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

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/62Purification of melamine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0004Crystallisation cooling by heat exchange
    • B01D9/0013Crystallisation cooling by heat exchange by indirect heat exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/006Baffles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1862Stationary reactors having moving elements inside placed in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1868Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation of melamine from urea or from carbon dioxide and ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00083Coils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761Details of the reactor
    • B01J2219/00763Baffles
    • B01J2219/00765Baffles attached to the reactor wall
    • B01J2219/00768Baffles attached to the reactor wall vertical
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/42One nitrogen atom
    • C07D251/46One nitrogen atom with oxygen or sulfur atoms attached to the two other ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/48Two nitrogen atoms
    • C07D251/52Two 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) CN102850286B (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
WO2016104446A1 (ja) * 2014-12-26 2016-06-30 旭硝子株式会社 ガラス及び化学強化ガラス
EP3279224A4 (de) * 2015-03-31 2018-09-26 Prime Polymer Co., Ltd. Polypropylenharzzusammensetzung und herstellungsverfahren dafür, biaxal gestreckter film und herstellungsverfahren dafür und kondensatorfilm für filmkondensator
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
RU2771242C2 (ru) 2018-01-26 2022-04-28 Касале Са Установка синтеза меламина с использованием отходящего газа в присоединенной установке синтеза мочевины
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
EP4605381A1 (de) 2022-11-22 2025-08-27 Stamicarbon B.V. Gekoppelte harnstoffmelaminanlage
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
CZ20011625A3 (cs) * 1998-11-13 2001-08-15 Agrolinz Melamin Gmbh Způsob výroby čistého melaminu
BR9916562A (pt) * 1998-12-23 2001-10-09 Agrolinz Melamin Gmbh Processo para purificação de melamina
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
PL209035B1 (pl) * 2001-11-16 2011-07-29 Ami Agrolinz Melamine Int Gmbh Sposób wytwarzania melaminy pozbawionej melemu oraz bezprzeponowa chłodnica do stosowania tego sposobu
EP1716111B2 (de) * 2004-02-20 2022-06-08 Casale Sa Integriertes verfahren zur herstellung von harnstoff und melamin
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
SA109300154B1 (ar) 2012-01-24
CN101959869A (zh) 2011-01-26
JP2011513348A (ja) 2011-04-28
US9073877B2 (en) 2015-07-07
CN102850286A (zh) 2013-01-02
KR101582307B1 (ko) 2016-01-04
US20110003990A1 (en) 2011-01-06
PL2254874T3 (pl) 2011-10-31
EP2254874B1 (de) 2011-06-01
US9045439B2 (en) 2015-06-02
JP5612488B2 (ja) 2014-10-22
RU2515885C2 (ru) 2014-05-20
WO2009109314A1 (en) 2009-09-11
CA2716505C (en) 2016-06-21
AU2009221276A1 (en) 2009-09-11
EP2254874A1 (de) 2010-12-01
EP2098516A1 (de) 2009-09-09
ES2367411T3 (es) 2011-11-03
KR20100123752A (ko) 2010-11-24
DK2254874T3 (da) 2011-09-19
CA2716505A1 (en) 2009-09-11
BRPI0909420B1 (pt) 2019-10-15
CN102850286B (zh) 2015-01-14
US20130028800A1 (en) 2013-01-31
RU2010140444A (ru) 2012-04-10
CN101959869B (zh) 2013-03-27
AU2009221276B2 (en) 2012-11-15
BRPI0909420A2 (pt) 2019-02-26

Similar Documents

Publication Publication Date Title
ATE511504T1 (de) Verfahren zur herstellung von hochreinem melamin aus harnstoff
TWI686379B (zh) 甲硫胺酸之製造方法
ATE528277T1 (de) Herstellungsverfahren für xylylendiamin
MY169253A (en) Low-energy-consumption process for the production of high-purity melamine, through the pyrolysis of urea, and relative equipment
US20150344318A1 (en) Recyling method of pure ammonium sulfate aqueous solution
US9206140B2 (en) Water recycling in a melamine production process
CN105492618A (zh) 2,5-呋喃二羧酸的制备方法
MY144012A (en) Process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process
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
MY209861A (en) Process for producing biuret from urea
ITMI992388A1 (it) Procedimento di purificazione della melammina
EP3064475B1 (de) Verfahren zur behandlung von abwasser aus einer melaminherstellung
CN103130671B (zh) 一种清洁的甲基丙烯酰胺的制备和提纯方法
KR20110013420A (ko) 2,4,6-트리머캅토-s-트리아진의 3나트륨 염을 제조하는 방법
WO2010050668A3 (ko) Cu(NH₃)₄Cl₂ 함유 폐액으로부터 극미량의 염소를 함유하는 고순도의 산화동을 제조하는 방법
WO2007119156A2 (en) Improved process for the production of melamine with an increased yield
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
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