NL6712586A - - Google Patents

Info

Publication number
NL6712586A
NL6712586A NL6712586A NL6712586A NL6712586A NL 6712586 A NL6712586 A NL 6712586A NL 6712586 A NL6712586 A NL 6712586A NL 6712586 A NL6712586 A NL 6712586A NL 6712586 A NL6712586 A NL 6712586A
Authority
NL
Netherlands
Application number
NL6712586A
Other versions
NL141178B (en
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 filed Critical
Publication of NL6712586A publication Critical patent/NL6712586A/xx
Publication of NL141178B publication Critical patent/NL141178B/en

Links

Classifications

    • 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
    • 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
    • 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
    • B01J2219/0236—Metal based
    • 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
    • B01J2219/0281—Metal oxides
    • 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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
NL676712586A 1966-09-16 1967-09-14 PROCESS FOR THE PREPARATION OF UREA. NL141178B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6084466 1966-09-16

Publications (2)

Publication Number Publication Date
NL6712586A true NL6712586A (en) 1968-03-18
NL141178B NL141178B (en) 1974-02-15

Family

ID=13154065

Family Applications (1)

Application Number Title Priority Date Filing Date
NL676712586A NL141178B (en) 1966-09-16 1967-09-14 PROCESS FOR THE PREPARATION OF UREA.

Country Status (4)

Country Link
DE (1) DE1668724C3 (en)
ES (1) ES344834A1 (en)
GB (1) GB1153107A (en)
NL (1) NL141178B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1008133A3 (en) * 1994-03-15 1996-01-23 Dsm Nv Process for pollution of the separation of a hot synthesis gas mixture in the preparation melamine.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150067A (en) * 1983-02-15 1984-08-28 Jgc Corp Stainless cast steel for cryogenic service having excellent corrosion resistance
NL8304381A (en) * 1983-12-21 1985-07-16 Stamicarbon METHOD AND APPARATUS FOR PREPARING MELAMINE
EP1921043B1 (en) 2006-11-01 2012-01-18 Mitsubishi Gas Chemical Company, Inc. Method of recovering ammonia and process for producing a nitrile compound making use of the ammonia recovery method
CN105246874B (en) 2013-05-28 2018-06-12 东洋工程株式会社 Urea synthesis method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1008133A3 (en) * 1994-03-15 1996-01-23 Dsm Nv Process for pollution of the separation of a hot synthesis gas mixture in the preparation melamine.

Also Published As

Publication number Publication date
ES344834A1 (en) 1968-11-01
DE1668724A1 (en) 1972-01-05
NL141178B (en) 1974-02-15
DE1668724C3 (en) 1973-07-19
DE1668724B2 (en) 1973-01-04
GB1153107A (en) 1969-05-21

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Legal Events

Date Code Title Description
SNR Assignments of patents or rights arising from examined patent applications
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: MITSUI