CA1020578A - Methode de preparation d'uree a partir d'ammoniaque et d'acide carbonique - Google Patents

Methode de preparation d'uree a partir d'ammoniaque et d'acide carbonique

Info

Publication number
CA1020578A
CA1020578A CA199,987A CA199987A CA1020578A CA 1020578 A CA1020578 A CA 1020578A CA 199987 A CA199987 A CA 199987A CA 1020578 A CA1020578 A CA 1020578A
Authority
CA
Canada
Prior art keywords
ammonia
carbon dioxide
preparing urea
urea
preparing
Prior art date
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
CA199,987A
Other languages
English (en)
Other versions
CA199987S (en
Inventor
Johannes D.M. Verstegen
Petrus J.C. Kaasenbrood
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.)
Unie Van Kunstmestfabrieken BV
Original Assignee
Unie Van Kunstmestfabrieken 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.)
Filing date
Publication date
Application filed by Unie Van Kunstmestfabrieken BV filed Critical Unie Van Kunstmestfabrieken BV
Application granted granted Critical
Publication of CA1020578A publication Critical patent/CA1020578A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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)
  • Carbon And Carbon Compounds (AREA)
  • Catalysts (AREA)
CA199,987A 1973-05-21 1974-05-15 Methode de preparation d'uree a partir d'ammoniaque et d'acide carbonique Expired CA1020578A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1020578A true CA1020578A (fr) 1977-11-08

Family

ID=19818895

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199,987A Expired CA1020578A (fr) 1973-05-21 1974-05-15 Methode de preparation d'uree a partir d'ammoniaque et d'acide carbonique

Country Status (30)

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

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.
NL8104040A (nl) * 1981-09-01 1983-04-05 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.
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 (fr) * 2015-12-11 2017-06-14 Casale SA Processus de préparation d'urée avec stripage à haute température
CN116459534A (zh) * 2019-06-07 2023-07-21 斯塔米卡邦有限公司 具有汽提器的尿素设备和汽提方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108593C (fr) * 1958-05-07
GB948786A (en) * 1959-10-23 1964-02-05 Toyo Koatsu Ind Inc An improvement in synthesis of urea
NL250349A (fr) * 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 (fr) * 1972-05-23 1974-01-30

Also Published As

Publication number Publication date
IL44851A0 (en) 1974-07-31
SE419215B (sv) 1981-07-20
IE39437B1 (en) 1978-10-11
HU176432B (en) 1981-02-28
DE2424618A1 (de) 1974-12-12
AU6916374A (en) 1975-11-20
BR7404152D0 (pt) 1975-09-30
IT1013202B (it) 1977-03-30
JPS50116423A (fr) 1975-09-11
DD113528A5 (fr) 1975-06-12
FI61305C (fi) 1982-07-12
IL44851A (en) 1977-10-31
NO741833L (no) 1974-11-22
DE2424618C2 (de) 1982-10-07
JPS6117821B2 (fr) 1986-05-09
AT347966B (de) 1979-01-25
ATA421674A (de) 1978-06-15
FR2230626B1 (fr) 1977-10-28
PL100430B1 (pl) 1978-10-31
NL7307036A (fr) 1974-11-25
ZA743141B (en) 1975-05-28
NO149812B (no) 1984-03-19
US3957868A (en) 1976-05-18
GB1447914A (en) 1976-09-02
BG27895A3 (en) 1980-01-15
YU39306B (en) 1984-10-31
BE815333A (fr) 1974-11-21
TR18194A (tr) 1976-11-22
YU138774A (en) 1982-02-28
IN141227B (fr) 1977-02-05
EG11438A (en) 1977-08-15
FI152174A (fr) 1974-11-22
NO149812C (no) 1984-06-27
SU602115A3 (ru) 1978-04-05
ES426480A1 (es) 1976-11-16
IE39437L (en) 1974-11-21
RO70082A (fr) 1981-06-30
CS195684B2 (en) 1980-02-29
AR198940A1 (es) 1974-07-24
FR2230626A1 (fr) 1974-12-20
FI61305B (fi) 1982-03-31

Similar Documents

Publication Publication Date Title
CA1033542A (fr) Catalyseur servant a extraire l'ammoniac des gaz; procede utilise
CA1020578A (fr) Methode de preparation d'uree a partir d'ammoniaque et d'acide carbonique
AU474236B2 (en) Process for preparing urea
CA1008882A (en) Process for preparing acrylonitrile from propylene, ammonia and oxygen, in the presence of catalyst
CA1019341A (en) Oxidation catalyst prepared with nh3 and oxidation process
CA977368A (en) Process for preparing methacrylonitrile from isobutene, ammonia and oxygen, in the presence of catalysts
JPS5384918A (en) Process for preparing urea solution from nh3 and co2
AU480722B2 (en) Process for preparing urea from ammonia and carbon dioxide
CS194704B2 (en) Catalyst on carrier and process for preparing thereof
CA1024986A (fr) Procede de synthese des derives benzene-sulfonyle de l'uree
ZA754609B (en) Process for preparing 6-aminopenicillanic acid, 7-aminocephalosporanic acid and its derivatives at the 3-position
CA992724A (en) Catalyst and process for ammonia oxidation
CA1019344A (fr) Methode de reduction de la teneur du biuret dans l'uree
YU36932B (en) Process for obtaining 4-oxo-2-imidazolidinylidene urea
CA994523A (en) Process for the catalytic synthesis of ammonia
EG11494A (en) Acylated urea,process for their preparation and their use as herbicides
CA966617A (en) Process for prilling urea
CA1029034A (fr) Procede d'ammoxydation et catalyseur
AU466929B2 (en) Process for preparing urea
CA888751A (en) Process for the manufacture of urea from ammonia and carbon dioxide
CA839759A (en) Process for the synthesis of urea from ammonia and carbon dioxide
CA836984A (en) Process for producing ammonia and urea synthesis gases
CH611124A5 (en) Selective herbicide comprising novel urea derivatives, and process for the preparation of the novel urea derivatives
EG11349A (en) Process for preparing urea
CA1022103A (fr) Mode de purification des solutions d'uree