FR2481611A1 - Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium - Google Patents
Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium Download PDFInfo
- Publication number
- FR2481611A1 FR2481611A1 FR8009952A FR8009952A FR2481611A1 FR 2481611 A1 FR2481611 A1 FR 2481611A1 FR 8009952 A FR8009952 A FR 8009952A FR 8009952 A FR8009952 A FR 8009952A FR 2481611 A1 FR2481611 A1 FR 2481611A1
- Authority
- FR
- France
- Prior art keywords
- dryer
- ammonia
- granulator
- product
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 27
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000007787 solid Substances 0.000 title claims abstract description 18
- 239000004254 Ammonium phosphate Substances 0.000 title claims abstract description 17
- 229910000148 ammonium phosphate Inorganic materials 0.000 title claims abstract description 17
- 235000019289 ammonium phosphates Nutrition 0.000 title claims abstract description 17
- 239000002245 particle Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 47
- 230000008569 process Effects 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 28
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 103
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 44
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 27
- 239000002253 acid Substances 0.000 claims abstract description 22
- 238000005469 granulation Methods 0.000 claims abstract description 20
- 230000003179 granulation Effects 0.000 claims abstract description 20
- 238000004064 recycling Methods 0.000 claims abstract description 19
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 64
- 239000000047 product Substances 0.000 claims description 60
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000006386 neutralization reaction Methods 0.000 claims description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 12
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 11
- 239000005696 Diammonium phosphate Substances 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004202 carbamide Substances 0.000 claims description 9
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 9
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- 230000002378 acidificating effect Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- 239000011344 liquid material Substances 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 239000012265 solid product Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 239000011343 solid material Substances 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000012467 final product Substances 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 235000011007 phosphoric acid Nutrition 0.000 description 31
- 239000002994 raw material Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 150000007513 acids Chemical class 0.000 description 7
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 7
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 7
- 235000013339 cereals Nutrition 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 235000019837 monoammonium phosphate Nutrition 0.000 description 7
- 239000006012 monoammonium phosphate Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- 235000021395 porridge Nutrition 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 4
- 239000001166 ammonium sulphate Substances 0.000 description 4
- 235000011130 ammonium sulphate Nutrition 0.000 description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002426 superphosphate Substances 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 240000002234 Allium sativum Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 101000735429 Homo sapiens Terminal nucleotidyltransferase 4B Proteins 0.000 description 1
- 101100189356 Mus musculus Papolb gene Proteins 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- 240000005499 Sasa Species 0.000 description 1
