Electrochemical-Osmotic Process for Simultaneous Recovery of Electric Energy, Water, and Metals from Wastewater

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 中国科学院饮用水科学与技术重点实验室

	Electrochemical-Osmotic Process for Simultaneous Recovery of Electric Energy, Water, and Metals from Wastewater
	Sun, Meng; Qin, Mohan; Wang, Chi; Weng, Guoming; Huo, Mingxin; Taylor, Andre D.; Qu, Jiuhui; Elimelech, Menachem
刊名	ENVIRONMENTAL SCIENCE & TECHNOLOGY
	2020-07-07
卷号	54 期号:13 页码:8430-8442
ISSN号	0013-936X
英文摘要	A highly-efficient, autonomous electrochemical-osmotic system (EOS) is developed for simultaneous recovery of electric energy, water, and metals from wastewater. We demonstrate that the system can generate a maximum electric power density of 10.5 W m(-2) using a spontaneous Fe/Cu2+ galvanic cell, while simultaneously achieving copper recovery from wastewater. With an osmotic pressure difference generated by the deployed electrochemical reactions, water is osmotically extracted from the feed solution with the EOS at a water flux of 5.1 L m(-2) h(-1). A scaled-up EOS realizes a power density of 105.8 W per m(-3) of treated water to light an LED over 24 h while also enhancing water extraction and metal recovery. The modularized EOS obtains ultrahigh (>97.5%) Faradaic efficiencies under variable operating conditions, showing excellent system stability. The EOS is also versatile: it can recover Au, Ag, and Hg from wastewaters with simultaneous electricity and water coproduction. Our study demonstrates a promising pathway for realizing multi-resource recycling from wastewater by coupling electrochemical and osmosis-driven processes.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/45282]
专题	生态环境研究中心_中国科学院饮用水科学与技术重点实验室
推荐引用方式 GB/T 7714	Sun, Meng,Qin, Mohan,Wang, Chi,et al. Electrochemical-Osmotic Process for Simultaneous Recovery of Electric Energy, Water, and Metals from Wastewater[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2020,54(13):8430-8442.
APA	Sun, Meng.,Qin, Mohan.,Wang, Chi.,Weng, Guoming.,Huo, Mingxin.,...&Elimelech, Menachem.(2020).Electrochemical-Osmotic Process for Simultaneous Recovery of Electric Energy, Water, and Metals from Wastewater.ENVIRONMENTAL SCIENCE & TECHNOLOGY,54(13),8430-8442.
MLA	Sun, Meng,et al."Electrochemical-Osmotic Process for Simultaneous Recovery of Electric Energy, Water, and Metals from Wastewater".ENVIRONMENTAL SCIENCE & TECHNOLOGY 54.13(2020):8430-8442.