FR2271200A1 - - Google Patents

Info

Publication number
FR2271200A1
FR2271200A1 FR7515022A FR7515022A FR2271200A1 FR 2271200 A1 FR2271200 A1 FR 2271200A1 FR 7515022 A FR7515022 A FR 7515022A FR 7515022 A FR7515022 A FR 7515022A FR 2271200 A1 FR2271200 A1 FR 2271200A1
Authority
FR
France
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.)
Granted
Application number
FR7515022A
Other versions
FR2271200B1 (fr
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of FR2271200A1 publication Critical patent/FR2271200A1/fr
Application granted granted Critical
Publication of FR2271200B1 publication Critical patent/FR2271200B1/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)
  • Glanulating (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
FR7515022A 1974-05-14 1975-05-14 Expired FR2271200B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5289174A JPS555977B2 (fr) 1974-05-14 1974-05-14

Publications (2)

Publication Number Publication Date
FR2271200A1 true FR2271200A1 (fr) 1975-12-12
FR2271200B1 FR2271200B1 (fr) 1980-08-01

Family

ID=12927475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7515022A Expired FR2271200B1 (fr) 1974-05-14 1975-05-14

Country Status (14)

Country Link
US (1) US4003801A (fr)
JP (1) JPS555977B2 (fr)
AT (1) AT347474B (fr)
BE (1) BE828819A (fr)
BR (1) BR7502789A (fr)
CA (1) CA1044257A (fr)
DE (1) DE2521507B2 (fr)
EG (1) EG11673A (fr)
ES (1) ES437246A1 (fr)
FR (1) FR2271200B1 (fr)
GB (1) GB1453422A (fr)
IN (1) IN140496B (fr)
NL (1) NL171266B (fr)
NO (1) NO149959C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268129A (en) * 1975-12-05 1977-06-06 Mitsui Toatsu Chem Inc Recovery of unreacted material and heat on urea synthesis
JPS5982081A (ja) * 1982-10-29 1984-05-11 Sanwa Shoji Kk 醗酵液の処理法およびその装置
US5744009A (en) * 1995-07-07 1998-04-28 The M. W. Kellogg Company Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator
NL1022526C2 (nl) * 2003-01-30 2004-08-04 Dsm Nv Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O.
EP2153880A1 (fr) * 2008-07-31 2010-02-17 Urea Casale S.A. Procédé et installation pour la production d'une solution d'urée à utiliser dans le procédé SCR pour la réduction de Nox
MX345383B (es) * 2011-08-17 2017-01-26 Stamicarbon Proceso para la producción de urea.
EA027675B1 (ru) 2012-05-03 2017-08-31 Стамикарбон Б.В. Способ и установка получения мочевины
IT201700121364A1 (it) 2017-10-25 2019-04-25 Saipem Spa Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea
JP6949693B2 (ja) * 2017-12-08 2021-10-13 東洋エンジニアリング株式会社 尿素、アンモニア及び二酸化炭素を含む水溶液の処理方法並びに処理設備
DE102019208859A1 (de) * 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148991A (en) * 1966-10-14 1969-04-16 Toyo Koatsu Ind Inc Process for synthesising urea
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
JPS4919259B1 (fr) * 1969-08-30 1974-05-16
JPS5535378B2 (fr) * 1973-02-14 1980-09-12

Also Published As

Publication number Publication date
NL171266B (nl) 1982-10-01
EG11673A (en) 1977-10-31
GB1453422A (en) 1976-10-20
JPS50142515A (fr) 1975-11-17
NO149959B (no) 1984-04-16
US4003801A (en) 1977-01-18
BE828819A (fr) 1975-09-01
NO751695L (fr) 1975-11-17
ATA369175A (de) 1978-05-15
AT347474B (de) 1978-12-27
IN140496B (fr) 1976-11-20
NO149959C (no) 1984-07-25
DE2521507A1 (de) 1975-11-27
FR2271200B1 (fr) 1980-08-01
CA1044257A (fr) 1978-12-12
NL7505667A (nl) 1975-11-18
JPS555977B2 (fr) 1980-02-12
DE2521507B2 (de) 1978-01-19
ES437246A1 (es) 1977-01-16
BR7502789A (pt) 1976-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse