摘要
厌氧生化反应器初次启动时培养足量的颗粒污泥需要花费数月甚至 1年时间 ,投加高分子聚合物能够有效地促进厌氧微生物自身固定化的进程 ,聚合物性能、投加量以及投加方式对厌氧微生物的性能产生影响 .通过生物化学甲烷势 (BMP)测定原理研究了聚季铵盐的厌氧生物可降解程度 ;采用厌氧毒性测定 (ATA)方法对比了不同浓度下的聚季铵盐对厌氧污泥比产甲烷活性 (SMA)和沉降性能的影响 .结果表明 ,适量的聚季铵盐对厌氧微生物自身固定化有促进作用 ,建议采用间隔 9～ 10d的多次投加方式 ,厌氧生化反应器中聚季铵盐浓度介于 10～ 2
The initial start-up of anaerobic biochemical reactor may spend many months even a year to develop granular biomass,which is regarded as a obstacle affecting widespread application of anaerobic process.Self-immobilization of microbes in anaerobic biochemical reactor may be effectively enhanced by adding proper polymers during the period of initial start-up.The characteristics,dose and way of addition showed significant influences on the methane-generating activity, and settling performance of anaerobic micr...
基金
山西省自然科学基金资助项目(No .2 0 0 110 13 )~~
关键词
厌氧生化反应器
聚季铵盐
微生物
固定化
废水处理
high polymer
polyquatemary salt
anaerobic biochemical reactor
immobilization
granulation
start-up
