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MEMBRANE AND ELECTRODIALYSIS BASED SEAWATER DESALINATION WITH SALT, BORON AND GYPSUM RECOVERY
MEMBRANE AND ELECTRODIALYSIS BASED SEAWATER DESALINATION WITH SALT, BORON AND GYPSUM RECOVERY
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机译:基于膜和电渗析的海水淡化,并进行盐,硼和石膏的回收
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摘要
A method of producing desalinated water and recovering minerals from the feedwater uses membrane separation and electrodialysis brine concentration. This process can recover all of the minerals as high purity industrial minerals, including capturing the calcium and sulfate as agricultural grade gypsum and boron as high purity boric acid. In addition the process allows the use of low cost lime or dolime to produce valuable magnesium hydroxide.
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