FIELD: chemistry.
SUBSTANCE: invention relates to agriculture. The method of producing granular potassium phosphate fertiliser involves mixing a calcium phosphate component and potassium chloride, granulating the mixture and drying the end product, wherein the calcium phosphate component used is pulp with viscosity of 20-150 cP, which is obtained by neutralising phosphoric acid or a mixture thereof with sulphuric acid with calcium carbonate, wherein the ratio of reactants and neutralisation time are kept in a range required to obtain a ratio of monocalcium phosphate and dicalcium phosphate in the pulp of 1:(0.3-0.5).
EFFECT: invention enables to obtain an end product of granular potassium phosphate fertiliser with improved physical and chemical properties.
1 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING COMPOUND FERTILISER | 2013 |
|
RU2551541C1 |
| PHOSPHOR-POTASSIUM-NITROGEN-CONTAINING NPK-FERTILISER AND METHOD OF PRODUCING GRANULATED PHOSPHOR-POTASSIUM-NITROGEN-CONTAINING NPK-FERTILISERS | 2016 |
|
RU2628292C1 |
| PHOSPHORUS-POTASSUIM-NITROGEN-CONTAINING NPK-FERTILISER AND METHOD FOR PRODUCING GRANULATED PHOSPHORUS-POTASSUIM-NITROGEN-CONTAINING NPK-FERTILISER | 2016 |
|
RU2626947C1 |
| METHOD OF PHOSPHORIC FERTILISER PRODUCTION | 2008 |
|
RU2369585C1 |
| METHOD OF PRODUCTION OF COMPLEX FERTILISER | 2013 |
|
RU2541641C1 |
| METHOD OF PRODUCTION OF COMPLEX FERTILISER | 2013 |
|
RU2527794C1 |
| METHOD OF PRODUCING COMPOUND FERTILISER | 2015 |
|
RU2607332C2 |
| METHOD OF PRODUCTION OF PHOSPHATE FERTILIZER | 1999 |
|
RU2142927C1 |
| METHOD OF PRODUCING COMPOUND NITROGEN-PHOSPHORUS-SULPHATE FERTILISER FROM PHOSPHOGYPSUM (VERSIONS) | 2011 |
|
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| METHOD FOR OBTAINING COMPLEX MINERAL FERTILISERS FROM PHOSPHATE ORE AND PLANT FOR ITS IMPLEMENTATION | 2016 |
|
RU2634936C2 |
