管状陶瓷膜对腐植酸和地表水的超滤

IF 1 4区工程技术 Q4 ENGINEERING, CHEMICAL

Desalination and Water Treatment Pub Date : 2013-07-23 DOI:10.1080/19443994.2013.768791

Shengji Xia, Yumin Zhou, Rui Ma, Yijun Xie, Jianwei Chen

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引用次数: 8

摘要

近年来，陶瓷膜过滤在饮用水生产中越来越受到关注。系统研究了孔径为0.01 μm的管状陶瓷膜的通量演化和滞留性能。以腐植酸(HA)溶液和地表水为进料，通过不同的跨膜压力(TMP)，在中试横流装置上进行了过滤实验。对原水和渗透液进行了总有机碳(TOC)、254 nm紫外吸光度(UV254)、荧光激发发射矩阵(EEMs)、pH和电导率等测量。在过滤过程中，由于污染，通量在开始阶段急剧下降，并进入伪稳定通量。在低HA浓度下，TMP为0.5、0.8、1.0和1.2 bar时，前30 min的通量分别下降了约36、48、50和51%，而在较高浓度下，通量分别下降了47、52、57和65%;稳定的飞行……

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Ultrafiltration of humic acid and surface water with tubular ceramic membrane

Abstract In recent years, the ceramic membrane filtration has become increasingly attractive for drinking water production. The flux evolution and retention performance of a tubular ceramic membrane with nominal pore size of 0.01 μm was systematically investigated. Filtration experiments were carried out on a pilot-scale crossflow unit using humic acid (HA) solution and surface water as feed by varying transmembrane pressure (TMP). Measurements such as total organic carbon (TOC), ultraviolet absorbance at 254 nm (UV254), fluorescence excitation emission matrices (EEMs), pH, and conductivity were made on both raw water and the permeate. During filtration, flux declined drastically in the beginning stage due to fouling and proceeded to a pseudostable flux. In the low HA concentration, the flux decreased in the first 30 min for about 36, 48, 50 and 51% with the TMP of 0.5, 0.8, 1.0, and 1.2 bar, respectively, while it came to 47, 52, 57, and 65%, respectively for relatively high concentrations; the steady fl...

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来源期刊

Desalination and Water Treatment 工程技术-工程：化工

CiteScore

2.20

自引率

9.10%

发文量

审稿时长

5.3 months

期刊介绍： The journal is dedicated to research and application of desalination technology, environment and energy considerations, integrated water management, water reuse, wastewater and related topics.