DD159040A5 - Verfahren zur herstellung von harnstoffkoernern - Google Patents
Verfahren zur herstellung von harnstoffkoernern Download PDFInfo
- Publication number
- DD159040A5 DD159040A5 DD81230122A DD23012281A DD159040A5 DD 159040 A5 DD159040 A5 DD 159040A5 DD 81230122 A DD81230122 A DD 81230122A DD 23012281 A DD23012281 A DD 23012281A DD 159040 A5 DD159040 A5 DD 159040A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- urea
- grains
- solution
- melt
- days
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 230000002485 urinary effect Effects 0.000 title 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000004202 carbamide Substances 0.000 claims abstract description 63
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 22
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 17
- 239000010459 dolomite Substances 0.000 claims description 7
- 229910000514 dolomite Inorganic materials 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 abstract description 18
- 239000002426 superphosphate Substances 0.000 abstract description 18
- 229910019142 PO4 Inorganic materials 0.000 abstract description 16
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 15
- 239000010452 phosphate Substances 0.000 abstract description 15
- 238000002156 mixing Methods 0.000 abstract description 3
- 235000021317 phosphate Nutrition 0.000 description 15
- 239000008187 granular material Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 12
- 238000005469 granulation Methods 0.000 description 11
- 230000003179 granulation Effects 0.000 description 11
- 239000003337 fertilizer Substances 0.000 description 9
- 238000002425 crystallisation Methods 0.000 description 8
- 230000008025 crystallization Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 239000007859 condensation product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- 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
- C05B—PHOSPHATIC FERTILISERS
- C05B19/00—Granulation or pelletisation of phosphatic fertilisers, other than slag
- C05B19/02—Granulation or pelletisation of phosphatic fertilisers, other than slag of superphosphates or mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8002912A NL8002912A (nl) | 1980-05-20 | 1980-05-20 | Werkwijze voor het maken van ureumkorrels, alsmede aldus verkregen ureumkorrels bevattende kunstmestmengsels. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD159040A5 true DD159040A5 (de) | 1983-02-16 |
Family
ID=19835332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD81230122A DD159040A5 (de) | 1980-05-20 | 1981-05-20 | Verfahren zur herstellung von harnstoffkoernern |
Country Status (28)
| Country | Link |
|---|---|
| JP (1) | JPS6035320B2 (cs) |
| AT (1) | AT375917B (cs) |
| BE (1) | BE888842A (cs) |
| BG (1) | BG49613A3 (cs) |
| BR (1) | BR8103139A (cs) |
| CA (1) | CA1157288A (cs) |
| CS (1) | CS259506B2 (cs) |
| DD (1) | DD159040A5 (cs) |
| DE (1) | DE3118454C2 (cs) |
| EG (1) | EG15440A (cs) |
| ES (1) | ES502903A0 (cs) |
| FI (1) | FI71721C (cs) |
| FR (1) | FR2482871B1 (cs) |
| GB (1) | GB2077722B (cs) |
| GR (1) | GR75604B (cs) |
| HU (1) | HU184438B (cs) |
| IE (1) | IE51964B1 (cs) |
| IN (1) | IN153960B (cs) |
| IT (1) | IT1136617B (cs) |
| MX (1) | MX160067A (cs) |
| NL (2) | NL8002912A (cs) |
| NO (1) | NO151648C (cs) |
| PL (1) | PL134458B1 (cs) |
| PT (1) | PT73053B (cs) |
| SE (1) | SE446625B (cs) |
| TR (1) | TR21674A (cs) |
| YU (1) | YU42568B (cs) |
| ZA (1) | ZA813280B (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3117542A1 (de) * | 1981-05-04 | 1983-02-10 | Franz Josef Gattys Ingenieurbüro für Chem. Maschinen- und Apparatebau, 6078 Neu-Isenburg | Verfahren zur stabilisierung von dehydratisiertem magnesiumschlorid gegen rueck-hydratisierung |
