ES399402A1 - Un procedimiento mejorado para la preparacion de urea. - Google Patents

Un procedimiento mejorado para la preparacion de urea.

Info

Publication number: ES399402A1
Authority: ES; Spain
Prior art keywords: urea; solution; steps; pressure; ammonium carbamate
Prior art date: 1971-02-03
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

ES399402A

Other languages

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.)

1971-02-03

Filing date

1972-02-02

Publication date

1974-10-16

1972-02-02 Application filed by Stamicarbon BV filed Critical Stamicarbon BV

1974-10-16 Publication of ES399402A1 publication Critical patent/ES399402A1/es

Status Expired legal-status Critical Current

Links

XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 7
239000004202 carbamide Substances 0.000 title abstract 7
238000000034 method Methods 0.000 title abstract 2
238000002360 preparation method Methods 0.000 title abstract 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
239000007789 gas Substances 0.000 abstract 4
BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 3
230000015572 biosynthetic process Effects 0.000 abstract 3
KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 3
238000003786 synthesis reaction Methods 0.000 abstract 3
229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
229910021529 ammonia Inorganic materials 0.000 abstract 1
239000001569 carbon dioxide Substances 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
229910000069 nitrogen hydride Inorganic materials 0.000 abstract 1
238000000926 separation method Methods 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

ES399402A 1971-02-03 1972-02-02 Un procedimiento mejorado para la preparacion de urea. Expired ES399402A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7101398A NL7101398A (es)	1971-02-03	1971-02-03

Publications (1)

Publication Number	Publication Date
ES399402A1 true ES399402A1 (es)	1974-10-16

Family

ID=19812391

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES399402A Expired ES399402A1 (es)	1971-02-03	1972-02-02	Un procedimiento mejorado para la preparacion de urea.

Country Status (6)

Country	Link
BR (1)	BR7200630D0 (es)
CA (1)	CA986952A (es)
ES (1)	ES399402A1 (es)
GB (1)	GB1377305A (es)
NL (1)	NL7101398A (es)
SE (1)	SE387335B (es)

1971
- 1971-02-03 NL NL7101398A patent/NL7101398A/xx not_active Application Discontinuation
1972
- 1972-01-27 GB GB389372A patent/GB1377305A/en not_active Expired
- 1972-02-02 ES ES399402A patent/ES399402A1/es not_active Expired
- 1972-02-03 SE SE7201285A patent/SE387335B/xx unknown
- 1972-02-03 BR BR630/72*[A patent/BR7200630D0/pt unknown
- 1972-02-03 CA CA133,857A patent/CA986952A/en not_active Expired

Also Published As

Publication number	Publication date
GB1377305A (en)	1974-12-11
BR7200630D0 (pt)	1973-06-21
CA986952A (en)	1976-04-06
NL7101398A (es)	1972-08-07
SE387335B (sv)	1976-09-06

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