NL141178B - PROCESS FOR THE PREPARATION OF UREA. - Google Patents

PROCESS FOR THE PREPARATION OF UREA.

Info

Publication number
NL141178B
NL141178B NL676712586A NL6712586A NL141178B NL 141178 B NL141178 B NL 141178B NL 676712586 A NL676712586 A NL 676712586A NL 6712586 A NL6712586 A NL 6712586A NL 141178 B NL141178 B NL 141178B
Authority
NL
Netherlands
Prior art keywords
urea
preparation
Prior art date
Application number
NL676712586A
Other languages
Dutch (nl)
Other versions
NL6712586A (en
Original Assignee
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 Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
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
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 NL6712586A (en) 1968-03-18
NL141178B true 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)

Families Citing this family (5)

* 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
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.
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

Also Published As

Publication number Publication date
GB1153107A (en) 1969-05-21
NL6712586A (en) 1968-03-18
ES344834A1 (en) 1968-11-01
DE1668724A1 (en) 1972-01-05
DE1668724C3 (en) 1973-07-19
DE1668724B2 (en) 1973-01-04

Similar Documents

Publication Publication Date Title
NL142413B (en) PROCESS FOR THE PREPARATION OF GUANIDINE DERIVATIVES.
NL148300B (en) PROCESS FOR PREPARING POLYOXYPERFLUORMETHYLENES.
NL159098B (en) PROCESS FOR THE PREPARATION OF PROPEENOXIDE.
NL152884B (en) PROCESS FOR PREPARING POLYURETHANES.
NL144588B (en) PROCESS FOR THE PREPARATION OF N-METHYLNITROANILINS.
NL150442B (en) PROCESS FOR THE PREPARATION OF 5-BENZYLPYRIMIDINE DERIVATIVES.
NL148350B (en) PROCESS FOR THE PREPARATION OF DISAZOPIGMENTS.
FI48722C (en) Process for the preparation of 3-methylpentenes.
NL148618B (en) PROCESS FOR THE PREPARATION OF ENTCOPOLYMERS.
NL148915B (en) PROCESS FOR THE PREPARATION OF POLY-EPSILON-CAPROLACTAM.
NL147184B (en) PROCESS FOR THE PREPARATION OF LUBRICANTS.
NL146821B (en) PROCESS FOR PREPARING ALFA-TOCOFEROL.
NL147174B (en) PROCESS FOR THE PREPARATION OF BINING AGENTS BASED ON ALKALISILICATES.
NL161137B (en) PROCESS FOR THE PREPARATION OF UREA.
NL154209B (en) PROCESS FOR PREPARING INDANYL-N-METHYLCARBAMATES.
NL143253B (en) PROCESS FOR PREPARING POLYURETHANELASTOMERS.
NL157585B (en) PROCESS FOR THE PREPARATION OF ALKYLAROMATOES.
NL149488B (en) PROCESS FOR THE PREPARATION OF UREA.
NL162370B (en) PROCESS FOR THE PREPARATION OF UREA.
NL141178B (en) PROCESS FOR THE PREPARATION OF UREA.
NL150783B (en) PROCESS FOR THE PREPARATION OF STABLE MONOPERPHALIC ACID.
FI44593C (en) Process for the preparation of d (-) - pantolactone
NL143600B (en) PROCESS FOR PREPARING TRIOXANCOPOLYMERS.
NL146811B (en) PROCESS FOR THE PREPARATION OF 5-BENZYLPYRIMIDINE DERIVATIVES.
NL144927B (en) PROCESS FOR THE PREPARATION OF UREA.

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