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METHOD TO PRODUCE SODIUM CITRATE USING ELECTRODIALYSIS
METHOD TO PRODUCE SODIUM CITRATE USING ELECTRODIALYSIS
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机译:电渗析法生产柠檬酸钠的方法
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摘要
The present invention relates to a method and an apparatus of electodialytically treating an acid such as citric acid to produce a desired salt of the anion of the acid, such as sodium citrate. A cation can be introduced into a solution via a cheap donor salt solution such as NaCl or KCl, without significantly altering or degrading the purity of the final product. The apparatus comprises a three-compartment cell, which comprises at least two adjacent anion selective membranes to accomplish a cation substitution reaction exploiting the differential selectivities of the adjacent anion membranes employed.
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