ZA743141B - Process for preparing urea from ammonia and carbon dioxide - Google Patents

Process for preparing urea from ammonia and carbon dioxide

Info

Publication number: ZA743141B
Authority: ZA; South Africa
Prior art keywords: ammonia; carbon dioxide; preparing urea; urea; preparing
Prior art date: 1973-05-21

Application number

ZA00743141A

Other languages

English (en)

Inventor

J Dieudonne

P Kaasenbrood

Original Assignee

Unie Van Kunstmestfab 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.)

1973-05-21

Filing date

1974-05-16

Publication date

1975-05-28

1974-05-16 Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv

1975-05-28 Publication of ZA743141B publication Critical patent/ZA743141B/xx

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

Landscapes

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

ZA00743141A 1973-05-21 1974-05-16 Process for preparing urea from ammonia and carbon dioxide ZA743141B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
ZA743141B true ZA743141B (en)	1975-05-28

Family

ID=19818895

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00743141A ZA743141B (en)	1973-05-21	1974-05-16	Process for preparing urea from ammonia and carbon dioxide

Country Status (30)

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

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 (xx) *	1958-05-07
GB948786A (en) *	1959-10-23	1964-02-05	Toyo Koatsu Ind Inc	An improvement in synthesis of urea
NL101446C (xx) *	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 (xx) *	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 FR FR7417005A patent/FR2230626B1/fr 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
- 1974-05-17 DD DD178578A patent/DD113528A5/xx unknown
- 1974-05-17 IL IL44851A patent/IL44851A/en unknown
- 1974-05-18 RO RO7478834A patent/RO70082A/ro unknown
- 1974-05-20 CS CS743593A patent/CS195684B2/cs unknown
- 1974-05-20 NO NO741833A patent/NO149812C/no unknown
- 1974-05-20 BG BG026745A patent/BG27895A3/xx unknown
- 1974-05-20 HU HU74UI216A patent/HU176432B/hu unknown
- 1974-05-20 ES ES426480A patent/ES426480A1/es not_active Expired
- 1974-05-20 YU YU1387/74A patent/YU39306B/xx unknown
- 1974-05-21 AT AT421674A patent/AT347966B/de not_active IP Right Cessation
- 1974-05-21 IE IE1086/74A patent/IE39437B1/xx unknown
- 1974-05-21 DE DE2424618A patent/DE2424618C2/de not_active Expired
- 1974-05-21 BE BE144565A patent/BE815333A/xx not_active IP Right Cessation
- 1974-05-21 IT IT51160/74A patent/IT1013202B/it active
- 1974-05-21 GB GB2259574A patent/GB1447914A/en not_active Expired
- 1974-05-21 BR BR4152/74A patent/BR7404152D0/pt unknown
- 1974-05-21 AR AR253858A patent/AR198940A1/es active
- 1974-05-21 SE SE7406809A patent/SE419215B/xx unknown
- 1974-05-21 TR TR18194A patent/TR18194A/xx unknown
- 1974-05-21 JP JP49057254A patent/JPS6117821B2/ja not_active Expired
- 1974-05-21 SU SU742034993A patent/SU602115A3/ru active
- 1974-05-21 EG EG187/74A patent/EG11438A/xx active
- 1974-05-21 PL PL1974171291A patent/PL100430B1/pl unknown
- 1974-07-15 IN IN1573/CAL/1974A patent/IN141227B/en unknown

Also Published As

Publication number	Publication date
NO741833L (no)	1974-11-22
NO149812B (no)	1984-03-19
US3957868A (en)	1976-05-18
DE2424618A1 (de)	1974-12-12
JPS50116423A (xx)	1975-09-11
EG11438A (en)	1977-08-15
AR198940A1 (es)	1974-07-24
ATA421674A (de)	1978-06-15
IL44851A (en)	1977-10-31
JPS6117821B2 (xx)	1986-05-09
IE39437B1 (en)	1978-10-11
BE815333A (fr)	1974-11-21
IN141227B (xx)	1977-02-05
AT347966B (de)	1979-01-25
FR2230626B1 (xx)	1977-10-28
IT1013202B (it)	1977-03-30
SU602115A3 (ru)	1978-04-05
YU138774A (en)	1982-02-28
FR2230626A1 (xx)	1974-12-20
DD113528A5 (xx)	1975-06-12
AU6916374A (en)	1975-11-20
IL44851A0 (en)	1974-07-31
NO149812C (no)	1984-06-27
CA1020578A (en)	1977-11-08
IE39437L (en)	1974-11-21
PL100430B1 (pl)	1978-10-31
RO70082A (ro)	1981-06-30
FI61305C (fi)	1982-07-12
BG27895A3 (en)	1980-01-15
FI61305B (fi)	1982-03-31
YU39306B (en)	1984-10-31
ES426480A1 (es)	1976-11-16
GB1447914A (en)	1976-09-02
TR18194A (tr)	1976-11-22
FI152174A (xx)	1974-11-22
BR7404152D0 (pt)	1975-09-30
CS195684B2 (en)	1980-02-29
SE419215B (sv)	1981-07-20
DE2424618C2 (de)	1982-10-07
HU176432B (en)	1981-02-28
NL7307036A (xx)	1974-11-25

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