FI20001565A - Reactor and process for producing melamine - Google Patents

Reactor and process for producing melamine Download PDF

Info

Publication number
FI20001565A
FI20001565A FI20001565A FI20001565A FI20001565A FI 20001565 A FI20001565 A FI 20001565A FI 20001565 A FI20001565 A FI 20001565A FI 20001565 A FI20001565 A FI 20001565A FI 20001565 A FI20001565 A FI 20001565A
Authority
FI
Finland
Prior art keywords
reactor
producing melamine
melamine
producing
Prior art date
Application number
FI20001565A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI109021B (en
FI20001565A0 (en
Inventor
Ernest Groensmit
Jarno Ilme
Lauri Maeaettae
Rune Strahl
Suvi Sundquist
Ilkka Turunen
Hans Vrijenhoef
Matti Vuokko
Original Assignee
Kemira Agro Oy
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 Kemira Agro Oy filed Critical Kemira Agro Oy
Priority to FI20001565A priority Critical patent/FI109021B/en
Publication of FI20001565A0 publication Critical patent/FI20001565A0/en
Priority to PL36050401A priority patent/PL360504A1/en
Priority to EP01951753A priority patent/EP1296963A1/en
Priority to PCT/FI2001/000625 priority patent/WO2002002535A1/en
Publication of FI20001565A publication Critical patent/FI20001565A/en
Application granted granted Critical
Publication of FI109021B publication Critical patent/FI109021B/en

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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/006—Baffles
    • 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
    • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/002—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2425—Tubular reactors in parallel
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
    • B01J19/246—Stationary reactors without moving elements inside provoking a loop type movement of the reactants internally, i.e. the mixture circulating inside the vessel such that the upward stream is separated physically from the downward stream(s)
    • 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
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00065—Pressure measurement
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00085—Plates; Jackets; Cylinders
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00132—Controlling the temperature using electric heating or cooling elements
    • B01J2219/00135—Electric resistance heaters
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
FI20001565A 2000-06-30 2000-06-30 Reactor and process for the production of melamine FI109021B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20001565A FI109021B (en) 2000-06-30 2000-06-30 Reactor and process for the production of melamine
PL36050401A PL360504A1 (en) 2000-06-30 2001-06-29 Reactor and method for producing melamine
EP01951753A EP1296963A1 (en) 2000-06-30 2001-06-29 Reactor and method for producing melamine
PCT/FI2001/000625 WO2002002535A1 (en) 2000-06-30 2001-06-29 Reactor and method for producing melamine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20001565A FI109021B (en) 2000-06-30 2000-06-30 Reactor and process for the production of melamine
FI20001565 2000-06-30

Publications (3)

Publication Number Publication Date
FI20001565A0 FI20001565A0 (en) 2000-06-30
FI20001565A true FI20001565A (en) 2001-12-31
FI109021B FI109021B (en) 2002-05-15

Family

ID=8558691

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20001565A FI109021B (en) 2000-06-30 2000-06-30 Reactor and process for the production of melamine

Country Status (4)

Country Link
EP (1) EP1296963A1 (en)
FI (1) FI109021B (en)
PL (1) PL360504A1 (en)
WO (1) WO2002002535A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004085413A1 (en) * 2003-03-24 2004-10-07 Guorui Zhang Method and procedure for producing melamine by high-pressure process
EP2399669A1 (en) 2010-06-24 2011-12-28 Borealis Agrolinz Melamine GmbH Horizontal high-pressure melamine reactor
EP3569305A1 (en) * 2018-05-16 2019-11-20 Yara International ASA High pressure strippers for use in urea plants
EP4245754A1 (en) * 2022-03-15 2023-09-20 Casale Sa Process for the synthesis of melamine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927923A (en) * 1960-03-08 Ammonia
IT1270577B (en) * 1993-02-22 1997-05-06 Wladimiro Bizzotto HIGH PRESSURE MELAMINE REACTOR
IT1292427B1 (en) * 1997-06-27 1999-02-08 Eurotecnica Contractors And En PROCESS AND EQUIPMENT FOR THE PRODUCTION OF MELAMINE

Also Published As

Publication number Publication date
PL360504A1 (en) 2004-09-06
EP1296963A1 (en) 2003-04-02
WO2002002535A1 (en) 2002-01-10
FI109021B (en) 2002-05-15
FI20001565A0 (en) 2000-06-30

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