- 102100034938 Terminal nucleotidyltransferase 4B Human genes 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- PRORZGWHZXZQMV-UHFFFAOYSA-N azane;nitric acid Chemical compound N.O[N+]([O-])=O PRORZGWHZXZQMV-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000004611 garlic Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- -1 phospho- Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Glanulating (AREA)
- Fertilizing (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicinal Preparation (AREA)
Priority Applications (30)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009952A FR2481611A1 (fr) | 1980-05-05 | 1980-05-05 | Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium |
| EP81400642A EP0040122B1 (fr) | 1980-05-05 | 1981-04-23 | Procédé de fabrication de produits sous forme de particules solides notamment d'engrais granulés NP/NPK contenant du phosphate d'ammonium |
| DE8181400642T DE3165513D1 (en) | 1980-05-05 | 1981-04-23 | Process for making solid-particle products, in particular np/npk granulated fertilizers containing ammonium phosphates |
| AT81400642T ATE8984T1 (de) | 1980-05-05 | 1981-04-23 | Verfahren zur herstellung von aus festen partikeln bestehenden produkten, insbesondere granulierten np/npk-duengemitteln, die ammoniumphosphate enthalten. |
| US06/258,460 US4604126A (en) | 1980-05-05 | 1981-04-28 | NP/NPK fertilizer granules comprised of ammonium phosphate |
| PH25577A PH18941A (en) | 1980-05-05 | 1981-04-29 | Np/npk fertilizer granules comprised of ammonium phosphate and apparatus |
| MA19339A MA19133A1 (fr) | 1980-05-05 | 1981-04-29 | Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium . |
| YU01128/81A YU112881A (en) | 1980-05-05 | 1981-04-30 | Process for producing products in the form of solid particles, especially granulated fertilizers containing ammonium phosphate |
| FI811360A FI71720C (fi) | 1980-05-05 | 1981-04-30 | Kontinuerligt foerfarande i tvao steg foer framstaellning av produkter i form av fasta partiklar, speciellt np/npk-goedselgranulat som innehaoller ammoniumfosfater och anordning foer utfoerande av foerfarandet. |
| JP6534881A JPS5724626A (en) | 1980-05-05 | 1981-05-01 | Manufacture of product in form of solid granule, particularly, granular np/npk manure containing ammonium phosphate |
| SU813276209A SU1190974A3 (ru) | 1980-05-05 | 1981-05-04 | Установка дл получени гранулированного удобрени |
| NO811496A NO155963C (no) | 1980-05-05 | 1981-05-04 | Fremgangsmaate og apparat for kontinuerlig totrinns fremstilling av kunstgjoedsel. |
| BR8102715A BR8102715A (pt) | 1980-05-05 | 1981-05-04 | Processo de fabricacao de produtos sob forma de particulas solidas especialmente adubos np/npk contendeo fosfato de amonio, processo de fabricacao de fosfato diamonio granuladao, dispositivo para emprego do processo, adubo granulado |
| ES501847A ES501847A0 (es) | 1980-05-05 | 1981-05-04 | Un procedimiento de fabricacion de productos en forma de particulas solidas,en especial de abonos np-npk |
| UA3276209A UA7836A1 (uk) | 1980-05-05 | 1981-05-04 | Обладнання для одержання гранульованого добрива |
| GR64827A GR74848B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-05 | 1981-05-04 | |
| AU70108/81A AU545241B2 (en) | 1980-05-05 | 1981-05-04 | Production of fertilizer containing ammonium phosphate |
| CA000376752A CA1179163A (fr) | 1980-05-05 | 1981-05-04 | Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium |
| PT72967A PT72967B (fr) | 1980-05-05 | 1981-05-04 | Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'amonium |
| IN467/CAL/81A IN153702B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-05 | 1981-05-04 | |
| IL62780A IL62780A (en) | 1980-05-05 | 1981-05-04 | Process for the production of products in the form of solid particles containing ammonium phosphate in particular granulated np/npk fertilizers |
| KR1019810001532A KR840001422B1 (ko) | 1980-05-05 | 1981-05-04 | 인산 암모늄을 함유하는 np/npk 입상비료의 제조방법 |
| ZA00812930A ZA812930B (en) | 1980-05-05 | 1981-05-04 | Production of fertilizer containing ammonium phoshate |
