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METHOD AND SYSTEM FOR PREPARING HYDROGEN CHLORIDE AND AMMONIA GAS BY USING AMMONIUM CHLORIDE
METHOD AND SYSTEM FOR PREPARING HYDROGEN CHLORIDE AND AMMONIA GAS BY USING AMMONIUM CHLORIDE
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机译:用氯化铵制备氯化氢和氨气的方法和制备方法
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摘要
Disclosed is a system and method for preparing hydrogen chloride and ammonia gas by using ammonium chloride. The system includes a decomposition reactor and at least one regeneration reactor, or includes a reactor that may serve as the decomposition reactor and the regeneration reactor; ammonium chloride in particle form is continuously added to the decomposition reactor via a solid particle feed apparatus, and reacts with molten-state ammonium hydrogen sulfate to generate hydrogen chloride gas and an intermediate material; the intermediate material is discharged to the regeneration reactor, and heated therein to decompose into ammonium hydrogen sulfate and ammonia gas; and the ammonium hydrogen sulfate is returned to the decomposition reactor for recycling. The present disclosure provides an industrial feasible implementation solution for continuous decomposition of ammonium chloride, lowers volatilization of ammonium chloride by continuously and slowly adding ammonium chloride in particle form, and improves utilization rate of the ammonium chloride.
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