RU2713178C2 - Способ получения меламина с разделением и выделением высокочистых CO2 и NH3 - Google Patents

Способ получения меламина с разделением и выделением высокочистых CO2 и NH3 Download PDF

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Publication number
RU2713178C2
RU2713178C2 RU2016119933A RU2016119933A RU2713178C2 RU 2713178 C2 RU2713178 C2 RU 2713178C2 RU 2016119933 A RU2016119933 A RU 2016119933A RU 2016119933 A RU2016119933 A RU 2016119933A RU 2713178 C2 RU2713178 C2 RU 2713178C2
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RU
Russia
Prior art keywords
stream
melamine
ammonia
aqueous
purity
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RU2016119933A
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English (en)
Russian (ru)
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RU2016119933A3 (zh
RU2016119933A (ru
Inventor
Маттиа БОГОТТО
Джузеппе МЕРЕЛЛИ
Роберто САНТУЧЧИ
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Эуротекника Меламине, Люксембург, Цвайгнидерлассунг ин Иттиген
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Publication of RU2016119933A publication Critical patent/RU2016119933A/ru
Publication of RU2016119933A3 publication Critical patent/RU2016119933A3/ru
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    • 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

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  • 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)
RU2016119933A 2015-07-17 2016-05-24 Способ получения меламина с разделением и выделением высокочистых CO2 и NH3 RU2713178C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102015000035627 2015-07-17
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 (3)

Publication Number Publication Date
RU2016119933A RU2016119933A (ru) 2017-11-29
RU2016119933A3 RU2016119933A3 (zh) 2019-09-18
RU2713178C2 true RU2713178C2 (ru) 2020-02-04

Family

ID=54364492

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016119933A RU2713178C2 (ru) 2015-07-17 2016-05-24 Способ получения меламина с разделением и выделением высокочистых CO2 и 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001046159A2 (en) * 1999-12-22 2001-06-28 Eurotecnica Group S.A. High yields, high purity melamine manufacturing process
EA003323B1 (ru) * 1998-10-14 2003-04-24 Дсм Н.В. Способ получения меламина
EA005993B1 (ru) * 2001-06-08 2005-08-25 Юротекника Груп С.А. (Свисс Бранч) Улучшенный способ получения меламина высокой чистоты с высоким выходом
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

Family Cites Families (8)

* 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.
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA003323B1 (ru) * 1998-10-14 2003-04-24 Дсм Н.В. Способ получения меламина
WO2001046159A2 (en) * 1999-12-22 2001-06-28 Eurotecnica Group S.A. High yields, high purity melamine manufacturing process
EA005993B1 (ru) * 2001-06-08 2005-08-25 Юротекника Груп С.А. (Свисс Бранч) Улучшенный способ получения меламина высокой чистоты с высоким выходом
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Правдин А. И. "Синтез меламина. Основные способы аппаратурного оформления производства", Успехи в химии и химической технологии, 2008, Т. 22, No. 2, С. 28-31. *

Also Published As

Publication number Publication date
BR102016016006B1 (pt) 2021-06-08
DE102016112944A1 (de) 2017-01-19
NL2017130B1 (en) 2018-04-16
CN106349174B (zh) 2021-10-15
BR102016016006A2 (pt) 2018-02-20
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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