DE3118454C2 - "Verfahren zur Herstellung von Harnstoffkörnern" - Google Patents
"Verfahren zur Herstellung von Harnstoffkörnern"Info
- Publication number
- DE3118454C2 DE3118454C2 DE3118454A DE3118454A DE3118454C2 DE 3118454 C2 DE3118454 C2 DE 3118454C2 DE 3118454 A DE3118454 A DE 3118454A DE 3118454 A DE3118454 A DE 3118454A DE 3118454 C2 DE3118454 C2 DE 3118454C2
- Authority
- DE
- Germany
- Prior art keywords
- urea
- grains
- melt
- superphosphate
- weight
- 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
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000004202 carbamide Substances 0.000 title claims abstract description 64
- 239000008187 granular material Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 title claims description 13
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 27
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 20
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 19
- 239000010452 phosphate Substances 0.000 claims abstract description 19
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002426 superphosphate Substances 0.000 claims abstract description 13
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 13
- 239000010459 dolomite Substances 0.000 claims description 10
- 229910000514 dolomite Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003337 fertilizer Substances 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 235000013339 cereals Nutrition 0.000 claims 6
- 235000021317 phosphate Nutrition 0.000 claims 4
- 239000010881 fly ash Substances 0.000 claims 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 1
- 235000021395 porridge Nutrition 0.000 claims 1
- 239000000654 additive Substances 0.000 abstract description 6
- 230000000996 additive effect Effects 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 14
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 238000005469 granulation Methods 0.000 description 7
- 230000003179 granulation Effects 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000126 substance 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
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 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
- 239000007859 condensation product 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
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 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
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005029 sieve analysis Methods 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
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003860 storage Methods 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 (2)
| Publication Number | Publication Date |
|---|---|
| DE3118454A1 DE3118454A1 (de) | 1982-02-18 |
| DE3118454C2 true DE3118454C2 (de) | 1984-04-26 |
Family
ID=19835332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3118454A Expired DE3118454C2 (de) | 1980-05-20 | 1981-05-09 | "Verfahren zur Herstellung von Harnstoffkörnern" |
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4067324A1 (de) | 2021-03-31 | 2022-10-05 | SKW STICKSTOFFWERKE PIESTERITZ GmbH | Granuliertes ph-neutrales harnstoff-ammoniumsulfat-düngemittel mit ureaseinhibitor |
Families Citing this family (8)
| 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 |
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
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4067324A1 (de) | 2021-03-31 | 2022-10-05 | SKW STICKSTOFFWERKE PIESTERITZ GmbH | Granuliertes ph-neutrales harnstoff-ammoniumsulfat-düngemittel mit ureaseinhibitor |
| DE102021108187A1 (de) | 2021-03-31 | 2022-10-06 | Skw Stickstoffwerke Piesteritz Gmbh | Granuliertes pH-neutrales Harnstoff-Ammoniumsulfat-Düngemittel mit Ureaseinhibitor |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3008891C2 (de) | Verfahren zur Herstellung von stabilisierten, Ammoniumnitrat enthaltenden Körnern | |
| DE3872753T2 (de) | Verfahren zur herstellung von duengemittelgranulaten. | |
| DE1542149A1 (de) | Verfahren zur Herstellung von koernigem Material | |
| DE3222157C2 (de) | Verfahren zur Herstellung von Harnstoff als Hauptbestandteil enthaltenden Körnern | |
| EP0247305B1 (de) | Verfahren zum Granulieren wasserlöslicher Dünger mit hohem Kieseritanteil | |
| DE2825039B2 (de) | Verfahren zur Herstellung von Harnstoffkörnern | |
| DE3118454C2 (de) | "Verfahren zur Herstellung von Harnstoffkörnern" | |
| DE2928143A1 (de) | Nichtbackende koernige mineralduenger | |
| DE3223139C2 (de) | Verfahren zur Herstellung von Harnstoff als Hauptbestandteil enthaltenden Düngemittelkörnern | |
| DE863946C (de) | Verfahren zur Herstellung von granuliertem Superphosphat | |
| DE2905731C3 (de) | Verfahren zum Herstellen von Ammonstilfntgranulaten | |
| DE2352304A1 (de) | Verfahren zur herstellung von stabilisiertem ammonnitrat | |
| DE2139278C3 (de) | Verfahren zum Verhindern der Neigung des Harnstoffs zusammenzubacken | |
| DE1075642B (de) | Verfahren zur Herstel lung von mchtklumpenden mchtzusam mcnbackenden und freifließenden Misch düngemittel | |
| DE2506152A1 (de) | Prillverfahren | |
| DE102019006367A1 (de) | Staubbindemittel für Düngemittel | |
| WO1995021689A1 (en) | Granular urea | |
| DD159040C4 (de) | Verfahren zur herstellung von härnstoffkoernern | |
| EP0061600B1 (de) | Verfahren zur Herstellung von Mischgranulaten aus kondensierten Phosphaten und Gerüststoffsalzen | |
| DD266567A5 (de) | Zusammensetzung und verfahren zur herstellung eines ammoniumnitrat-sprengstoffes | |
| DE2217577C3 (de) | Verfahren zur Herstellung eines granulierten MgO-haltigen Phosphatdüngemittels | |
| DE1542149C3 (de) | Verfahren zur Herstellung von nicht zusammenbackenden und/oder mechanisch beständigen Körnchen | |
| AT288439B (de) | Verfahren zur Herstellung von stabilisiertem Ammonnitrat | |
| AT248479B (de) | Verfahren zur Verbesserung der Rieselfähigkeit von pulverigen und bzw. oder körnigen Schüttgütern | |
| DE1792725C3 (de) | Mischdüngemittel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |