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Municipal wastewater reclamation for non-potable use using hollow- fiber membranes
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  • Municipal wastewater reclamation for non-potable use using hollow- fiber membranes
  • Municipal wastewater reclamation for non-potable use using hollow- fiber membranes
저자명
Waghmare. Sujata,Masid. Smita,Rao. A. Prakash,Roy. Paramita,Reddy. A.V.R.,Nandy. T.,Rao. N.N.
간행물명
Membrane water treatment
권/호정보
2010년|1권 3호|pp.207-214 (8 pages)
발행정보
테크노프레스
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Approximately 80% of water used in urban areas reappears as municipal wastewater (MWW). Reclamation of MWW is an attractive proposition under the present scenario of water stressed cities in India. In this paper, we attempted to reclaim MWW using lab-scale hollow- fiber (HF) membrane modules for possible reuse in non-potable applications. Experiments were conducted to evaluate the efficiency of virgin HF ($M_1$) and modified HF ($M_2$) modules. The $M_2$ module consists of HF modified with a skin layer formed through interfacial polymerization of m-phenylenediamine with trimesoyl chloride (MPD-TMC). The molecular weight cut-off (MWCO) of $M_1$ was 44000 g/mol and that of $M_2$ 10000 -14000 g/mol on the basis of rejection of polyethylene glycol. The combination of $M_1$ and $M_2$ modules was able to reduce concentrations of most of the pollutants in sewage and improved the treated water quality to the acceptable limits for non potable reuse applications. It is found that about 98-99% of the initial flux is recovered by the backwashing process, which was approximately two times in a month when operated continuously.