ORIGINAL RESEARCH
Complex Fertilizers Produced from the Sunflower Husk Ash
Rasa Paleckienė1, Alfredas M. Sviklas1, Rasa Šlinkšienė1, Virginijus Štreimikis2
 
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1Department of Physical Chemistry, Kaunas University of Technology,
Radvilėnų pl. 19, 50254 Kaunas, Lithuania
2“Arvi” ir ko, J. Basanavičiaus a. 8, 68308 Marijampolė, Lithuania
 
 
Pol. J. Environ. Stud. 2010;19(5):973-979
 
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ABSTRACT
Sunflower husk ash containing the primary and secondary plant nutrients – phosphorus (10.94% P2O5), potassium (25.84% K2O), calcium (19.07% CaO), magnesium (18.58% MgO), and also some micronutrients (zinc, copper, cobalt, manganese, iron, and molybdenum) may be used for fertilization of variety plants. The sunflower husk has low plasticity, and the granulation process occurs better when binding materials (sugar factory lime, molasses, urea formaldehyde resin) are used. This study investigates determination of the optimal parameters of the granulation process as recycling and moisture content, ratio of ingredients and influence of additives by using laboratory equipment. The main product quality parameters as chemical composition, static crushing strength of granules, granulometric composition, and pH of 10% solution by standard method were examinated. The results show that sunflower husk may be used for fertilizers of 0-6-13 grade production.
eISSN:2083-5906
ISSN:1230-1485
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