Optimum Amount of Addition of the Polymer Flocculant in Papermaking Wastewater Treatment

被引：0
|
作者：
Jin, Hailan [1 ]
Cho, Junhyung [2 ]
Okayama, Takayuki [3 ]
Li, Jian [1 ]
机构：
[1] Northeast Forestry Univ, Minist Educ, Key Lab Biobased Mat Sci & Technol, Harbin 150040, Peoples R China
[2] Kangwon Natl Univ, Coll Forestry Environm Sci, Dept Paper Sci, Chunchon Si 200701, South Korea
[3] Tokyo Univ Agr & Technol, Grad Sch Agr, Fuchu, Tokyo 1838509, Japan
来源：
SEN-I GAKKAISHI | 2014年 / 70卷 / 05期
关键词：
D O I：
10.2115/fiber.70.96
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
In this study, the effect of polymer flocculants (anionic polyacrylamide and cationic polyacrylamide) on sludge dewatering and floc strength was evaluated. The dual polymer system was preferred in terms of sludge dewatering and floc strength. The optimum dosage of the dual polymer system was 100-150ppm. Also, the combined use of two polymers was superior to the single polymer system in terms of COD removal. Compared with the single polymer system, the use of the dual polymer system resulted in further increase in COD removal by 15-20%. In the case of single polymer system, cationic polyacrylamide was better than anionic polyacrylamide. Charge density approached positive with the increased addition of the cationic polymer.
引用
收藏
页码：96 / 99
页数：4
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