Fouling characteristics of humic substances on tight polysulfone-based ultrafiltration membrane

被引：13

作者：

Ariono, Danu ^{[1
]}

Aryanti, Putu T. P. ^{[2
]}

Wardani, Anita K. ^{[1
]}

Wenten, I. G. ^{[1
]}

机构：

[1] Inst Teknol Bandung, Chem Engn Dept, Jl Ganesa 10, Bandung 40132, Indonesia

[2] Univ Jenderal Achmad Yani, Chem Engn Dept, Jl Terusan Jendral Sudirman, Cimahi 40285, Indonesia

来源：

MEMBRANE WATER TREATMENT | 2018年 / 9卷 / 05期

关键词：

fouling mechanism; humic substances; polysulfone membrane; peat water filtration; tight ultrafiltration; NATURAL ORGANIC-MATTER; CROSS-FLOW MICROFILTRATION; FLUX DECLINE; MOLECULAR-WEIGHT; BLOCKING MODELS; REVERSE-OSMOSIS; PORE-SIZE; PERFORMANCE; MECHANISMS; FILTRATION;

D O I：

10.12989/mwt.2018.9.5.353

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Fouling characteristics of humic substances on tight ultrafiltration (UF) membrane have been investigated. The tight UF membrane was prepared by blending polysulfone (PSI) in N.N-dimethylacetamide (DMAc) with 25%wt of Polyethylene glycol (PEG400) and 4%wt of acetone. Fouling characteristic of the modified PSf membrane was observed during peat water filtration in different trans-membrane pressure (TMP). It was found that the acetone modified membrane provided 13% increase in TMP during five hours of peat water filtration, where a stable flux was reached within 150 minutes. Meanwhile, the increase of TMP from 10 psig to 30 psig resulted in a fouling resistance enhancement of 60%. Furthermore, based on the fouling analysis, fouling mechanism at the first phase of filtration was attributed to intermediate blocking while the second phase was cake formation.

引用

页码：353 / 361

页数：9

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