【摘要】 当前,人们对新鲜淡水需求越来越大,而实际淡水资源却严重不足,势必需要开发利用其他的水资源。尤其在一些干旱自然条件的地区,水的缺乏日益成为制约整个农业、经济发展的瓶颈。而海水资源的取之不尽使得海水脱盐淡化处理成为最具发展前景的方法。但是,海水中通常含有浓度较高的盐份,给淡化处理带来了很大的困难:不仅成本昂贵,而且浪费能源。更多还原

【Abstract】 Currently, for the short of fresh water, it needs to develop and make use of other water resources to meet the people’s large demand. So desalination of abundant sea water becomes the most prospect method as obtaining fresh water. But high concentration salt brings big trouble to desalination. This paper mainly introduced the desalination technologies such as RO, MSF, MED and composite treatment technology.更多还原