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Granulation of kieserite and mineral fertilizers containing kieserite, comprises plasticizing grained mineral fertilizer, compression molding the fertilizers to pellet, hardening pellets by drying and breaking the pellet to desired length
Granulation of kieserite and mineral fertilizers containing kieserite, comprises plasticizing grained mineral fertilizer, compression molding the fertilizers to pellet, hardening pellets by drying and breaking the pellet to desired length
Granulation of kieserite and mineral fertilizers containing kieserite, comprises: (a) partially plasticizing the finely grained mineral fertilizer in a pre-treatment step, which takes place in mixers with high turbulence; (b) compression molding the conditioned, plasticized mineral fertilizers and compacting in a flat die pellet press and pellet strands with a development of smooth and compact cylindrical surface; (c) hardening the pellets by carefully drying and developing a solid pellet composite; and (d) breaking the hardened cylindrical pellet strands to the desired pellet length. Granulation of kieserite and mineral fertilizers containing kieserite, comprises: (a) partially plasticizing the finely grained mineral fertilizer in a pre-treatment step by adjusting a water content to 8.5+-2% and conditioned by the addition of hydrophilic materials, which possess lubricating properties by nature or are rendered with lubricating properties by a treatment process, where the pre-treatment of finely grained fertilizer with water and the hydrophilic substances takes place in mixers with high turbulence; (b) compression molding the conditioned, plasticized mineral fertilizers and compacting in a flat die pellet press and pellet strands with a development of smooth and compact cylindrical surface; (c) hardening the pellets produced in step (b) by carefully drying and developing a solid pellet composite; and (d) breaking the hardened cylindrical pellet strands to the desired pellet length.
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