Method for crystallizing L-cysteine muriate high-purity crystal
A technology of cystine hydrochloride and cysteine, which is applied in the field of crystallization to obtain high-purity crystals of L-cysteine
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Embodiment 1
[0013] Use hydrochloric acid and pure water to prepare 1.6 tons of hydrochloric acid solution with a concentration of 2.0N, put in 350 kg of L-cystine, add activated carbon according to 1% of the total weight after the dissolution is completed, stir for 40 minutes to decolorize, filter, and pump the filtrate into the cathode tank for Cyclic electrolysis.
[0014] The electrolysis conditions are: the voltage is 36V, the equivalent concentration of the anolyte is controlled at 2.5N, and the electrolysis time is about 16 hours.
[0015] project
Embodiment 2
[0017] Prepare 1.6 tons of hydrochloric acid solution with a concentration of 2.3N with hydrochloric acid and pure water, add 350 kg of L-cystine, add activated carbon according to 1% of the total weight after the dissolution is completed, stir for 40 minutes to decolorize, filter, and pump the filtrate into the cathode tank for Cyclic electrolysis.
[0018] The electrolysis conditions are: the voltage is 36V, the equivalent concentration of the anolyte is controlled at 3.0N, and the electrolysis time is about 16 hours.
[0019] project
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