IT7847689A0 - Procedimento per la produzione di melammina da urea - Google Patents

Procedimento per la produzione di melammina da urea

Info

Publication number
IT7847689A0
IT7847689A0 IT7847689A IT4768978A IT7847689A0 IT 7847689 A0 IT7847689 A0 IT 7847689A0 IT 7847689 A IT7847689 A IT 7847689A IT 4768978 A IT4768978 A IT 4768978A IT 7847689 A0 IT7847689 A0 IT 7847689A0
Authority
IT
Italy
Prior art keywords
melamine
urea
procedure
production
Prior art date
Application number
IT7847689A
Other languages
English (en)
Other versions
IT1103254B (it
Original Assignee
Stamicarbon
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
Priority claimed from NLAANVRAGE7700509,A external-priority patent/NL184318C/xx
Priority claimed from NL7700553A external-priority patent/NL184319C/xx
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of IT7847689A0 publication Critical patent/IT7847689A0/it
Application granted granted Critical
Publication of IT1103254B publication Critical patent/IT1103254B/it

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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other
    • 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)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
IT47689/78A 1977-01-19 1978-01-18 Procedimento per la produzione di melammina da urea IT1103254B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7700509,A NL184318C (nl) 1977-01-19 1977-01-19 Werkwijze voor het bereiden van melamine.
NL7700553A NL184319C (nl) 1977-01-20 1977-01-20 Bereiding van melamine uit ureum.

Publications (2)

Publication Number Publication Date
IT7847689A0 true IT7847689A0 (it) 1978-01-18
IT1103254B IT1103254B (it) 1985-10-14

Family

ID=26645276

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47689/78A IT1103254B (it) 1977-01-19 1978-01-18 Procedimento per la produzione di melammina da urea

Country Status (23)

Country Link
US (1) US4156080A (it)
JP (1) JPS5390279A (it)
AR (1) AR220116A1 (it)
AT (1) AT359512B (it)
BG (1) BG31650A3 (it)
BR (1) BR7800294A (it)
CA (1) CA1085393A (it)
CS (1) CS202004B2 (it)
DD (1) DD133666A5 (it)
DE (1) DE2802238A1 (it)
EG (1) EG12834A (it)
ES (1) ES466103A1 (it)
FR (1) FR2378021A1 (it)
GB (1) GB1560527A (it)
HU (1) HU180934B (it)
IN (1) IN146260B (it)
IT (1) IT1103254B (it)
MX (1) MX5805E (it)
NO (1) NO154347C (it)
PL (1) PL116547B1 (it)
RO (1) RO74590A (it)
SE (1) SE438148B (it)
YU (1) YU40025B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7903473A (nl) * 1979-05-03 1980-11-05 Stamicarbon Werkwijze voor het bereiden van melamine.
NL8001874A (nl) * 1980-03-29 1981-11-02 Stamicarbon Inrichting voor het versproeien van een vloeistof met behulp van een gas.
NL8201479A (nl) * 1982-04-07 1983-11-01 Stamicarbon Werkwijze voor het bereiden van melamine.
IT1270577B (it) * 1993-02-22 1997-05-06 Wladimiro Bizzotto Reattore melamina ad alta pressione
US5384404A (en) * 1993-11-05 1995-01-24 Lee; Jing M. Process for manufacturing melamine from urea
NL1012466C2 (nl) * 1999-06-29 2001-01-02 Dsm Nv Werkwijze voor de bereiding van melamine uit ureum.
NL1022414C2 (nl) * 2003-01-17 2004-07-20 Dsm Nv Werkwijze voor het onttrekken van energie uit rookgassen.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152128A (en) * 1964-10-06 Preparation of melamine
US3158611A (en) * 1964-11-24 Converting urea to melamine in the gas phase over
US3095416A (en) * 1963-06-25 Urea to melamine process
DE1209570B (de) * 1964-03-28 1966-01-27 Basf Ag Verfahren zur Herstellung von Melamin
US3332947A (en) * 1965-09-14 1967-07-25 American Cyanamid Co Production of melamine
US3723430A (en) * 1970-10-28 1973-03-27 Nissan Chemical Ind Ltd Method for reclamation of melamine waste gas
US3895007A (en) * 1972-04-28 1975-07-15 Basf Ag Manufacture of melamine

