NL144927B - PROCESS FOR THE PREPARATION OF UREA. - Google Patents

PROCESS FOR THE PREPARATION OF UREA.

Info

Publication number
NL144927B
NL144927B NL686806787A NL6806787A NL144927B NL 144927 B NL144927 B NL 144927B NL 686806787 A NL686806787 A NL 686806787A NL 6806787 A NL6806787 A NL 6806787A NL 144927 B NL144927 B NL 144927B
Authority
NL
Netherlands
Prior art keywords
urea
preparation
Prior art date
Application number
NL686806787A
Other languages
Dutch (nl)
Other versions
NL144927C (en
NL6806787A (en
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of NL6806787A publication Critical patent/NL6806787A/xx
Publication of NL144927B publication Critical patent/NL144927B/en
Application granted granted Critical
Publication of NL144927C publication Critical patent/NL144927C/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
    • 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
NL6806787.A 1967-12-14 1968-05-14 PROCESS FOR THE CONTINUOUS PREPARATION OF UREA. NL144927C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2385467 1967-12-14

Publications (3)

Publication Number Publication Date
NL6806787A NL6806787A (en) 1969-06-17
NL144927B true NL144927B (en) 1975-02-17
NL144927C NL144927C (en) 1980-10-15

Family

ID=11210433

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6806787.A NL144927C (en) 1967-12-14 1968-05-14 PROCESS FOR THE CONTINUOUS PREPARATION OF UREA.

Country Status (14)

Country Link
AT (1) AT284860B (en)
BE (1) BE717020A (en)
CH (1) CH490344A (en)
CS (1) CS177010B2 (en)
DE (1) DE1768600C3 (en)
DK (1) DK122074B (en)
ES (1) ES359052A1 (en)
FR (1) FR1572656A (en)
GB (1) GB1181039A (en)
IE (1) IE32163B1 (en)
LU (1) LU56302A1 (en)
NL (1) NL144927C (en)
NO (1) NO127498B (en)
YU (1) YU34282B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH12569A (en) * 1970-09-03 1979-06-20 Snam Progetti Process for producing urea
BE790015A (en) * 1971-10-19 1973-04-12 Mavrovic Ivo UREA SYNTHESIS WITH IMPROVED CONVERSION AND HEAT RECOVERY
NL8101174A (en) * 1981-03-11 1982-10-01 Unie Van Kunstmestfab Bv METHOD FOR THE PREPARATION OF UREA.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR846559A (en) * 1938-01-06 1939-09-20 Alais Process for the dehydration of mixtures of carbonic acid and ammonia
NL108928C (en) * 1958-05-20
US3053891A (en) * 1959-05-05 1962-09-11 Chemical Construction Corp Process for production of urea
US3147304A (en) * 1960-06-21 1964-09-01 Chemical Construction Corp Method for heat recovery in urea synthesis process
NL126425C (en) * 1961-07-21
FR1450899A (en) * 1964-10-16 1966-06-24 Toyo Koatsu Ind Inc Process for treating an effluent from urea synthesis

Also Published As

Publication number Publication date
NL144927C (en) 1980-10-15
ES359052A1 (en) 1970-05-16
LU56302A1 (en) 1968-09-30
CS177010B2 (en) 1977-07-29
FR1572656A (en) 1969-06-27
AT284860B (en) 1970-10-12
YU34282B (en) 1979-04-30
DE1768600B2 (en) 1974-08-08
BE717020A (en) 1968-12-23
NL6806787A (en) 1969-06-17
NO127498B (en) 1973-07-02
CH490344A (en) 1970-05-15
GB1181039A (en) 1970-02-11
IE32163L (en) 1969-06-14
DE1768600A1 (en) 1972-05-04
YU113068A (en) 1978-10-31
IE32163B1 (en) 1973-05-02
DE1768600C3 (en) 1984-02-02
DK122074B (en) 1972-01-17

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Legal Events

Date Code Title Description
P2G Not automatically granted patents, but text of patent specification is modified with respect to the text of examined patent ap
V1 Lapsed because of non-payment of the annual fee