工业园区废水好氧颗粒污泥的培养
修回日期: 2009-11-02
网络出版日期: 2010-10-01
基金资助
国家自然科学基金项目(50878195);浙江省重点科技计划项目(2008C23083)
Cultivation of aerobic granular sludge with the wastewater from industrial park
Revised date: 2009-11-02
Online published: 2010-10-01
周延年, 韦甦, 姚新卫, 黄国贤, 沈俊贇, 贾利明, 李军 . 工业园区废水好氧颗粒污泥的培养[J]. 工业水处理, 2010 , 30(5) : 30 -32 . DOI: 10.11894/1005-829x.2010.30.(05).30
Aerobic granular sludge has been used as raw water to cultivate aerobic granular sludge in a sequencing batch reactor (SBR). The results show that aerobic sludge granulation can be achieved with the wastewater from Yancang Industrial Park. The aerobic granules are dense,but irregular in shape. After running for 70 d,the SVI10 of the sludge in the reactor reaches 26 mL/g and the aerobic granulation in reactor is 80%,respectively. The diameter of granules are mainly between 0.3~0.5 mm. After the sludge becomes matured,the average removal rates of COD and chroma by using the aerobic granular sludge in the reactor are 73%~80% and 90%~95%, respectively. The effluent quality (COD and chroma) from the granular sludge SBR is better than that from the wastewater treatment plant.
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