RO85736B - Procedeu de obtinere a granulelor fertilizante cu continut de uree - Google Patents
Procedeu de obtinere a granulelor fertilizante cu continut de ureeInfo
- Publication number
- RO85736B RO85736B RO108039A RO10803982A RO85736B RO 85736 B RO85736 B RO 85736B RO 108039 A RO108039 A RO 108039A RO 10803982 A RO10803982 A RO 10803982A RO 85736 B RO85736 B RO 85736B
- Authority
- RO
- Romania
- Prior art keywords
- urea
- magnesium
- solution
- suspension
- granules
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 8
- 239000004202 carbamide Substances 0.000 title abstract 8
- 239000008187 granular material Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000003337 fertilizer Substances 0.000 abstract 3
- 239000000725 suspension Substances 0.000 abstract 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 abstract 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000001095 magnesium carbonate Substances 0.000 abstract 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract 2
- 239000000347 magnesium hydroxide Substances 0.000 abstract 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 abstract 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 abstract 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 1
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 1
- AZQGXBPEOJVTOH-UHFFFAOYSA-L azanium;barium(2+);phosphate Chemical compound [NH4+].[Ba+2].[O-]P([O-])([O-])=O AZQGXBPEOJVTOH-UHFFFAOYSA-L 0.000 abstract 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract 1
- -1 magnesium carbonate compound Chemical class 0.000 abstract 1
- 229910001629 magnesium chloride Inorganic materials 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 1
- 159000000003 magnesium salts Chemical class 0.000 abstract 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 1
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000002426 superphosphate Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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)
Abstract
Inventia se refera la un procedeu de obtinere a granulelor fertilizante cu continut de uree drept componenta principala, prin pulverizarea unei solutii apoase de uree, avînd concentratia de 85...98%, cu adaosuri de agent întîrzietor de cristalizare a ureei, precum si cu eventuale adaosuri de fertilizanti, constînd din sulfat de amoniu, fosfat mono sau biacid de amoniu în solutie sau suspensie, sub forma de picaturi fine, cu un diametru mediu cuprins cu un diametru mediu cuprins între 20 si 120 niu, într-un pat fluidizat de particule de uree, la o temperatura la care apa din solutia sau suspensia pulverizata s-a evaporat, ureea sau agentul fertilizant cu continut de uree solidificîndu-se, prin care, în scopul eliminarii tendintei de aglutinare si a îmbunatatirii proprietatilor fizico-chimice ale granulelor unitare sau triple de superfosfat, se adauga la solutia sau suspensia ce urmeaza sa fie granulata ca agent de întîrziere a cristalizarii de uree, hidroxid de magneziu sau o sare anorganica de magneziu, constînd din clorura de magneziu, sulfat de magneziu, azotat de magneziu, carbonat de magneziu sau un compus de carbonat de magneziu si hidroxid de magneziu, în proportie de 0,1...1%, de preferinta 0,4...1% în greutate, calculata ca oxid de magneziu.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8103205 | 1981-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO85736A RO85736A (ro) | 1984-11-25 |
| RO85736B true RO85736B (ro) | 1984-11-30 |
Family
ID=19837740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO108039A RO85736B (ro) | 1981-07-03 | 1982-07-01 | Procedeu de obtinere a granulelor fertilizante cu continut de uree |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4478632A (ro) |
| JP (1) | JPS5849684A (ro) |
| AT (1) | AT382610B (ro) |
| BE (1) | BE893716A (ro) |
| BR (1) | BR8203890A (ro) |
| CA (1) | CA1190059A (ro) |
| CS (1) | CS241112B2 (ro) |
| DD (1) | DD208972A5 (ro) |
| DE (1) | DE3223139C2 (ro) |
| EG (1) | EG15823A (ro) |
| ES (1) | ES513684A0 (ro) |
| FI (1) | FI71922C (ro) |
| FR (1) | FR2508894A1 (ro) |
| GB (1) | GB2103209B (ro) |
| GR (1) | GR76402B (ro) |
| HU (1) | HU190401B (ro) |
| IE (1) | IE53381B1 (ro) |
| IN (1) | IN157765B (ro) |
| IT (1) | IT1190903B (ro) |
| MX (1) | MX159933A (ro) |
| NO (1) | NO154683C (ro) |
| PL (1) | PL138045B1 (ro) |
| PT (1) | PT75172B (ro) |
| RO (1) | RO85736B (ro) |
| SE (1) | SE456643B (ro) |
| TR (1) | TR21523A (ro) |
| YU (1) | YU42778B (ro) |
| ZA (1) | ZA824698B (ro) |
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 |
| CN101160271B (zh) * | 2005-04-18 | 2013-02-06 | 斯塔米卡邦有限公司 | 含尿素颗粒的制备工艺 |
| CN111108079A (zh) | 2017-07-21 | 2020-05-05 | 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 |
| BR112021010747A2 (pt) | 2018-12-07 | 2021-08-31 | Sabic Global Technologies B.V. | Composição fertilizante, e, métodos para fazer a composição fertilizante e para fertilização |
| 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 IE IE1555/82A patent/IE53381B1/en not_active IP Right Cessation
- 1982-06-28 AT AT0248782A patent/AT382610B/de 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 CS CS824945A patent/CS241112B2/cs 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 NO NO822260A patent/NO154683C/no unknown
- 1982-07-01 PL PL1982237215A patent/PL138045B1/pl unknown
- 1982-07-01 ZA ZA824698A patent/ZA824698B/xx unknown
- 1982-07-01 RO RO108039A patent/RO85736B/ro unknown
- 1982-07-01 BE BE2/59759A patent/BE893716A/nl not_active IP Right Cessation
- 1982-07-01 PT PT75172A patent/PT75172B/pt not_active IP Right Cessation
- 1982-07-01 SE SE8204077A patent/SE456643B/sv not_active IP Right Cessation
- 1982-07-01 FI FI822346A patent/FI71922C/fi not_active IP Right Cessation
- 1982-07-02 CA CA000406484A patent/CA1190059A/en not_active Expired
- 1982-07-02 IT IT22206/82A patent/IT1190903B/it active
- 1982-07-02 HU HU822179A patent/HU190401B/hu not_active IP Right Cessation
- 1982-07-02 MX MX193431A patent/MX159933A/es unknown
- 1982-07-02 ES ES513684A patent/ES513684A0/es active Granted
- 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
- 1982-07-02 YU YU1444/82A patent/YU42778B/xx unknown
- 1982-07-02 JP JP57114102A patent/JPS5849684A/ja active Granted
- 1982-07-03 EG EG396/82A patent/EG15823A/xx active
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