| EM对SBR工艺处理生活污水的强化作用 |
| |
| 作者单位： | |
| |
| 摘 要： | 生物强化技术对于改善现有污水处理工艺的效果具有重要作用 。实验研究以生活污水中添加有效微生物群(EM)和单以生活污水两种方式培养活性污泥，然 后分别将其引入SBR反应器，以考察EM对SBR工艺处理生活污水的强化作用。结果表明，在正 常生活污水浓度和最优工艺条件(污水pH6～8，曝气2h，静置沉淀0.5h)下，EM-SBR反应器对 污水CODcr、NH+4-N的平均去除率分别比普通SBR工艺高19.08%和23.17%；且具有较好 的稳定性。此外，EM强化的SBR工艺还具有极强的抗冲击负荷能力，当进水CODcr为2738mg．L-1时，处理3h后，出水CODcr即可达到《污水综合排放标准》的要求，去除率高于96 %，而普通SBR工艺即使处理6h也不能达标。
|
| 关 键 词： | 生物强化技术 生活污水 有效微生物群(EM) 序批式活性污 泥法(SBR) 化学需氧量(CODcr) 氨氮(NH+4-N) |
| 修稿时间： | 2000-01-10 |
The Bioaugmentation of Sequencing Batch Reactor Sludge with Effective Microorganismes (EM) for Domestic Sewage Treatment |
| |
| Authors: | Meng Fanping |
| |
| Institution: | Meng Fanping;(College of Marine Life Science,
Ocean University of Qingdao, Qingdao , 266003) |
| |
| Abstract: | Bioaugmentation plays an important role in improving was tewater treatment process. In this research, two kinds of activated sludge, cult ured by domestic sewage only and effective microorganisms (EM) + domestic sewage respectively, were added into the sequencing batch reactor (SBR) to examine the bioaugmentation of EM during domestic sewage treatment. It showed that, under t he optimal process conditions (pH6～8 of sewage, 2 hours of aeration and 0.5 hour s of settling), the average removals of CODcr and NH+4-N in sewage for EM- SBR reactor were register a increase of 19.08% and 23.17% respectively in compar ison with those for common SBR. In addition, EM-SBR also had a higher resistanc e to organic loading than common SBR. When the initial concentration of CODcr wa s 2738mg |
| |
| Keywords: | bioaugmentation domestic sewage effective microor ganisms(EM) sequencing batch reactor(SBR) chemical oxygen demand(CODcr) ammon ia-nitrogen(NH+4-N) |
| 本文献已被 万方数据 等数据库收录！ |
