Electrodialysis of multivalent metal salts
A polyvalent metal salt, electrodialysis cell technology, applied in fermentation, membrane technology, chemical instruments and methods, etc., can solve problems such as high equipment capital costs
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[0035] The recovery of KLG acid from KLG calcium in a four-compartment electrodialysis stack is illustrated as follows, wherein:
[0036] Produced as Ca(KLG) 2 The fermentation broth containing 12.7% KLG was microfiltered to remove small crystals and treated with activated carbon to remove color and contaminants. Nine 25L batches of this broth passed FuMA-Tech at pH 5.5 TM The first raw material compartment of an ED100 four-compartment laboratory electrodialysis cell equipped with a CaKLG for delivery 2 10 sets of Neosepta CMX-SB cationic and Neosepta AXE-01 anionic membranes, and 10 sets of Neosepta CMX-SB / Neosepta AXE-01 cationic and anionic membranes for HCl delivery. The metathesis pool corresponds to figure 1 pool. The unit area of the metathesis pool is 100cm per membrane 2 The active area, the gap between the membranes is 0.6mm. A constant approximately 0.4 molar aqueous solution of HCl was passed through the second compartment. Concentrated HCl was added to m...
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