EG22361A - Melamine purification process - Google Patents

Melamine purification process

Info

Publication number
EG22361A
EG22361A EG20001421A EG20001421A EG22361A EG 22361 A EG22361 A EG 22361A EG 20001421 A EG20001421 A EG 20001421A EG 20001421 A EG20001421 A EG 20001421A EG 22361 A EG22361 A EG 22361A
Authority
EG
Egypt
Prior art keywords
purification process
melamine purification
melamine
purification
Prior art date
Application number
EG20001421A
Other languages
English (en)
Inventor
Sergio Noe
Original Assignee
Eurotecnica Dev & Licensing Sr
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 Dev & Licensing Sr filed Critical Eurotecnica Dev & Licensing Sr
Application granted granted Critical
Publication of EG22361A publication Critical patent/EG22361A/xx

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
EG20001421A 1999-11-16 2000-11-14 Melamine purification process EG22361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI002388A IT1315255B1 (it) 1999-11-16 1999-11-16 Procedimento di purificazione della melammina.

Publications (1)

Publication Number Publication Date
EG22361A true EG22361A (en) 2002-12-31

Family

ID=11383963

Family Applications (1)

Application Number Title Priority Date Filing Date
EG20001421A EG22361A (en) 1999-11-16 2000-11-14 Melamine purification process

Country Status (16)

Country Link
US (1) US6774234B1 (zh)
EP (1) EP1230226B1 (zh)
CN (1) CN1263747C (zh)
AR (1) AR026497A1 (zh)
AT (1) ATE424389T1 (zh)
AU (1) AU1883701A (zh)
DE (1) DE60041709D1 (zh)
EA (1) EA005007B1 (zh)
EG (1) EG22361A (zh)
ES (1) ES2323847T3 (zh)
IT (1) IT1315255B1 (zh)
MY (1) MY123710A (zh)
PL (1) PL200104B1 (zh)
SA (1) SA00210626B1 (zh)
TW (1) TW521074B (zh)
WO (1) WO2001036397A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030028020A1 (en) * 2001-07-27 2003-02-06 Gupta Ram B. Process for the synthesis of high purity melamine
BR0214215A (pt) 2001-11-16 2004-12-21 Ami Agrolinz Melamine Int Gmbh Processo para a preparação de melamina isenta de melem e agentes de resfriamento brusco
DE102006055571B4 (de) 2006-11-20 2018-09-27 Urea Casale S.A. Verfahren und Vorrichtung zur Aufarbeitung einer Melaminschmelze
EP2098516A1 (en) * 2008-03-04 2009-09-09 Urea Casale S.A. Process for the production of high purity melamine from urea
ITMI20080861A1 (it) 2008-05-13 2009-11-14 Eurotecnica Melamine Luxembourg Processo migliorato per la purificazione della melammina e relativa apparecchiatura
RU2417992C2 (ru) * 2009-07-20 2011-05-10 Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") Способ получения меламина и способ удаления растворенных газов из водного раствора неочищенного меламина
IT1403101B1 (it) * 2010-12-15 2013-10-04 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Uso di urea contenente formaldeide in un procedimento per la produzione di melammina mediante pirolisi dell'urea e relativo procedimento per la produzione di melammina
RU2495876C1 (ru) 2012-09-10 2013-10-20 Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) Способ очистки меламина
CN105709675B (zh) * 2014-12-11 2020-04-10 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 用于生产三聚氰胺的设备的后反应器及相关方法
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161638A (en) * 1964-12-15 Filter
NL161750C (nl) * 1968-11-16 1980-03-17 Stamicarbon Werkwijze voor het afscheiden van melamine uit een gasvormig reactiemengsel van melamine, ammoniak en kooldioxyde.
US3637686A (en) * 1969-02-10 1972-01-25 Nissan Chemical Ind Ltd Process for recovering purified melamine
NL8201479A (nl) * 1982-04-07 1983-11-01 Stamicarbon Werkwijze voor het bereiden van melamine.
NL9002606A (nl) * 1990-11-29 1992-06-16 Stamicarbon Proces voor de bereiding van melamine uit ureum.
IT1261841B (it) 1993-08-23 1996-06-03 Conser Spa Procedimento per la produzione di melammina ad alta purezza.
US5384404A (en) * 1993-11-05 1995-01-24 Lee; Jing M. Process for manufacturing melamine from urea
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AT402296B (de) * 1995-02-03 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
NL1010316C2 (nl) * 1998-10-14 1999-09-23 Dsm Nv Werkwijze voor de bereiding van melamine.

Also Published As

Publication number Publication date
TW521074B (en) 2003-02-21
US6774234B1 (en) 2004-08-10
ITMI992388A0 (it) 1999-11-16
EA200200570A1 (ru) 2002-12-26
PL355580A1 (en) 2004-05-04
ES2323847T3 (es) 2009-07-27
PL200104B1 (pl) 2008-12-31
EA005007B1 (ru) 2004-10-28
SA00210626B1 (ar) 2006-11-19
ITMI992388A1 (it) 2001-05-16
DE60041709D1 (de) 2009-04-16
CN1407974A (zh) 2003-04-02
ATE424389T1 (de) 2009-03-15
EP1230226B1 (en) 2009-03-04
CN1263747C (zh) 2006-07-12
MY123710A (en) 2006-05-31
AU1883701A (en) 2001-05-30
EP1230226A1 (en) 2002-08-14
WO2001036397A1 (en) 2001-05-25
IT1315255B1 (it) 2003-02-03
AR026497A1 (es) 2003-02-12

Similar Documents

Publication Publication Date Title
GB9928977D0 (en) Process
GB9928132D0 (en) Process
ZA200001033B (en) Ozone Purification Process.
GB9917851D0 (en) Process
EG22451A (en) Purification process
GB9926854D0 (en) Process
GB9924285D0 (en) Process
EG22361A (en) Melamine purification process
GB9926855D0 (en) Process
GB9905512D0 (en) Process
PL341712A1 (en) Tramadole purification process
GB9908814D0 (en) Process
GB9914209D0 (en) Process
GB9904162D0 (en) Process
GB9909749D0 (en) Purification method
GB9800657D0 (en) Improved purification process
GB9930599D0 (en) Process
GB9905418D0 (en) Process
GB9917330D0 (en) Process
GB9903087D0 (en) Process
GB9929081D0 (en) Purification process
GB9927206D0 (en) Purification process
GB9900192D0 (en) Purification process
GB9909973D0 (en) Process
GB9920937D0 (en) Process