Reagent for treating flue gases and method of preparation
US4233175A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1978 |
| Grant date | Nov 11, 1980 |
| Priority date | — |
| Expiry date | Sep 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.