Role of two different pretreatment methods in osmotic power (salinity gradient energy) generation

被引：21

作者：

Abbasi-Garravand, Elham ^{[1
]}

Mulligan, Catherine N. ^{[1
]}

Laflamme, Claude B. ^{[2
]}

Clairet, Guillaume ^{[3
]}

机构：

[1] Concordia Univ, Dept Bldg Civil & Environm Engn, 1455 Maisonneuve Blvd W, Montreal, PQ H3G 1M8, Canada

[2] Inst Rech Hydro Quebec, Shawinigan, PQ, Canada

[3] H2O Innovat Inc, Quebec City, PQ, Canada

来源：

RENEWABLE ENERGY | 2016年 / 96卷

关键词：

Osmotic power; Renewable energy; Salinity gradient energy; Ultrafiltration; Sand filter; PRESSURE-RETARDED OSMOSIS; HOLLOW-FIBER MEMBRANES; RENEWABLE ENERGY; DRINKING-WATER; SEAWATER; PERFORMANCE; ELECTRODIALYSIS; ULTRAFILTRATION; MECHANISMS; EFFICIENCY;

D O I：

10.1016/j.renene.2016.04.031

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Pressure retarded osmosis is a membrane based technology that produces osmotic power as a sustainable energy by using salt and fresh waters. Pretreatment reduces membrane fouling as the main challenge in Pressure Retarded Osmosis (PRO). In this research, ultrafiltration and a sand filter were used for removing total organic carbon (TOC), turbidity, and hardness. In trials, efficiency and required power of the two methods were compared. Highest removal efficiency of turbidity occurred at 3.72 NTU and was 100% and 68.6% for ultrafiltration and the multimedia sand filter, respectively. Maximum TOC removal in ultrafiltration multimedia sand filter was 41% and 1.5% at 6.62 mg/L TOC initial concentration respectively. In all experiments, it was indicated that ultrafiltration had better removal efficiency and consequently more potential for osmotic power generation process improvement. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：98 / 119

页数：22

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