ES344834A1 - Mejoras en los medios de obtencion de urea sintetica. - Google Patents

Mejoras en los medios de obtencion de urea sintetica.

Info

Publication number: ES344834A1
Authority: ES; Spain
Prior art keywords: urea; carbon dioxide; weight; synthesis step; ammonium carbamate
Prior art date: 1966-09-16
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

ES344834A

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.)

Toyo Koatsu Industries Inc

Original Assignee

Toyo Koatsu Industries Inc

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.)

1966-09-16

Filing date

1967-09-07

Publication date

1968-11-01

1967-09-07 Application filed by Toyo Koatsu Industries Inc filed Critical Toyo Koatsu Industries Inc

1968-11-01 Publication of ES344834A1 publication Critical patent/ES344834A1/es

Status Expired legal-status Critical Current

Links

XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 3
239000004202 carbamide Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 3
238000004519 manufacturing process Methods 0.000 title abstract 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 6
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
238000003786 synthesis reaction Methods 0.000 abstract 4
BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 3
239000001569 carbon dioxide Substances 0.000 abstract 3
229910002092 carbon dioxide Inorganic materials 0.000 abstract 3
KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 3
229910000851 Alloy steel Inorganic materials 0.000 abstract 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
229910021529 ammonia Inorganic materials 0.000 abstract 2
239000008246 gaseous mixture Substances 0.000 abstract 2
KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
239000005864 Sulphur Substances 0.000 abstract 1
230000002745 absorbent Effects 0.000 abstract 1
239000002250 absorbent Substances 0.000 abstract 1
229910045601 alloy Inorganic materials 0.000 abstract 1
239000000956 alloy Substances 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
230000015572 biosynthetic process Effects 0.000 abstract 1
229910052804 chromium Inorganic materials 0.000 abstract 1
239000011651 chromium Substances 0.000 abstract 1
238000005260 corrosion Methods 0.000 abstract 1
230000007797 corrosion Effects 0.000 abstract 1
239000012535 impurity Substances 0.000 abstract 1
229910052742 iron Inorganic materials 0.000 abstract 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
229910052750 molybdenum Inorganic materials 0.000 abstract 1
239000011733 molybdenum Substances 0.000 abstract 1
229910052759 nickel Inorganic materials 0.000 abstract 1
229910052757 nitrogen Inorganic materials 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
229910052698 phosphorus Inorganic materials 0.000 abstract 1
239000011574 phosphorus Substances 0.000 abstract 1
229910052710 silicon Inorganic materials 0.000 abstract 1
239000010703 silicon Substances 0.000 abstract 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
229910052721 tungsten Inorganic materials 0.000 abstract 1
239000010937 tungsten Substances 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
- 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)

ES344834A 1966-09-16 1967-09-07 Mejoras en los medios de obtencion de urea sintetica. Expired ES344834A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
ES344834A1 true ES344834A1 (es)	1968-11-01

Family

ID=13154065

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES344834A Expired ES344834A1 (es)	1966-09-16	1967-09-07	Mejoras en los medios de obtencion de urea sintetica.

Country Status (4)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59150067A (ja) *	1983-02-15	1984-08-28	Jgc Corp	耐食性に優れた極低温用ステンレス鋳鋼
NL8304381A (nl) *	1983-12-21	1985-07-16	Stamicarbon	Werkwijze en inrichting voor het bereiden van melamine.
BE1008133A3 (nl) *	1994-03-15	1996-01-23	Dsm Nv	Werkwijze voor de afscheiding van verontreinigingen uit een heet synthesegasmengsel bij de melaminebereiding.
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
GB2530447B (en)	2013-05-28	2020-02-26	Toyo Engineering Corp	Urea synthesis method

1967
- 1967-09-07 ES ES344834A patent/ES344834A1/es not_active Expired
- 1967-09-13 DE DE19671668724 patent/DE1668724C3/de not_active Expired
- 1967-09-14 GB GB42015/67A patent/GB1153107A/en not_active Expired
- 1967-09-14 NL NL676712586A patent/NL141178B/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL141178B (nl)	1974-02-15
NL6712586A (es)	1968-03-18
DE1668724A1 (de)	1972-01-05
DE1668724B2 (es)	1973-01-04
GB1153107A (en)	1969-05-21
DE1668724C3 (de)	1973-07-19

Publication	Publication Date	Title
GB1211497A (en)	1970-11-04	Process for the production of cyanogen chloride and/or cyanuric chloride and tetrameric cyanogen chloride
ES266395A1 (es)	1961-11-01	Un procedimiento para la preparaciën de urea
ES488100A1 (es)	1980-09-16	Procedimiento para la preparacion de cianuro de hidrogeno o acido cianhidrico
GB1153107A (en)	1969-05-21	Process for the production of Urea
GB1510538A (en)	1978-05-10	Colourless triethylene tetramine and tetraethylene pentamine
GB1353655A (en)	1974-05-22	Urea synthesis
GB1341497A (en)	1973-12-19	Process for the production of urea
GB1156180A (en)	1969-06-25	A Low Temperature Process for the Carbonitriding of Structural Steel and Cast Iron
GB1500476A (en)	1978-02-08	Process for carbonitriding articles of steel or cast iron
ES443998A1 (es)	1977-04-16	Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
GB1351523A (en)	1974-05-01	Catalyst and process for producing aromatic nitriles
ES341669A1 (es)	1968-07-01	Mejoras introducidas en un procedimiento para la sintesis de urea.
GB335947A (en)	1930-09-29	Improved process of producing hydrogen cyanide
US2935480A (en)	1960-05-03	Preparation of nitrogen oxides
GB1268266A (en)	1972-03-29	Process for the production of malonic acid dinitrile
GB1501038A (en)	1978-02-15	Synthesis of urea
GB1333544A (en)	1973-10-10	Method for processing at elevated temperature solutions containi ng ammonium carbamate
SE7904302L (sv)	1979-11-26	Bildning av cyanatforeningar
GB1306528A (en)	1973-02-14	Production of cyanogen
GB1010256A (en)	1965-11-17	Process for the production of adenine and 4,5-dicyanoimidazole
ES383810A1 (es)	1973-03-01	Procedimiento continuo mejorado para preparacion de una so-lucion que contiene una sal de hidrogenafosfato de hidroxi- lamonio.
GB1338490A (en)	1973-11-21	Production of 1,1-peroxydicyclohexylamine
GB1293307A (en)	1972-10-18	Process of synthesizing urea
GB1398917A (en)	1975-06-25	Production of cyanogen chloride
GB1303477A (es)	1973-01-17