Patent · US Active

Catalyst for removal of sulphur oxides from flue gases of power plants

US11801498B2 · kind B2 · utility

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7References
4Claims
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Key dates

Filing dateJun 6, 2022
Grant dateOct 31, 2023
Priority date
Expiry dateJun 6, 2042

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2258/0283
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to the catalytic processes for rendering harmless the flue gases of the power stations or more precisely to the catalysts for sulfur oxides reduction to elemental sulfur. The novel catalyst presents the binary polycations of copper and zinc or copper and manganese incorporated into the low silica faujasite X (LSX) having transition metals ratio Cu:Zn or Cu:Mn in the range of 2:1 to 4:1.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.