Patent · US Expired

Reagent for treating flue gases and method of preparation

US4233175A · kind A · utility

6Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 1978
Grant dateNov 11, 1980
Priority date
Expiry dateSep 1, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J20/3236
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A reagent for treating flue gases constituted by an intimate mixture, in the solid state, of a main component selected from the group comprising alkaline-earth, oxides, hydroxides, carbonates, bicarbonates, and mixtures thereof, and an additive selected from the group comprising hydrogen halide acids, salts of such acids of alkaline metals, ammonium, and alkaline-earth metals, sulphuric acid, and mixtures thereof, said additive being present in an amount of from 0.1 to 15% by mole respect to said main component.

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