilated by the plants. The oxidation was achieved by "wet combustion" of organic biomass, using hydrogen peroxide following a special procedure, which does not require high temperature and pressure. Hydrogen peroxide is produced from the water inside the system. The closure of the cycle was estimated for individual elements and compounds. Stoichiometric proportions are given for the main components included in the experimental model of the system. Approaches to the mathematical modeling of the cycling processes are discussed, using the data of the experimental model. Nitrogen, as a representative of biogenic elements, shows an almost 100% closure of the cycle inside the system. The proposed experimental model of a biological system is discussed as a candidate for potential application in the investigations aimed at creating ecosystems with largely closed cycles of the internal mass exchange. The formation and maintenance of sustainable cycling of vitally important chemical elements and compounds in biological life support systems (BLSS) is an extremely pressing problem. To attain the stable functioning of biological life support systems (BLSS) and to maintain a high degree of closure of material cycles in them, it is essential to understand the character of mass exchange processes and stoichiometric proportions of the initial and synthesized components of the system. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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12.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tikhomirov A.A., Ushakova S.A., Manukovsky N.S., Lisovsky G.M., Kudenko Y.A., Kovalev V.S., Gubanov V.G., Barkhatov Y.V., Gribovskaya I.V., Zolotukhin I.G., Gros J.B., Lasseur C...
Заглавие : Mass exchange in an experimental new-generation life support system model based on biological regeneration of environment
Место публикации : SPACE LIFE SCIENCES: CLOSED ARTIFICIAL ECOSYSTEMS AND LIFE SUPPORT SYSTEMS. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON-ELSEVIER SCIENCE LTD, 2003. - Vol. 31: Meeting of F4 1 Session of the 34th Scientific Assembly of COSPAR (OCT, 2002, HOUSTON, TEXAS), Is. 7. - С. 1711-1720. - 10. - ISBN 0273-1177, DOI 10.1016/S0273-1177(03)00108-X
Примечания : Cited References: 13
Аннотация: An experimental model of a biological life support system was used to evaluate qualitative and quantitative parameters of the internal mass exchange. The photosynthesizing unit included the higher plant component (wheat and radish), and the heterotrophic unit consisted of a soil-like substrate, California worms, mushrooms and microbial microflora. The gas mass exchange involved evolution of oxygen by the photosynthesizing component and its uptake by the heterotroph component along with the formation and maintaining of the SLS structure, growth of mushrooms and California worms, human respiration, and some other processes. Human presence in the system in the form of "virtual human" that at regular intervals took part in the respirative gas exchange during the experiment. Experimental data demonstrated good oxygen/carbon dioxide balance, and the closure of the cycles of these gases was almost complete. The water cycle was nearly 100% closed. The main components in the water mass exchange were transpiration water and the watering solution with mineral elements. Human consumption of the edible plant biomass (grains and roots) was simulated by processing these products by a unique physicochemical method of oxidizing them to inorganic mineral compounds, which were then returned into the system and fully assimilated by the plants. The oxidation was achieved by "wet combustion" of organic biomass, using hydrogen peroxide following a special procedure, which does not require high temperature and pressure. Hydrogen peroxide is produced from the water inside the system. The closure of the cycle was estimated for individual elements and compounds. Stoichiometric proportions are given for the main components included in the experimental model of the system. Approaches to the mathematical modeling of the cycling processes are discussed, using the data of the experimental model. Nitrogen, as a representative of biogenic elements, shows an almost 100% closure of the cycle inside the system, The proposed experimental model of a biological system is discussed as a candidate for potential application in the investigations aimed at creating ecosystems with largely closed cycles of the internal mass exchange. The formation and maintenance of sustainable cycling of vitally important chemical elements and compounds in biological life support systems (BLSS) is an extremely pressing problem. To attain the stable functioning of biological life support systems (BLSS) and to maintain a high degree of closure of material cycles in them, it is essential to understand the character of mass exchange processes and stoichiometric proportions of the initial and synthesized components of the system. (C) 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bukaemskii A.A., Beloshapko A.G., Puzyr A.P.
Заглавие : Physicochemical properties of Al2O3 powder produced by explosive synthesis
Колич.характеристики :7 с
Место публикации : Combust. Explos.: CONSULTANTS BUREAU, 2000. - Vol. 36, Is. 5. - P660-666. - ISSN 0010-5082, DOI 10.1007/BF02699530
Примечания : Cited References: 18
Аннотация: The phase, dispersive, and morphological features of an aluminum oxide powder produced by explosive synthesis are examined experimentally. It is shown that the particle-size distribution has three distinct maxima, which are due to different combustion regimes. The relationship between the sizes and morphology of the starting powder and the product is determined. Considerable attention is given to a study of the ultrafine fraction of the product powder. The ultrafine particles are shown to have a regular spherical shape, and sinters are not revealed. Besides spherical particles, the synthesized powder contains faceted crystals. X-ray phase analysis of the ultrafine fraction of the synthesized powders shows that this fraction consists only of the metastable phases of the oxide - the delta- or oxynitride modifications. The delta -modification differs from that described in the literature.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Trifonov S. V., Morozov Y. A., Kozlova T. A.
