SE456643B - Foerfarande foer framstaellning av granuler innehaallande karbamid samt goedselmedelblandning med karbamidhaltiga granuler - Google Patents
Foerfarande foer framstaellning av granuler innehaallande karbamid samt goedselmedelblandning med karbamidhaltiga granulerInfo
- Publication number
- SE456643B SE456643B SE8204077A SE8204077A SE456643B SE 456643 B SE456643 B SE 456643B SE 8204077 A SE8204077 A SE 8204077A SE 8204077 A SE8204077 A SE 8204077A SE 456643 B SE456643 B SE 456643B
- Authority
- SE
- Sweden
- Prior art keywords
- urea
- solution
- granules
- suspension
- particles
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 56
- 239000004202 carbamide Substances 0.000 title claims description 55
- 239000008187 granular material Substances 0.000 title claims description 37
- 239000000203 mixture Substances 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 10
- 238000002360 preparation method Methods 0.000 title claims description 3
- 235000013877 carbamide Nutrition 0.000 title 1
- 239000003337 fertilizer Substances 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 14
- 238000002425 crystallisation Methods 0.000 claims description 12
- 230000008025 crystallization Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 7
- 239000000347 magnesium hydroxide Substances 0.000 claims description 7
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 7
- 159000000003 magnesium salts Chemical class 0.000 claims description 7
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002426 superphosphate Substances 0.000 claims description 6
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 5
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 5
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 5
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 5
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 4
- 239000001166 ammonium sulphate Substances 0.000 claims description 4
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 4
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000243 solution Substances 0.000 description 23
- 229910019142 PO4 Inorganic materials 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XJBNELXWSXDUFP-UHFFFAOYSA-N 1,1,3-tris(hydroxymethyl)urea Chemical compound OCNC(=O)N(CO)CO XJBNELXWSXDUFP-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- ZBZJARSYCHAEND-UHFFFAOYSA-L calcium;dihydrogen phosphate;hydrate Chemical compound O.[Ca+2].OP(O)([O-])=O.OP(O)([O-])=O ZBZJARSYCHAEND-UHFFFAOYSA-L 0.000 description 1
- NEXJMXNCAUIPCD-UHFFFAOYSA-L calcium;hydrogen phosphate;urea Chemical compound [Ca+2].NC(N)=O.OP([O-])([O-])=O NEXJMXNCAUIPCD-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0078—Recirculation systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8103205 | 1981-07-03 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8204077D0 SE8204077D0 (sv) | 1982-07-01 |
| SE8204077L SE8204077L (en, 2012) | 1983-02-25 |
| SE456643B true SE456643B (sv) | 1988-10-24 |
Family
ID=19837740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8204077A SE456643B (sv) | 1981-07-03 | 1982-07-01 | Foerfarande foer framstaellning av granuler innehaallande karbamid samt goedselmedelblandning med karbamidhaltiga granuler |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4478632A (en, 2012) |
| JP (1) | JPS5849684A (en, 2012) |
| AT (1) | AT382610B (en, 2012) |
| BE (1) | BE893716A (en, 2012) |
| BR (1) | BR8203890A (en, 2012) |
| CA (1) | CA1190059A (en, 2012) |
| CS (1) | CS241112B2 (en, 2012) |
| DD (1) | DD208972A5 (en, 2012) |
| DE (1) | DE3223139C2 (en, 2012) |
| EG (1) | EG15823A (en, 2012) |
| ES (1) | ES8503256A1 (en, 2012) |
| FI (1) | FI71922C (en, 2012) |
| FR (1) | FR2508894A1 (en, 2012) |
| GB (1) | GB2103209B (en, 2012) |
| GR (1) | GR76402B (en, 2012) |
| HU (1) | HU190401B (en, 2012) |
