Modeling full-scale osmotic membrane bioreactor systems with high sludge retention and low salt concentration factor for wastewater reclamation

被引：44

作者：

Park, Sung Hyuk ^{[1
]}

Park, Beomseok ^{[2
]}

Shon, Ho Kyong ^{[3
]}

Kim, Suhan ^{[2
]}

机构：

[1] Korea Inst Ind Technol, Adv Proc & Mat R&BD Grp, Inchon, South Korea

[2] Pukyong Natl Univ, Dept Civil Engn, Busan 608737, South Korea

[3] Univ Technol Sydney, Sch Civil & Environm Engn, Broadway, NSW 2007, Australia

来源：

BIORESOURCE TECHNOLOGY | 2015年 / 190卷

关键词：

Osmotic membrane bioreactor (OMBR); Wastewater reclamation; Reverse osmosis (RO); Full-scale OMBR model; Flat-sheet module; SALINITY BUILDUP; FO MEMBRANE; OSMOSIS; ACCUMULATION; PERFORMANCE; OPERATION;

D O I：

10.1016/j.biortech.2015.03.094

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

A full-scale model was developed to find optimal design parameters for osmotic membrane bioreactor (OMBR) and reverse osmosis (RO) hybrid system for wastewater reclamation. The model simulates salt accumulation, draw solution dilution and water flux in OMBR with sludge concentrator for high retention and low salt concentration factor. The full-scale OMBR simulation results reveal that flat-sheet module with spacers exhibits slightly higher flux than hollow-fiber; forward osmosis (FO) membrane with high water permeability, low salt permeability, and low resistance to salt diffusion shows high water flux; an optimal water recovery around 50% ensures high flux and no adverse effect on microbial activity; and FO membrane cost decreases and RO energy consumption and product water concentration increases at higher DS flow rates and concentrations. The simulated FO water flux and RO energy consumption ranges from 3.03 to 13.76 LMH and 0.35 to 1.39 kWh/m(3), respectively. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：508 / 515

页数：8

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