| OA57396A OA06805A (fr) | 1980-05-05 | 1981-05-05 | Procédé de fabrication de produits sous forme de particules solides notamment d'engrais granulés NP/NPK contenant un phosphate d'ammonium. |
| MX187127A MX156252A (es) | 1980-05-05 | 1981-05-06 | Procedimiento e instalacion de fabricacion de productos bajo la forma de particulas solidas,especificamente de fertilizantes granulados np/npk conteniendo fosfato de amonio |
| SI8310294A SI8310294A8 (sl) | 1980-05-05 | 1983-02-08 | Naprava za proizvodnjo izdelkov v obliki trdnih delcev, zlasti granuliranih np/npk gnojil, vsebujočih amonijeve fosfate |
| YU294/83A YU44971B (en) | 1980-05-05 | 1983-02-08 | Device for manufacturing products in form of solid particles, particularly granulated fertilizers containing ammonium phosphate |
| LTRP1131A LT2630B (lt) | 1980-05-05 | 1993-09-27 | Granuliuotu trasu gaminimo itaisas |
| LV931201A LV5697A3 (lv) | 1980-05-05 | 1993-11-11 | Iekarta granuleta meslojuma iegusanai |
| HRP-294/83A HRP940656B1 (en) | 1980-05-05 | 1994-10-06 | Apparatus for the production of solid fragment articles, particularly granulated fertilizers containing amonium-phosphates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009952A FR2481611A1 (fr) | 1980-05-05 | 1980-05-05 | Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2481611A1 true FR2481611A1 (fr) | 1981-11-06 |
| FR2481611B1 FR2481611B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-09-07 |
Family
ID=9241602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8009952A Granted FR2481611A1 (fr) | 1980-05-05 | 1980-05-05 | Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium |
Country Status (25)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI70202C (fi) * | 1984-06-20 | 1986-09-15 | Kemira Oy | Saett att aotervinna naeringsmedel fraon avgaserna av en np-konstgoedselfabrik |
| US5211735A (en) * | 1987-04-24 | 1993-05-18 | Petroleo Brasileiro S. A. | Process for preparing phosphated or nitrophosphated fertilizers through solubilization of phosphate rock |
| US5435822A (en) * | 1989-11-08 | 1995-07-25 | W. R. Grace & Co.-Conn. | Spray dried water dispersible fertilizer |
| RU2169720C1 (ru) * | 2000-02-16 | 2001-06-27 | ОАО "Череповецкий "Азот" | Способ получения сложного азотно-фосфорного удобрения |
| RU2228322C1 (ru) * | 2003-03-17 | 2004-05-10 | Открытое акционерное общество "Акрон" | Способ получения сложных водорастворимых удобрений |
| RU2253639C2 (ru) * | 2003-06-16 | 2005-06-10 | Общество с ограниченной ответственностью "Научно-инженерный центр" (ООО "НИЦ") | Способ получения гранулированного минерального удобрения, содержащего азот и фосфор, и гранулированное минеральное удобрение |
| EP1694613A2 (en) * | 2003-12-18 | 2006-08-30 | Georgia-Pacific Resins, Inc. | Extended-release nitrogen-containing granular fertilizer |
| RU2266272C1 (ru) * | 2004-02-12 | 2005-12-20 | Открытое акционерное общество "Кирово-Чепецкий химический комбинат имени Б.П. Константинова" | Способ получения сложного азотно-фосфорного удобрения |
| RU2263652C1 (ru) * | 2004-11-19 | 2005-11-10 | Закрытое акционерное общество "Минерально-химическая компания "ЕвроХим" (ЗАО "МХК "ЕвроХим") | Способ получения азотно-фосфорного удобрения |
| NO325430B1 (no) * | 2006-04-10 | 2008-04-28 | Yara Int Asa | Fremgangsmate for produksjon av nitrofosfatprodukter med hoyt nitrogeninnhold, og produkter produsert ved denne. |
| BRPI0809250A2 (pt) * | 2007-03-09 | 2014-09-09 | Easymining Sweden A | Recuperação de fósforo |
| US9464008B2 (en) * | 2012-02-01 | 2016-10-11 | Honeywell International Inc. | Process for preparing ammonium sulfate nitrate |
| US9932278B2 (en) | 2015-03-12 | 2018-04-03 | Advansix Resins & Chemicals Llc | Granulator feed apparatus |
| FR3039830B1 (fr) * | 2015-08-03 | 2018-09-07 | Ocp Sa | Procede de fabrication d'un engrais a base de phosphate d'ammonium presentant une teneur reduite en cadmium |
| EP3192370B1 (en) | 2016-01-15 | 2020-03-04 | Rendapart | Environmentally friendly herbicidal formulations |
| CN113351128A (zh) * | 2021-01-28 | 2021-09-07 | 安徽科技学院 | 一种氨基酸水溶肥制备用反应釜 |
