Hydrogen cyanide manufacturing process with second waste heat boiler

Hydrogen cyanide manufacturing process with second waste heat boiler

  • CN 105,473,502 A
  • Filed: 07/10/2014
  • Published: 04/06/2016
  • Est. Priority Date: 07/12/2013
  • Status: Active Application
First Claim
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1. , for reclaiming a method for prussic acid from rough prussic acid stream, described method comprises:

  • The described rough prussic acid comprising prussic acid and ammonia is made to flow through primary waste heat boiler to reduce the temperature of described prussic acid stream;

    The prussic acid directly making described temperature reduce flows through secondary waste heat boiler with the prussic acid stream described temperature reduced cooling, and the prussic acid stream of wherein said cooling retains in the gas phase;

    The prussic acid stream of described cooling is separated to form the logistics and the prussic acid stream that are rich in ammonia in ammonia absorber;

    AndPrussic acid is reclaimed from described prussic acid stream.

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