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2013 ...

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14 2013

2013

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VI - 14 2013 577.4 (075.8) 28.081 :

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ISBN 978-5-89016-912- , VI - .

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577.4 (075.8) 28.081 ISBN 978-5-89016-912- .. , :

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- , . , e-mail: Israiljon2010@mail.ru; Zokirjon.mamadjanov.79@mail.ru To make optimal use of low-grade phosphate rock (18-20% P2O5) for the production of calcium-concentrated nitrogen-phosphorus fertilizer used to study the decomposition of phosphate rock in mikroelementsoderzhaschey what process phosphoric acid (WPPA) concentration of 30-35% P2O5. The optimal conditions for obtaining mikroelementsoderzhaschih concentrated nitrogen-phosphorus fertilizer such as double superphosphate.

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, , 25% 25, . , ~20% 25 . . - , . , , .. , . , ~20% 25, ( 9-11% 25, 1-2% N).

() , , 25 .

(18-20% 25) - .%: 25 = 18,14, 2 = 11,41, = 41,28, MgO = 1,67, Fe2O3 = 1,01, Al2O3 = 0,88, SO3 = 3,36, F = 1,94 . () (, 2010; ., 2011) 30-35% 25, ( ., 1992;

., 1994) : (100% 25)=100:100200 (.. 125250% ) 80 120 .

(~18% 25) 30,2% 25 : (100% 25)=100:100 2 71,72%.

. , 34,8% 25 1,25 82,4%, 1,5 85,2%.

, (, 1982). - , . , , (100% 25)=100:100 30,2% 25, 5,6% 66,1%. 1,5 2 2,7% 1,6% 79,7% 83,6%. , 34,8% 25 (100% 25)=100:100 75,3%. 3,4% 71,9%.

, . 105 , (100% 25)=100:100 30,2% 34,8%, 73,8% 81,2%, .. 2,1% 5,9%. (25.) 3,45% 3,05%.

, . 105 , : (100% 25)=100:150 34,8 25, 89,5% 90,4%, .. 7,1% 5,2%. (25 .) ( 15,0% 22,8%) , .



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