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| Treatment of Effluent from Second Sedimentation Pond of Cotton Stalk Papermaking Wastewater Treatment |
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| DOI：10.11980/j.issn.0254-508X.2011.03.007 |
| Key Words:papermaking with cotton pole step coagulation biological activated carbon |
| Fund Project:本项目获天津市教委“双五项目”支持，合同号：SW2008001。 |
| Author Name | Affiliation | | 苗 飞 | 天津科技大学,天津,300457 | | 庞金钊 | 天津科技大学,天津,300457 | | 刘 忠 | 天津科技大学,天津,300457 | | 杨宗政 | 天津科技大学,天津,300457 | | 袁青彬 | 天津科技大学,天津,300457 |
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| Abstract:The combined second coagulation cascade and flocculation and biological activated carbon process for treatment of the effluent from the second sedimentation pond of waste water treatment of cotton stalk papermaking was tested. The effluent from second pond was 50 t/d, the feasibility of the process was studied by investigating the removal of COD and chromaticity. Test coagulation cascade results showed that with optimal chemicals dosages, the removals of COD and chromaticity were 30% and 28% for coagulation treatment and 60% and 70% for coagu-floculation treatment respectively. Removals of COD and chromaticity were 50% and 70% respectively by biological activated carbon treatment. Biological activated carbon treated water can completely meet the requirement of washing even can satisfy the paper machine operation. |
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