Patent · US Active

Continuous process and apparatus for purifying SO2-containing gases

US10376834B2 · kind B2 · utility

0Cited by
4References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 2016
Grant dateAug 13, 2019
Priority date
Expiry dateMar 29, 2036

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/129
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention relates to a continuous process for purifying a gas containing 60-99 percent SO2 (sulfur dioxide) by volume and 1 to 40 percent steam by volume, followed by synthesis of SO3 (sulfur trioxide) without first drying the gas, and to an apparatus for carrying out said method.

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