Технология получения комплексных фосфорно-серных удобрений, обладающих инсектицидной активностью

Аннотация

Subjects of research: phosphorites of Central Kizylkum: ordinary phosphorite flour, low phosphorites, washed dried concoction, thermo concentrate, sulphur. Purpose of work: the development to technologies and chemical base of the reception, complex phosphoric-sulfuric and nitrogen-phosphoric-sulfuric of the fertilizers, possessing insecticides by activity on base of the conversion phosphorites of Central Kizylkum sulphur, and under lowered rate by sulfuric and nitric acids. Methods of research: chemical and X-ray graphical analysis. The results achieved and their novelty: for the first time explored process to activations low phosphorites of Central Kizylkum presence of the sulphur, as well as is revealed role, rates of the sulphur and influence condition on transition not acquired forms of phosphorus in acquired. Designed technology of the reception phosphoric-sulfuric and nitrogen-phosphoric-sulfuric of the fertilizers by by decompositions phosphorites presence of the sulphur and lowered by rate by chamois and nitric acids, as well as explored physic-chemical and goods characteristic of the got products. Practical value: on base result studies are for the first time received scientific given about creation intensive technological scheme of the reception complex phosphoric-sulfuric and nitrogen-phosphoric-sulfuric of the fertilizers possessing insecticides by activity by means of activation low phosphorites with sulphur, lowered rates by sulfuric and nitric acids. Degree of embed and economic affectivity: agricultural chemistry test on cotton plant have shown efficiency phosphoric-sulfuric and nitrogen-phosphoric-sulfuric of the fertilizers before superphosphat prime cost 1 ton phosphoric-sulfuric of the fertilizers forms 20102,77 sum, prime cost 1 ton nitrogen-phosphoric-sulfuric of the fertilizers forms 153057,64 sum. Sphere of usage: plants of State joint-stock company “O'zkimyosanoat”, the agriculture.