JPS56128749A - Stripping of unreacted material in urea preparation process - Google Patents
Stripping of unreacted material in urea preparation processInfo
- Publication number
- JPS56128749A JPS56128749A JP3089380A JP3089380A JPS56128749A JP S56128749 A JPS56128749 A JP S56128749A JP 3089380 A JP3089380 A JP 3089380A JP 3089380 A JP3089380 A JP 3089380A JP S56128749 A JPS56128749 A JP S56128749A
- Authority
- JP
- Japan
- Prior art keywords
- urea
- stripping
- ammonia
- liquid
- gas
- 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.)
- Granted
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)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3089380A JPS56128749A (en) | 1980-03-13 | 1980-03-13 | Stripping of unreacted material in urea preparation process |
US06/240,170 US4321410A (en) | 1980-03-13 | 1981-03-03 | Method of stripping unreacted materials in urea synthesis process |
IN242/CAL/81A IN153897B (US07223432-20070529-C00017.png) | 1980-03-13 | 1981-03-06 | |
GB8107371A GB2072170B (en) | 1980-03-13 | 1981-03-09 | Method of stripping unreacted materials in urea synthesis process |
IT20226/81A IT1141993B (it) | 1980-03-13 | 1981-03-09 | Metodo per la separazione(stripping)di materiali non reagitti in un processo di sintesi di urea |
FR8104936A FR2478089A1 (fr) | 1980-03-13 | 1981-03-12 | Procede d'extraction des materiaux n'ayant pas reagi dans la synthese de l'uree |
CA000372862A CA1150312A (en) | 1980-03-13 | 1981-03-12 | Method of stripping unreacted materials in urea synthesis process |
NL8101209A NL8101209A (nl) | 1980-03-13 | 1981-03-12 | Werkwijze voor het verwijderen van niet-omgezette verbindingen bij de bereiding van ureum. |
BR8101467A BR8101467A (pt) | 1980-03-13 | 1981-03-12 | Processo para extrair materiais nao reagidos no processo de sintese da ureia |
DE3109744A DE3109744C2 (de) | 1980-03-13 | 1981-03-13 | Verfahren zum Abstreifen von nicht-umgesetzten Materialien im Harnstoffsyntheseverfahren |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3089380A JPS56128749A (en) | 1980-03-13 | 1980-03-13 | Stripping of unreacted material in urea preparation process |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56128749A true JPS56128749A (en) | 1981-10-08 |
JPS6234033B2 JPS6234033B2 (US07223432-20070529-C00017.png) | 1987-07-24 |
Family
ID=12316399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3089380A Granted JPS56128749A (en) | 1980-03-13 | 1980-03-13 | Stripping of unreacted material in urea preparation process |
Country Status (10)
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3364579D1 (en) * | 1982-06-03 | 1986-08-28 | Montedison Spa | Method for avoiding the corrosion of strippers in urea manufacturing plants |
NL187393C (nl) * | 1982-11-26 | 1991-09-16 | V I Kucheryavy T M Bogdanova D | Werkwijze voor het bereiden van ureum. |
IT1163795B (it) * | 1983-07-18 | 1987-04-08 | Montedison Spa | Apparecchio per lo strippaggio dell'ammoniaca dalle soluzioni provenienti dalla sintesi dell'urea |
ATE37868T1 (de) * | 1984-05-19 | 1988-10-15 | Ammonia Casale Sa | Verfahren zur herstellung von harnstoff. |
US5635077A (en) | 1993-04-29 | 1997-06-03 | The Dow Chemical Company | Ammonia removal |
US5641401A (en) * | 1993-04-29 | 1997-06-24 | The Dow Chemical Company | Sludge deodorization |
US5385646A (en) * | 1993-09-03 | 1995-01-31 | Farmland Industries, Inc. | Method of treating chemical process effluent |
US5779861A (en) * | 1993-09-03 | 1998-07-14 | Farmland Industries, Inc. | Method for treating process condensate |
US5643420A (en) * | 1993-09-03 | 1997-07-01 | Farmland Industries, Inc. | Method for treating process condensate |
US6464875B1 (en) | 1999-04-23 | 2002-10-15 | Gold Kist, Inc. | Food, animal, vegetable and food preparation byproduct treatment apparatus and process |
US20060289003A1 (en) * | 2004-08-20 | 2006-12-28 | Lackner Klaus S | Laminar scrubber apparatus for capturing carbon dioxide from air and methods of use |
WO2007018558A2 (en) * | 2005-07-20 | 2007-02-15 | The Trustees Of Columbia University In The City Of New York | Electrochemical recovery of carbon dioxide from alkaline solvents |
