Catalyst comprising calcium aluminate cement and at least one oxide of nickel or cobalt
US5041408A · kind A · utility
8Cited by
3References
9Claims
0Family size
Assignee
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Key dates
| Filing date | May 7, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | May 7, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/185
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Shaped particles suitable for use as a catalyst, or precursor thereto, particularly for the decomposition of hypohalite ions in aqueous solution, comprising a calcium aluminate cement and at least one oxide of a Group VIII metal M selected from nickel and cobalt, said particles containing 10 to 70% by weight of said Group VIII metal oxide (expressed as the divalent oxide, MO) and having a porosity in the range 25 to 50%, in which at least 30% of the pore volume is in the form of pores of size in the range 15 to 35 nm and less than 40% of the pore volume is in the form of pores of diameter greater than 35 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.