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Published on: April 26, 2024
[Development of a ground-based experimental facility for space waste material processing with microorganism]
Wei-dang Ai1, Shuang-sheng Guo, Xiao-xia Wang
1Institute of Space Medico-engineering, Beijing, China. aiweidang@126.com
Objective:
To develop a ground-based experimental facility for microorganism waste processing, which will be used to recover nutrient from plant inedible biomass essential for growth and development of plants.
Method:
After technical parameters and performance requirements were defined, planning demonstration, drawing design, fabrication, debug and plant inedible residue-biodegradation tests by microorganisms were conducted.
Result:
The facility worked well, and the parameters, such as energy consumption, volume and weight, met the design requirement. The water-treated quality and the ability of treating plant residual by microorganism were better than the demands. The ground-based results demonstrated that total organic carbon (TOC) degradation above 92.1%, and chemical oxygen demand (COD) reduction over 95.5% could be maintained.
Conclusion:
The facility has reasonable technical indexes, and smooth and reliable performances. Its major working principle is suitable for the demand of space conditions. It is capable of being utilized for biodegradation of plant inedible biomass in space.
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