RECYCLING METAL-RICH FINES AND POWDER COATING WASTE MATERIAL IN COMPOSITE BRIQUETTES
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United States of America Patent
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Issued Date -
Jul 9, 2020
app pub date -
Dec 22, 2017
filing date -
Dec 23, 2016
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Abstract
A method of making a composite compact or briquette may include mixing a first particulate material with at most 15% by weight of a powder coating material to obtain a mixture, and compacting the mixture into a compact. Either the first particulate material, the powder coating material, or both are advantageously waste materials. The first particulate material has a metal content of at least 50% by weight. The compact can be cured at temperatures between 50° C. and 300° C. to obtain the composite briquette. The composite briquette may include a binding phase formed of the cured waste powder coating material, and a dispersed phase formed of the first particulate. The composite briquettes can be used as a secondary ore material.
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