Patent
Process of extracting iodine from dilute phosphoric acid produced in iodine-containing phosphate ore production
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The process of extracting iodine from dilute phosphoric acid produced in iodine-containing phosphate ore production includes adding hydrogen peroxide solution as oxidant into the reaction, blowing out molecular iodine with hot air, absorbing with alkaline solution of sodium sulfite, and adding potassium hypochlorite to separate out iodine as mentioned in this paper.Abstract:
The process of extracting iodine from dilute phosphoric acid produced in iodine-containing phosphate ore production includes adding hydrogen peroxide solution as oxidant into phosphoric acid for reaction, blowing out molecular iodine with hot air, absorbing with alkaline solution of sodium sulfite, and adding potassium hypochlorite to separate out iodine. Compared with available technology, the present invention is convenient and safe, and can change waste into useful iodine product to reduce environmental pollution.read more
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