Binary ferrihydrite catalysts
A method of preparing a catalyst precursor comprises dissolving an iron salt and a salt of an oxoanion forming agent, in water so that a solution of the iron salt and oxoanion forming agent salt has a ratio of oxoanion/Fe of between 0.0001:1 to 0.5:1. Next is increasing the pH of the solution to 10 by adding a strong base followed by collecting of precipitate having a binary ferrihydrite structure. A binary ferrihydrite catalyst precursor is also prepared by dissolving an iron salt in water. The solution is brought to a pH of substantially 10 to obtain ferrihydrite precipitate. The precipitate is then filtered and washed with distilled water and subsequently admixed with a hydroxy carboxylic acid solution. The admixture is mixed/agitated and the binary ferrihydrite precipitate is then filtered and recovered. 3 figs.
- Research Organization:
- Consortium for Fossil Fuel Liquefaction Science
- DOE Contract Number:
- FC22-90PC90029
- Assignee:
- Univ. of Kentucky Research Foundation, Lexington, KY (United States)
- Patent Number(s):
- US 5,580,839/A/
- Application Number:
- PAN: 8-315,456
- OSTI ID:
- 415732
- Resource Relation:
- Other Information: PBD: 3 Dec 1996
- Country of Publication:
- United States
- Language:
- English
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