Also Published As

Publication number Publication date
YU8778A (en) 1982-10-31
ATA19878A (de) 1980-04-15
BR7800294A (pt) 1978-09-05
IT1103254B (it) 1985-10-14
EG12834A (en) 1979-12-31
NO154347B (no) 1986-05-26
PL116547B1 (en) 1981-06-30
DD133666A5 (de) 1979-01-17
HU180934B (en) 1983-05-30
MX5805E (es) 1984-07-26
CA1085393A (en) 1980-09-09
SE438148B (sv) 1985-04-01
PL204064A1 (pl) 1979-06-04
IN146260B (it) 1979-04-07
RO74590A (ro) 1981-08-30
AT359512B (de) 1980-11-10
GB1560527A (en) 1980-02-06
BG31650A3 (en) 1982-02-15
NO154347C (no) 1986-09-03
DE2802238A1 (de) 1978-07-20
DE2802238C2 (it) 1989-02-23
JPS5390279A (en) 1978-08-08
AR220116A1 (es) 1980-10-15
NO780190L (no) 1978-07-20
FR2378021B1 (it) 1983-08-26
CS202004B2 (en) 1980-12-31
ES466103A1 (es) 1978-10-01
FR2378021A1 (fr) 1978-08-18
SE7800613L (sv) 1978-07-20
US4156080A (en) 1979-05-22
YU40025B (en) 1985-06-30

Similar Documents

Publication Publication Date Title
IT1102720B (it) Procedimento catalitico per la produzione di poliaicheni
IT1102018B (it) Procedimento per la produzione di trimetilol-alcani
IT1099066B (it) Procedimento per la produzione di ammoniaca
IT1106615B (it) Procedimento per la produzione di solfobetaine
IT1109011B (it) Procedimento per la produzione di vincadifformina
IT7848613A0 (it) Procedimento per la migliorata produzione di 2-etilesanolo
IT1105171B (it) Procedimento per la produzione di nitrosobenzolo
IT1101612B (it) Procedimento per la produzione di 2,6-diamminonebularine
IT1100590B (it) Procedimento per la produzione di rifamicine
IT7847689A0 (it) Procedimento per la produzione di melammina da urea
IT1157730B (it) Procedimento per la produzione di alfa-idrossimetilen-nitrili
IT1102597B (it) Procedimento per la produzione di 2,3-dimetil-pentanale
IT1099364B (it) Procedimento per la fabbricazione di nitroguanidina
IT7851622A0 (it) Procedimento per la produzione di formaldeide
IT1105354B (it) Procedimento per la produzione di antrachinoni sostituiti
IT1105154B (it) Procedimento per la produzione di 2,4-diosso-ossazolidine
IT1099446B (it) Procedimento per la produzione di tiolcarbamati
IT1102812B (it) Procedimento per la produzione di p-nitroso-difenil-idrossil-ammine
IT7849261A0 (it) Procedimento per la produzione di 3-bromoftalide
IT1081516B (it) Procedimetno per la produzione di cloro-bis(alchilammine)-s-triazine
IT7850916A0 (it) Procedimento per la produzione di i-natrachinonil-idrazine
IT1105405B (it) Procedimento per la produzione di 2/4-diossiesaidro-1/3/5-triazina
IT1114434B (it) Procedimento perfezionato per la produzione di cloro-bis(alchilammino)-s-triazine
IT1143598B (it) Procedimento per la produzione di bis-cicloalcheno-piridine
IT1157735B (it) Procedimento per la produzione di 3-bromopialide

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931227