|Table of Contents|

Study on Extraction of Extracellular Polymeric Substances(EPS)from Dyeing Wastewater Treatment Sludge with Powder Cation Exchange Resin(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2013年03期
Page:
62-66
Research Field:
Publishing date:

Info

Title:
Study on Extraction of Extracellular Polymeric Substances(EPS)from Dyeing Wastewater Treatment Sludge with Powder Cation Exchange Resin
Author(s):
Dai Ying1; Zhang Xianqiu2; Du Mingxia2; Liu Qing2; Zhang Yong2; Xu Chongzheng3
(1.School of Energy and Mechanical Engineering,Nanjing Normal University,Nanjing 210042,China) (2.School of Geography Science,Nanjing Normal University,Nanjing 210023,China) (3.Center of China Economic Research,Nanjing Normal University,Nanjing 210039,China)
Keywords:
EPS; sludge of dying waste; ion exchange resin; powder resin
PACS:
X703.1
DOI:
-
Abstract:
Cation exhange resin(CER)is widely used in the extraction of EPS,and the kind of CER mostly used is granular CER,powder CER haven’t been referred to in present researches.This study is about extracting EPS with powder CER,and mainly focuses on the effects of pH,amount of CER input,and time for ion exchange on extractions.The result shows that the growths of these variables lead to more EPS being extracted.Based on experiments,the most favorable prerequisite for extraction has been acquired which is a condition with pH value 9,40 g/g MLSS CER input and 3 hours lasted for exchange.The comparison between the effects of granular CER and powder CER on extraction is carried out under the most favorable condition mentioned before.The result confirms that powder CER can extract more EPS with less time.Therefore,using powder CER is a better method for EPS extraction.

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Last Update: 2013-09-30