NPK LIQUID AND SOLID FERTILIZER, OBTAINING PROCESS, FERTILIZING COMPOSITIONS AND USE

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United States of America Patent

APP PUB NO 20240101490A1
SERIAL NO

17766459

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Abstract

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A process of chemical cleavage of leather or skins containing chromium The process using sodium, potassium or calcium methylates (CH3O−) or ethylates (CH3CH2O−), producing chromium hydroxide (green paste), ammonium sulfate and liquid fertilizer. The chromium trioxide III (Cr2O3) obtained was used in the production of Fe—Cr alloy. The liquid fertilizer was applied to strawberry, violet and acerola crops, and can be applied to other types of crops. The fertilizer is also compatible with pesticides, being able to compose a composition containing fertilizer and pesticide or even used to obtain products containing fertilizers and pesticides, which allow application in a single step, exempting the process in the field A solid NPK fertilizer formulation obtained by combining N recovered from waste and homogeneously mixed with K and P salts.

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Patent Owner(s)

Patent OwnerAddress
UNIV FEDERAL DE MINAS GERAIS UFMGNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ALVES, DE OLIVEIRA Luiz Carlos Belo Horizonte, BR 7 0
BELCHIOR, Jadson Claudio Belo Horizonte, BR 7 0
CANDIDO, DA SILVA Adilson Belo Horizonte, BR 1 0
DE, FIGUEIREDO PORTILHO Marcio Niteroi, BR 4 0

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