[微生物处理废物实验设施的开发]

Guo S S, Hou W H, Ai W D, Wang P X

Institute of Space Medico-Engineering, Beijing, China.

Space Med Med Eng (Beijing). 2000 Oct;13(5):341-5.

Objective. To construct an experimental facility for microorganism waste processing, which will be used to recover plant nutrient liquids from plant inedible biomass essential for growth and development of plants. Method. After technical parameters and performance requirements were defined, plan demonstration, drawing design, fabrication, debug and preliminary plant inedible residue-biodegradation tests of microorganisms were conducted. Result. The temperature, stirring speed and gas-supplying flow of bioreactor of the facility were controlled automatically, as well as the pH and dissolved oxygen concentration were measured automatically and controlled manually, testifying that its performance reached the requirements of predetermined technical indexes. The 15-d test showed that the facility ran smoothly, its above-mentioned parameters could be measured and controlled precisely, and the biodegradation rate of lettuce's inedible biomass approximately attained 90%. Conclusion. The facility holding reasonable technical indexes, smooth and dependable performances, is capable of being utilized to biodegrade plant inedible biomass. It is expected that if the above-mentioned parameter combinations are optimized further, the results should be better.

目的。构建一个用于微生物废弃物处理的实验设施，该设施将用于从植物不可食用生物质中回收对植物生长发育至关重要的植物营养液。方法。在确定技术参数和性能要求后，进行了方案论证、图纸设计、制造、调试以及微生物对植物不可食用残渣的初步生物降解试验。结果。该设施生物反应器的温度、搅拌速度和供气流量实现自动控制，pH值和溶解氧浓度自动测量并手动控制，证明其性能达到预定技术指标要求。15天的试验表明该设施运行平稳，上述参数可精确测量和控制，生菜不可食用生物质的生物降解率约达到90%。结论。该设施技术指标合理，性能平稳可靠，能够用于生物降解植物不可食用生物质。预计若进一步优化上述参数组合，效果会更佳。