BR8500032A - Processo continuo e sistema de instalacao para producao de melamina - Google Patents

Processo continuo e sistema de instalacao para producao de melamina

Info

Publication number
BR8500032A
BR8500032A BR8500032A BR8500032A BR8500032A BR 8500032 A BR8500032 A BR 8500032A BR 8500032 A BR8500032 A BR 8500032A BR 8500032 A BR8500032 A BR 8500032A BR 8500032 A BR8500032 A BR 8500032A
Authority
BR
Brazil
Prior art keywords
melamine
production
continuous process
installation system
installation
Prior art date
Application number
BR8500032A
Other languages
English (en)
Inventor
Roger Edward Thomas
David Edward Best
Original Assignee
Melamine Chemicals Inc
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 Melamine Chemicals Inc filed Critical Melamine Chemicals Inc
Publication of BR8500032A publication Critical patent/BR8500032A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • B01J3/042—Pressure vessels, e.g. autoclaves in the form of a tube
    • 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
BR8500032A 1984-01-05 1985-01-04 Processo continuo e sistema de instalacao para producao de melamina BR8500032A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56840884A 1984-01-05 1984-01-05

Publications (1)

Publication Number Publication Date
BR8500032A true BR8500032A (pt) 1985-08-13

Family

ID=24271166

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8500032A BR8500032A (pt) 1984-01-05 1985-01-04 Processo continuo e sistema de instalacao para producao de melamina

Country Status (16)

Country Link
JP (2) JPS60208970A (pt)
KR (1) KR920001740B1 (pt)
AT (1) AT393124B (pt)
AU (1) AU568469B2 (pt)
BR (1) BR8500032A (pt)
CA (1) CA1220476A (pt)
EG (1) EG16900A (pt)
ES (1) ES8606303A1 (pt)
FR (1) FR2557876B1 (pt)
GB (1) GB2152505B (pt)
IE (1) IE57911B1 (pt)
IT (1) IT1188084B (pt)
MX (1) MX164901B (pt)
NL (1) NL193832C (pt)
NO (1) NO176795C (pt)
NZ (1) NZ210678A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514796A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process
NL1002669C2 (nl) * 1996-03-21 1997-09-23 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1003105C2 (nl) * 1996-05-14 1997-11-18 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1003328C2 (nl) * 1996-06-13 1997-12-17 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003709C2 (nl) * 1996-07-30 1998-02-05 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1004814C2 (nl) * 1996-12-18 1998-06-19 Dsm Nv Werkwijze voor het bereiden van melamine.
WO1998027071A1 (en) * 1996-12-16 1998-06-25 Dsm N.V. Method for the preparation of melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670286A1 (de) * 1967-11-11 1971-01-28 Basf Ag Verfahren zur Aufarbeitung der bei der Melaminsynthese anfallenden Abgase
GB1218522A (en) * 1969-01-24 1971-01-06 Nissan Chemical Ind Ltd A process for recovering the purified melamine
NL7903473A (nl) * 1979-05-03 1980-11-05 Stamicarbon Werkwijze voor het bereiden van melamine.
NL8201479A (nl) * 1982-04-07 1983-11-01 Stamicarbon Werkwijze voor het bereiden van melamine.

Also Published As

Publication number Publication date
MX164901B (es) 1992-09-30
KR920001740B1 (ko) 1992-02-24
GB2152505B (en) 1987-07-29
NL193832B (nl) 2000-08-01
AT393124B (de) 1991-08-26
IE843247L (en) 1985-07-05
JPH0557984B2 (pt) 1993-08-25
ATA2185A (de) 1991-01-15
CA1220476A (en) 1987-04-14
FR2557876B1 (fr) 1991-04-19
EG16900A (en) 1990-10-30
JP2757163B2 (ja) 1998-05-25
KR850005425A (ko) 1985-08-26
JPH0925271A (ja) 1997-01-28
IT8583302A0 (it) 1985-01-04
AU568469B2 (en) 1987-12-24
JPS60208970A (ja) 1985-10-21
IE57911B1 (en) 1993-05-19
NL8403843A (nl) 1985-08-01
GB8500197D0 (en) 1985-02-13
ES8606303A1 (es) 1986-04-16
NO176795C (no) 1995-05-31
IT1188084B (it) 1987-12-30
FR2557876A1 (fr) 1985-07-12
NZ210678A (en) 1987-03-06
ES539126A0 (es) 1986-04-16
AU3737685A (en) 1985-07-18
GB2152505A (en) 1985-08-07
NO845248L (no) 1985-07-08
NL193832C (nl) 2000-12-04
NO176795B (no) 1995-02-20

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Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FG Letter patent granted
TE Change of address
PC Transfer

Free format text: DSM MELAMINE B.V. (NL)

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 04/01/2000