基于UASB-缺氧好氧-混凝沉淀工艺处理印染废水的中试研究

赵健忠; 刘峰; 王学华; 李蕾; 王浩

doi:10.12030/j.cjee.201511079

环境工程学报

基于UASB-缺氧好氧-混凝沉淀工艺处理印染废水的中试研究

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赵健忠, 刘峰, 王学华, 李蕾, 王浩. 基于UASB-缺氧好氧-混凝沉淀工艺处理印染废水的中试研究[J]. 环境工程学报, 2017, 11(3): 1515-1524. doi: 10.12030/j.cjee.201511079

引用本文:

ZHAO Jianzhong, LIU Feng, WANG Xuehua, LI Lei, WANG Hao. Pilot-scale study on treatment of dyeing wastewater based on a process combining UASB,anoxic-aerobic and coagulation-sedimentation[J]. Chinese Journal of Environmental Engineering, 2017, 11(3): 1515-1524. doi: 10.12030/j.cjee.201511079

Citation:

ZHAO Jianzhong, LIU Feng, WANG Xuehua, LI Lei, WANG Hao. Pilot-scale study on treatment of dyeing wastewater based on a process combining UASB,anoxic-aerobic and coagulation-sedimentation[J]. Chinese Journal of Environmental Engineering, 2017, 11(3): 1515-1524. doi: 10.12030/j.cjee.201511079

基于UASB-缺氧好氧-混凝沉淀工艺处理印染废水的中试研究

1.
苏州科大环保工程有限公司, 苏州 215011
2.
苏州科技学院环境科学与工程学院, 苏州 215009
基金项目:
江苏省环保科研课题项目（2013016）
中图分类号: X703

Pilot-scale study on treatment of dyeing wastewater based on a process combining UASB,anoxic-aerobic and coagulation-sedimentation

1.
Suzhou Keda Environmental Engineering Co. Ltd., Suzhou 215011, China
2.
School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
Fund Project:

摘要: 采用UASB-缺氧好氧-混凝沉淀组合工艺处理以印染纯棉纤维、涤纶、腈纶和棉混纺织物为主的综合性印染废水。结果表明，控制UASB反应器水力负荷为0.4 m3·（m2·h）-1（冬季反应器温度低于15℃时降至0.3 m3·（m2·h）-1）、UASB进水pH=7.0~8.0、活性污泥A反应器DO=0.5~0.8 mg·L-1、B反应器DO=0.2 mg·L-1、接触氧化反应器采用渐减曝气且气水比12：1、混凝剂PAC（配制浓度10%）和PAM（配制浓度0.1%）投加1.2 mL·L-1和0.9 mL·L-1、絮凝30 min，可以实现COD、色度、氮和硫化物的同步去除，出水指标达到并优于《纺织染整工业水污染物排放标准》（GB 4287-2012）表2的直接排放标准，处理效果好。同时，工艺直接运行成本仅为0.624元·m-3废水，普遍低于同类印染废水处理工程。
- 印染废水 /
- 组合工艺 /
- 运行参数优化 /
- 低运行成本
Abstract: A pilot process combining UASB,anoxic-aerobic and coagulation-sedimentation was used to treat the comprehensive dyeing wastewater,mainly from the dyeing of cotton,polyester,acrylic and cotton blended fabrics. The results showed that the synchronous removal of COD,chroma,nitrogen and sulfide was achieved,while the effluent indices met and transcended the direct discharge standards of water pollutants for the dyeing and textile finishing industry (GB 4287-2012),when the hydraulic loading of UASB was 0.4 m3·(m2·h)-1 (0.3 m3·(m2·h)-1 when the temperature of the reactor was lower than 15℃ in winter),the effluent pH of UASB was from 7.0 to 8.0, the dissolved oxygen of A and B stages of anoxic activated sludge reactor were from 0.5 to 0.8 mg·L-1 and 0.2 mg·L-1,respectively,the aeration mode was decrescent and the air-water ratio was 12:1 in the contact oxidation reactor,the dosing amount of PAC (compound concentration of 10%)and PAM (compound concentration of 0.1%)were 1.2 mL·L-1 and 0.9 mL·L-1, respectively,and the flocculating time was 30 min. This process was not only effective,but the direct-running cost of process was also only 0.624 yuan per ton of wastewater,under optimum conditions,which was generally lower than other comparable dyeing wastewater treatment projects.
- dyeing wastewater /
- process combination /
- running parameters optimization /
- low operating cost

