Silicate treatment of molecular sieve agglomerates
US5026531A · kind A · utility
15Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1989 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Feb 10, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/24
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Molecular sieve agglomerates that can have improved physical and chemical properties are prepared by methods which comprise contacting the agglomerates with an alkali metal silicate solution. Molecular sieve agglomerates which comprise binders such as kaolin can additionally be contacted with an alkali hydroxide solution to convert the kaolin to Zeolite A prior to contacting the agglomerates with the alkali metal silicate solution to further improve properties. The molecular sieve agglomerates prepared according to the present invention are suitable for use as refrigerant desiccants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.