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Cited by (52)
Nitrogen cycling in Bioregenerative Life Support Systems: Challenges for waste refinery and food production processes
2017, Progress in Aerospace SciencesCitation Excerpt :Urea (CO(NH2)2), which contains more than 90% of the nitrogen in fresh urine [18], can be ammonified by the widespread enzyme urease or by urea amidolyase [19]. In several concepts of the BLSS, microbial hydrolysis of organic waste occurs in a dedicated aerobic [8,20–23] or anaerobic [24–26] bioreactor. Besides hydrolysis of organic compounds, biological ammonification and the release of other nutrients from the organic matrix is established with the help of microorganisms.
The regulation of CO<inf>2</inf> levels in a BLSS by controlling the solid waste treatment unit
2016, Ecological EngineeringCitation Excerpt :One important way of recycling solid waste in current BLSS is using microbial fermentation to convert solid waste into soil-like substrate (SLS) which is suitable for plants to grow. It could not only transfer N, P and S, etc. from solid waste to the nutrients for plants, but also release CO2 for plants growth (Trotman et al., 1996, 1997; Strayer et al., 1997; Mackowiak et al., 1996). Therefore, it might be possible to construct a solid waste treatment unit using aerobic fermentation to balance the CO2 and O2 concentrations in BLSS, under relatively controllable and mild reaction conditions.
Mathematical modeling, design and optimization of conceptual configuration of soil-like substrate bioreactor based on system dynamics and digital simulation
2013, Ecological EngineeringCitation Excerpt :There are currently several methods employed to deal with inedible plant biomasses. For example, incineration was utilized in order to recycle its inorganic nutrients for crop production (Bubenheim and Wignarajah, 1997); degradation through anaerobic/aerobic fermentation (Schwingel and Sager, 1996; Mackowiak et al., 1996b), acid extract (Gribovskaya et al., 1996), and enzyme conversion methods (Kohlmann et al., 1996) was also studied and applied in order to recover vitally important chemical elements and compounds. However, among the various methods employed heretofore, preparing inedible plant biomass for soil-like substrate was more remarkable.
Comparison of three soil-like substrate production techniques for a bioregenerative life support system
2010, Advances in Space ResearchTesting anti-fungal activity of a soil-like substrate for growing plants in bioregenerative life support systems
2009, Advances in Space ResearchMicrobial functions in space: Mars transit to early planetary base exploration missions
2007, Acta Astronautica