对现有RO膜循环系统与结构优化方向的综述

Summarize of the circulate system and optimization direction of reverse osmosis membrane

首先概述了目前市面上常用的四种滤膜,简要阐述主要包括其过滤精度、基本原理及主要材料构成等,由这几个方面反映出RO反渗透膜降级回收再利用的可行性与优势,并随之举出目前世界对此做出的相应实验研究。后部分着重叙述反渗透膜自问世以来便存在的原理、特点,以及如何尽量提升废弃膜的利用效率和降低对环境的污染,并对海水反渗透脱盐技术设计的主要创新和未来趋势进行了全面综述。以提高该技术的工艺性能和效率,实现高产、经济、绿色,其中特别关注可再生膜、膜的降级利用等,根据其现存的缺陷进行一定的优化,并对优化后的新型反渗透膜所具备的特点与优势进行简要介绍。

This article firstly give a brief overview of the four kinds of commonly used filter membrane,together with some descriptions mainly including its filtration accuracy,basic principles and material compositions,form these aspects to explain the reverse osmosis(RO)membrane degradation recycling feasibility and advantages,and then cite some corresponding experimental research around the world.The latter part of the article focuses on the principle and characteristics of reverse osmosis membrane since its inception,and how to minimize the utilization efficiency of waste membrane and environmental pollution,together with the main innovation and future trend of seawater reverse osmosis desalination technology design are comprehensively reviewed.All these are in order to improve the process performance and efficiency of the technology,to achieve high yield.Special attention is paid to the optimization of renewable energy according to its existing defects,and the characteristics and advantages of optimized new reverse osmosis membrane are briefly introduced.