Capture mass composed of elemental sulphur deposited on a porous support for capturing heavy metals
US9486738B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2013 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Oct 27, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/56
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention concerns the elimination of heavy metals, in particular mercury and possibly arsenic and lead, present in a dry or moist gaseous effluent (1) by means of a capture mass (2) comprising a porous support at least part of which is of low mesoporosity and an active phase based on sulphur. The invention is advantageously applicable to the treatment of gas of industrial origin, synthesis gas or natural gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.