ES2638792T3 (es) * | 2005-07-28 | 2017-10-24 | Carbon Sink Inc. | Eliminación de dióxido de carbono del aire |
US9266051B2 (en) | 2005-07-28 | 2016-02-23 | Carbon Sink, Inc. | Removal of carbon dioxide from air |
EP2668992A3 (en) | 2006-03-08 | 2014-04-02 | Kilimanjaro Energy, Inc. | Air collector with functionalized ion exchange membrane for capturing ambient CO2 |
RU2009116621A (ru) * | 2006-10-02 | 2010-11-10 | ГЛОБАЛ РИСЕРЧ ТЕКНОЛОДЖИЗ, ЭлЭлСи (US) | Способ и аппарат для извлечения диоксида углерода из воздуха |
CN101588856A (zh) * | 2006-11-15 | 2009-11-25 | 环球研究技术有限公司 | 从空气中除去二氧化碳 |
WO2008131132A1 (en) | 2007-04-17 | 2008-10-30 | Global Research Technologies, Llc | Capture of carbon dioxide (co2) from air |
US8262774B2 (en) * | 2007-11-20 | 2012-09-11 | Kilimanjaro Energy, Inc. | Air collector with functionalized ion exchange membrane for capturing ambient CO2 |
US20090232861A1 (en) | 2008-02-19 | 2009-09-17 | Wright Allen B | Extraction and sequestration of carbon dioxide |
US8999279B2 (en) | 2008-06-04 | 2015-04-07 | Carbon Sink, Inc. | Laminar flow air collector with solid sorbent materials for capturing ambient CO2 |
WO2010019608A1 (en) * | 2008-08-11 | 2010-02-18 | Global Research Technologies, Llc | Method and apparatus for removing ammonia from a gas stream |
WO2010019600A2 (en) * | 2008-08-11 | 2010-02-18 | Global Research Technologies, Llc | Method and apparatus for extracting carbon dioxide from air |
US20110203311A1 (en) * | 2008-08-22 | 2011-08-25 | Wright Allen B | Removal of carbon dioxide from air |
CA3091524A1 (en) | 2018-02-16 | 2019-08-22 | Carbon Sink, Inc. | Fluidized bed extractors for capture of co2 from ambient air |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL280713A (US07223432-20070529-C00017.png) * | 1961-07-14 | 1900-01-01 | ||
US3301897A (en) * | 1965-11-08 | 1967-01-31 | Chemical Construction Corp | Process for urea synthesis |
CH498811A (de) * | 1967-05-22 | 1970-11-15 | Chemical Construction Corp | Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd |
NL156686B (nl) * | 1968-03-16 | 1978-05-16 | Stamicarbon | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
JPS4919259B1 (US07223432-20070529-C00017.png) * | 1969-08-30 | 1974-05-16 | ||
US3759992A (en) * | 1970-06-29 | 1973-09-18 | I Mavrovic | Urea synthesis |
US4088685A (en) * | 1971-10-19 | 1978-05-09 | Ivo Mavrovic | Urea synthesis with improved heat recovery and conversion |
BE790015A (fr) * | 1971-10-19 | 1973-04-12 | Mavrovic Ivo | Synthese de l'uree avec conversion et recuperation de chaleur ameliorees |
NL172539C (nl) * | 1972-06-12 | 1983-09-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
US4256662A (en) * | 1980-01-18 | 1981-03-17 | Gorlovsky David M | Process for producing urea |
-
1980
- 1980-03-13 JP JP3089380A patent/JPS56128749A/ja active Granted
-
1981
- 1981-03-03 US US06/240,170 patent/US4321410A/en not_active Expired - Lifetime
- 1981-03-06 IN IN242/CAL/81A patent/IN153897B/en unknown
- 1981-03-09 IT IT20226/81A patent/IT1141993B/it active
- 1981-03-09 GB GB8107371A patent/GB2072170B/en not_active Expired
- 1981-03-12 CA CA000372862A patent/CA1150312A/en not_active Expired
- 1981-03-12 BR BR8101467A patent/BR8101467A/pt not_active IP Right Cessation
- 1981-03-12 NL NL8101209A patent/NL8101209A/nl not_active Application Discontinuation
- 1981-03-12 FR FR8104936A patent/FR2478089A1/fr active Granted
- 1981-03-13 DE DE3109744A patent/DE3109744C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NL8101209A (nl) | 1981-10-01 |
US4321410A (en) | 1982-03-23 |
GB2072170A (en) | 1981-09-30 |
FR2478089A1 (fr) | 1981-09-18 |
DE3109744A1 (de) | 1982-01-07 |
BR8101467A (pt) | 1981-09-15 |
IT8120226A0 (it) | 1981-03-09 |
GB2072170B (en) | 1984-09-26 |
FR2478089B1 (US07223432-20070529-C00017.png) | 1983-02-04 |
IN153897B (US07223432-20070529-C00017.png) | 1984-08-25 |
IT1141993B (it) | 1986-10-08 |
DE3109744C2 (de) | 1994-03-03 |
JPS6234033B2 (US07223432-20070529-C00017.png) | 1987-07-24 |
CA1150312A (en) | 1983-07-19 |
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