Gas stream purification apparatus
US5538702A · kind A · utility
5Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1994 |
| Grant date | Jul 23, 1996 |
| Priority date | — |
| Expiry date | Feb 8, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/002
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for the treatment of a stream of exhaust gases including phosphine in which the stream is heated to a sufficiently high temperature to decompose the phosphine to phosphorus vapor and the stream is then passed into a reactor containing calcium oxide heated to above about 100.degree. C. An oxygen containing stream is also passed into the reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.