Заглавие : Processing of household waste in the BTLSS using the wet combustion method
Место публикации : Life Sci. Space Res.: Elsevier Ltd, 2019. - Vol. 21. - С. 22-24. - ISSN 22145524 (ISSN) , DOI 10.1016/j.lssr.2019.02.003
Аннотация: The present study discusses physicochemical methods of organic waste processing in closed biotechnical life support systems (BTLSS). Sanitary and household cotton wastes were processed by the method of wet combustion in hydrogen peroxide using an alternating current electric field – a promising physicochemical method for organic waste processing in the BTLSS. The highest efficiency of the process (in terms of power consumption, duration of the process, and oxidation rate) was achieved in experiments with oxidation of a combination of cotton fabrics and urea-containing wastes such as human urine and feces. The reason for this must be that urea is a reactive aqueous solvent of cellulose. © 2019
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Trifonov S. V., Kudenko Y. A., Tikhomirov A. A.
Заглавие : Prospects for using a full-scale installation for wet combustion of organic wastes in closed life support systems
Место публикации : Life Sci. Space Res. - 2015. - Vol. 7. - С. 15-21. - ISSN 22145524 (ISSN) , DOI 10.1016/j.lssr.2015.08.003
Ключевые слова (''Своб.индексиров.''): automatic control--human waste--life support system--physicochemical oxidation--radish growth--hydrogen peroxide--alternating current--article--closed life support system--combustion--control system--electric field--electricity--human--microclimate--mineralization--organic waste--oxidation--radish--recycling--scale up--waste--wet combustion
Аннотация: The issue of recycling organic wastes in closed life support systems (CLSS) includes both fundamental aspects of environmental safety of the recycled products and their effective involvement in material cycles and technical aspects related to the structure of the system and the crew's demands. This study estimates the effectiveness of wet combustion of different amounts of organic wastes in hydrogen peroxide under application of an alternating current electric field. The study also addresses the possibility of controlling the process automatically. The results show that processing of greater amounts of wastes reduces specific power consumption and shortens the duration of the process, without significantly affecting the level of oxidation of the products. An automatic control system for a semi-commercial installation has been constructed and tested experimentally. The solution of mineralized human wastes prepared in the automatically controlled process in this installation was successfully used to grow radish plants, with the main production parameters being similar to those of the control. © 2015 The Committee on Space Research (COSPAR). Published by Elsevier Ltd. All rights reserved.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov A.A., Kudenko Y.A., Ushakova S.A., Tirranen L.S., Gribovskaya I.A., Gros J.-B., Lasseur C.
Заглавие : Use of human wastes oxidized to different degrees in cultivation of higher plants on the soil-like substrate intended for closed ecosystems
Место публикации : Advances in Space Research. - 2010. - Vol. 46, Is. 6. - С. 744-750. - ISSN 02731177 (ISSN) , DOI 10.1016/j.asr.2010.02.024
Ключевые слова (''Своб.индексиров.''): life support systems--microflora--mineralized human wastes--phototrophic unit--wet incineration--alternating electromagnetic field--bioregenerative life support systems--degree of oxidations--denitrifying microorganisms--growth and development--higher plants--human waste--life support systems--mass exchange--microbiotas--microflora--microscopic fungi--mineralized human wastes--nutrient solution--oxidation level--phytopathogenic bacteria--plant productivity--soil-like substrate--wheat plants--biomolecules--electromagnetic fields--irrigation--magnetic field effects--metabolism--metabolites--oxidation--plants (botany)--soils--solvent extraction--wastes--waste incineration
Аннотация: To close mass exchange loops in bioregenerative life support systems more efficiently, researchers of the Institute of Biophysics SB RAS (Krasnoyarsk, Russia) have developed a procedure of wet combustion of human wastes and inedible parts of plants using H2O2 in alternating electromagnetic field. Human wastes pretreated in this way can be used as nutrient solutions to grow plants in the phototrophic unit of the LSS. The purpose of this study was to explore the possibilities of using human wastes oxidized to different degrees to grow plants cultivated on the soil-like substrate (SLS). The treated human wastes were analyzed to test their sterility. Then we investigated the effects produced by human wastes oxidized to different degrees on growth and development of wheat plants and on the composition of microflora in the SLS. The irrigation solution contained water, substances extracted from the substrate, and certain amounts of the mineralized human wastes. The experiments showed that the human wastes oxidized using reduced amounts of 30% H2O2: 1 ml/g of feces and 0.25 ml/ml of urine were still sterile. The experiments with wheat plants grown on the SLS and irrigated by the solution containing treated human wastes in the amount simulating 1/6 of the daily diet of a human showed that the degree of oxidation of human wastes did not significantly affect plant productivity. On the other hand, the composition of the microbiota of irrigation solutions was affected by the oxidation level of the added metabolites. In the solutions supplemented with partially oxidized metabolites yeast-like microscopic fungi were 20 times more abundant than in the solutions containing fully oxidized metabolites. Moreover, in the solutions containing incompletely oxidized human wastes the amounts of phytopathogenic bacteria and denitrifying microorganisms were larger. Thus, insufficiently oxidized sterile human wastes added to the irrigation solutions significantly affect the composition of the microbiological component of these solutions, which can ultimately unbalance the system as a whole. В© 2010 COSPAR. Published by Elsevier Ltd. All rights reserved.
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