| IE (1) | IE53381B1 (en, 2012) |
| IN (1) | IN157765B (en, 2012) |
| IT (1) | IT1190903B (en, 2012) |
| MX (1) | MX159933A (en, 2012) |
| NO (1) | NO154683C (en, 2012) |
| PL (1) | PL138045B1 (en, 2012) |
| PT (1) | PT75172B (en, 2012) |
| RO (1) | RO85736B (en, 2012) |
| SE (1) | SE456643B (en, 2012) |
| TR (1) | TR21523A (en, 2012) |
| YU (1) | YU42778B (en, 2012) |
| ZA (1) | ZA824698B (en, 2012) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8502838A (nl) * | 1985-10-17 | 1987-05-18 | Azote Sa Cie Neerlandaise | Werkwijze ter vervaardiging van ureum en ammoniumsulfaat bevattende meststofkorrels. |
| NL8700913A (nl) * | 1987-04-16 | 1988-11-16 | Nl Stikstof | Werkwijze voor het vervaardigen van kunstmestgranules. |
| AUPM383594A0 (en) * | 1994-02-11 | 1994-03-10 | Incitec Ltd | Granular urea |
| US5676729A (en) * | 1995-06-29 | 1997-10-14 | Western Industrial Clay Products, Ltd. | Particulate urea with mineral filler incorporated for hardness |
| US7700012B2 (en) * | 2005-04-18 | 2010-04-20 | Dsm Ip Assets B.V. | Process for the production of urea-comprising particles |
| CN111051269A (zh) | 2017-07-21 | 2020-04-21 | 沙特基础工业全球技术公司 | 硫酸钙尿素颗粒及其制备和使用方法 |
| US12384732B2 (en) | 2018-12-07 | 2025-08-12 | SABIC Agri-Nutrients Company | Fertilizers containing calcium sulfate urea and methods for producing and using the same |
| DE102021108187A1 (de) | 2021-03-31 | 2022-10-06 | Skw Stickstoffwerke Piesteritz Gmbh | Granuliertes pH-neutrales Harnstoff-Ammoniumsulfat-Düngemittel mit Ureaseinhibitor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1581761A (en) * | 1977-06-09 | 1980-12-17 | Azote Sa Cie Neerlandaise | Urea granulation |
| NL8002912A (nl) * | 1980-05-20 | 1981-12-16 | Azote Sa Cie Neerlandaise | Werkwijze voor het maken van ureumkorrels, alsmede aldus verkregen ureumkorrels bevattende kunstmestmengsels. |
-
1982
- 1982-06-22 GR GR68517A patent/GR76402B/el unknown
- 1982-06-22 DE DE3223139A patent/DE3223139C2/de not_active Expired
- 1982-06-26 IN IN752/CAL/82A patent/IN157765B/en unknown
- 1982-06-28 AT AT0248782A patent/AT382610B/de not_active IP Right Cessation
- 1982-06-28 IE IE1555/82A patent/IE53381B1/en not_active IP Right Cessation
- 1982-06-28 GB GB08218689A patent/GB2103209B/en not_active Expired
- 1982-06-29 FR FR8211362A patent/FR2508894A1/fr active Granted
- 1982-06-30 NO NO822260A patent/NO154683C/no unknown
- 1982-06-30 US US06/393,656 patent/US4478632A/en not_active Expired - Fee Related
- 1982-06-30 TR TR21523A patent/TR21523A/xx unknown
- 1982-06-30 CS CS824945A patent/CS241112B2/cs unknown
- 1982-07-01 BE BE2/59759A patent/BE893716A/nl not_active IP Right Cessation
- 1982-07-01 FI FI822346A patent/FI71922C/fi not_active IP Right Cessation
- 1982-07-01 PT PT75172A patent/PT75172B/pt not_active IP Right Cessation
- 1982-07-01 ZA ZA824698A patent/ZA824698B/xx unknown
- 1982-07-01 SE SE8204077A patent/SE456643B/sv not_active IP Right Cessation
- 1982-07-01 PL PL1982237215A patent/PL138045B1/pl unknown
- 1982-07-01 RO RO108039A patent/RO85736B/ro unknown
- 1982-07-02 MX MX193431A patent/MX159933A/es unknown
- 1982-07-02 JP JP57114102A patent/JPS5849684A/ja active Granted
- 1982-07-02 HU HU822179A patent/HU190401B/hu not_active IP Right Cessation
- 1982-07-02 CA CA000406484A patent/CA1190059A/en not_active Expired
- 1982-07-02 YU YU1444/82A patent/YU42778B/xx unknown
- 1982-07-02 IT IT22206/82A patent/IT1190903B/it active
- 1982-07-02 ES ES513684A patent/ES8503256A1/es not_active Expired
- 1982-07-02 DD DD82241372A patent/DD208972A5/de not_active IP Right Cessation
- 1982-07-02 BR BR8203890A patent/BR8203890A/pt not_active IP Right Cessation
- 1982-07-03 EG EG396/82A patent/EG15823A/xx active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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