JPH0557984B2 - - Google Patents

Info

Publication number
JPH0557984B2
JPH0557984B2 JP59282026A JP28202684A JPH0557984B2 JP H0557984 B2 JPH0557984 B2 JP H0557984B2 JP 59282026 A JP59282026 A JP 59282026A JP 28202684 A JP28202684 A JP 28202684A JP H0557984 B2 JPH0557984 B2 JP H0557984B2
Authority
JP
Japan
Prior art keywords
melamine
pressure
product
reactor
urea
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP59282026A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60208970A (ja
Inventor
Edowaado Toomasu Rojaa
Edowaado Besuto Dabitsudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Melamine Chemicals Inc
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 JPS60208970A publication Critical patent/JPS60208970A/ja
Publication of JPH0557984B2 publication Critical patent/JPH0557984B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP59282026A 1984-01-05 1984-12-29 尿素からメラミンを製造するためのプラントシステム Granted JPS60208970A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56840884A 1984-01-05 1984-01-05
US568408 1984-01-05

Publications (2)

Publication Number Publication Date
JPS60208970A JPS60208970A (ja) 1985-10-21
JPH0557984B2 true JPH0557984B2 (en, 2012) 1993-08-25

Family

ID=24271166

Family Applications (2)

Application Number Title Priority Date Filing Date
JP59282026A Granted JPS60208970A (ja) 1984-01-05 1984-12-29 尿素からメラミンを製造するためのプラントシステム
JP8029814A Expired - Lifetime JP2757163B2 (ja) 1984-01-05 1996-01-24 無水・高圧メラミン合成法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP8029814A Expired - Lifetime JP2757163B2 (ja) 1984-01-05 1996-01-24 無水・高圧メラミン合成法

Country Status (16)

Country Link
JP (2) JPS60208970A (en, 2012)
KR (1) KR920001740B1 (en, 2012)
AT (1) AT393124B (en, 2012)
AU (1) AU568469B2 (en, 2012)
BR (1) BR8500032A (en, 2012)
CA (1) CA1220476A (en, 2012)
EG (1) EG16900A (en, 2012)
ES (1) ES8606303A1 (en, 2012)
FR (1) FR2557876B1 (en, 2012)
GB (1) GB2152505B (en, 2012)
IE (1) IE57911B1 (en, 2012)
IT (1) IT1188084B (en, 2012)
MX (1) MX164901B (en, 2012)
NL (1) NL193832C (en, 2012)
NO (1) NO176795C (en, 2012)
NZ (1) NZ210678A (en, 2012)

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.
AU5346298A (en) * 1996-12-16 1998-07-15 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
FR2557876A1 (fr) 1985-07-12
KR850005425A (ko) 1985-08-26
AT393124B (de) 1991-08-26
NO176795C (no) 1995-05-31
IT1188084B (it) 1987-12-30
NZ210678A (en) 1987-03-06
GB8500197D0 (en) 1985-02-13
NO845248L (no) 1985-07-08
IT8583302A0 (it) 1985-01-04
CA1220476A (en) 1987-04-14
NO176795B (no) 1995-02-20
BR8500032A (pt) 1985-08-13
JPS60208970A (ja) 1985-10-21
ATA2185A (de) 1991-01-15
FR2557876B1 (fr) 1991-04-19
MX164901B (es) 1992-09-30
ES539126A0 (es) 1986-04-16
GB2152505B (en) 1987-07-29
IE843247L (en) 1985-07-05
IE57911B1 (en) 1993-05-19
NL193832C (nl) 2000-12-04
ES8606303A1 (es) 1986-04-16
NL8403843A (nl) 1985-08-01
NL193832B (nl) 2000-08-01
AU568469B2 (en) 1987-12-24
AU3737685A (en) 1985-07-18
EG16900A (en) 1990-10-30
KR920001740B1 (ko) 1992-02-24
GB2152505A (en) 1985-08-07
JPH0925271A (ja) 1997-01-28
JP2757163B2 (ja) 1998-05-25

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Legal Events

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EXPY Cancellation because of completion of term