JPH0222036B2 - - Google Patents
Info
- Publication number
- JPH0222036B2 JPH0222036B2 JP57114102A JP11410282A JPH0222036B2 JP H0222036 B2 JPH0222036 B2 JP H0222036B2 JP 57114102 A JP57114102 A JP 57114102A JP 11410282 A JP11410282 A JP 11410282A JP H0222036 B2 JPH0222036 B2 JP H0222036B2
- Authority
- JP
- Japan
- Prior art keywords
- urea
- solution
- granules
- weight
- added
- 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.)
- Expired - Lifetime
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 62
- 239000004202 carbamide Substances 0.000 claims description 62
- 239000008187 granular material Substances 0.000 claims description 43
- 239000003337 fertilizer Substances 0.000 claims description 21
- 239000000203 mixture 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
- 239000000725 suspension Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 8
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 8
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 6
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 6
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 6
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 23
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical class [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 239000002426 superphosphate Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000001166 ammonium sulphate Substances 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000007788 liquid 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
- 150000002681 magnesium compounds Chemical class 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000005696 Diammonium phosphate Substances 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
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- ZQNPDAVSHFGLIQ-UHFFFAOYSA-N calcium;hydrate Chemical compound O.[Ca] ZQNPDAVSHFGLIQ-UHFFFAOYSA-N 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 229910000150 monocalcium phosphate Inorganic materials 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
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8103205 | 1981-07-03 | ||
| NL8103205 | 1981-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5849684A JPS5849684A (ja) | 1983-03-23 |
| JPH0222036B2 true JPH0222036B2 (en]) | 1990-05-17 |
Family
ID=19837740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57114102A Granted JPS5849684A (ja) | 1981-07-03 | 1982-07-02 | 主成分として尿素を含有している顆粒の製造方法 |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4478632A (en]) |
| JP (1) | JPS5849684A (en]) |
| AT (1) | AT382610B (en]) |
| BE (1) | BE893716A (en]) |
| BR (1) | BR8203890A (en]) |
| CA (1) | CA1190059A (en]) |
| CS (1) | CS241112B2 (en]) |
| DD (1) | DD208972A5 (en]) |
| DE (1) | DE3223139C2 (en]) |
| EG (1) | EG15823A (en]) |
| ES (1) | ES513684A0 (en]) |
| FI (1) | FI71922C (en]) |
| FR (1) | FR2508894A1 (en]) |
| GB (1) | GB2103209B (en]) |
| GR (1) | GR76402B (en]) |
| HU (1) | HU190401B (en]) |
| IE (1) | IE53381B1 (en]) |
| IN (1) | IN157765B (en]) |
| IT (1) | IT1190903B (en]) |
| MX (1) | MX159933A (en]) |
| NO (1) | NO154683C (en]) |
| PL (1) | PL138045B1 (en]) |
| PT (1) | PT75172B (en]) |
| RO (1) | RO85736B (en]) |
| SE (1) | SE456643B (en]) |
| TR (1) | TR21523A (en]) |
| YU (1) | YU42778B (en]) |
| ZA (1) | ZA824698B (en]) |
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 |
| JP5649781B2 (ja) * | 2005-04-18 | 2015-01-07 | スタミカーボン ビー． ブイ． | 尿素含有粒子の製造方法 |
| AU2018302519B2 (en) | 2017-07-21 | 2023-10-12 | SABIC Agri-Nutrients Company | Calcium sulfate urea granules and methods for producing and using the same |
| EP3891111A1 (en) | 2018-12-07 | 2021-10-13 | SABIC Global Technologies B.V. | 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 TR TR21523A patent/TR21523A/xx unknown
- 1982-06-30 CS CS824945A patent/CS241112B2/cs unknown
- 1982-06-30 US US06/393,656 patent/US4478632A/en not_active Expired - Fee Related
- 1982-06-30 NO NO822260A patent/NO154683C/no unknown
- 1982-07-01 BE BE2/59759A patent/BE893716A/nl not_active IP Right Cessation
- 1982-07-01 SE SE8204077A patent/SE456643B/sv not_active IP Right Cessation
- 1982-07-01 PT PT75172A patent/PT75172B/pt not_active IP Right Cessation
- 1982-07-01 PL PL1982237215A patent/PL138045B1/pl unknown
- 1982-07-01 FI FI822346A patent/FI71922C/fi not_active IP Right Cessation
- 1982-07-01 RO RO108039A patent/RO85736B/ro unknown
- 1982-07-01 ZA ZA824698A patent/ZA824698B/xx unknown
- 1982-07-02 JP JP57114102A patent/JPS5849684A/ja active Granted
- 1982-07-02 CA CA000406484A patent/CA1190059A/en not_active Expired
- 1982-07-02 BR BR8203890A patent/BR8203890A/pt not_active IP Right Cessation
- 1982-07-02 DD DD82241372A patent/DD208972A5/de not_active IP Right Cessation
- 1982-07-02 ES ES513684A patent/ES513684A0/es active Granted
- 1982-07-02 IT IT22206/82A patent/IT1190903B/it active
- 1982-07-02 YU YU1444/82A patent/YU42778B/xx unknown
- 1982-07-02 MX MX193431A patent/MX159933A/es unknown
- 1982-07-02 HU HU822179A patent/HU190401B/hu not_active IP Right Cessation
- 1982-07-03 EG EG396/82A patent/EG15823A/xx active
Also Published As
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