CN102584729A - 包含甲醛的尿素在用于通过尿素热解生产三聚氰胺的方法中的用途以及生产三聚氰胺的相关方法 - Google Patents
包含甲醛的尿素在用于通过尿素热解生产三聚氰胺的方法中的用途以及生产三聚氰胺的相关方法 Download PDFInfo
- Publication number
- CN102584729A CN102584729A CN2011104187865A CN201110418786A CN102584729A CN 102584729 A CN102584729 A CN 102584729A CN 2011104187865 A CN2011104187865 A CN 2011104187865A CN 201110418786 A CN201110418786 A CN 201110418786A CN 102584729 A CN102584729 A CN 102584729A
- Authority
- CN
- China
- Prior art keywords
- urea
- formaldehyde
- trimeric cyanamide
- materials flow
- purposes
- 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.)
- Granted
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 239000004202 carbamide Substances 0.000 title claims abstract description 89
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 229920000877 Melamine resin Polymers 0.000 title abstract description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims description 55
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 50
- 239000000203 mixture Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 6
- 239000003337 fertilizer Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 239000012467 final product Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000009615 deamination Effects 0.000 description 3
- 238000006481 deamination reaction Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 150000001912 cyanamides Chemical class 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/56—Preparation of melamine
- C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI2010A002286A IT1403101B1 (it) | 2010-12-15 | 2010-12-15 | Uso di urea contenente formaldeide in un procedimento per la produzione di melammina mediante pirolisi dell'urea e relativo procedimento per la produzione di melammina |
ITMI2010A002286 | 2010-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102584729A true CN102584729A (zh) | 2012-07-18 |
CN102584729B CN102584729B (zh) | 2016-05-18 |
Family
ID=43736942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110418786.5A Active CN102584729B (zh) | 2010-12-15 | 2011-12-15 | 包含甲醛的尿素在用于通过尿素热解生产三聚氰胺的方法中的用途以及生产三聚氰胺的相关方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120157682A1 (zh) |
EP (1) | EP2465854B1 (zh) |
CN (1) | CN102584729B (zh) |
BR (1) | BRPI1105567B1 (zh) |
IT (1) | IT1403101B1 (zh) |
MY (1) | MY158304A (zh) |
PL (1) | PL2465854T3 (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161638A (en) * | 1964-12-15 | Filter | ||
GB1104398A (en) * | 1965-09-14 | 1968-02-28 | American Cyanamid Co | Production of melamine |
GB1216100A (en) * | 1967-07-19 | 1970-12-16 | Mitsui Toatsu Chemicals | Production of urea and melamine |
WO1998004533A1 (en) * | 1996-07-30 | 1998-02-05 | Dsm N.V. | Method for the preparation of melamine |
CN1261355A (zh) * | 1997-06-27 | 2000-07-26 | 欧洲技术发展及许可有限公司 | 蜜胺生产的方法和设备 |
CN1299353A (zh) * | 1998-05-12 | 2001-06-13 | Dsm有限公司 | 制备三聚氰胺的方法 |
CN1407974A (zh) * | 1999-11-16 | 2003-04-02 | 欧洲技术集团有限公司 | 三聚氰胺的纯化方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161368A (en) | 1962-10-18 | 1964-12-15 | Inta Roto Machine Company Inc | Butt splicer |
-
2010
- 2010-12-15 IT ITMI2010A002286A patent/IT1403101B1/it active
-
2011
- 2011-11-16 US US13/297,491 patent/US20120157682A1/en not_active Abandoned
- 2011-12-12 PL PL11192943T patent/PL2465854T3/pl unknown
- 2011-12-12 EP EP11192943.6A patent/EP2465854B1/en active Active
- 2011-12-13 MY MYPI2011006050A patent/MY158304A/en unknown
- 2011-12-14 BR BRPI1105567-7A patent/BRPI1105567B1/pt active IP Right Grant
- 2011-12-15 CN CN201110418786.5A patent/CN102584729B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161638A (en) * | 1964-12-15 | Filter | ||
GB1104398A (en) * | 1965-09-14 | 1968-02-28 | American Cyanamid Co | Production of melamine |
GB1216100A (en) * | 1967-07-19 | 1970-12-16 | Mitsui Toatsu Chemicals | Production of urea and melamine |
WO1998004533A1 (en) * | 1996-07-30 | 1998-02-05 | Dsm N.V. | Method for the preparation of melamine |
CN1230952A (zh) * | 1996-07-30 | 1999-10-06 | Dsm有限公司 | 制备三聚氰胺的方法 |
CN1261355A (zh) * | 1997-06-27 | 2000-07-26 | 欧洲技术发展及许可有限公司 | 蜜胺生产的方法和设备 |
CN1299353A (zh) * | 1998-05-12 | 2001-06-13 | Dsm有限公司 | 制备三聚氰胺的方法 |
CN1407974A (zh) * | 1999-11-16 | 2003-04-02 | 欧洲技术集团有限公司 | 三聚氰胺的纯化方法 |
Non-Patent Citations (2)
Title |
---|
宣凤琴: "改进农用尿素产品质量的若干措施", 《安徽化工》 * |
赵洪明: "生产中影响三聚氰胺收率的因素", 《河北化工》 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI1105567A2 (pt) | 2013-04-09 |
MY158304A (en) | 2016-09-30 |
PL2465854T3 (pl) | 2014-02-28 |
BRPI1105567B1 (pt) | 2018-04-03 |
ITMI20102286A1 (it) | 2012-06-16 |
RU2011150663A (ru) | 2013-06-20 |
US20120157682A1 (en) | 2012-06-21 |
EP2465854B1 (en) | 2013-11-13 |
RU2705414C2 (ru) | 2019-11-08 |
EP2465854A1 (en) | 2012-06-20 |
IT1403101B1 (it) | 2013-10-04 |
CN102584729B (zh) | 2016-05-18 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210414 Address after: Swiss Wollerau Patentee after: Ouji melamine Co.,Ltd. Address before: Itgen, Switzerland Patentee before: EUROTECNICA MELAMINE |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231227 Address after: Schwyz Switzerland Patentee after: Proman Ltd. Address before: Swiss Wollerau Patentee before: Ouji melamine Co.,Ltd. |
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TR01 | Transfer of patent right |