NO772331L - Fremgangsm}te for fremstilling av ureaform - Google Patents
Fremgangsm}te for fremstilling av ureaformInfo
- Publication number
- NO772331L NO772331L NO772331A NO772331A NO772331L NO 772331 L NO772331 L NO 772331L NO 772331 A NO772331 A NO 772331A NO 772331 A NO772331 A NO 772331A NO 772331 L NO772331 L NO 772331L
- Authority
- NO
- Norway
- Prior art keywords
- urea
- solution
- formaldehyde
- stated
- catalyst
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 32
- 239000004202 carbamide Substances 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract description 35
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 37
- 239000000243 solution Substances 0.000 claims description 26
- 239000002253 acid Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 22
- 230000005494 condensation Effects 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 19
- 239000003054 catalyst Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 8
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- ZNBNBTIDJSKEAM-UHFFFAOYSA-N 4-[7-hydroxy-2-[5-[5-[6-hydroxy-6-(hydroxymethyl)-3,5-dimethyloxan-2-yl]-3-methyloxolan-2-yl]-5-methyloxolan-2-yl]-2,8-dimethyl-1,10-dioxaspiro[4.5]decan-9-yl]-2-methyl-3-propanoyloxypentanoic acid Chemical compound C1C(O)C(C)C(C(C)C(OC(=O)CC)C(C)C(O)=O)OC11OC(C)(C2OC(C)(CC2)C2C(CC(O2)C2C(CC(C)C(O)(CO)O2)C)C)CC1 ZNBNBTIDJSKEAM-UHFFFAOYSA-N 0.000 claims description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910000378 hydroxylammonium sulfate Inorganic materials 0.000 claims description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims 1
- HYYHQASRTSDPOD-UHFFFAOYSA-N hydroxylamine;phosphoric acid Chemical compound ON.OP(O)(O)=O HYYHQASRTSDPOD-UHFFFAOYSA-N 0.000 claims 1
- 239000012089 stop solution Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- VGGLHLAESQEWCR-UHFFFAOYSA-N N-(hydroxymethyl)urea Chemical compound NC(=O)NCO VGGLHLAESQEWCR-UHFFFAOYSA-N 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- DSKJXGYAJJHDOE-UHFFFAOYSA-N methylideneurea Chemical compound NC(=O)N=C DSKJXGYAJJHDOE-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- QUBQYFYWUJJAAK-UHFFFAOYSA-N oxymethurea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 description 2
- 229950005308 oxymethurea Drugs 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NORSOBXRJTUXCY-UHFFFAOYSA-N Trimethylenetetraurea Chemical compound NC(=O)NCNC(=O)NCNC(=O)NCNC(N)=O NORSOBXRJTUXCY-UHFFFAOYSA-N 0.000 description 1
- DZHMRSPXDUUJER-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;dihydrogen phosphate Chemical compound NC(N)=O.OP(O)(O)=O DZHMRSPXDUUJER-UHFFFAOYSA-N 0.000 description 1
- SSBRSHIQIANGKS-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;hydrogen sulfate Chemical compound NC(N)=O.OS(O)(=O)=O SSBRSHIQIANGKS-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002443 hydroxylamines Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- KQVLODRFGIKJHZ-UHFFFAOYSA-N methylenediurea Chemical compound NC(=O)NCNC(N)=O KQVLODRFGIKJHZ-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Glanulating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27759/76A GB1564225A (en) | 1976-07-02 | 1976-07-02 | Preparation of ureaform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO772331L true NO772331L (no) | 1978-01-03 |
Family
ID=10264808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO772331A NO772331L (no) | 1976-07-02 | 1977-07-01 | Fremgangsm}te for fremstilling av ureaform |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4123570A (xx) |
| JP (1) | JPS5317161A (xx) |
| AT (1) | AT352154B (xx) |
| BE (1) | BE856346A (xx) |
| CA (1) | CA1089247A (xx) |
| DE (1) | DE2729442A1 (xx) |
| GB (1) | GB1564225A (xx) |
| NL (1) | NL7707313A (xx) |
| NO (1) | NO772331L (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034517B2 (ja) * | 1978-03-03 | 1985-08-09 | 宇部興産株式会社 | 流動層で尿素を造粒する方法 |
| US6306194B1 (en) | 1999-09-14 | 2001-10-23 | Georgia-Pacific Resins, Inc. | Controlled release urea-formaldehyde liquid fertilizer resins with high nitrogen levels |
| US6432156B1 (en) * | 1999-11-17 | 2002-08-13 | The Homestead Corp. | Method of coating materials and materials formed thereby |
| ITMI20011831A1 (it) * | 2001-08-30 | 2003-03-02 | Sadepan Chimica S R L | Procedimento per la produzione di fertilizzanti azoiati e complessi, anche con microelementi, in forma granulare sferica ad elevata omogenei |
| TWI352439B (en) * | 2007-09-21 | 2011-11-11 | Lite On Technology Corp | Light emitting diode packaging device, heat-dissip |
| US9296896B2 (en) * | 2010-11-23 | 2016-03-29 | Basf Se | Polyamides with nanoparticles on the surface |
| CN104247254A (zh) | 2012-02-24 | 2014-12-24 | 索尔维特殊聚合物美国有限责任公司 | 用于太阳能电池板的框架结构 |
| CN102963959B (zh) * | 2012-12-03 | 2013-11-13 | 北京师范大学 | 能够缓释氮和吸附-生物降解石油烃的微球颗粒制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA691577A (en) * | 1964-07-28 | A. Smith Joseph | Mixed fertilizers containing ureaform | |
| US2845401A (en) * | 1955-02-28 | 1958-07-29 | Allied Chem | Ureaform fertilizer |
| US3477842A (en) * | 1966-10-10 | 1969-11-11 | Chemical Construction Corp | Manufacture of free flowing fertilizer product by coating granules with urea-formaldehyde from an alkaline solution |
| US3635690A (en) * | 1968-05-16 | 1972-01-18 | Dow Chemical Co | Soil treating method and composition for conserving nitrogen in soil by addition of a pyrazole thereto |
| US3649598A (en) * | 1969-08-22 | 1972-03-14 | Sumitomo Chemical Co | Method for producing condensation products of urea and formaldehyde using sodium borate as an alkalizer |
-
1976
- 1976-07-02 GB GB27759/76A patent/GB1564225A/en not_active Expired
-
1977
- 1977-06-29 CA CA281,694A patent/CA1089247A/en not_active Expired
- 1977-06-29 DE DE19772729442 patent/DE2729442A1/de not_active Withdrawn
- 1977-06-29 AT AT463777A patent/AT352154B/de not_active IP Right Cessation
- 1977-06-29 US US05/811,434 patent/US4123570A/en not_active Expired - Lifetime
- 1977-07-01 NL NL7707313A patent/NL7707313A/xx not_active Application Discontinuation
- 1977-07-01 BE BE2056039A patent/BE856346A/xx unknown
- 1977-07-01 NO NO772331A patent/NO772331L/no unknown
- 1977-07-01 JP JP7796777A patent/JPS5317161A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ATA463777A (de) | 1979-02-15 |
| DE2729442A1 (de) | 1978-01-05 |
| CA1089247A (en) | 1980-11-11 |
| US4123570A (en) | 1978-10-31 |
| JPS5317161A (en) | 1978-02-16 |
| NL7707313A (nl) | 1978-01-04 |
| GB1564225A (en) | 1980-04-02 |
| BE856346A (nl) | 1978-01-02 |
| AT352154B (de) | 1979-09-10 |
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