PL360504A1 - Reaktor i sposób wytwarzania melaminy - Google Patents

Reaktor i sposób wytwarzania melaminy

Info

Publication number
PL360504A1
PL360504A1 PL36050401A PL36050401A PL360504A1 PL 360504 A1 PL360504 A1 PL 360504A1 PL 36050401 A PL36050401 A PL 36050401A PL 36050401 A PL36050401 A PL 36050401A PL 360504 A1 PL360504 A1 PL 360504A1
Authority
PL
Poland
Prior art keywords
reactor
producing melamine
melamine
producing
Prior art date
Application number
PL36050401A
Other languages
English (en)
Inventor
Ernest Groensmit
Jarno Ilme
Lauri Maatta
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
Publication of PL360504A1 publication Critical patent/PL360504A1/pl

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/006Baffles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J10/00Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/002Chemical 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1868Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1881Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2415Tubular reactors
    • B01J19/2425Tubular reactors in parallel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2455Stationary reactors without moving elements inside provoking a loop type movement of the reactants
    • B01J19/246Stationary 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)
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation of melamine from urea or from carbon dioxide and ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058Temperature measurement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00065Pressure measurement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00085Plates; Jackets; Cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00132Controlling the temperature using electric heating or cooling elements
    • B01J2219/00135Electric resistance heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761Details of the reactor
    • B01J2219/00763Baffles

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)
PL36050401A 2000-06-30 2001-06-29 Reaktor i sposób wytwarzania melaminy PL360504A1 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20001565A FI109021B (fi) 2000-06-30 2000-06-30 Reaktori ja menetelmä melamiinin tuottamiseksi
PCT/FI2001/000625 WO2002002535A1 (en) 2000-06-30 2001-06-29 Reactor and method for producing melamine

Publications (1)

Publication Number Publication Date
PL360504A1 true PL360504A1 (pl) 2004-09-06

Family

ID=8558691

Family Applications (1)

Application Number Title Priority Date Filing Date
PL36050401A PL360504A1 (pl) 2000-06-30 2001-06-29 Reaktor i sposób wytwarzania melaminy

Country Status (4)

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

Families Citing this family (6)

* 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
CN115518607A (zh) * 2022-10-26 2022-12-27 天津大学 一种气升式列管环流反应器
IT202300008694A1 (it) * 2023-05-03 2024-11-03 Proman Ag Impianto per la produzione di melammina a impatto ambientale nullo e relativo processo

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 (it) * 1993-02-22 1997-05-06 Wladimiro Bizzotto Reattore melamina ad alta pressione
IT1292427B1 (it) * 1997-06-27 1999-02-08 Eurotecnica Contractors And En Procedimento e apparecchiatura per la produzione di melammina

Also Published As

Publication number Publication date
FI20001565L (fi) 2001-12-31
FI20001565A0 (fi) 2000-06-30
EP1296963A1 (en) 2003-04-02
FI109021B (fi) 2002-05-15
WO2002002535A1 (en) 2002-01-10

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Legal Events

Date Code Title Description
REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)