| A/O-混凝沉淀工艺处理酚、氰废水工程实例研究 |
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| 引用本文： | 张晓辉,皮科武.A/O-混凝沉淀工艺处理酚、氰废水工程实例研究[J].环境科学与管理,2009,34(11):76-78. |
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| 作者姓名： | 张晓辉 皮科武 |
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| 作者单位： | 1. 北京电子科技职业学院,生物系,北京,100029
2. 湖北工业大学,化学与环境工程学院,湖北,武汉,430068 |
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| 基金项目： | 北京电子科技职业学院自然科学基金，北京市职业院校教师素质提高工程项目 |
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| 摘 要： | 采用后继混凝沉淀的A/O工艺对含酚、氰的焦化废水进行了处理,运行结果表明：当A段停留时间为7h,DO低于0.3 mg/L;O段停留时间为7 h,DO为3.5 mg/L;絮凝阶段聚合氯化铝铁（PACF）投加量为1012.3mg/L,聚丙烯酰氨（PAM）投加量为4.2 mg/L,絮凝沉降时间为1.5 h时,废水中酚含量从288-680 mg/L降至1.0 mg/L以下,氰化物含量从0.73-11.3 mg/L降至0.5 mg/L,达到了《污水综合排放标准》（GB8978-1996）的二级排放标准。
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| 关 键 词： | 焦化废水 A/O 混凝 |
Study on A/O Coupled with Flocculation-Sedimentation Process for Phenol and Cyanide Wastewater Treatment |
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| Zhang Xiaohui,Pi Kewu.Study on A/O Coupled with Flocculation-Sedimentation Process for Phenol and Cyanide Wastewater Treatment[J].Environmental Science and Management,2009,34(11):76-78. |
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| Authors: | Zhang Xiaohui Pi Kewu |
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| Institution: | Zhang Xiaohui1,Pi Kewu2(1.Department of Biotechnology,Beijing Vocational College of Electronic Science,Beijing 100029,China,2.School of Chemical , Environmental Engineering,Hubei University of Technology,Wuhan 430068,China) |
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| Abstract: | Aerobic/anoxic(A/O)process followed by flocculation-sedimentation was used to treat coking wastewater containing high-concentration of phenol and cyanide.The practical running data indicated that the DO in section A was less than 0.3mg/L and the DO in section O was 3.5 mg/L when the HRT was 7 h.The phenol decreased to 1.0 mg/L from 288~680 mg/L,cyanide decreased to 0.5 mg/L from 0.73~11.3 mg/L when dosage of PAC and PAM was 1012.3 mg/L and 4.2 mg/L respectively,and flocculation-sedimentation time was 1.5 h.... |
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| Keywords: | A/O |
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