NL177593B - METHOD FOR THE PREPARATION OF UREA. - Google Patents

METHOD FOR THE PREPARATION OF UREA.

Info

Publication number
NL177593B
NL177593B NLAANVRAGE7711848,A NL7711848A NL177593B NL 177593 B NL177593 B NL 177593B NL 7711848 A NL7711848 A NL 7711848A NL 177593 B NL177593 B NL 177593B
Authority
NL
Netherlands
Prior art keywords
urea
preparation
Prior art date
Application number
NLAANVRAGE7711848,A
Other languages
Dutch (nl)
Other versions
NL7711848A (en
NL177593C (en
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of NL7711848A publication Critical patent/NL7711848A/en
Publication of NL177593B publication Critical patent/NL177593B/en
Application granted granted Critical
Publication of NL177593C publication Critical patent/NL177593C/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
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • 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
    • 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
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • 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
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
    • 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
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943—Details relating to the geometry of the reactor round circular or disk-shaped cylindrical
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE7711848,A 1976-10-28 1977-10-27 METHOD FOR THE PREPARATION OF UREA. NL177593C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT28779/76A IT1068434B (en) 1976-10-28 1976-10-28 PROCEDURE FOR THE PRODUCTION OF UREA WITH HIGH YIELD REACTOR

Publications (3)

Publication Number Publication Date
NL7711848A NL7711848A (en) 1978-05-03
NL177593B true NL177593B (en) 1985-05-17
NL177593C NL177593C (en) 1985-10-16

Family

ID=11224168

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7711848,A NL177593C (en) 1976-10-28 1977-10-27 METHOD FOR THE PREPARATION OF UREA.

Country Status (6)

Country Link
JP (1) JPS5356618A (en)
BR (1) BR7707253A (en)
DE (1) DE2748221C3 (en)
IT (1) IT1068434B (en)
NL (1) NL177593C (en)
SU (1) SU1072799A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1274362B (en) * 1995-02-16 1997-07-17 Snam Progetti HIGH YIELD PROCEDURE FOR THE SYNTHESIS OF UREA

Also Published As

Publication number Publication date
DE2748221B2 (en) 1979-03-29
JPS625902B2 (en) 1987-02-07
DE2748221A1 (en) 1978-05-03
IT1068434B (en) 1985-03-21
BR7707253A (en) 1978-07-25
JPS5356618A (en) 1978-05-23
SU1072799A3 (en) 1984-02-07
NL7711848A (en) 1978-05-03
DE2748221C3 (en) 1979-11-22
NL177593C (en) 1985-10-16

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee