CN101691361B - 改进的蜜胺纯化方法及相关设备 - Google Patents
改进的蜜胺纯化方法及相关设备 Download PDFInfo
- Publication number
- CN101691361B CN101691361B CN2009101497650A CN200910149765A CN101691361B CN 101691361 B CN101691361 B CN 101691361B CN 2009101497650 A CN2009101497650 A CN 2009101497650A CN 200910149765 A CN200910149765 A CN 200910149765A CN 101691361 B CN101691361 B CN 101691361B
- Authority
- CN
- China
- Prior art keywords
- solution
- melamine
- leaves
- weight
- polycondensate
- 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.)
- Active
Links
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 80
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000000746 purification Methods 0.000 title claims abstract description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 31
- 239000012535 impurity Substances 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 239000000047 product Substances 0.000 claims abstract description 11
- 239000006227 byproduct Substances 0.000 claims abstract description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004202 carbamide Substances 0.000 claims abstract description 9
- 239000011949 solid catalyst Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000003197 catalytic effect Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 42
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 241001550224 Apha Species 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010413 mother solution Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- YZEZMSPGIPTEBA-UHFFFAOYSA-N 2-n-(4,6-diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine Chemical group NC1=NC(N)=NC(NC=2N=C(N)N=C(N)N=2)=N1 YZEZMSPGIPTEBA-UHFFFAOYSA-N 0.000 description 1
- MASBWURJQFFLOO-UHFFFAOYSA-N ammeline Chemical compound NC1=NC(N)=NC(O)=N1 MASBWURJQFFLOO-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- -1 melamine compound Chemical class 0.000 description 1
- YSRVJVDFHZYRPA-UHFFFAOYSA-N melem Chemical compound NC1=NC(N23)=NC(N)=NC2=NC(N)=NC3=N1 YSRVJVDFHZYRPA-UHFFFAOYSA-N 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
-
- 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
- C07D251/62—Purification of melamine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (26)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000861A ITMI20080861A1 (it) | 2008-05-13 | 2008-05-13 | Processo migliorato per la purificazione della melammina e relativa apparecchiatura |
ITMI2008A000861 | 2008-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101691361A CN101691361A (zh) | 2010-04-07 |
CN101691361B true CN101691361B (zh) | 2012-12-19 |
Family
ID=40302731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101497650A Active CN101691361B (zh) | 2008-05-13 | 2009-05-12 | 改进的蜜胺纯化方法及相关设备 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8198439B2 (zh) |
EP (1) | EP2119711B1 (zh) |
CN (1) | CN101691361B (zh) |
AT (1) | ATE519753T1 (zh) |
ES (1) | ES2367686T3 (zh) |
IT (1) | ITMI20080861A1 (zh) |
MY (1) | MY154928A (zh) |
PL (1) | PL2119711T3 (zh) |
RU (1) | RU2497814C2 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2495876C1 (ru) * | 2012-09-10 | 2013-10-20 | Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) | Способ очистки меламина |
CN105903260A (zh) * | 2015-02-20 | 2016-08-31 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 三聚氰胺生产装置中三聚氰胺溶液的过滤和脱色组件和方法和使用其的三聚氰胺生产装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1171102A (zh) * | 1994-12-23 | 1998-01-21 | 阿格罗林茨蜜胺有限公司 | 高纯蜜胺的制备方法 |
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 |
CN1942453A (zh) * | 2004-04-14 | 2007-04-04 | Ami阿格罗林茨三聚氰胺国际有限公司 | 制造纯三聚氰胺的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161638A (en) * | 1964-12-15 | Filter | ||
DE1470032A1 (de) | 1961-12-01 | 1969-05-29 | Montedison Spa | Verfahren zur Gewinnung von Melamin |
US3296266A (en) | 1965-01-21 | 1967-01-03 | Allied Chem | Purification of melamine |
US3637686A (en) * | 1969-02-10 | 1972-01-25 | Nissan Chemical Ind Ltd | Process for recovering purified melamine |
NL8201479A (nl) * | 1982-04-07 | 1983-11-01 | Stamicarbon | Werkwijze voor het bereiden van melamine. |
IT1261841B (it) * | 1993-08-23 | 1996-06-03 | Conser Spa | Procedimento per la produzione di melammina ad alta purezza. |
US5384404A (en) * | 1993-11-05 | 1995-01-24 | Lee; Jing M. | Process for manufacturing melamine from urea |
AT410210B (de) * | 2000-08-07 | 2003-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von melamin |
ITMI20011216A1 (it) | 2001-06-08 | 2002-12-08 | Eurotecnica Dev And Licensing | Procedimento migliorato per la produzione con alte rese di melanina |
NL1021287C2 (nl) * | 2002-08-15 | 2004-02-17 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
US7153962B1 (en) | 2005-07-12 | 2006-12-26 | Casale Chemicals S.A. | Process for gently cooling and crystallizing melamine from a melamine melt or from the gaseous phase |
-
2008
- 2008-05-13 IT IT000861A patent/ITMI20080861A1/it unknown
-
2009
- 2009-05-11 MY MYPI20091904A patent/MY154928A/en unknown
- 2009-05-12 EP EP09160056A patent/EP2119711B1/en active Active
- 2009-05-12 PL PL09160056T patent/PL2119711T3/pl unknown
- 2009-05-12 ES ES09160056T patent/ES2367686T3/es active Active
- 2009-05-12 AT AT09160056T patent/ATE519753T1/de not_active IP Right Cessation
- 2009-05-12 CN CN2009101497650A patent/CN101691361B/zh active Active
- 2009-05-13 US US12/465,177 patent/US8198439B2/en active Active
- 2009-05-13 RU RU2009117758/04A patent/RU2497814C2/ru active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1171102A (zh) * | 1994-12-23 | 1998-01-21 | 阿格罗林茨蜜胺有限公司 | 高纯蜜胺的制备方法 |
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 |
CN1942453A (zh) * | 2004-04-14 | 2007-04-04 | Ami阿格罗林茨三聚氰胺国际有限公司 | 制造纯三聚氰胺的方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2119711A8 (en) | 2010-07-14 |
ITMI20080861A1 (it) | 2009-11-14 |
RU2497814C2 (ru) | 2013-11-10 |
ES2367686T3 (es) | 2011-11-07 |
RU2009117758A (ru) | 2010-11-20 |
CN101691361A (zh) | 2010-04-07 |
US20090286979A1 (en) | 2009-11-19 |
US8198439B2 (en) | 2012-06-12 |
EP2119711A1 (en) | 2009-11-18 |
ATE519753T1 (de) | 2011-08-15 |
MY154928A (en) | 2015-08-28 |
PL2119711T3 (pl) | 2012-01-31 |
EP2119711B1 (en) | 2011-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210415 Address after: Swiss Wollerau Patentee after: Ouji melamine Co.,Ltd. Address before: Itgen, Switzerland Patentee before: EUROTECNICA MELAMINE |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240108 Address after: Schwyz Switzerland Patentee after: Proman Ltd. Address before: Swiss Wollerau Patentee before: Ouji melamine Co.,Ltd. |