Process for making fuming nitric acid
US4557920A · kind A · utility
1Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1983 |
| Grant date | Dec 10, 1985 |
| Priority date | — |
| Expiry date | Oct 17, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B21/0846
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for making fuming nitric acid involving the reacting of nitrogen dioxide gas with dry hydrogen chloride gas to produce the fuming nitric acid directly, and to produce as a co-product nitrosyl chloride gas; separating the formed liquid fuming nitric acid from the reaction gases and co-product gas; and stripping the liquid product and demisting the gaseous product to complete their separation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.