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AssigneeFertinagro Biotech, S.L.
InventorsSergio ATARES REAL, Joaquin POMERO LOPEZ, Ignasi SALAET MADORRAN, Carlos FUERTES DOÑATE, Marcos CABALLERO MOLADA, Laura SANCHEZ SANCHEZ
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The invention provides a method for the industrial manufacture of granulated fertilizers of the type including the steps of granulation, drying, control of the granule temperature, and sifting, granulation being carried out using a starting material in the form of a thick homogenized suspension in which soluble and insoluble components are present, and in which, prior to the granulation step, said starting material is premixed with other selected raw materials with a high content of nitrogen, phosphorus, potassium, sulfur, calcium, organic matter, micronutrients and combinations thereof.
A method for the industrial manufacture of granulated fertilizers of the type including the steps of granulation, drying, control of the granule temperature, and sifting, wherein the starting material used comprises water-soluble and water-insoluble components in a proportion by weight of 0.5 to 10% with respect to the weight of the product to be granulated in the granulation step, and in that the method includes, prior to the granulation step, a step of obtaining the starting material in the form of a homogenized mixture as a thick aqueous suspension, the soluble and insoluble components being selected from sugars, amino acids, organic acids, polyamines, alcohols, nucleotides, boric acid, leonardite, algae extracts and combinations thereof, and a step of premixing this starting material with other raw materials selected from products with high nitrogen content, products with high phosphorus content, products with high potassium content, products with high sulfur content, products with high calcium content,
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