A kind of reaction end gas regeneration technology

A kind of reaction end gas regeneration technology

  • CN 106,823,745 A
  • Filed: 02/22/2017
  • Published: 06/13/2017
  • Est. Priority Date: 02/22/2017
  • Status: Active Application
First Claim
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1. a kind of reaction end gas regeneration technology, it is characterised in that:

  • Absorbed including the first order, N roads intermediate absorption and nitration mixture absorb, instituteThe first order stated is absorbed and is absorbed with water or/and supplement absorbent, and after tail gas absorbs through the first order, the liquid material of generation takes offExcept SO2

    g)

    Form concentrated hydrochloric acid;

    , using water as absorbent, the recovered liquid of generation is used as supplement absorbent reuse to for intermediate absorptionFirst order absorption;

    Without HCl(

    g)

    Tail gas deliver to the nitration mixture with oxidisability in absorbed, the SO in tail gas2

    g)

    It is converted intoNitrosyl sulfuric acid, tail gas is then directly discharged.

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