| 制浆造纸中段废水的混凝处理 |
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| 引用本文： | 马丽丽,解庆林,王敦球,游少鸿.制浆造纸中段废水的混凝处理[J].桂林工学院学报,2006,26(2):247-249. |
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| 作者姓名： | 马丽丽 解庆林 王敦球 游少鸿 |
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| 作者单位： | 桂林工学院,资源与环境工程系,广西,桂林,541004 |
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| 基金项目： | 广西高校百名中青年学科带头人资助计划项目(桂教人[2003]97)，广西区教育厅科研项目(桂教科研[2003]22) |
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| 摘 要： | 研究了硫酸铝、三氯化铁和聚合氯化铝3种混凝剂对制浆中段废水的处理效果.实验表明:硫酸铝、三氯化铁和聚合氯化铝的最佳混凝pH值范围为6.03~6.35,此时3种混凝剂的最佳投药量分别为300、350、250 mg/L.在最佳pH和投药量条件下,硫酸铝对该制浆中段废水CODC r、浊度、色度的去除率分别为90.8%、96.2%、90%;三氯化铁分别为90.1%、98.0%、87.5%;聚合氯化铝分别为85.4%、97.9%、93.8%.硫酸铝是处理该中段废水的最佳混凝剂.
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| 关 键 词： | 制浆造纸厂 中段废水 混凝法 |
| 文章编号： | 1006-544X(2006)02-0247-03 |
| 收稿时间： | 2005-06-27 |
| 修稿时间： | 2005年6月27日 |
Coagulation treatment of pulp middle-stage wastewater in paper mill |
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| MA Li-li,XIE Qing-lin,WANG Dun-qiu,YOU Shao-hong.Coagulation treatment of pulp middle-stage wastewater in paper mill[J].Journal of Guilin University of Technology,2006,26(2):247-249. |
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| Authors: | MA Li-li XIE Qing-lin WANG Dun-qiu YOU Shao-hong |
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| Affiliation: | Department of Resources and Environmental Engineering, Guilin University of Technology, Guilin 541004, China |
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| Abstract: | Goagulation treatment effect of Al_2(SO_4)_3,FeCl_3 and PAC to middle-stage wastewater in pulp and paper making was investigated.It is shown that the optimal pH value of Al_(2)(SO_(4))_(3),FeCl_(3) and PAC are 6.29,6.35 and 6.03.On the optimal pH value,the optimal dosages of Al_(2)(SO_(4))_(3),FeCl_(3)and PAC are 300,350 and 250 mg/L,respectively.At optimum condition,Al_(2)(SO_(4))_(3) can remove 90.8% COD_(Cr),96.2% turbidity and 90% colourity.FeCl_(3)can remove 90.1% COD_(Cr),98.0% turbidity and 87.5% colourity.PAC can remove 85.4% COD_(Cr),97.9% turbidity and 93.8% colourity,respectively.Al_2(SO_4)_3 is the best coagulant for treatment of the middle-stage wastewater. |
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| Keywords: | pulp and paper making middle-stage wastewater coagulation |
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