Adsorbent and cleaning method of waste gas containing ketonic organic solvents
US5256385A · kind A · utility
1Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Dec 7, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/186
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An adsorbent comprising zeolite with an amount of solid acid of not more than 0.05 mmol/g as determined by pyridine temperature programed desorption method and with a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of not less than 50, and a cleaning method of waste gas containing ketonic organic solvents are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.