FR2125445B1 - - Google Patents

Info

Publication number
FR2125445B1
FR2125445B1 FR7204826A FR7204826A FR2125445B1 FR 2125445 B1 FR2125445 B1 FR 2125445B1 FR 7204826 A FR7204826 A FR 7204826A FR 7204826 A FR7204826 A FR 7204826A FR 2125445 B1 FR2125445 B1 FR 2125445B1
Authority
FR
France
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
FR7204826A
Other versions
FR2125445A1 (fr
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of FR2125445A1 publication Critical patent/FR2125445A1/fr
Application granted granted Critical
Publication of FR2125445B1 publication Critical patent/FR2125445B1/fr
Expired legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Catalysts (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Removal Of Specific Substances (AREA)
FR7204826A 1971-02-13 1972-02-14 Expired FR2125445B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7101951,A NL169588C (nl) 1971-02-13 1971-02-13 Werkwijze voor het bij verhoogde van ammoniumcarbamaat bevattende oplossingen.

Publications (2)

Publication Number Publication Date
FR2125445A1 FR2125445A1 (fr) 1972-09-29
FR2125445B1 true FR2125445B1 (fr) 1977-07-15

Family

ID=19812478

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7204826A Expired FR2125445B1 (fr) 1971-02-13 1972-02-14

Country Status (20)

Country Link
AU (1) AU463665B2 (fr)
BE (1) BE779258A (fr)
BR (1) BR7200837D0 (fr)
CA (1) CA966638A (fr)
CS (1) CS163267B2 (fr)
DD (1) DD95368A5 (fr)
DE (1) DE2206615B2 (fr)
ES (1) ES399672A1 (fr)
FR (1) FR2125445B1 (fr)
GB (1) GB1333544A (fr)
HU (1) HU173919B (fr)
IE (1) IE36076B1 (fr)
IT (1) IT948491B (fr)
NL (1) NL169588C (fr)
NO (1) NO137010C (fr)
RO (1) RO63301A (fr)
SE (1) SE387336B (fr)
TR (1) TR18774A (fr)
ZA (1) ZA72781B (fr)
ZM (1) ZM2772A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8304381A (nl) * 1983-12-21 1985-07-16 Stamicarbon Werkwijze en inrichting voor het bereiden van melamine.
JPS63121641A (ja) * 1986-11-10 1988-05-25 Nippon Yakin Kogyo Co Ltd オ−ステナイトステンレス鋼製シ−ズヒ−タ外部被覆
EP1921043B1 (fr) 2006-11-01 2012-01-18 Mitsubishi Gas Chemical Company, Inc. Procédé de récupération d'ammoniaque et de préparation d'un composé nitrile utilisant le procédé de récupération d'ammoniaque
US11746084B2 (en) * 2019-07-05 2023-09-05 Stamicarbon B.V. Ferritic steel parts in urea plants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1986973A (en) * 1930-11-17 1935-01-08 Du Pont Prevention of corrosion in urea synthesis
US2129689A (en) * 1936-12-04 1938-09-13 Du Pont Urea manufacture
US2183715A (en) * 1938-05-21 1939-12-19 Electro Metallurg Co Corrosion resistant steel alloy
US2624671A (en) * 1951-01-19 1953-01-06 Union Carbide & Carbon Corp Ferritic chromium steels
DE1608201A1 (de) * 1967-03-15 1970-12-03 Du Pont Korrosionsbestaendige Eisenchromlegierungen

Also Published As

Publication number Publication date
DD95368A5 (fr) 1973-02-05
AU463665B2 (en) 1975-07-31
DE2206615B2 (de) 1980-05-29
BE779258A (fr) 1972-08-11
DE2206615A1 (de) 1972-08-31
NO137010C (no) 1977-12-14
IE36076L (en) 1972-08-13
NO137010B (no) 1977-09-05
NL169588B (nl) 1982-03-01
CS163267B2 (fr) 1975-08-29
HU173919B (hu) 1979-09-28
IE36076B1 (en) 1976-08-04
IT948491B (it) 1973-05-30
ES399672A1 (es) 1976-05-01
AU3881372A (en) 1973-08-16
TR18774A (tr) 1977-08-23
ZM2772A1 (en) 1973-02-21
RO63301A (fr) 1978-07-15
NL169588C (nl) 1982-08-02
NL7101951A (fr) 1972-08-15
ZA72781B (en) 1972-10-25
BR7200837D0 (pt) 1973-06-21
GB1333544A (en) 1973-10-10
SE387336B (sv) 1976-09-06
CA966638A (en) 1975-04-29
FR2125445A1 (fr) 1972-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse