BG27895A3 - Method of obtaining of carbamide - Google Patents

Method of obtaining of carbamide

Info

Publication number: BG27895A3
Authority: BG; Bulgaria
Prior art keywords: reaction zone; ammonia; carbon dioxide; pressure; zone
Prior art date: 1973-05-21

Application number

BG026745A

Other languages

Bulgarian (bg)

English (en)

Inventor

Johannes Verstegen

Petrus Kaasenbroocl

Original Assignee

Unie Van Kunstmestfabriken B.V.

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.)

1973-05-21

Filing date

1974-05-20

Publication date

1980-01-15

1974-05-20 Application filed by Unie Van Kunstmestfabriken B.V. filed Critical Unie Van Kunstmestfabriken B.V.

1980-01-15 Publication of BG27895A3 publication Critical patent/BG27895A3/xx

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 2
238000000034 method Methods 0.000 title abstract 2
235000013877 carbamide Nutrition 0.000 title 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 6
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 6
238000006243 chemical reaction Methods 0.000 abstract 6
229910021529 ammonia Inorganic materials 0.000 abstract 3
229910002092 carbon dioxide Inorganic materials 0.000 abstract 3
239000001569 carbon dioxide Substances 0.000 abstract 3
239000000203 mixture Substances 0.000 abstract 2
238000000926 separation method Methods 0.000 abstract 2
BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 1
230000015572 biosynthetic process Effects 0.000 abstract 1
KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 1
238000000354 decomposition reaction Methods 0.000 abstract 1
239000007789 gas Substances 0.000 abstract 1
239000011261 inert gas Substances 0.000 abstract 1
239000007791 liquid phase Substances 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1
238000003786 synthesis reaction Methods 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

Landscapes

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

BG026745A 1973-05-21 1974-05-20 Method of obtaining of carbamide BG27895A3 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7307036A NL7307036A (ro)	1973-05-21	1973-05-21

Publications (1)

Publication Number	Publication Date
BG27895A3 true BG27895A3 (en)	1980-01-15

Family

ID=19818895

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BG026745A BG27895A3 (en)	1973-05-21	1974-05-20	Method of obtaining of carbamide

Country Status (30)

Country	Link
US (1)	US3957868A (ro)
JP (1)	JPS6117821B2 (ro)
AR (1)	AR198940A1 (ro)
AT (1)	AT347966B (ro)
BE (1)	BE815333A (ro)
BG (1)	BG27895A3 (ro)
BR (1)	BR7404152D0 (ro)
CA (1)	CA1020578A (ro)
CS (1)	CS195684B2 (ro)
DD (1)	DD113528A5 (ro)
DE (1)	DE2424618C2 (ro)
EG (1)	EG11438A (ro)
ES (1)	ES426480A1 (ro)
FI (1)	FI61305C (ro)
FR (1)	FR2230626B1 (ro)
GB (1)	GB1447914A (ro)
HU (1)	HU176432B (ro)
IE (1)	IE39437B1 (ro)
IL (1)	IL44851A (ro)
IN (1)	IN141227B (ro)
IT (1)	IT1013202B (ro)
NL (1)	NL7307036A (ro)
NO (1)	NO149812C (ro)
PL (1)	PL100430B1 (ro)
RO (1)	RO70082A (ro)
SE (1)	SE419215B (ro)
SU (1)	SU602115A3 (ro)
TR (1)	TR18194A (ro)
YU (1)	YU39306B (ro)
ZA (1)	ZA743141B (ro)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4210600A (en) *	1976-10-28	1980-07-01	Snamprogetti, S.P.A.	Method for the preparation of urea with a high-yield reactor
JPS5811432B2 (ja) *	1979-10-08	1983-03-02	三井東圧化学株式会社	尿素合成法
JPS57128669A (en) *	1981-02-03	1982-08-10	Toyo Eng Corp	Improvement of urea preparation process
NL8101174A (nl) *	1981-03-11	1982-10-01	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8104039A (nl) *	1981-09-01	1983-04-05	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8104040A (nl) *	1981-09-01	1983-04-05	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8204979A (nl) *	1982-12-24	1984-07-16	Unie Van Kunstmestfab Bv	Werkwijze voor het bepalen en regelen van de samenstelling van waterige oplossingen van nh3 en co2.
NL8303425A (nl) *	1983-10-06	1985-05-01	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
EP3178535A1 (en)	2015-12-11	2017-06-14	Casale SA	A urea process with high-temperature stripping
AU2020288071B2 (en) *	2019-06-07	2021-11-11	Stamicarbon B.V.	Urea plant with stripper and stripping method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU37175A1 (ro) *	1958-05-07
GB948786A (en) *	1959-10-23	1964-02-05	Toyo Koatsu Ind Inc	An improvement in synthesis of urea
NL101446C (ro) *	1960-04-08
US3406201A (en) *	1965-06-18	1968-10-15	Exxon Research Engineering Co	Urea synthesis
AT284138B (de) *	1968-02-06	1970-09-10	Snam Progetti	Verfahren zur Herstellung von Harnstoff
US3579636A (en) *	1968-05-16	1971-05-18	Ivo Mavrovic	Urea synthesis process
US3607937A (en) *	1968-06-26	1971-09-21	Mitsui Toatsu Chemicals	Two-stage urea synthesis
NL165712C (nl) *	1970-05-30	1981-05-15	Stamicarbon	Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese.
US3816528A (en) *	1970-11-16	1974-06-11	Chemical Construction Corp	Urea synthesis process
US3785458A (en) *	1972-04-14	1974-01-15	Caterpillar Tractor Co	Lubrication system for a gear drive mechanism
JPS4910654A (ro) *	1972-05-23	1974-01-30

1973
- 1973-05-21 NL NL7307036A patent/NL7307036A/xx not_active Application Discontinuation
1974
- 1974-05-15 CA CA199,987A patent/CA1020578A/en not_active Expired
- 1974-05-16 FI FI1521/74A patent/FI61305C/fi active
- 1974-05-16 US US05/470,663 patent/US3957868A/en not_active Expired - Lifetime
- 1974-05-16 ZA ZA00743141A patent/ZA743141B/xx unknown
- 1974-05-16 FR FR7417005A patent/FR2230626B1/fr not_active Expired
- 1974-05-17 IL IL44851A patent/IL44851A/en unknown
- 1974-05-17 DD DD178578A patent/DD113528A5/xx unknown
- 1974-05-18 RO RO7478834A patent/RO70082A/ro unknown
- 1974-05-20 NO NO741833A patent/NO149812C/no unknown
- 1974-05-20 CS CS743593A patent/CS195684B2/cs unknown
- 1974-05-20 BG BG026745A patent/BG27895A3/xx unknown
- 1974-05-20 YU YU1387/74A patent/YU39306B/xx unknown
- 1974-05-20 ES ES426480A patent/ES426480A1/es not_active Expired
- 1974-05-20 HU HU74UI216A patent/HU176432B/hu unknown
- 1974-05-21 TR TR18194A patent/TR18194A/xx unknown
- 1974-05-21 SE SE7406809A patent/SE419215B/xx unknown
- 1974-05-21 PL PL1974171291A patent/PL100430B1/pl unknown
- 1974-05-21 IT IT51160/74A patent/IT1013202B/it active
- 1974-05-21 BE BE144565A patent/BE815333A/xx not_active IP Right Cessation
- 1974-05-21 BR BR4152/74A patent/BR7404152D0/pt unknown
- 1974-05-21 SU SU742034993A patent/SU602115A3/ru active
- 1974-05-21 JP JP49057254A patent/JPS6117821B2/ja not_active Expired
- 1974-05-21 IE IE1086/74A patent/IE39437B1/xx unknown
- 1974-05-21 GB GB2259574A patent/GB1447914A/en not_active Expired
- 1974-05-21 AR AR253858A patent/AR198940A1/es active
- 1974-05-21 AT AT421674A patent/AT347966B/de not_active IP Right Cessation
- 1974-05-21 DE DE2424618A patent/DE2424618C2/de not_active Expired
- 1974-05-21 EG EG187/74A patent/EG11438A/xx active
- 1974-07-15 IN IN1573/CAL/1974A patent/IN141227B/en unknown

Also Published As

Publication number	Publication date
BE815333A (fr)	1974-11-21
FI152174A (ro)	1974-11-22
BR7404152D0 (pt)	1975-09-30
HU176432B (en)	1981-02-28
CS195684B2 (en)	1980-02-29
AU6916374A (en)	1975-11-20
JPS50116423A (ro)	1975-09-11
YU138774A (en)	1982-02-28
AT347966B (de)	1979-01-25
IL44851A (en)	1977-10-31
NO741833L (no)	1974-11-22
IE39437L (en)	1974-11-21
DD113528A5 (ro)	1975-06-12
SE419215B (sv)	1981-07-20
ZA743141B (en)	1975-05-28
EG11438A (en)	1977-08-15
NL7307036A (ro)	1974-11-25
IE39437B1 (en)	1978-10-11
IL44851A0 (en)	1974-07-31
RO70082A (ro)	1981-06-30
US3957868A (en)	1976-05-18
FR2230626A1 (ro)	1974-12-20
JPS6117821B2 (ro)	1986-05-09
YU39306B (en)	1984-10-31
NO149812C (no)	1984-06-27
ATA421674A (de)	1978-06-15
FR2230626B1 (ro)	1977-10-28
AR198940A1 (es)	1974-07-24
PL100430B1 (pl)	1978-10-31
GB1447914A (en)	1976-09-02
NO149812B (no)	1984-03-19
SU602115A3 (ru)	1978-04-05
DE2424618C2 (de)	1982-10-07
TR18194A (tr)	1976-11-22
DE2424618A1 (de)	1974-12-12
IN141227B (ro)	1977-02-05
FI61305C (fi)	1982-07-12
FI61305B (fi)	1982-03-31
IT1013202B (it)	1977-03-30
CA1020578A (en)	1977-11-08
ES426480A1 (es)	1976-11-16

Publication	Publication Date	Title
LT2206B (lt)	1993-11-15	Karbamido gavimo budas
BG27895A3 (en)	1980-01-15	Method of obtaining of carbamide
GB1365707A (en)	1974-09-04	Process for preparing urea
BG29133A3 (en)	1980-09-15	Integrated method for synthesis of carbamide and ammonia
BG33884A3 (en)	1983-05-16	Method for producing formamid and its methyl derivatives
GB1148767A (en)	1969-04-16	Process for the production of melamine
GB1388669A (en)	1975-03-26	Process for reducing the concentration of nitrogen oxides in gases
ES337636A1 (es)	1968-03-01	Un procedimiento para la produccion de urea a partir de a- moniaco y dioxido de carbono.
ES8404676A1 (es)	1984-05-01	Procedimiento para preparar urea.
US3937793A (en)	1976-02-10	Process for the continuous manufacture of crystallized ammonium thiosulfate
GB1341497A (en)	1973-12-19	Process for the production of urea
ES373889A1 (es)	1972-04-01	Un procedimiento continuo para la fabricacion de adiponi- trilo.
GB1259976A (en)	1972-01-12	Urea synthesis process
ES8104141A1 (es)	1981-04-16	Procedimiento para la separacion de nh3 sustancialmente puroy co2 sustancialmente puro de una mezcla que contiene nh3, co2 y agua
ES443998A1 (es)	1977-04-16	Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
GB1031528A (en)	1966-06-02	Method for producing urea starting from carbon dioxide and ammonia
GB1099371A (en)	1968-01-17	Process for the production of urea by synthesis from ammonia and carbon dioxide
US4092358A (en)	1978-05-30	Process for the production of urea having a low carbamate content
GB1315592A (en)	1973-05-02	Process for conversion of hydrogen sulphide into free sulphur
GB987500A (en)	1965-03-31	Process for the production of urea
US3667907A (en)	1972-06-06	Manufacture of hydrogen cyanide
GB1287548A (en)	1972-08-31	A process for purifying waste gases from the production of ammonium nitrite and re-using them for the production of ammonium carbonate
ES426986A1 (es)	1976-09-01	Un procedimiento de sintesis de urea.
KR840001132A (ko)	1984-03-28	요소 제조 방법
SU375287A1 (ru)	1973-03-23	Шсвооюзная й4трйтй