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Citation:

ZHAO Jianzhong, LIU Feng, WANG Xuehua, LI Lei, WANG Hao. Pilot-scale study on treatment of dyeing wastewater based on a process combining UASB,anoxic-aerobic and coagulation-sedimentation[J]. Chinese Journal of Environmental Engineering, 2017, 11(3): 1515-1524. doi: 10.12030/j.cjee.201511079

基于UASB-缺氧好氧-混凝沉淀工艺处理印染废水的中试研究

1. 苏州科大环保工程有限公司, 苏州 215011
2. 苏州科技学院环境科学与工程学院, 苏州 215009

收稿日期: 2015-12-08

基金项目:

江苏省环保科研课题项目（2013016）

关键词:

摘要: 采用UASB-缺氧好氧-混凝沉淀组合工艺处理以印染纯棉纤维、涤纶、腈纶和棉混纺织物为主的综合性印染废水。结果表明，控制UASB反应器水力负荷为0.4 m3·（m2·h）-1（冬季反应器温度低于15℃时降至0.3 m3·（m2·h）-1）、UASB进水pH=7.0~8.0、活性污泥A反应器DO=0.5~0.8 mg·L-1、B反应器DO=0.2 mg·L-1、接触氧化反应器采用渐减曝气且气水比12：1、混凝剂PAC（配制浓度10%）和PAM（配制浓度0.1%）投加1.2 mL·L-1和0.9 mL·L-1、絮凝30 min，可以实现COD、色度、氮和硫化物的同步去除，出水指标达到并优于《纺织染整工业水污染物排放标准》（GB 4287-2012）表2的直接排放标准，处理效果好。同时，工艺直接运行成本仅为0.624元·m-3废水，普遍低于同类印染废水处理工程。

English Abstract

Pilot-scale study on treatment of dyeing wastewater based on a process combining UASB,anoxic-aerobic and coagulation-sedimentation

1. Suzhou Keda Environmental Engineering Co. Ltd., Suzhou 215011, China
2. School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China

Received Date: 2015-12-08

Fund Project:

Keywords:

Abstract: A pilot process combining UASB,anoxic-aerobic and coagulation-sedimentation was used to treat the comprehensive dyeing wastewater,mainly from the dyeing of cotton,polyester,acrylic and cotton blended fabrics. The results showed that the synchronous removal of COD,chroma,nitrogen and sulfide was achieved,while the effluent indices met and transcended the direct discharge standards of water pollutants for the dyeing and textile finishing industry (GB 4287-2012),when the hydraulic loading of UASB was 0.4 m3·(m2·h)-1 (0.3 m3·(m2·h)-1 when the temperature of the reactor was lower than 15℃ in winter),the effluent pH of UASB was from 7.0 to 8.0, the dissolved oxygen of A and B stages of anoxic activated sludge reactor were from 0.5 to 0.8 mg·L-1 and 0.2 mg·L-1,respectively,the aeration mode was decrescent and the air-water ratio was 12:1 in the contact oxidation reactor,the dosing amount of PAC (compound concentration of 10%)and PAM (compound concentration of 0.1%)were 1.2 mL·L-1 and 0.9 mL·L-1, respectively,and the flocculating time was 30 min. This process was not only effective,but the direct-running cost of process was also only 0.624 yuan per ton of wastewater,under optimum conditions,which was generally lower than other comparable dyeing wastewater treatment projects.

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基于UASB-缺氧好氧-混凝沉淀工艺处理印染废水的中试研究

Pilot-scale study on treatment of dyeing wastewater based on a process combining UASB,anoxic-aerobic and coagulation-sedimentation

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基于UASB-缺氧好氧-混凝沉淀工艺处理印染废水的中试研究

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Pilot-scale study on treatment of dyeing wastewater based on a process combining UASB,anoxic-aerobic and coagulation-sedimentation

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