IT1299000B1 - DEVICE AND PROCEDURE FOR IMPROVING CONVERSION IN UREA IN THE REACTION BETWEEN CARBON DIOXIDE AND AMMONIA - Google Patents

DEVICE AND PROCEDURE FOR IMPROVING CONVERSION IN UREA IN THE REACTION BETWEEN CARBON DIOXIDE AND AMMONIA

Info

Publication number
IT1299000B1
IT1299000B1 IT98MI000700A ITMI980700A IT1299000B1 IT 1299000 B1 IT1299000 B1 IT 1299000B1 IT 98MI000700 A IT98MI000700 A IT 98MI000700A IT MI980700 A ITMI980700 A IT MI980700A IT 1299000 B1 IT1299000 B1 IT 1299000B1
Authority
IT
Italy
Prior art keywords
urea
ammonia
procedure
reaction
carbon dioxide
Prior art date
Application number
IT98MI000700A
Other languages
Italian (it)
Inventor
Claudio Gatti
Vincenzo Lagana
Original Assignee
Siirtec Nigi S P A
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 Siirtec Nigi S P A filed Critical Siirtec Nigi S P A
Priority to IT98MI000700A priority Critical patent/IT1299000B1/en
Priority to PCT/IT1999/000078 priority patent/WO1999050235A1/en
Publication of ITMI980700A1 publication Critical patent/ITMI980700A1/en
Application granted granted Critical
Publication of IT1299000B1 publication Critical patent/IT1299000B1/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
    • 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
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • 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
    • B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • 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
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/04—Feed or outlet devices; Feed or outlet control devices using osmotic pressure using membranes, porous plates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds 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
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277—Metal based
    • B01J2219/0286—Steel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT98MI000700A 1998-04-01 1998-04-01 DEVICE AND PROCEDURE FOR IMPROVING CONVERSION IN UREA IN THE REACTION BETWEEN CARBON DIOXIDE AND AMMONIA IT1299000B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT98MI000700A IT1299000B1 (en) 1998-04-01 1998-04-01 DEVICE AND PROCEDURE FOR IMPROVING CONVERSION IN UREA IN THE REACTION BETWEEN CARBON DIOXIDE AND AMMONIA
PCT/IT1999/000078 WO1999050235A1 (en) 1998-04-01 1999-03-31 Apparatus and process for the preparation of urea from carbon dioxide and ammonia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT98MI000700A IT1299000B1 (en) 1998-04-01 1998-04-01 DEVICE AND PROCEDURE FOR IMPROVING CONVERSION IN UREA IN THE REACTION BETWEEN CARBON DIOXIDE AND AMMONIA

Publications (2)

Publication Number Publication Date
ITMI980700A1 ITMI980700A1 (en) 1999-10-01
IT1299000B1 true IT1299000B1 (en) 2000-02-07

Family

ID=11379620

Family Applications (1)

Application Number Title Priority Date Filing Date
IT98MI000700A IT1299000B1 (en) 1998-04-01 1998-04-01 DEVICE AND PROCEDURE FOR IMPROVING CONVERSION IN UREA IN THE REACTION BETWEEN CARBON DIOXIDE AND AMMONIA

Country Status (2)

Country Link
IT (1) IT1299000B1 (en)
WO (1) WO1999050235A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005050284A1 (en) 2005-10-20 2007-05-10 Basf Ag Distributor device for a gas-liquid phase mixture for apparatus
DK2125612T3 (en) * 2007-01-16 2011-07-25 Basf Se Reactor and process for producing hydrogen sulfide
JP5558830B2 (en) * 2007-01-16 2014-07-23 ビーエーエスエフ ソシエタス・ヨーロピア Reactor and process for producing hydrogen sulfide
EP3760306A1 (en) * 2019-07-02 2021-01-06 Casale Sa A reactor for the synthesis of urea

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57113804A (en) * 1980-12-29 1982-07-15 Kobe Steel Ltd Tray type gas-liquid contact device
EP0495418B1 (en) * 1991-01-15 1997-10-15 Urea Casale S.A. Process and device for increasing the yield and the production potential of urea reactors
MY131969A (en) * 1994-09-09 2007-09-28 Urea Casale Sa "method for in-situ modernization of a urea synthesis reactor"

Also Published As

Publication number Publication date
ITMI980700A1 (en) 1999-10-01
WO1999050235A1 (en) 1999-10-07

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Legal Events

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0001 Granted