PL134458B1 - Method of obtaining urea granules and fertilizer mixture containing such graniles - Google Patents
Method of obtaining urea granules and fertilizer mixture containing such graniles Download PDFInfo
- Publication number
- PL134458B1 PL134458B1 PL1981231271A PL23127181A PL134458B1 PL 134458 B1 PL134458 B1 PL 134458B1 PL 1981231271 A PL1981231271 A PL 1981231271A PL 23127181 A PL23127181 A PL 23127181A PL 134458 B1 PL134458 B1 PL 134458B1
- Authority
- PL
- Poland
- Prior art keywords
- urea
- granules
- weight
- mgo
- superphosphate
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 82
- 239000004202 carbamide Substances 0.000 title claims description 82
- 239000008187 granular material Substances 0.000 title claims description 53
- 239000000203 mixture Substances 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 18
- 239000003337 fertilizer Substances 0.000 title claims description 12
- 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 34
- 239000002426 superphosphate Substances 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 18
- 238000002425 crystallisation Methods 0.000 claims description 17
- 230000008025 crystallization Effects 0.000 claims description 17
- 239000010459 dolomite Substances 0.000 claims description 14
- 229910000514 dolomite Inorganic materials 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 35
- 239000000395 magnesium oxide Substances 0.000 description 20
- 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
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 235000011181 potassium carbonates Nutrition 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- COSWCAGTKRUTQV-UHFFFAOYSA-N 1,1,3-trimethylurea Chemical compound CNC(=O)N(C)C COSWCAGTKRUTQV-UHFFFAOYSA-N 0.000 description 1
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
- 229940038472 dicalcium phosphate Drugs 0.000 description 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
- MHJAJDCZWVHCPF-UHFFFAOYSA-L dimagnesium phosphate Chemical compound [Mg+2].OP([O-])([O-])=O MHJAJDCZWVHCPF-UHFFFAOYSA-L 0.000 description 1
- 229910000395 dimagnesium phosphate Inorganic materials 0.000 description 1
- 235000019791 dimagnesium phosphate Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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 |
|---|---|
| PL231271A1 PL231271A1 (pt) | 1981-12-23 |
| PL134458B1 true PL134458B1 (en) | 1985-08-31 |
Family
ID=19835332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1981231271A PL134458B1 (en) | 1980-05-20 | 1981-05-20 | Method of obtaining urea granules and fertilizer mixture containing such graniles |
Country Status (28)
| Country | Link |
|---|---|
| JP (1) | JPS6035320B2 (pt) |
| AT (1) | AT375917B (pt) |
| BE (1) | BE888842A (pt) |
| BG (1) | BG49613A3 (pt) |
| BR (1) | BR8103139A (pt) |
| CA (1) | CA1157288A (pt) |
| CS (1) | CS259506B2 (pt) |
| DD (1) | DD159040A5 (pt) |
| DE (1) | DE3118454C2 (pt) |
| EG (1) | EG15440A (pt) |
| ES (1) | ES502903A0 (pt) |
| FI (1) | FI71721C (pt) |
| FR (1) | FR2482871B1 (pt) |
| GB (1) | GB2077722B (pt) |
| GR (1) | GR75604B (pt) |
| HU (1) | HU184438B (pt) |
| IE (1) | IE51964B1 (pt) |
| IN (1) | IN153960B (pt) |
| IT (1) | IT1136617B (pt) |
| MX (1) | MX160067A (pt) |
| NL (2) | NL8002912A (pt) |
| NO (1) | NO151648C (pt) |
| PL (1) | PL134458B1 (pt) |
| PT (1) | PT73053B (pt) |
| SE (1) | SE446625B (pt) |
| TR (1) | TR21674A (pt) |
| YU (1) | YU42568B (pt) |
| ZA (1) | ZA813280B (pt) |
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 |
| GR76402B (pt) * | 1981-07-03 | 1984-08-10 | Azote Sa Cie Neerlandaise | |
| 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 |
| AUPM383594A0 (en) * | 1994-02-11 | 1994-03-10 | Incitec Ltd | Granular urea |
| AU679330B2 (en) * | 1994-02-11 | 1997-06-26 | 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 IE IE1062/81A patent/IE51964B1/en unknown
- 1981-05-12 IN IN501/CAL/81A patent/IN153960B/en unknown
- 1981-05-12 CA CA000377380A patent/CA1157288A/en not_active Expired
- 1981-05-12 GR GR64915A patent/GR75604B/el unknown
- 1981-05-14 AT AT0215381A patent/AT375917B/de not_active IP Right Cessation
- 1981-05-15 FR FR8109729A patent/FR2482871B1/fr not_active Expired
- 1981-05-15 GB GB8115005A patent/GB2077722B/en 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 IT IT21817/81A patent/IT1136617B/it active
- 1981-05-19 JP JP56074344A patent/JPS6035320B2/ja not_active Expired
- 1981-05-19 BE BE2/59164A patent/BE888842A/nl not_active IP Right Cessation
- 1981-05-19 PT PT73053A patent/PT73053B/pt not_active IP Right Cessation
- 1981-05-19 NO NO811697A patent/NO151648C/no unknown
- 1981-05-19 HU HU811441A patent/HU184438B/hu not_active IP Right Cessation
- 1981-05-19 SE SE8103139A patent/SE446625B/sv not_active IP Right Cessation
- 1981-05-19 CS CS813720A patent/CS259506B2/cs unknown
- 1981-05-19 FI FI811539A patent/FI71721C/fi not_active IP Right Cessation
- 1981-05-19 MX MX187383A patent/MX160067A/es unknown
- 1981-05-20 PL PL1981231271A patent/PL134458B1/pl unknown
- 1981-05-20 BR BR8103139A patent/BR8103139A/pt not_active IP Right Cessation
- 1981-05-20 DD DD81230122A patent/DD159040A5/de not_active IP Right Cessation
- 1981-05-20 BG BG52155A patent/BG49613A3/xx unknown
- 1981-05-20 TR TR21674A patent/TR21674A/xx unknown
- 1981-05-20 EG EG283/81A patent/EG15440A/xx active
- 1981-05-20 ES ES502903A patent/ES502903A0/es active Granted
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