| US11998784B1 (en) * | 2021-07-01 | 2024-06-04 | Shawn Sahbari | Mixture and method for fire suppression and prevention |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2047393A (en) * | 1932-03-28 | 1936-07-14 | Swift And Company Fertilizer W | Fertilizer preparation |
| FR1100817A (fr) * | 1953-11-12 | 1955-09-26 | Siape | Procédé de fabrication d'engrais phosphatés sous forme de granules ou de poudre |
| DE1051871B (de) * | 1954-04-30 | 1959-03-05 | Dorr Oliver Inc | Kontinuierliches Verfahren zur Herstellung von hochwertigen, frei fliessenden, granulierten Diammoniumphosphatduengemitteln |
| US3037855A (en) * | 1958-05-23 | 1962-06-05 | Allied Chem | Process for pebbling by spraying a mixture of ammonium nitrate and ammonium phosphates |
| US3241946A (en) * | 1962-03-30 | 1966-03-22 | Union Oil Co | Ammonium phosphate fertilizer solids derived from anhydrous liquid phosphoric acid |
| US3310371A (en) * | 1962-10-30 | 1967-03-21 | Dorr Oliver Inc | Production of ammonium phosphate |
| FR1389361A (fr) * | 1963-04-18 | 1965-02-12 | Ici Ltd | Perfectionnements aux engrais mixtes |
| BE659404A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1964-02-12 | 1965-05-28 | ||
| FR1573849A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-10-31 | 1969-07-11 | ||
| US3738821A (en) * | 1972-05-18 | 1973-06-12 | Reserve Oil & Gas Co | Process of agglomerating ammonium sulfate and making complete fertilizer |
| US3954942A (en) * | 1974-09-16 | 1976-05-04 | Tennessee Valley Authority | Granular ammonium phosphate sulfate and monoammonium phosphate using common pipe-cross-type reactor |
| SU676584A1 (ru) * | 1975-12-26 | 1979-07-30 | Предприятие П/Я Р-6603 | Способ гранулировани нитроаммофоски |
| UST969002I4 (en) * | 1977-07-25 | 1978-04-04 | Tennessee Valley Authority | Granular ammonium phosphate sulfate and urea-ammonium phosphate sulfate using a common pipe-cross reactor |
| FR2437386A1 (fr) * | 1978-09-28 | 1980-04-25 | Jacobs Engineering Group Inc | Procede et appareil de fabrication de phosphate diammonique |
| NL173387C (nl) * | 1979-03-15 | 1984-01-16 | Azote Sa Cie Neerlandaise | Werkwijze voor het maken van stabiele, ammoniumnitraat bevattende meststofkorrels. |
-
1980
- 1980-05-05 FR FR8009952A patent/FR2481611A1/fr active Granted
-
1981
- 1981-04-23 DE DE8181400642T patent/DE3165513D1/de not_active Expired
- 1981-04-23 EP EP81400642A patent/EP0040122B1/fr not_active Expired
- 1981-04-23 AT AT81400642T patent/ATE8984T1/de not_active IP Right Cessation
- 1981-04-28 US US06/258,460 patent/US4604126A/en not_active Expired - Lifetime
- 1981-04-29 PH PH25577A patent/PH18941A/en unknown
- 1981-04-29 MA MA19339A patent/MA19133A1/fr unknown
- 1981-04-30 YU YU01128/81A patent/YU112881A/xx unknown
- 1981-04-30 FI FI811360A patent/FI71720C/fi not_active IP Right Cessation
- 1981-05-01 JP JP6534881A patent/JPS5724626A/ja active Granted
- 1981-05-04 BR BR8102715A patent/BR8102715A/pt not_active IP Right Cessation
- 1981-05-04 CA CA000376752A patent/CA1179163A/fr not_active Expired
- 1981-05-04 KR KR1019810001532A patent/KR840001422B1/ko not_active Expired
- 1981-05-04 ZA ZA00812930A patent/ZA812930B/xx unknown
- 1981-05-04 AU AU70108/81A patent/AU545241B2/en not_active Expired
- 1981-05-04 ES ES501847A patent/ES501847A0/es active Granted
- 1981-05-04 SU SU813276209A patent/SU1190974A3/ru active
- 1981-05-04 IL IL62780A patent/IL62780A/xx not_active IP Right Cessation
- 1981-05-04 NO NO811496A patent/NO155963C/no not_active IP Right Cessation
- 1981-05-04 GR GR64827A patent/GR74848B/el unknown
- 1981-05-04 UA UA3276209A patent/UA7836A1/uk unknown
- 1981-05-04 IN IN467/CAL/81A patent/IN153702B/en unknown
- 1981-05-04 PT PT72967A patent/PT72967B/pt not_active IP Right Cessation
- 1981-05-05 OA OA57396A patent/OA06805A/xx unknown
- 1981-05-06 MX MX187127A patent/MX156252A/es unknown
-
1983
- 1983-02-08 YU YU294/83A patent/YU44971B/xx unknown
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