正渗透汲取液类型及分离回收工艺研究进展  

DRAW SOLUTION FOR FORWARD OSMOSIS PROCESSES: TYPES,SEPARATION AND RECOVERY PROCESS

作　　者：李轻轻 马伟芳[1] 聂超[1] 严玉林[1] 

机构地区：[1]北京林业大学环境科学与工程学院,北京100083

出　　处：《环境工程》2016年第3期11-17,共7页Environmental Engineering

基　　金：北京市科技计划项目(Z141100000914009)

摘　　要：正渗透作为一种新兴的水回用和脱盐技术,能够缓解清洁水源和能源短缺现状。汲取液是限制正渗透技术发展的关键因素之一,高效的汲取液不仅能提供较大的驱动力促进正渗透过程的进行,还能使处理成本大大降低。因此需对汲取液的发展历程、现状和趋势有较全面的认识。介绍了利用正渗透产生清洁水、汲取液分离再生的相关研究,在对正渗透及汲取液简单概述后,综述了已存在的正渗透汲取液的优缺点、类型、效率和分离回收工艺。最后,提出了正渗透汲取液的发展方向和建议,以便设计研究出更适合正渗透过程的汲取液。As a new water reuse and desalination technology,forward osmosis can relieve the shortage of clean water and energy. Draw solution is one of the key factors for the development of forward osmosis. The efficient draw solution not only can provide the large driving force to promote the forward osmosis process,but also can greatly reduce the operating cost.Therefore,it is necessary to realize the development,the current situation and the trend of the draw solution. This paper introduces the method to generate clean water using of forward osmosis and the studies of separation and recovery for draw solution,summarizes draw solution＇s advantages and disadvantages,types,efficiency,separation and recovery processes.

关 键 词：正渗透 汲取液 类型 分离回收工艺 

分 类 号：TQ028.7[化学工程] P747[天文地球—海洋科学]