Potential of ceramic microfiltration and ultrafiltration membranes for the treatment of gray water for an effective reuse

被引：14

作者：

Bhattacharya, Priyankari ^{[1
]}

Sarkar, Sandeep ^{[1
]}

Ghosh, Sourja ^{[1
]}

Majumdar, Swachchha ^{[1
]}

Mukhopadhyay, Aniruddha ^{[2
]}

Bandyopadhyay, Sibdas ^{[1
]}

机构：

[1] CSIR Cent Glass & Ceram Res Inst, Ceram Membrane Div, Kolkata 700032, India

[2] Univ Calcutta, Dept Environm Sci, Kolkata 700019, India

来源：

DESALINATION AND WATER TREATMENT | 2013年 / 51卷 / 22-24期

关键词：

Ceramic membrane; Microfiltration; Ultrafiltration; Gray water; Reuse; Chrysalidocarpus lutescens; WASTE-WATER;

D O I：

10.1080/19443994.2013.770198

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Gray water may serve as a water resource for agricultural uses due to their high nutrient content. In this study performance evaluation of indigenously developed low-cost ceramic membrane was investigated for treatment and reuse of high organic loaded gray water. The efficiency of microfiltration (MF) and ultrafiltration (UF) process was studied individually and as a two-stage treatment involving MF followed by UF. Effect of time was observed on reduction of chemical oxygen demand (COD) in the permeate stream and permeate flux in different processes. Depending on the variation in feed loading, about 73-90% COD reduction was achieved in the single-stage UF at 30min of filtration with operating pressure of 2bar, which was about 84-94% for two-stage treatment. Permeate quality in terms of organic loading, oil and grease and coliform concentration were found suitable according to the discharge norms for agricultural reuse of water. The effect of untreated, MF- and-UF treated wastewater was observed on a popular palm species, Chrysalidocarpus lutescens H. Wendl. The study showed significant potential for use of the MF- and-UF treated water which facilitated an enhanced uptake of most of the essential nutrients in plants compared with that of fresh water.

引用

页码：4323 / 4332

页数：10

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