A Study on Rapid Dewatering Method of Sludge

被引：1

作者：

Xie, Qingwen ^{[1
]}

Huang, Xinying ^{[1
]}

Huang, Haiyu ^{[2
]}

Zhang, Xu ^{[1
]}

Zhong, Jiamei ^{[1
]}

机构：

[1] Guangzhou Newearth Environm Protect Ind Co Ltd, Guangzhou 510380, Guangdong, Peoples R China

[2] Guangzhou Water Principle Environm Remediat Co Lt, Guangzhou 510380, Guangdong, Peoples R China

来源：

ADVANCES IN ENERGY SCIENCE AND ENVIRONMENT ENGINEERING III | 2019年 / 2106卷

关键词：

D O I：

10.1063/1.5109342

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The rapid dewatering process of wastewater sludge was studied. The effects of two different thickening methods on subsequent conditioning and pressing were compared: gravity thickening and mechanical concentration. The study also investigated the optimal type and the concentration of flocculant added by sludge concentration, which was 0.2%. In terms of mechanical concentration method, under the same formulation of conditioner, the addition of Polyacrylamide(PAM) could significantly promote the dewatering process. Compared with the gravitational sedimentation and the sludge without chemical concentration, the filtration rate and dry-base treatment efficiency of the sludge during pressing were obviously improved, and the moisture content of the sludge cake was reduced.

引用

页数：6

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