GB2073751B - Urea synthesis - Google Patents

Urea synthesis

Info

Publication number
GB2073751B
GB2073751B GB8110277A GB8110277A GB2073751B GB 2073751 B GB2073751 B GB 2073751B GB 8110277 A GB8110277 A GB 8110277A GB 8110277 A GB8110277 A GB 8110277A GB 2073751 B GB2073751 B GB 2073751B
Authority
GB
United Kingdom
Prior art keywords
urea synthesis
urea
synthesis
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8110277A
Other languages
English (en)
Other versions
GB2073751A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Toatsu Chemicals Inc
Toyo Engineering Corp
Original Assignee
Mitsui Toatsu Chemicals Inc
Toyo Engineering Corp
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 Mitsui Toatsu Chemicals Inc, Toyo Engineering Corp filed Critical Mitsui Toatsu Chemicals Inc
Publication of GB2073751A publication Critical patent/GB2073751A/en
Application granted granted Critical
Publication of GB2073751B publication Critical patent/GB2073751B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00—Details relating to contact between valve members and seats
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/0204—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
    • B01J2219/0218—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components of ceramic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Lift Valve (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Details Of Valves (AREA)
GB8110277A 1980-04-15 1981-04-01 Urea synthesis Expired GB2073751B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4864180A JPS56147756A (en) 1980-04-15 1980-04-15 Synthetic method of urea using silicon carbide material in apparatus

Publications (2)

Publication Number Publication Date
GB2073751A GB2073751A (en) 1981-10-21
GB2073751B true GB2073751B (en) 1984-02-01

Family

ID=12808989

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8110277A Expired GB2073751B (en) 1980-04-15 1981-04-01 Urea synthesis

Country Status (9)

Country Link
JP (1) JPS56147756A (enrdf_load_stackoverflow)
BR (1) BR8102284A (enrdf_load_stackoverflow)
CA (1) CA1250314A (enrdf_load_stackoverflow)
DE (1) DE3114218A1 (enrdf_load_stackoverflow)
FR (1) FR2480280A1 (enrdf_load_stackoverflow)
GB (1) GB2073751B (enrdf_load_stackoverflow)
IN (1) IN155840B (enrdf_load_stackoverflow)
IT (1) IT1137354B (enrdf_load_stackoverflow)
NL (1) NL8101499A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2608234B2 (ja) * 1992-02-26 1997-05-07 東洋エンジニアリング株式会社 尿素合成プラント用減圧弁
US20110033018A1 (en) * 2009-08-10 2011-02-10 Caldera Engineering, Lc Method for bonding ceramic materials
US9662628B2 (en) 2014-08-15 2017-05-30 Rec Silicon Inc Non-contaminating bonding material for segmented silicon carbide liner in a fluidized bed reactor
US9446367B2 (en) 2014-08-15 2016-09-20 Rec Silicon Inc Joint design for segmented silicon carbide liner in a fluidized bed reactor
US9238211B1 (en) 2014-08-15 2016-01-19 Rec Silicon Inc Segmented silicon carbide liner
WO2023191620A1 (en) * 2022-03-28 2023-10-05 Stamicarbon B.V. Urea plant with valve; urea production process; use and method

Also Published As

Publication number Publication date
DE3114218A1 (de) 1982-03-04
IT8121139A0 (it) 1981-04-14
FR2480280B1 (enrdf_load_stackoverflow) 1983-07-01
GB2073751A (en) 1981-10-21
NL8101499A (nl) 1981-11-02
IT1137354B (it) 1986-09-10
IN155840B (enrdf_load_stackoverflow) 1985-03-16
JPS56147756A (en) 1981-11-16
BR8102284A (pt) 1981-12-01
CA1250314A (en) 1989-02-21
FR2480280A1 (fr) 1981-10-16

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee