| 利用原生动物削减剩余活性污泥产量 |
| |
| 引用本文： | 翟小蔚,潘涛,W.Ghyoot,W.Verstraete. 利用原生动物削减剩余活性污泥产量[J]. 中国给水排水, 2000, 16(11): 6-9 |
| |
| 作者姓名： | 翟小蔚 潘涛 W.Ghyoot W.Verstraete |
| |
| 作者单位： | 1. 北京市环境保护科学研究院, 北京 100037
2. 比利时根特大学微生态实验室比利时根特大学微生态实验室 |
| |
| 摘 要： | 采用两段式膜生物反应器作为原生动物哺育系统，培养富含原生动物的污泥，然后将其定期接种于普通活性污泥中，利用原生动物对细菌的捕食原理，达到削减剩余污泥量的目的。污泥削减试验中采用了半连续流普通活性污泥系统，通过对比试验，发现接种原生动物以后，污泥产率由０．０２ｋｇ泥／ｋｇＣＯＤ减小至－０．４７ｋｇ泥／ｋｇＣＯＤ，同时污泥絮凝沉降性能得到改善，系统的ＣＯＤ去除率、硝化率得到提高，出水悬浮物浓度得以降低
|
| 关 键 词： | 原生动物 剩余污泥产量 削减 活性污泥法 |
| 文章编号： | 1000-4602(2000)11-0006-04 |
| 修稿时间： | 2000-05-17 |
Study on Reducing Excess Sludge Production by Using Protozoa in Activated Sludge System |
| |
| W.Ghyoot,W.Verstraete. Study on Reducing Excess Sludge Production by Using Protozoa in Activated Sludge System[J]. China Water & Wastewater, 2000, 16(11): 6-9 |
| |
| Authors: | W.Ghyoot W.Verstraete |
| |
| Abstract: | In this study, two-stage membrane bioreactor (TMBR) was used to produce bio-sludge rich in protozoa. The bio-sludge was then introduced into conventional activated sludge each day to study the efficiency of reducing excess sludge via bacteria predation by protozoa. In order to find out the difference due to inoculation, comparative tests using semi-continuous activated sludge system were carried out under the same condition. The net biomass yield in test reactor reduced from 0.02 kg sludge/ kgCOD removal to -0.47 kg sludge/kgCOD removal as compared with that in control reactor which was not fed by protozoa rich sludge, The flocculation and sedimentation characteristics of sludge, COD removal efficiency, nitrification efficiency and SS in effluent were improved as well. |
| |
| Keywords: | protozoa excess sludge production reduce activated sludge process |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
