NL2017130B1 - Process for the production of melamine with separation and recovery of high-purity co2 and nh3 - Google Patents

Process for the production of melamine with separation and recovery of high-purity co2 and nh3 Download PDF

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Publication number
NL2017130B1
NL2017130B1 NL2017130A NL2017130A NL2017130B1 NL 2017130 B1 NL2017130 B1 NL 2017130B1 NL 2017130 A NL2017130 A NL 2017130A NL 2017130 A NL2017130 A NL 2017130A NL 2017130 B1 NL2017130 B1 NL 2017130B1
Authority
NL
Netherlands
Prior art keywords
stream
melamine
ammonia
aqueous
separation
Prior art date
Application number
NL2017130A
Other languages
English (en)
Dutch (nl)
Other versions
NL2017130A (en
Inventor
Bogotto Mattia
Merelli Giuseppe
Santucci Roberto
Original Assignee
Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen
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
Application filed by Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen filed Critical Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen
Publication of NL2017130A publication Critical patent/NL2017130A/en
Application granted granted Critical
Publication of NL2017130B1 publication Critical patent/NL2017130B1/nl

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40—Extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/50—Carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/024—Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/08—Preparation of ammonia from nitrogenous organic substances
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL2017130A 2015-07-17 2016-07-08 Process for the production of melamine with separation and recovery of high-purity co2 and nh3 NL2017130B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A002258A ITUB20152258A1 (it) 2015-07-17 2015-07-17 Procedimento per la produzione di melammina con separazione e recupero di CO2 e NH3 aventi elevata purezza

Publications (2)

Publication Number Publication Date
NL2017130A NL2017130A (en) 2017-01-19
NL2017130B1 true NL2017130B1 (en) 2018-04-16

Family

ID=54364492

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2017130A NL2017130B1 (en) 2015-07-17 2016-07-08 Process for the production of melamine with separation and recovery of high-purity co2 and nh3

Country Status (6)

Country Link
CN (2) CN106349174B (zh)
BR (1) BR102016016006B1 (zh)
DE (1) DE102016112944A1 (zh)
IT (1) ITUB20152258A1 (zh)
NL (1) NL2017130B1 (zh)
RU (1) RU2713178C2 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114590809B (zh) * 2022-01-06 2023-04-25 北京科技大学 一种氰胺废渣协同电石渣制备脱硫剂及回用co2的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239522A (en) * 1963-03-12 1966-03-08 Chemical Construction Corp Synthesis of urea and melamine
GB1148767A (en) * 1965-10-25 1969-04-16 Nissan Chemical Ind Ltd Process for the production of melamine
NL8200905A (nl) * 1982-03-05 1983-10-03 Stamicarbon Werkwijze voor het scheiden van ammoniak en kooldioxide uit mengsels van ammoniak, kooldioxide en water.
NL1010316C2 (nl) * 1998-10-14 1999-09-23 Dsm Nv Werkwijze voor de bereiding van melamine.
IT1315265B1 (it) * 1999-12-22 2003-02-03 Eurotecnica Dev And Licensing Processo per la produzione con altre rese di melammina ad elevatapurezza
ITMI20011216A1 (it) * 2001-06-08 2002-12-08 Eurotecnica Dev And Licensing Procedimento migliorato per la produzione con alte rese di melanina
ITMI20060759A1 (it) * 2006-04-14 2007-10-15 Eurotecnica Melamine Luxemburg Processo migliorato per la produzione di melammina con incremento di resa
CN100445243C (zh) * 2006-12-06 2008-12-24 湖南长岭石化科技开发有限公司 一种由粗苯生产苯系芳烃的方法
IT1387832B1 (it) * 2008-06-27 2011-05-03 Eurotecnica Melamine Luxembourg Procedimento per la produzione di melammina da urea con recupero separato ad alta purezza dei co-prodotti ammoniaca ed anidride carbonica
EP2308856A1 (en) * 2009-10-09 2011-04-13 Borealis Agrolinz Melamine GmbH Water recycling in a melamine production process
IT1400090B1 (it) * 2010-05-06 2013-05-17 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento a basso consumo energetico per la produzione di melammina ad elevata purezza tramite pirolisi dell'urea, e relativa apparecchiatura
CN104744206B (zh) * 2013-12-30 2016-08-17 中国石油化工股份有限公司 从裂解汽油c8馏分中萃取蒸馏回收苯乙烯的方法

Also Published As

Publication number Publication date
BR102016016006B1 (pt) 2021-06-08
DE102016112944A1 (de) 2017-01-19
CN106349174B (zh) 2021-10-15
BR102016016006A2 (pt) 2018-02-20
RU2713178C2 (ru) 2020-02-04
RU2016119933A3 (zh) 2019-09-18
ITUB20152258A1 (it) 2017-01-17
CN113234035A (zh) 2021-08-10
RU2016119933A (ru) 2017-11-29
CN106349174A (zh) 2017-01-25
NL2017130A (en) 2017-01-19

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Legal Events

Date Code Title Description
PD Change of ownership

Owner name: EUROTECNICA MELAMINE AG; CH

Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), CHANGE OF LEGAL ENTITY; FORMER OWNER NAME: EUROTECNICA MELAMINE, LUXEMBURG, ZWEIGNIEDERLASSUNG IN ITTIGEN

Effective date: 20210311

MM Lapsed because of non-payment of the annual fee

Effective date: 20220801