WO2006021249A1 - Dispositif pour eliminer de l'ammoniac et des amines de solutions de reaction - Google Patents

Dispositif pour eliminer de l'ammoniac et des amines de solutions de reaction Download PDF

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Publication number
WO2006021249A1
WO2006021249A1 PCT/EP2005/006351 EP2005006351W WO2006021249A1 WO 2006021249 A1 WO2006021249 A1 WO 2006021249A1 EP 2005006351 W EP2005006351 W EP 2005006351W WO 2006021249 A1 WO2006021249 A1 WO 2006021249A1
Authority
WO
WIPO (PCT)
Prior art keywords
ammonia
reaction solution
reaction
amines
volatile
Prior art date
Application number
PCT/EP2005/006351
Other languages
German (de)
English (en)
Inventor
Henning Buchold
Jürgen EBERHARDT
Ulrich Wagner
Hans-Jörg WÖLK
Original Assignee
Lurgi Ag
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 Lurgi Ag filed Critical Lurgi Ag
Publication of WO2006021249A1 publication Critical patent/WO2006021249A1/fr

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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
    • B01J19/18—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
    • B01J14/00—Chemical processes in general for reacting liquids with liquids; Apparatus specially adapted therefor
    • 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
    • B01J19/0066—Stirrers
    • 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
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/08—Preparation of ammonia from nitrogenous organic substances
    • C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors
    • 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
    • B01J2219/00002—Chemical plants
    • B01J2219/00004—Scale aspects
    • B01J2219/00006—Large-scale industrial plants

Definitions

  • the invention relates to a device for removing ammonia or volatile amines from a chemical reaction solution.
  • the invention therefore relates to a device for removing ammonia or volatile amines from a reaction solution, in which the device has a stirred reactor (1) which is connected via a suction line (Steiglei ⁇ device) (2) with a in a spray reactor (3 To which the ammonia and the volatile amine is released, which is separated by a nitrogen stream (5) or by applied negative pressure from the reaction solution and removed from the system.
  • a stirred reactor (1) which is connected via a suction line (Steiglei ⁇ device) (2) with a in a spray reactor (3 To which the ammonia and the volatile amine is released, which is separated by a nitrogen stream (5) or by applied negative pressure from the reaction solution and removed from the system.
  • the ammonia released from the reaction solution or the volatile amine can be condensed in a cooling system (6) and recovered.
  • the stirred reactor (1) is equipped with a stirrer (7) and closable openings for the addition of solid and / or liquid substances and Gasein effets- and Gasaus effetsvorraumen.
  • the device according to the invention can be used, for example, in the preparation of carbamic acid esters and / or carbonates, which are reacted by reaction of urea or urea derivatives with monomeric or polymeric alcohols, ammonia or volatile amines being liberated.
  • a stirred reactor (1) which is equipped with a stirrer (7) and several closable openings for the addition of solid and / or liquid substances and with gas inlet and gas discharge devices.
  • the reaction mixture formed in the stirred reactor can be fed to a mixer (8) via a suction line (riser) (2), in which the temperature of the reaction solution is optionally also lowered by a condenser, in which the reaction solution is treated with a stream of nitrogen (5 ) is mixed.
  • This mixture is then sprayed through the spray head (4) into the spray reactor (3), in which, where appropriate, also under application of reduced pressure, the resulting dene ammonia or the liquid amine is withdrawn.
  • the ammonia or the amine can then be withdrawn via the stirred reactor (1) and a condenser (6) and either recovered or released via a deduction.
  • the reaction solution obtained in the stirred reactor can be passed several times through the reactor in the manner described and sprayed via the spray nozzle (4) and freed from ammonia and from volatile amines, so that a rapid and complete removal of these gaseous substances is ensured.
  • the device according to the invention can be used in a wide variety of reactions in which gaseous or gasifiable end products are formed which are to be removed from the reaction equilibrium.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

L'invention concerne un dispositif pour éliminer l'ammoniac ou les amines volatiles provenant d'une solution de réaction, qui présente un réacteur de malaxage (1), lequel est relié par un canal d'aspiration (2) (conduite ascendante) à une buse ou une tête d'aspersion (4) disposées dans un réacteur d'aspersion (3), dans lequel l'ammoniac ou l'amine volatile est libéré, lesquels sont séparés par un flux d'azote (5) ou par une dépression appliquée à la solution de réaction, puis sont éliminés du système.
PCT/EP2005/006351 2004-08-19 2005-06-14 Dispositif pour eliminer de l'ammoniac et des amines de solutions de reaction WO2006021249A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004012976.0 2004-08-19
DE200420012976 DE202004012976U1 (de) 2004-08-19 2004-08-19 Vorrichtung zur Entfernung von Ammoniak oder Aminen aus Reaktionslösungen

Publications (1)

Publication Number Publication Date
WO2006021249A1 true WO2006021249A1 (fr) 2006-03-02

Family

ID=33483460

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/006351 WO2006021249A1 (fr) 2004-08-19 2005-06-14 Dispositif pour eliminer de l'ammoniac et des amines de solutions de reaction

Country Status (2)

Country Link
DE (1) DE202004012976U1 (fr)
WO (1) WO2006021249A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102001969A (zh) * 2009-09-02 2011-04-06 中国石油天然气股份有限公司 一种用氮气移出二苯基脲反应系统中氨气的方法
CN110270299A (zh) * 2019-07-02 2019-09-24 任永飞 一种生产碳纳米卷的系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3909128A1 (de) * 1989-03-20 1990-09-27 Henkel Kgaa Diskontinuierliches verfahren zum fuehren einer heterogen katalysierten reaktion und anlage zum heterogen katalysierten herstellen von produkten
US5071634A (en) * 1989-01-27 1991-12-10 Kemira Oy Process for the preparation of hydrogen peroxide (i)
EP0930319A1 (fr) * 1996-10-04 1999-07-21 Daikin Industries, Ltd. Procede de polymerisation de monomeres d'olefine fluores
US6034209A (en) * 1996-03-29 2000-03-07 Shindai-Ichi Vinyl Corporation Method of recovering low-boiling substances from a polymer latex
US20020197194A1 (en) * 2000-05-18 2002-12-26 Machado Reinaldo Mario Retrofit reactor including gas/liquid ejector and monolith catalyst

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071634A (en) * 1989-01-27 1991-12-10 Kemira Oy Process for the preparation of hydrogen peroxide (i)
DE3909128A1 (de) * 1989-03-20 1990-09-27 Henkel Kgaa Diskontinuierliches verfahren zum fuehren einer heterogen katalysierten reaktion und anlage zum heterogen katalysierten herstellen von produkten
US6034209A (en) * 1996-03-29 2000-03-07 Shindai-Ichi Vinyl Corporation Method of recovering low-boiling substances from a polymer latex
EP0930319A1 (fr) * 1996-10-04 1999-07-21 Daikin Industries, Ltd. Procede de polymerisation de monomeres d'olefine fluores
US20020197194A1 (en) * 2000-05-18 2002-12-26 Machado Reinaldo Mario Retrofit reactor including gas/liquid ejector and monolith catalyst

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102001969A (zh) * 2009-09-02 2011-04-06 中国石油天然气股份有限公司 一种用氮气移出二苯基脲反应系统中氨气的方法
CN110270299A (zh) * 2019-07-02 2019-09-24 任永飞 一种生产碳纳米卷的系统

Also Published As

Publication number Publication date
DE202004012976U1 (de) 2004-11-18

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