NL8101209A - Werkwijze voor het verwijderen van niet-omgezette verbindingen bij de bereiding van ureum. - Google Patents

Werkwijze voor het verwijderen van niet-omgezette verbindingen bij de bereiding van ureum. Download PDF

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Publication number
NL8101209A
NL8101209A NL8101209A NL8101209A NL8101209A NL 8101209 A NL8101209 A NL 8101209A NL 8101209 A NL8101209 A NL 8101209A NL 8101209 A NL8101209 A NL 8101209A NL 8101209 A NL8101209 A NL 8101209A
Authority
NL
Netherlands
Prior art keywords
urea
reaction product
carbon dioxide
ammonia
stripping
Prior art date
Application number
NL8101209A
Other languages
English (en)
Dutch (nl)
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 NL8101209A publication Critical patent/NL8101209A/nl

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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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL8101209A 1980-03-13 1981-03-12 Werkwijze voor het verwijderen van niet-omgezette verbindingen bij de bereiding van ureum. NL8101209A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3089380 1980-03-13
JP3089380A JPS56128749A (en) 1980-03-13 1980-03-13 Stripping of unreacted material in urea preparation process

Publications (1)

Publication Number Publication Date
NL8101209A true NL8101209A (nl) 1981-10-01

Family

ID=12316399

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8101209A NL8101209A (nl) 1980-03-13 1981-03-12 Werkwijze voor het verwijderen van niet-omgezette verbindingen bij de bereiding van ureum.

Country Status (10)

Country Link
US (1) US4321410A (de)
JP (1) JPS56128749A (de)
BR (1) BR8101467A (de)
CA (1) CA1150312A (de)
DE (1) DE3109744C2 (de)
FR (1) FR2478089A1 (de)
GB (1) GB2072170B (de)
IN (1) IN153897B (de)
IT (1) IT1141993B (de)
NL (1) NL8101209A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8204601A (nl) * 1982-11-26 1984-06-18 V I Kucheryavy T M Bogdanova D Werkwijze voor het bereiden van ureum.

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096151B1 (de) * 1982-06-03 1986-07-23 Montedison S.p.A. Verfahren zur Verhinderung der Korrosion von Abstreifern in Anlagen zur Herstellung von Harnstoff
IT1163795B (it) * 1983-07-18 1987-04-08 Montedison Spa Apparecchio per lo strippaggio dell'ammoniaca dalle soluzioni provenienti dalla sintesi dell'urea
DE3565532D1 (en) * 1984-05-19 1988-11-17 Ammonia Casale Sa Process for the preparation of urea
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
US5643420A (en) * 1993-09-03 1997-07-01 Farmland Industries, Inc. Method for treating process condensate
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
US6464875B1 (en) 1999-04-23 2002-10-15 Gold Kist, Inc. Food, animal, vegetable and food preparation byproduct treatment apparatus and process
WO2006023743A2 (en) * 2004-08-20 2006-03-02 The Trustees Of Columbia University In The City Of New York Laminar scrubber apparatus for capturing carbon dioxide from air and methods of use
US20070187247A1 (en) * 2005-07-20 2007-08-16 Lackner Klaus S Electrochemical methods and processes for carbon dioxide recovery from alkaline solvents for carbon dioxide capture from air
US9266051B2 (en) 2005-07-28 2016-02-23 Carbon Sink, Inc. Removal of carbon dioxide from air
JP2009502483A (ja) * 2005-07-28 2009-01-29 グローバル リサーチ テクノロジーズ，エルエルシー 空気からの二酸化炭素除去
MX2008011464A (es) 2006-03-08 2008-09-24 Global Res Technologies Llc Colector de aire con membrana funcionalizada de intercambio ionico para capturar dioxido de carbono (co2) ambiental.
KR20090086530A (ko) * 2006-10-02 2009-08-13 글로벌 리서치 테크놀로지스, 엘엘씨 공기로부터 이산화탄소를 추출하는 방법 및 장치
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
AU2008242845B2 (en) 2007-04-17 2012-08-23 Carbon Sink, Inc. Capture of carbon dioxide (CO2) from air
WO2009067625A1 (en) * 2007-11-20 2009-05-28 Global Research Technologies, Llc Air collector with functionalized ion exchange membrane for capturing ambient co2
CA2715874C (en) 2008-02-19 2019-06-25 Global Research Technologies, Llc Extraction and sequestration of carbon dioxide
WO2009149292A1 (en) 2008-06-04 2009-12-10 Global Research Technologies, Llc Laminar flow air collector with solid sorbent materials for capturing ambient co2
US20110206588A1 (en) * 2008-08-11 2011-08-25 Lackner Klaus S 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
WO2010022399A1 (en) * 2008-08-22 2010-02-25 Global Research Technologies, Llc Removal of carbon dioxide from air
WO2019161114A1 (en) 2018-02-16 2019-08-22 Carbon Sink, Inc. Fluidized bed extractors for capture of co2 from ambient air

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE620227A (de) * 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 (de) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8204601A (nl) * 1982-11-26 1984-06-18 V I Kucheryavy T M Bogdanova D Werkwijze voor het bereiden van ureum.

Also Published As

Publication number Publication date
GB2072170A (en) 1981-09-30
FR2478089A1 (fr) 1981-09-18
US4321410A (en) 1982-03-23
BR8101467A (pt) 1981-09-15
GB2072170B (en) 1984-09-26
JPS56128749A (en) 1981-10-08
DE3109744C2 (de) 1994-03-03
IN153897B (de) 1984-08-25
DE3109744A1 (de) 1982-01-07
IT1141993B (it) 1986-10-08
CA1150312A (en) 1983-07-19
JPS6234033B2 (de) 1987-07-24
IT8120226A0 (it) 1981-03-09
FR2478089B1 (de) 1983-02-04

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Legal Events

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CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: TOYO ENGINEERING CORPORATION

A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed