摘要
以牛粪堆肥作为天然厌氧微生物菌种来源处理含蔗糖和淀粉的模拟有机废水,通过厌氧氢发酵产生生物氢气,同时使废水得到净化处理.在实验条件下,生物气中氢气浓度可达61%,产物中无甲烷气生成.以蔗糖为底物时,最佳初始pH值6.0,最大产氢能力为146mL/g;以淀粉为底物时,最佳初始pH值7.5,最大产氢能力为166mL/g,最佳底物浓度均为5g/L.模拟废水中COD去除率可达40%～60%.
The simulated organic wastewater containing sucrose and starch was treated with natural anaerobic microor-ganism bacterium from cow dung compost. The biohydrogen was produced through anaerobic hydrogen fermentation with synchronous purification of the wastewater. Under the experimental conditions, the hydrogen concentration in the biogas reached 61% without methanogenesis in the gaseous product. The maximum hydrogen productivity was 146mL/g and 166mL/g under the conditions of initial pH value of 6.0 and 7.5 and substrate of sucrose and starch respectively. The optimal concentrations of these two substrates were 5g/L. The COD removal efficiency could reach 40%~60% in the simulated wastewater.
出处
《中国环境科学》
EI
CAS
CSSCI
CSCD
北大核心
2002年第4期370-374,共5页
China Environmental Science
基金
国家自然科学基金资助项目(29871025
20171040)
河南省自然科学基金资助项目
关键词
发酵
生物制氢
天然厌氧微生物
模拟有机废水
废水处理
biological hydrogen production
natural anaerobic microorganism
simulated organic wastewater
