Hydrogen sulfide is converted into the method and apparatus of hydrogen and sulphur

Hydrogen sulfide is converted into the method and apparatus of hydrogen and sulphur

  • CN 1,946,632 B
  • Filed: 02/22/2005
  • Issued: 11/25/2015
  • Est. Priority Date: 03/01/2004
  • Status: Active Grant
First Claim
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1. obtained the method for hydrogen product by feed gas, wherein feed gas is sour gas, and described sour gas comprises hydrogen sulfide and pollutent carbonic acid gas, said method comprising the steps of:

  • (a) by from comprise pollutent carbonic acid gas feed gas separate hydrogen sulfide and first time separating feed gas, thus obtain the first purifying hydrogen sulfide fraction and pollution products by feed gas, wherein the first purifying hydrogen sulfide fraction comprises the hydrogen sulfide of at least 90 volume %;

    B the hydrogen sulfide be present in the first purifying hydrogen sulfide fraction is dissociated into element hydrogen and elementary sulfur by (), thus the first purifying hydrogen sulfide fraction is converted into the first purifying hydrogen sulfide fraction of dissociation, wherein the first purifying hydrogen sulfide fraction of dissociation comprises element hydrogen and elementary sulfur;

    C () second time is separated the first purifying hydrogen sulfide fraction of dissociation, obtain rich hydrogen fraction with the first purifying hydrogen sulfide fraction from dissociation, wherein rich hydrogen fraction comprises element hydrogen;

    WithD () obtains hydrogen product from rich hydrogen fraction, wherein hydrogen product comprises element hydrogen.

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