| DE3223139C2 (de) * | 1981-07-03 | 1985-02-07 | Compagnie Néerlandaise de l'Azote S.A., Bruxelles | Verfahren zur Herstellung von Harnstoff als Hauptbestandteil enthaltenden Düngemittelkörnern |
| NL184769C (nl) * | 1981-07-03 | 1989-11-01 | Azote Sa Cie Neerlandaise | Werkwijze voor het vervaardigen van ureumkorrels. |
| NL8502838A (nl) * | 1985-10-17 | 1987-05-18 | Azote Sa Cie Neerlandaise | Werkwijze ter vervaardiging van ureum en ammoniumsulfaat bevattende meststofkorrels. |
| DE4232567C1 (de) * | 1992-09-29 | 1994-02-10 | Kali & Salz Ag | Verfahren zur Verhinderung einer Staubbildung beim Verladen oder Transportieren eines sulfatischen Düngergranulats |
| AU679330B2 (en) * | 1994-02-11 | 1997-06-26 | Incitec Ltd | Granular urea |
| AUPM383594A0 (en) * | 1994-02-11 | 1994-03-10 | Incitec Ltd | Granular urea |
| DE102005018949A1 (de) * | 2005-04-18 | 2006-10-19 | Ami-Agrolinz Melamine International Gmbh | Harnstoffpartikel, Verfahren zu dessen Herstellung und dessen Verwendung |
| DE102021108187A1 (de) | 2021-03-31 | 2022-10-06 | Skw Stickstoffwerke Piesteritz Gmbh | Granuliertes pH-neutrales Harnstoff-Ammoniumsulfat-Düngemittel mit Ureaseinhibitor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB731686A (en) * | 1952-06-25 | 1955-06-15 | Ici Ltd | Improvements in and relating to urea compositions |
| GB837163A (en) * | 1958-01-31 | 1960-06-09 | Ici Ltd | Improvements in and relating to urea compositions |
| GB1220826A (en) * | 1967-09-13 | 1971-01-27 | Fisons Ltd | Process for the production of particulate urea |
-
1980
- 1980-05-20 NL NL8002912A patent/NL8002912A/nl not_active Application Discontinuation
-
1981
- 1981-05-04 NL NL8102191A patent/NL8102191A/nl not_active Application Discontinuation
- 1981-05-09 DE DE3118454A patent/DE3118454C2/de not_active Expired
- 1981-05-12 GR GR64915A patent/GR75604B/el unknown
- 1981-05-12 CA CA000377380A patent/CA1157288A/en not_active Expired
- 1981-05-12 IN IN501/CAL/81A patent/IN153960B/en unknown
- 1981-05-12 IE IE1062/81A patent/IE51964B1/en unknown
- 1981-05-14 AT AT0215381A patent/AT375917B/de not_active IP Right Cessation
- 1981-05-15 GB GB8115005A patent/GB2077722B/en not_active Expired
- 1981-05-15 FR FR8109729A patent/FR2482871B1/fr not_active Expired
- 1981-05-18 ZA ZA00813280A patent/ZA813280B/xx unknown
- 1981-05-19 YU YU1285/81A patent/YU42568B/xx unknown
- 1981-05-19 PT PT73053A patent/PT73053B/pt not_active IP Right Cessation
- 1981-05-19 BE BE2/59164A patent/BE888842A/nl not_active IP Right Cessation
- 1981-05-19 MX MX187383A patent/MX160067A/es unknown
- 1981-05-19 FI FI811539A patent/FI71721C/fi not_active IP Right Cessation
- 1981-05-19 CS CS813720A patent/CS259506B2/cs unknown
- 1981-05-19 IT IT21817/81A patent/IT1136617B/it active
- 1981-05-19 NO NO811697A patent/NO151648C/no unknown
- 1981-05-19 SE SE8103139A patent/SE446625B/sv not_active IP Right Cessation
- 1981-05-19 JP JP56074344A patent/JPS6035320B2/ja not_active Expired
- 1981-05-19 HU HU811441A patent/HU184438B/hu not_active IP Right Cessation
- 1981-05-20 EG EG283/81A patent/EG15440A/xx active
- 1981-05-20 ES ES502903A patent/ES502903A0/es active Granted
- 1981-05-20 TR TR21674A patent/TR21674A/xx unknown
- 1981-05-20 PL PL1981231271A patent/PL134458B1/pl unknown
- 1981-05-20 DD DD81230122A patent/DD159040A5/de not_active IP Right Cessation
- 1981-05-20 BR BR8103139A patent/BR8103139A/pt not_active IP Right Cessation
- 1981-05-20 BG BG052155A patent/BG49613A3/xx unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |