ATE511504T1 - Verfahren zur herstellung von hochreinem melamin aus harnstoff - Google Patents

Verfahren zur herstellung von hochreinem melamin aus harnstoff

Info

Publication number
ATE511504T1
ATE511504T1 AT09716759T AT09716759T ATE511504T1 AT E511504 T1 ATE511504 T1 AT E511504T1 AT 09716759 T AT09716759 T AT 09716759T AT 09716759 T AT09716759 T AT 09716759T AT E511504 T1 ATE511504 T1 AT E511504T1
Authority
AT
Austria
Prior art keywords
melamine
obtaining
polycondensates
ammeline
ammelide
Prior art date
Application number
AT09716759T
Other languages
English (en)
Inventor
Giancarlo Sioli
Original Assignee
Urea Casale Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39473225&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE511504(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Urea Casale Sa filed Critical Urea Casale Sa
Application granted granted Critical
Publication of ATE511504T1 publication Critical patent/ATE511504T1/de

Links

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
    • C07D251/62—Purification of melamine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/006—Baffles
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1862—Stationary reactors having moving elements inside placed in series
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • 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
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00083—Coils
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles
    • B01J2219/00765—Baffles attached to the reactor wall
    • B01J2219/00768—Baffles attached to the reactor wall vertical
    • 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
    • C07D251/42—One nitrogen atom
    • C07D251/46—One nitrogen atom with oxygen or sulfur atoms attached to the two other ring carbon atoms
    • 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
    • C07D251/48—Two nitrogen atoms
    • C07D251/52—Two nitrogen atoms with an oxygen or sulfur atom attached to the third ring carbon atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
AT09716759T 2008-03-04 2009-02-24 Verfahren zur herstellung von hochreinem melamin aus harnstoff ATE511504T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08004013A EP2098516A1 (de) 2008-03-04 2008-03-04 Verfahren zur Herstellung hochreinen Melamins aus Harnstoff
PCT/EP2009/001294 WO2009109314A1 (en) 2008-03-04 2009-02-24 Process for the production of high purity melamine from urea

Publications (1)

Publication Number Publication Date
ATE511504T1 true ATE511504T1 (de) 2011-06-15

Family

ID=39473225

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09716759T ATE511504T1 (de) 2008-03-04 2009-02-24 Verfahren zur herstellung von hochreinem melamin aus harnstoff

Country Status (15)

Country Link
US (2) US9073877B2 (de)
EP (2) EP2098516A1 (de)
JP (1) JP5612488B2 (de)
KR (1) KR101582307B1 (de)
CN (2) CN101959869B (de)
AT (1) ATE511504T1 (de)
AU (1) AU2009221276B2 (de)
BR (1) BRPI0909420B1 (de)
CA (1) CA2716505C (de)
DK (1) DK2254874T3 (de)
ES (1) ES2367411T3 (de)
PL (1) PL2254874T3 (de)
RU (1) RU2515885C2 (de)
SA (1) SA109300154B1 (de)
WO (1) WO2009109314A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2308856A1 (de) 2009-10-09 2011-04-13 Borealis Agrolinz Melamine GmbH Wasserrecycling in einem Melaminherstellungsprozess
CN103102319B (zh) * 2011-11-11 2016-02-24 北京勤邦生物技术有限公司 三聚氰胺半抗原及其制备方法和应用
CN102908802A (zh) * 2012-11-07 2013-02-06 袁哲 一种新型三聚氰胺干捕器
EP2907567A1 (de) * 2014-02-18 2015-08-19 Casale Sa Kombinierter Reaktor für Hochdrucksynthese von Melamin
CN107108331A (zh) * 2014-12-26 2017-08-29 旭硝子株式会社 玻璃以及化学强化玻璃
SG11201706055UA (en) * 2015-03-31 2017-10-30 Prime Polymer Co Ltd Polypropylene resin composition and manufacturing method therefor, biaxially-stretched film and manufacturing method therefor, and capacitor film for film condenser
CN105289721B (zh) * 2015-10-15 2018-01-02 广东工业大学 一种制备能降解多种染料的蜜勒胺的方法
EP3272743A1 (de) 2016-07-22 2018-01-24 Casale SA Verfahren zur reinigung von melamin
IT201700014505A1 (it) * 2017-02-09 2018-08-09 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Apparato di cristallizzazione di melammina e impianto di melammina impiegante lo stesso
AU2019212000B2 (en) 2018-01-26 2024-10-31 Casale Sa Plant for the synthesis of melamine with offgas recovery in a tied-in urea plant
CN108465288A (zh) * 2018-05-07 2018-08-31 河南省中原大化集团有限责任公司 一种物料之间热能交换装置及应用方法
IT201800005382A1 (it) * 2018-05-15 2019-11-15 Procedimento e dispositivo per separare cristalli di melammina in un processo di produzione di melammina da urea
IT201800007367A1 (it) * 2018-07-20 2020-01-20 Procedimento a basso consumo energetico e ridotto consumo di ammoniaca per la produzione di melammina a elevata purezza tramite pirolisi dell’urea, e relativo impianto
CN113663606A (zh) * 2021-08-06 2021-11-19 四川金象赛瑞化工股份有限公司 一种单氰胺二聚反应器及其工艺
CN114100494B (zh) * 2021-11-08 2023-07-04 江西睿达新能源科技有限公司 一种三元前驱体的生产设备及生产工艺
CN120379974A (zh) 2022-11-22 2025-07-25 斯塔米卡邦有限公司 带三聚氰胺尾气冷凝器的尿素三聚氰胺装置
CN118341113B (zh) * 2024-05-22 2026-04-17 东营市赫邦化工有限公司 基于盐酸羟胺母液设计的结晶设备
EP4717692A1 (de) 2024-09-26 2026-04-01 Casale Sa Verfahren zur herstellung von melamin durch harnstoffpyrolyse

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161638A (en) 1964-12-15 Filter
US3161368A (en) 1962-10-18 1964-12-15 Inta Roto Machine Company Inc Butt splicer
US3637686A (en) * 1969-02-10 1972-01-25 Nissan Chemical Ind Ltd Process for recovering purified melamine
JPS5679678A (en) * 1979-12-04 1981-06-30 Mitsui Toatsu Chem Inc Utilization and recovery of ammelide and ammeline
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.
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
CA2201224C (en) * 1997-03-27 2004-12-07 Annette Lynn Burke Dual shear mixing element
JPH11209353A (ja) * 1998-01-23 1999-08-03 Nissan Chem Ind Ltd メラミン工程廃液からのメラミン、アンメリン及びアンメリドの回収方法
AU767818B2 (en) * 1998-11-13 2003-11-27 Agrolinz Melamin Gmbh Method for producing pure melamine
RO120071B1 (ro) * 1998-12-23 2005-08-30 Agrolinz Melamin Gmbh Procedeu de purificare a melaminei
IT1315255B1 (it) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing Procedimento di purificazione della melammina.
EP1138676A1 (de) * 2000-03-27 2001-10-04 Casale Chemicals SA Verfahren zur Herstellung von Melamin hoher Reinheit
AT410210B (de) * 2000-08-07 2003-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
EP1188751A1 (de) * 2000-09-13 2002-03-20 Casale Chemicals SA Verfahren zur Herstellung von von hochreinem Melamin aus Harnstoff
ITMI20011216A1 (it) * 2001-06-08 2002-12-08 Eurotecnica Dev And Licensing Procedimento migliorato per la produzione con alte rese di melanina
AU2002351684B2 (en) * 2001-11-16 2008-02-07 Ami-Agrolinz Melamine International Gmbh Method for producing melem-free melamine and quenching agents
CN1902163B (zh) * 2004-02-20 2010-05-26 乌里阿·卡萨勒有限公司 尿素和三聚氰胺生产的集成工艺
DE102004018784A1 (de) * 2004-04-14 2005-11-03 Ami-Agrolinz Melamine International Gmbh Verfahren zur Herstellung von reinem Melamin
AT414239B (de) * 2004-07-29 2006-10-15 Ami Agrolinz Melamine Int Gmbh Hochdruckverfahren zur herstellung von reinem melamin

