SU264405A1 - METHOD OF PROCESSING OF PHOSPHATE RAW MATERIALS - Google Patents
METHOD OF PROCESSING OF PHOSPHATE RAW MATERIALSInfo
- Publication number
- SU264405A1 SU264405A1 SU1247306A SU1247306A SU264405A1 SU 264405 A1 SU264405 A1 SU 264405A1 SU 1247306 A SU1247306 A SU 1247306A SU 1247306 A SU1247306 A SU 1247306A SU 264405 A1 SU264405 A1 SU 264405A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- processing
- raw materials
- phosphate raw
- sulfuric
- mixture
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-K [O-]P([O-])([O-])=O Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title description 7
- 239000010452 phosphate Substances 0.000 title description 7
- 239000002994 raw material Substances 0.000 title description 6
- 239000000203 mixture Substances 0.000 description 7
- 239000003337 fertilizer Substances 0.000 description 5
- 150000003016 phosphoric acids Chemical class 0.000 description 5
- 235000011007 phosphoric acid Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N Phosphite Chemical compound [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000002367 phosphate rock Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- -1 potassium-calcium Chemical compound 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004132 Calcium polyphosphate Substances 0.000 description 1
- 239000007836 KH2PO4 Substances 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M Monopotassium phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 235000019827 calcium polyphosphate Nutrition 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- AZSFNUJOCKMOGB-UHFFFAOYSA-K cyclotriphosphate(3-) Chemical compound [O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 AZSFNUJOCKMOGB-UHFFFAOYSA-K 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Description
Изобретение относитс -к -способу переработки фосфатното сырь иа сложные фосфатные удобрени .The invention relates to a method for the processing of phosphate raw materials and complex phosphate fertilizers.
Известен способ оереработки фосфатного сырь путем обработки его смесью серной и фосфорной КИСЛОТ с дальнейшим нагреванием лри 400-500°С.There is a method of processing phosphate raw materials by treating it with a mixture of sulfuric and phosphoric ACIDS with further heating at 400-500 ° C.
С целью получени -сложното калий-кальциевого мета- и толифосфатного удобрени , предлагаетс фосфатное сырье обрабатывать смесью серной и фосфорной кислот в юрисутствии хлорида 1кали с -последующим нагреванием ери температуре лор дка 500°С.In order to obtain - complex potassium-calcium meta- and toliphosphate fertilizers, it is proposed to process the phosphate raw material with a mixture of sulfuric and phosphoric acids in the presence of 1-cali chloride with a subsequent heating at a temperature of about 500 ° C.
Фосфорит смешивают с КС1, обрабатывают смесью серной и фосфорной кислот. Исходные компоненты берут в таком соотношении, чтобы в Конечной Пульпе отношение Са{Н2Р04)2 к КН2РО4 мен лось в лределах от 2 : 1 до 1:1. Далее нульпу высушивают и назревают ерп 500-600°С, при этом уходит вс вода, НС1 и основна часть фтора. Конечный лродукт представл ет собой сухое, пористое, негигроокопическое вещество. Из 42% усво емой Р2О5 14-15% ее находитс в водораствориМОм состо нии. По составу такое удобрение представл ет собой калий-кальдиевый триметафосфат КСаРзОд и полифосфат кальци .Phosphorite is mixed with KC1, treated with a mixture of sulfuric and phosphoric acids. The initial components are taken in such a ratio that, in the Final Pulp, the ratio of Ca (H2P04) 2 to KH2PO4 changes in the range from 2: 1 to 1: 1. Next, the null is dried and brewed at 500-600 ° C, with all the water, HC1 and most of the fluorine leaving. The final product is a dry, porous, non-hygroscopic substance. Out of 42% of the absorbed P2O5, 14-15% of it is in a water soluble state. In terms of composition, this fertilizer is potassium-caldium trimetaphosphate KSaRzOd and calcium polyphosphate.
