Online ISSN : 1884-6440
Print ISSN : 0385-1036
ISSN-L : 0385-1036
総説
無機系逆浸透膜の現状と可能性
野村 幹弘 池田 歩竹内 淳登
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ジャーナル オープンアクセス

2017 年 42 巻 4 号 p. 115-120

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Reverse osmosis (RO) separation is an effective separation method. RO membranes have been developing as polymeric membranes. The main application of the polymeric RO membranes is seawater desalination. However, the polymeric RO membranes hardly applied to the tough conditions such as high temperature, organic solution and acid or base conditions. Inorganic related materials (zeolites, amorphous silica, clay, metal organic framework etc.) are stable under such tough conditions compared with polymers. These materials have been developing as RO membrane materials. The first inorganic RO membrane was LTA zeolite RO membrane that have been reported at 2000. In this review, the recent developments of inorganic related RO membranes were summarized. The RO performances of NaCl solution through the inorganic related membranes were discussed, and the development of the amorphous silica membranes prepared by using a counter diffusion CVD method were also summarized.

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