Concept information
Preferred term
反渗透
Definition
- 从含盐的水中获得纯水的方法，即脱盐。纯水和盐水用半渗透性的薄膜分开并且盐水的压强高于渗透压强，这使盐水中的水通过薄膜进入纯水。这个过程需要25个气压的压强，这使得这个方法很难大规模应用。
Broader concept
Belongs to group
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URI
http://www.eionet.europa.eu/gemet/concept/7204
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