IT202200004898A1 - Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea - Google Patents

Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea Download PDF

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Publication number
IT202200004898A1
IT202200004898A1 IT102022000004898A IT202200004898A IT202200004898A1 IT 202200004898 A1 IT202200004898 A1 IT 202200004898A1 IT 102022000004898 A IT102022000004898 A IT 102022000004898A IT 202200004898 A IT202200004898 A IT 202200004898A IT 202200004898 A1 IT202200004898 A1 IT 202200004898A1
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IT
Italy
Prior art keywords
urea
improved
production
energy consumption
high purity
Prior art date
Application number
IT102022000004898A
Other languages
English (en)
Inventor
Amicis Alberto De
Ruocco Giuseppe Di
Americo Florindi
Francesca Petrillo
Mattia Bogotto
Original Assignee
Eurotecnica Melamine Ag
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 Ag filed Critical Eurotecnica Melamine Ag
Priority to IT102022000004898A priority Critical patent/IT202200004898A1/it
Priority to EP22163423.1A priority patent/EP4245755A1/en
Priority to CN202210330084.XA priority patent/CN116789615A/zh
Publication of IT202200004898A1 publication Critical patent/IT202200004898A1/it

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    • 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
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/024—Purification

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT102022000004898A 2022-03-14 2022-03-14 Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea IT202200004898A1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT102022000004898A IT202200004898A1 (it) 2022-03-14 2022-03-14 Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea
EP22163423.1A EP4245755A1 (en) 2022-03-14 2022-03-22 Process for the production of high-purity melamine from urea pyrolysis, with reduced energy consumption and improved integration with the urea plant
CN202210330084.XA CN116789615A (zh) 2022-03-14 2022-03-28 能耗降低和与尿素设施的整合性改进的由尿素热解生产高纯度三聚氰胺的改进的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000004898A IT202200004898A1 (it) 2022-03-14 2022-03-14 Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea

Publications (1)

Publication Number Publication Date
IT202200004898A1 true IT202200004898A1 (it) 2023-09-14

Family

ID=80930235

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000004898A IT202200004898A1 (it) 2022-03-14 2022-03-14 Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea

Country Status (3)

Country Link
EP (1) EP4245755A1 (it)
CN (1) CN116789615A (it)
IT (1) IT202200004898A1 (it)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161638A (en) 1964-12-15 Filter
WO2002100839A1 (en) * 2001-06-08 2002-12-19 Eurotecnica Group S.A. (Swiss Branch) Improved procedure for the production of high-purity melamine with high yields
WO2003080584A1 (en) * 2002-03-25 2003-10-02 Eurotecnica Group S.A. Process for the production of melamine from urea, and particularly for the separation of melamine from off-gas
ITMI20081185A1 (it) * 2008-06-27 2009-12-28 Eurotecnica Melamine Luxembourg Procedimento per la produzione di melammina da urea con recupero separato ad alta purezza dei co-prodotti ammoniaca ed anidride carbonica
ITMI20082294A1 (it) * 2008-12-22 2010-06-23 Eurotecnica Melamine Luxemburg Zwe Igniederlassun Procedimento migliorato per la produzione di melammina ad elevata purezza mediante pirolisi dell'urea
EP2385043A1 (en) 2010-05-06 2011-11-09 EUROTECNICA MELAMINE, Luxembourg Zweigniederlassung in Ittigen Low-energy-consumption process for the production of high-purity melamine, through the pyrolysis of urea and relative equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161638A (en) 1964-12-15 Filter
WO2002100839A1 (en) * 2001-06-08 2002-12-19 Eurotecnica Group S.A. (Swiss Branch) Improved procedure for the production of high-purity melamine with high yields
US7125992B2 (en) 2001-06-08 2006-10-24 Eurotecnica Melamine Luxembourg Zweigniederlassung In Ittigen Procedure for the production of high-purity melamine with high yields
WO2003080584A1 (en) * 2002-03-25 2003-10-02 Eurotecnica Group S.A. Process for the production of melamine from urea, and particularly for the separation of melamine from off-gas
ITMI20081185A1 (it) * 2008-06-27 2009-12-28 Eurotecnica Melamine Luxembourg Procedimento per la produzione di melammina da urea con recupero separato ad alta purezza dei co-prodotti ammoniaca ed anidride carbonica
ITMI20082294A1 (it) * 2008-12-22 2010-06-23 Eurotecnica Melamine Luxemburg Zwe Igniederlassun Procedimento migliorato per la produzione di melammina ad elevata purezza mediante pirolisi dell'urea
EP2385043A1 (en) 2010-05-06 2011-11-09 EUROTECNICA MELAMINE, Luxembourg Zweigniederlassung in Ittigen Low-energy-consumption process for the production of high-purity melamine, through the pyrolysis of urea and relative equipment

Also Published As

Publication number Publication date
EP4245755A1 (en) 2023-09-20
CN116789615A (zh) 2023-09-22

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