| A~2/O和MBR工艺剩余污泥浓缩过程中磷释放对比 |
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| 引用本文： | 周玉红,杨威,任重远.A~2/O和MBR工艺剩余污泥浓缩过程中磷释放对比[J].广东化工,2014(5):225-225,216. |
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| 作者姓名： | 周玉红 杨威 任重远 |
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| 作者单位： | 昆山建工环境投资有限公司技术部,江苏昆山215300 |
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| 摘 要： | 通过对A2/O和MBR工艺剩余污泥浓缩过程磷释放的模拟,对比两种工艺磷释放的差别,以及是否合适采用污泥浓缩池工艺脱水,研究表明MBR工艺后期磷释放程度要比A2/O工艺高,但24 h内上清液磷浓度仍小于进水总磷浓度,所以在采用脱氮除磷工艺中也可以设计污泥浓缩池来进行污泥浓缩。
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| 关 键 词： | A/O MBR 剩余污泥 磷释放 |
Comparison of Phosphate Releasing during Sludge Concentration of A2O Process and MBR Process |
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| Affiliation: | Zhou Yuhong (Kunshan Jianbang Environmental Investment Co., Ltd., Kunshan 215300, China) |
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| Abstract: | Simulated the phosphate releasing during sludge concentration of A20 process and MBR process, and compared the difference between two process, and decided if sludge thickener process suitable for sludge dewatering. The research showed the phosphate releasing quantity was bigger in later period of MBR process than in A20 process. However the supernatant phosphate concentration was smaller than inlet water TP concentration in 24 hours. So the sludge concentration in de-nitrogen and de-phosphate process can use sludge thickener. |
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| Keywords: | anaerobic/anoxic/oxic process： membrane bio-reactor： excess activated sludge： phosphorus release |
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