Enhancement of Oily Wastewater Treatment by Ceramic Microfiltration Membranes using Powder Activated Carbon

被引：32
|
作者：
Abbasi, Mohsen [2 ]
Sebzari, Mohammad Reza [3 ]
Mohammadi, Toraj [1 ]
机构：
[1] Islamic Azad Univ, S Tehran Branch, Dept Chem Engn, Tehran, Iran
[2] Islamic Azad Univ, E Tehran Branch, Fac Sci, Dept Appl Chem, Tehran, Iran
[3] Iran Univ Sci & Technol, Res Ctr Membrane Separat Proc, Fac Chem Engn, Tehran, Iran
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2011年 / 34卷 / 08期
关键词：
Ceramic membranes; Hybrid processes; Microfiltration; Oily wastewaters; PAC;
D O I：
10.1002/ceat.201100108
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Results of a hybrid microfiltration-powdered activated carbon (MF-PAC) system for the treatment of synthetic oily wastewaters with mullite and mullite-alumina (50% alumina content) ceramic membranes are presented. The experiments were conducted to determine the effects of the presence of PAC on MF process performance in terms of flux decline, membrane fouling, and total organic carbon (TOC) rejection. The experimental results demonstrate that PAC addition at low concentration (200-400 ppm) increases permeate flux by 19.6% for mullite and 61 % for mullite-alumina MF membranes. However, high PAC concentration (1200 ppm) decreases the permeate flux by 22 % for mullite and 25 % for mullite-alumina MF membranes. Also, TOG rejection increases from 93.8 to 97.4% for mullite and from 89.6 to 92.4% for mullite-alumina MF membranes.
引用
收藏
页码：1252 / 1258
页数：7
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