磷石膏生产杂交肥料技术方案的开发

Bulletin of the Saint Petersburg State Institute of Technology (Technical University) Pub Date : 2022-01-01 DOI:10.36807/1998-9849-2022-60-86-23-27

V. Lipin, Teodor G. Milberger, E. Gorbachev, D. M. Shapot, Sergey N. Akhmedov

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摘要

磷石膏是磷酸生产过程中的废弃物，可作为生产各类矿物肥料的原料。根据研究结果，提出了磷石膏加工生产颗粒矿肥的技术方案:可同化磷含量大于49%的P型;磷含量28%、钾含量28%、硫含量10%的PKS型;氮含量15%、磷含量15%、钾含量15%、硫含量10%的NPKS;NS型，含氮量为30%。所得肥料含有一组微量元素，颗粒强度在4mpa以上

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DEVELOPMENT OF TECHNICAL SOLUTIONS FOR THE PRODUCTION OF HYBRID FERTILIZERS FROM PHOSPHOGYPSUM

Phosphogypsum is a waste product in the production of phosphoric acid and can be considered as a raw material for the production of various types of mineral fertilizers. As a result of the conducted research, technical solutions for processing phosphogypsum with the production of granular mineral fertilizers are proposed: type P with a content of assimilable phosphorus of more than 49%; type PKS with a content of phosphorus of 28%, potassium of 28%, sulfur of 10%; type NPKS with a content of nitrogen of 15%, phosphorus of 15%, potassium of 15%, sulfur of 10%; type NS with a nitrogen content of 30%. The resulting fertilizers contain a set of trace elements and have a granule strength above 4 MPa

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Bulletin of the Saint Petersburg State Institute of Technology (Technical University)

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