Production process of high-purity solid phytic acid
A solid phytic acid, production process technology, applied in the direction of bulk chemical production, chemical instruments and methods, organic chemistry, etc., can solve the problem of easy discoloration of liquid phytic acid, and achieve less impurities, good oxidation resistance, and high purity Effect
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[0018] The present invention is specifically described below through specific embodiments and formulations, and the present invention includes, but is not limited to the following examples.
[0019] Process plan: adjust the pH value of defatted rice bran or corn meal to 3 with 6% hydrochloric acid, soak and quench for 6-8 hours, add lime milk to the filtrate to neutralize, adjust the pH value to 6~6.5 with NaOH, filter and discard the filtrate, and the filter residue is plant Calcium magnesium sodium crude product; add calcium magnesium sodium phytate crude product to 8 times the amount of water, adjust the pH value to 2.5 with hydrochloric acid solution, and wait until it is completely dissolved, add 4% activated carbon for decolorization, filtration, and sugar removal; add NaOH to the filtrate to adjust the pH value To 3-4.5, the protein is precipitated, and the protein is separated by filtration to obtain the filtrate;
[0020] The resulting filtrate is exchanged and washed...
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