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Treatment of highly concentrated phosphorus industrial wastewater
Pages: 67-70
Year: Issue:  6
Journal: Journal of Nanjing University of Technology(Natural Science Edition)

Keyword:  含P工业废水化学沉淀Fenton氧化;
Abstract: 针对高浓度含P工业废水的特点及其处理难点,研究Fenton氧化加二级化学沉淀的处理工艺.考察氧化剂、pH、沉淀剂等对除P效果的影响.实验结果表明:Fenton试剂中H2O2投加量≥0.10%且n(H2O2)/n(Fe2+)≤7.85,pH控制在5左右,沉淀剂采用亚铁盐的工艺条件下,可使原水总P质量浓度从62.0 mg/L降到0.08 mg/L,达到GB8978-1996<污水综合排放标准>中一级排放标准.
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