Also Published As

Publication number Publication date
CN102850286A (zh) 2013-01-02
KR101582307B1 (ko) 2016-01-04
RU2010140444A (ru) 2012-04-10
US20130028800A1 (en) 2013-01-31
CN101959869B (zh) 2013-03-27
CA2716505A1 (en) 2009-09-11
EP2098516A1 (de) 2009-09-09
KR20100123752A (ko) 2010-11-24
CN102850286B (zh) 2015-01-14
AU2009221276A1 (en) 2009-09-11
BRPI0909420B1 (pt) 2019-10-15
AU2009221276B2 (en) 2012-11-15
BRPI0909420A2 (pt) 2019-02-26
WO2009109314A1 (en) 2009-09-11
SA109300154B1 (ar) 2012-01-24
DK2254874T3 (da) 2011-09-19
RU2515885C2 (ru) 2014-05-20
EP2254874B1 (de) 2011-06-01
ES2367411T3 (es) 2011-11-03
PL2254874T3 (pl) 2011-10-31
US20110003990A1 (en) 2011-01-06
CN101959869A (zh) 2011-01-26
JP5612488B2 (ja) 2014-10-22
CA2716505C (en) 2016-06-21
EP2254874A1 (de) 2010-12-01
JP2011513348A (ja) 2011-04-28
US9045439B2 (en) 2015-06-02
US9073877B2 (en) 2015-07-07

Similar Documents

Publication Publication Date Title
DK2254874T3 (da) Fremgangsmåde til fremstilling af melamin med høj renhed fra urinstof
TWI686379B (zh) 甲硫胺酸之製造方法
ATE528277T1 (de) Herstellungsverfahren für xylylendiamin
RU2011116898A (ru) Способ получения высокочистого меламина с низким расходом энергии посредством пиролиза мочевины и оборудование для осуществления этого способа
US20150344318A1 (en) Recyling method of pure ammonium sulfate aqueous solution
US9206140B2 (en) Water recycling in a melamine production process
MY144012A (en) Process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process
MY209861A (en) Process for producing biuret from urea
RU2007130685A (ru) Способ и устройства для получения биурета и циануровой кислоты
RU2006134260A (ru) Способ производства чистого меламина
SG130108A1 (en) Method of producing high-purity hydroxypivalaldehyde and/or dimer thereof
ITMI992388A1 (it) Procedimento di purificazione della melammina
EP3064475B1 (de) Verfahren zur behandlung von abwasser aus einer melaminherstellung
CN103130671A (zh) 一种清洁的甲基丙烯酰胺的制备和提纯方法
TW200745064A (en) Improved process for the production of melamine with an increased yield
WO2010050668A3 (ko) Ｃｕ（ＮＨ₃）₄Ｃｌ₂ 함유 폐액으로부터 극미량의 염소를 함유하는 고순도의 산화동을 제조하는 방법
JP7085570B2 (ja) メチオニンの製造方法
RU2783419C9 (ru) Применение мочевины, содержащей формальдегид, в способе получения меламина пиролизом мочевины и родственный способ получения меламина
RU2783419C2 (ru) Применение мочевины, содержащей формальдегид, в способе получения меламина пиролизом мочевины и родственный способ получения меламина
RU2705414C2 (ru) Применение мочевины, содержащей формальдегид, в способе получения меламина пиролизом мочевины и родственный способ получения меламина
RU2495876C1 (ru) Способ очистки меламина
RU2012134943A (ru) Способ получения гранулированного минерального удобрения
RU2417992C2 (ru) Способ получения меламина и способ удаления растворенных газов из водного раствора неочищенного меламина
CN102115191A (zh) 一种用生产对苯二酚所产生的含锰废液制造氢氧化锰联产硫酸钠和氨水的方法
CN102115059A (zh) 一种用生产对苯二酚所产生的含锰废液制造磷酸锰联产硫酸铵和磷酸的方法

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 2254874

Country of ref document: EP