ATA114874A - Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsynthese - Google Patents

Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsynthese

Info

Publication number
ATA114874A
ATA114874A AT114874A AT114874A ATA114874A AT A114874 A ATA114874 A AT A114874A AT 114874 A AT114874 A AT 114874A AT 114874 A AT114874 A AT 114874A AT A114874 A ATA114874 A AT A114874A
Authority
AT
Austria
Prior art keywords
unreposed
recovery
ammonium carbamate
urea synthesis
urea
Prior art date
Application number
AT114874A
Other languages
English (en)
Other versions
AT343670B (de
Original Assignee
Mitsui Toatsu Chemicals
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 Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of ATA114874A publication Critical patent/ATA114874A/de
Application granted granted Critical
Publication of AT343670B publication Critical patent/AT343670B/de

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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT114874A 1973-02-14 1974-02-13 Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsynthese AT343670B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1751873A JPS5535378B2 (de) 1973-02-14 1973-02-14

Publications (2)

Publication Number Publication Date
ATA114874A true ATA114874A (de) 1977-10-15
AT343670B AT343670B (de) 1978-06-12

Family

ID=11946165

Family Applications (1)

Application Number Title Priority Date Filing Date
AT114874A AT343670B (de) 1973-02-14 1974-02-13 Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsynthese

Country Status (16)

Country Link
US (1) US3944605A (de)
JP (1) JPS5535378B2 (de)
AR (1) AR197541A1 (de)
AT (1) AT343670B (de)
BR (1) BR7401038D0 (de)
CA (1) CA1012981A (de)
DE (1) DE2407019B2 (de)
EG (1) EG11283A (de)
ES (1) ES422910A1 (de)
FR (1) FR2217320B1 (de)
GB (1) GB1404115A (de)
IN (1) IN140031B (de)
IT (1) IT1007405B (de)
NL (1) NL162636C (de)
PH (1) PH11037A (de)
SU (1) SU1064863A3 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555977B2 (de) * 1974-05-14 1980-02-12
AR206244A1 (es) * 1975-05-06 1976-07-07 Mitsui Toatsu Chemicals Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea
JPS585190B2 (ja) * 1975-09-22 1983-01-29 三井東圧化学株式会社 尿素合成における未反応物の分離回収方法
JPS5268129A (en) * 1975-12-05 1977-06-06 Mitsui Toatsu Chem Inc Recovery of unreacted material and heat on urea synthesis
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
JPS5867661A (ja) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc 尿素合成法
JPS58217750A (ja) * 1982-06-14 1983-12-17 Suzuki Motor Co Ltd 空燃比制御エンジンにおけるアイドルアツプ装置
US5316554A (en) * 1992-06-03 1994-05-31 Hansen Charles N Method for processing crystalline ammonium carbamate
EP2397463A1 (de) * 2010-06-16 2011-12-21 Urea Casale SA Verfahren zur Modernisierung einer selbst-strippenden Harnstoffanlage
US9677817B1 (en) 2012-02-29 2017-06-13 The United States Of America As Represented By The Secretary Of The Air Force Method for thermal management through use of ammonium carbamate
DE102013113980A1 (de) * 2013-12-12 2015-06-18 Thyssenkrupp Ag Verfahren zur Herstellung von Ammoniakgas und CO2 für eine Harnstoffsynthese
US10315986B1 (en) * 2018-04-06 2019-06-11 Solenis Technologies, L.P. Systems and methods for forming a solution of ammonium carbamate
US11912649B2 (en) 2019-12-30 2024-02-27 Stamicarbon B.V. Ammonia removal from urea finishing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544628A (en) * 1965-09-20 1970-12-01 Pullman Inc Urea synthesis
US3573173A (en) * 1968-07-24 1971-03-30 Mitsui Toatsu Chemicals Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia

Also Published As

Publication number Publication date
BR7401038D0 (pt) 1974-09-10
NL162636B (nl) 1980-01-15
FR2217320B1 (de) 1978-01-06
AT343670B (de) 1978-06-12
AR197541A1 (es) 1974-04-15
SU1064863A3 (ru) 1983-12-30
IT1007405B (it) 1976-10-30
CA1012981A (en) 1977-06-28
ES422910A1 (es) 1976-05-01
NL7402055A (de) 1974-08-16
PH11037A (en) 1977-10-25
IN140031B (de) 1976-09-04
US3944605A (en) 1976-03-16
JPS49102620A (de) 1974-09-27
FR2217320A1 (de) 1974-09-06
JPS5535378B2 (de) 1980-09-12
AU6495274A (en) 1975-07-31
NL162636C (nl) 1980-06-16
DE2407019A1 (de) 1974-09-12
GB1404115A (en) 1975-08-28
DE2407019B2 (de) 1976-08-19
EG11283A (en) 1977-01-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties