Enhanced process to produce a thermofertiliser from potassium-bearing minerals

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United States of America Patent

PATENT NO 8435322
APP PUB NO 20110232347A1
SERIAL NO

12916132

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Abstract

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A simplified and enhanced process to produce thermofertiliser obtained from potassium and phosphorous-bearing minerals is provided, where these elements may or may not be in citric acid or insoluble in water. The process also includes the use of specific additives, at the beginning of the process or immediately before the beginning of the thermal treatment step, in order to increase the potassium and phosphorous contents in the product and the overall efficiency of the process and also to promote the production of a high quality thermofertiliser.

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Patent Owner(s)

Patent OwnerAddress
VALE FERTILIZANTES S ARODOVIA ESTRADA DA CANA KM 11 S/N° BAIRRO INDUSTRIAL DE UBERABA UBERABA - MG 38001-970

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ailton, Rodrigues Sebastião Minas Gerais, BR 1 0
Gomes, Da Silva Ruberlan Minas Gerais, BR 2 0

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