Comparative study of anion polyacrylamide (APAM) adsorption-related fouling of a PVDF UF membrane and a modified PVDF UF membrane

被引：32

作者：

Yi, X. S. ^{[1
]}

Shi, W. X. ^{[1
]}

Yu, S. L. ^{[1
,2
]}

Sun, N. ^{[1
,3
]}

Jin, L. M. ^{[1
]}

Wang, S. ^{[1
]}

Zhang, B. ^{[1
]}

Ma, C. ^{[1
]}

Sun, L. P. ^{[4
]}

机构：

[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China

[2] Tongji Univ, State Key Lab Pollut Control & Resources Reuse, Shanghai 200092, Peoples R China

[3] NE Agr Univ, Sch Water Conservancy & Architecture, Harbin 150030, Peoples R China

[4] Tianjin Inst Urban Construct, Tianjin Key Lab Aquat Sci & Technol, Tianjin 300384, Peoples R China

来源：

DESALINATION | 2012年 / 286卷

基金：

美国国家科学基金会; 国家高技术研究发展计划(863计划);

关键词：

Adsorption mechanism; Anion polyacrylamide; PVDF UF membrane; ATR-FTIR; WASTE-WATER; FLUX DECLINE; OIL; FLOCCULATION; POLYMER; ULTRAFILTRATION; BEHAVIOR; REMOVAL; POLYELECTROLYTES; PERFORMANCE;

D O I：

10.1016/j.desal.2011.11.032

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The high-molecular-weight anionic polyacrylamide (6880 kDa) adsorption related fouling of a virgin PVDF membrane (OM) and a modified PVDF membrane (MM) were investigated via analysis of particle size distribution, structure of membranes, influencing factors, SEM, and ATR-FTIR. The purpose of this paper is to better understand the mass transport characteristics in the adsorption system of APAM and two kinds of membranes. The adsorption of this kind of anionic polyacrylamide conformed to the Langmuir-Freundlich model, and the fitting R-2 values were 0.9657, 0.9720 for OM and MM, respectively. The donation rate caused by static adsorption on the membrane fouling was not very big, and the relative flux (RF) of OM and MM was about 0.89 and 0.72, respectively. SEM and ATR-FTIR evidence was found to suggest that this APAM-membrane adsorption was mainly driven by micro-porous structure, while nano-particles could be another important factor for its physical and chemical interactions. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：254 / 262

页数：9

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