BR8102284A - Processo para sinteizar ureia - Google Patents

Processo para sinteizar ureia

Info

Publication number
BR8102284A
BR8102284A BR8102284A BR8102284A BR8102284A BR 8102284 A BR8102284 A BR 8102284A BR 8102284 A BR8102284 A BR 8102284A BR 8102284 A BR8102284 A BR 8102284A BR 8102284 A BR8102284 A BR 8102284A
Authority
BR
Brazil
Prior art keywords
synthesis process
urea synthesis
urea
synthesis
Prior art date
Application number
BR8102284A
Other languages
English (en)
Portuguese (pt)
Inventor
Hidaki Morihisa
Deguchi Tateaki
Matsumoto Keiichi
Original Assignee
Toyo Engineering Corp
Mitsui Toatsu Chemicals
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 Toyo Engineering Corp, Mitsui Toatsu Chemicals filed Critical Toyo Engineering Corp
Publication of BR8102284A publication Critical patent/BR8102284A/pt

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
BR8102284A 1980-04-15 1981-04-14 Processo para sinteizar ureia BR8102284A (pt)

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 (1)

Publication Number Publication Date
BR8102284A true BR8102284A (pt) 1981-12-01

Family

ID=12808989

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8102284A BR8102284A (pt) 1980-04-15 1981-04-14 Processo para sinteizar ureia

Country Status (9)

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

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
US9238211B1 (en) 2014-08-15 2016-01-19 Rec Silicon Inc Segmented silicon carbide liner
US9446367B2 (en) 2014-08-15 2016-09-20 Rec Silicon Inc Joint design for segmented silicon carbide liner in a fluidized bed reactor
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
EP4436703A1 (en) * 2022-03-28 2024-10-02 Stamicarbon B.V. Urea plant with valve; urea production process; use and method

Also Published As

Publication number Publication date
FR2480280B1 (ko) 1983-07-01
IN155840B (ko) 1985-03-16
NL8101499A (nl) 1981-11-02
GB2073751B (en) 1984-02-01
IT1137354B (it) 1986-09-10
IT8121139A0 (it) 1981-04-14
FR2480280A1 (fr) 1981-10-16
GB2073751A (en) 1981-10-21
JPS56147756A (en) 1981-11-16
DE3114218A1 (de) 1982-03-04
CA1250314A (en) 1989-02-21

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