NL177593C - Werkwijze voor de bereiding van ureum. - Google Patents

Werkwijze voor de bereiding van ureum.

Info

Publication number
NL177593C
NL177593C NLAANVRAGE7711848,A NL7711848A NL177593C NL 177593 C NL177593 C NL 177593C NL 7711848 A NL7711848 A NL 7711848A NL 177593 C NL177593 C NL 177593C
Authority
NL
Netherlands
Prior art keywords
urea
preparation
Prior art date
Application number
NLAANVRAGE7711848,A
Other languages
English (en)
Dutch (nl)
Other versions
NL177593B (nl
NL7711848A (nl
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/xx
Publication of NL177593B publication Critical patent/NL177593B/xx
Application granted granted Critical
Publication of NL177593C publication Critical patent/NL177593C/xx

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
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04Pressure vessels, e.g. autoclaves
    • 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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
    • 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
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094Jackets
    • 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
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/185Details relating to the spatial orientation of the reactor vertical
    • 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
    • B01J2219/19Details relating to the geometry of the reactor
    • B01J2219/194Details relating to the geometry of the reactor round
    • B01J2219/1941Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943Details relating to the geometry of the reactor round circular or disk-shaped cylindrical
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

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 Werkwijze voor de bereiding van ureum. NL177593C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT28779/76A IT1068434B (it) 1976-10-28 1976-10-28 Procedimento per la produzione di urea con reattore ad alta resa

Publications (3)

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

Family

ID=11224168

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7711848,A NL177593C (nl) 1976-10-28 1977-10-27 Werkwijze voor de bereiding van ureum.

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1274362B (it) * 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea

Also Published As

Publication number Publication date
DE2748221C3 (de) 1979-11-22
BR7707253A (pt) 1978-07-25
JPS625902B2 (enExample) 1987-02-07
JPS5356618A (en) 1978-05-23
DE2748221A1 (de) 1978-05-03
NL177593B (nl) 1985-05-17
DE2748221B2 (de) 1979-03-29
SU1072799A3 (ru) 1984-02-07
IT1068434B (it) 1985-03-21
NL7711848A (nl) 1978-05-03

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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