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US 12,760,379 B2Granted
Coffee as a carbon source in the preparation of iron and ferro-alloys
AssigneeNewSouth Innovations Pty Limited
InventorVeena Sahajwalla
Life of this patent
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Abstract
The present disclosure broadly relates to processes for preparing iron and ferro-alloys using coffee as a source of carbon.
Claims19
A process for preparing iron comprising:
- (a) forming a mixture comprising iron oxide and a carbon source which is, or is obtained from, coffee;
- and
- (b) heating the mixture for a period of time sufficient to convert the iron oxide to iron;
- wherein in step (b), the heating is performed at a temperature between about 1100 °C and about 1600 °C.
1 more element
A process for preparing a ferro-alloy, comprising:
- (a) forming a mixture comprising iron oxide and a carbon source which is obtained from coffee;
- and
- (b) heating the mixture for a period of time sufficient to convert the iron oxide to iron,
- wherein in step (b) the heating is performed at a temperature between about 1100 °C and about 1600 °C;
- and
- wherein the coffee has been subjected to a heat treatment comprising by heating the coffee under conditions sufficient to increase its carbon content.
3 more elements
Dependencies are inferred from the claim text.