Phase
changes in the syrian phosphorite–ammonium sulphate system |
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Authors: | V Yaneva I Dombalov |
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Institution: | (1) Technical University-Varna, Varna, Bulgaria, 9010, 1 Studentska Street;(2) University of Chemical Technology and Metallurgy-Sofia, Sofia, Bulgaria, 1756, 8 Climent Ohridsky Street |
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Abstract: | With
a complex of physico-chemical methods for analysis it is proved that in the
course of mechanochemical treatment of a Syrian phosphorite and ammonium sulphate
mixture new phases have been formed. The thermal analysis proves an increase
in the reaction properties of the ammonium sulphate and the Syrian phosphorite
which is a prerequisite for the increase in the content of P2O5assimilated , in the activated phosphorite mixtures and the possibility to use them
in the production of NP complex fertilizers. |
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Keywords: | ammonium sulphate mechanochemical activation phase changes phosphorite thermal analysis |
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