CS195684B2 - Process for preparing urea - Google Patents

Process for preparing urea Download PDF

Info

Publication number
CS195684B2
CS195684B2 CS743593A CS359374A CS195684B2 CS 195684 B2 CS195684 B2 CS 195684B2 CS 743593 A CS743593 A CS 743593A CS 359374 A CS359374 A CS 359374A CS 195684 B2 CS195684 B2 CS 195684B2
Authority
CS
Czechoslovakia
Prior art keywords
reaction zone
ammonia
zone
carbon dioxide
gas
Prior art date
Application number
CS743593A
Other languages
Czech (cs)
English (en)
Inventor
Johannes D M Verstegen
Petrus J C 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.)
Filing date
Publication date
Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Publication of CS195684B2 publication Critical patent/CS195684B2/cs

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)
  • Carbon And Carbon Compounds (AREA)
  • Catalysts (AREA)
CS743593A 1973-05-21 1974-05-20 Process for preparing urea CS195684B2 (en)

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
CS195684B2 true CS195684B2 (en) 1980-02-29

Family

ID=19818895

Family Applications (1)

Application Number Title Priority Date Filing Date
CS743593A CS195684B2 (en) 1973-05-21 1974-05-20 Process for preparing urea

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
AR198940A1 (es) 1974-07-24
FR2230626A1 (fr) 1974-12-20
CA1020578A (fr) 1977-11-08
FI61305B (fi) 1982-03-31

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