Adsorbent for recovery of bromine and bromine-recovering process using same
US4748013A · kind A · utility
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6Claims
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Key dates
| Filing date | Apr 15, 1986 |
| Grant date | May 31, 1988 |
| Priority date | — |
| Expiry date | Apr 15, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B7/096
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Bromine is advantageously recovered from a free bromine-containing aqueous solution or gas by placing the solution or gas in contact with an adsorbent comprising a ZSM-5 zeolite having an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 70 and heating the adsorbent at a temperature of at least 60.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.