CS241113B2 - Způsob výroby granulf močoviny - Google Patents
Způsob výroby granulf močoviny Download PDFInfo
- Publication number
- CS241113B2 CS241113B2 CS824946A CS494682A CS241113B2 CS 241113 B2 CS241113 B2 CS 241113B2 CS 824946 A CS824946 A CS 824946A CS 494682 A CS494682 A CS 494682A CS 241113 B2 CS241113 B2 CS 241113B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- urea
- granules
- melt
- solution
- water
- Prior art date
Links
- 239000004202 carbamide Substances 0.000 title claims abstract description 61
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 title claims description 22
- 239000008187 granular material Substances 0.000 claims abstract description 42
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 10
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000155 melt Substances 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000005469 granulation Methods 0.000 claims description 11
- 230000003179 granulation Effects 0.000 claims description 11
- 229910018404 Al2 O3 Inorganic materials 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 15
- 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 14
- 239000002426 superphosphate Substances 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007864 aqueous solution Substances 0.000 abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 13
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007858 starting material 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
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 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
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229940062672 calcium dihydrogen phosphate Drugs 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 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
- 239000000470 constituent Substances 0.000 description 1
- VNKAXDSVLOXIRE-UHFFFAOYSA-H dialuminum trisulfate heptadecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O VNKAXDSVLOXIRE-UHFFFAOYSA-H 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
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle 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
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
Classifications
-
- 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)
- Fertilizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8103210A NL8103210A (nl) | 1981-07-03 | 1981-07-03 | Werkwijze voor het maken van ureumkorrels. |
Publications (2)
Publication Number | Publication Date |
---|---|
CS494682A2 CS494682A2 (en) | 1985-06-13 |
CS241113B2 true CS241113B2 (cs) | 1986-03-13 |
Family
ID=19837742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS824946A CS241113B2 (cs) | 1981-07-03 | 1982-06-30 | Způsob výroby granulf močoviny |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5849683A (enrdf_load_stackoverflow) |
BE (1) | BE893717A (enrdf_load_stackoverflow) |
CS (1) | CS241113B2 (enrdf_load_stackoverflow) |
NL (1) | NL8103210A (enrdf_load_stackoverflow) |
ZA (1) | ZA824354B (enrdf_load_stackoverflow) |
Families Citing this family (2)
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. |
DE102015108344A1 (de) * | 2015-05-27 | 2016-12-01 | Thyssenkrupp Ag | Granulation von Ammoniumsulfat |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK531278A (da) * | 1977-12-22 | 1979-06-23 | Fisons Ltd | Middel til formindskelse af ammoniaktab ved anvendelse af urinstof som goedning |
-
1981
- 1981-07-03 NL NL8103210A patent/NL8103210A/nl not_active Application Discontinuation
-
1982
- 1982-06-21 ZA ZA824354A patent/ZA824354B/xx unknown
- 1982-06-30 CS CS824946A patent/CS241113B2/cs unknown
- 1982-07-01 BE BE2/59760A patent/BE893717A/nl not_active IP Right Cessation
- 1982-07-02 JP JP57114101A patent/JPS5849683A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5849683A (ja) | 1983-03-23 |
ZA824354B (en) | 1983-04-27 |
BE893717A (nl) | 1983-01-03 |
CS494682A2 (en) | 1985-06-13 |
NL8103210A (nl) | 1983-02-01 |
JPH0235714B2 (enrdf_load_stackoverflow) | 1990-08-13 |
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