Указаниым способом можно лолучать удобрени практически из любого фосфатного сырь , 1КОНДИЦИЯ Которого не удовлетворительна дл переработки кислотными методами.In this way, fertilizers can be obtained from virtually any phosphate raw material, the 1CONDITION of which is not satisfactory for processing by acid methods.
Пример. Фосфорит Каратауского месторождени , и(меющий в своем составе, %: 25,5 РзО,-,; 42,2 СаО; 1,17 MgO; 2,1 РаОз; 3,2 F.O; Example. Phosphorite of the Karatau field, and (with its composition,%: 25.5 RZO, -,; 42.2 CaO; 1.17 MgO; 2.1 RaOz; 3.2 F.O;
0 3,2 SOs, смешивают с КС1 в весовом соотношении 4:1, разлагают смесью кислот 75%-ной серной и фосфорной, содержащей 18,8% РоО-„ при температуре 500°С.0 3.2 SOs, mixed with KC1 in a weight ratio of 4: 1, decomposed with a mixture of 75% sulfuric and phosphoric acids, containing 18.8% RoO-при at a temperature of 500 ° C.
5five
Предмет изобретени Subject invention
Способ переработки фосфатного сырь путем обработки его смесью серной и фосфорной кислот с последующим нагреванием при температуре пор дка 500°С, отличающийс тем, что, с целью получени сложного калийкальциевого мета- и нолифосфатного удобрени , обработку ведут в присутствии хлорида кали .A method of processing phosphate raw materials by treating it with a mixture of sulfuric and phosphoric acids, followed by heating at a temperature of about 500 ° C, characterized in that, in order to obtain complex potassium calcium meta-and nolyphosphate fertilizer, the treatment is carried out in the presence of potassium chloride.
Publications (1)
Publication Number | Publication Date |
---|---|
SU264405A1 true SU264405A1 (en) |
Family
ID=
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU264405A1 (en) | METHOD OF PROCESSING OF PHOSPHATE RAW MATERIALS | |
US1871195A (en) | Production of phosphatic fertilizer | |
US3186827A (en) | Manufacture of granular fertilizers | |
US2555634A (en) | Production of phosphate materials | |
US1834454A (en) | Manufacture of fertilizers | |
Bridger et al. | Quick-curing of superphosphate | |
US1858230A (en) | Fertilizer material and process for manufacturing the same | |
US1425747A (en) | Phosphatic fertilizer material and process of making the same | |
US2086565A (en) | Making calcium phosphate fertilizer | |
SU849996A3 (en) | Method of producing phosphorous fertilizer | |
SU1528769A1 (en) | Method of producing calcium polyphosphate | |
SU504746A1 (en) | The method of obtaining granulated double superphosphate | |
SU1054336A1 (en) | Method for producing fertilizer | |
SU340645A1 (en) | METHOD OF OBTAINING CHLORINE-FREE POTASSIUM FERTILIZER | |
US317010A (en) | pierce | |
SU479745A1 (en) | The method of obtaining water-soluble phosphate fertilizer | |
SU349671A1 (en) | METHOD OF OBTAINING A COMPLEX FERTILIZER | |
US3178278A (en) | Process for producing a multilayer high analysis, granular, non-hygroscopic phosphate fertilizer and the product thereof | |
SU196901A1 (en) | METHOD OF OBTAINING PHOSPHATE-CALCIUM SUBTLEMENT | |
US1855190A (en) | Process of making phosphate silicate fertilizer | |
RU2346916C1 (en) | Method of obtaining one-way phosphoric fertiliser out of lean raw phosphate material | |
SU1564152A1 (en) | Method of obtaining complex fertilizers | |
SU242183A1 (en) | METHOD OF OBTAINING DOUBLE SUPERPHOSPHATE | |
SU606848A1 (en) | Method of obtaining superphosphate | |
RU2141462C1 (en) | Method of preparing complex fertilizers |