A new generation of reverse osmosis membrane assisted water reuse

At present, urban sewage and industrial wastewater treatment and reuse is becoming more and more be taken seriously, is the focus of the 12th five-year environmental work. 'National environmental protection' twelfth five-year 'plan' has been clear about the specific scale sewage treatment goals: in the next five years to 2015 the national new daily sewage treatment scale of 42 million tons, a basic implementation of all county and key town with the capacity of wastewater treatment. Recently, GE China r&d center and the royal chemical society jointly organized the international seminar, experts at home and abroad, a total of reusing ShangShui issues.

on the BBS, GE China r&d center of water treatment engineering team with nanjing university's national organic poison pollution control and resource engineering technology research center ( NERC） Collaborative project also caused wide public concern. Use GE's membrane technology and resin absorption of NERC technology this groundbreaking optimized combination and integration of conventional chemical precipitation, oxidation and biological treatment technology, to develop a complete electronic electroplating wastewater advanced treatment and reuse technology solutions, at the same time to carry out the engineering application and demonstration, will provide electronic electroplating wastewater treatment and reuse with technical support and application demonstration, promote the sustainable development of electronic electroplating industry.

in the choice of water treatment technology, membrane technology because of its advanced nature became the mainstream of development direction. In this international symposium, GE China r&d center recently successfully developed a new generation of low pollution reverse osmosis membrane became known as one of the hot topics. The new technology compared to common membrane pollution resistance and long service life, ordinary film after dealing with high content of pollutants of wastewater can make water rate declined obviously, and frequent cleaning will increase the cost and reduce the service life, and even some pollutants can produce effect makes the membrane and membrane lose function.

compared to common membrane, a new generation of low pollution reverse osmosis membrane can withstand high alkali and high temperature conditions. In under the condition of water quality is poor, such as iron and steel industry, in strong alkaline conditions ( pH = 12) And 35 ℃ - Under the high temperature 45 ℃, can tolerate strong chemical cleaning. In addition, a new type of low pollution reverse osmosis membrane has a smooth surface and the technical characteristics of water. Because of these features, pollutants will not stay on the membrane surface, also won't stick, thus effectively filter pollutants. It is these characteristics, a new generation of low pollution can reverse osmosis membrane in the industrial wastewater recycling, municipal sewage reuse, surface water pollution treatment and reverse osmosis can play an important role in water treatment field.