NO153488C - Fremgangsm¨te ved rensing av urea-inneholdende avfallsvann - Google Patents

Fremgangsm¨te ved rensing av urea-inneholdende avfallsvann

Info

Publication number
NO153488C
NO153488C NO801366A NO801366A NO153488C NO 153488 C NO153488 C NO 153488C NO 801366 A NO801366 A NO 801366A NO 801366 A NO801366 A NO 801366A NO 153488 C NO153488 C NO 153488C
Authority
NO
Norway
Prior art keywords
ammonia
carbon dioxide
urea
containing waste
waste water
Prior art date
Application number
NO801366A
Other languages
English (en)
Other versions
NO801366L (no
NO153488B (no
Inventor
Josephus Johannes Petr Goorden
Original Assignee
Stamicarbon
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19833125&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO153488(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of NO801366L publication Critical patent/NO801366L/no
Publication of NO153488B publication Critical patent/NO153488B/no
Publication of NO153488C publication Critical patent/NO153488C/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/12—Separation of ammonia from gases and vapours
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/08—Preparation of ammonia from nitrogenous organic substances
    • C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/025—Thermal hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
NO801366A 1979-05-09 1980-05-08 Fremgangsm¨te ved rensing av urea-inneholdende avfallsvann NO153488C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7903623A NL7903623A (nl) 1979-05-09 1979-05-09 Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine.

Publications (3)

Publication Number Publication Date
NO801366L NO801366L (no) 1980-11-10
NO153488B NO153488B (no) 1985-12-23
NO153488C true NO153488C (no) 1986-04-02

Family

ID=19833125

Family Applications (1)

Application Number Title Priority Date Filing Date
NO801366A NO153488C (no) 1979-05-09 1980-05-08 Fremgangsm¨te ved rensing av urea-inneholdende avfallsvann

Country Status (20)

Country Link
US (1) US4308385A (no)
EP (1) EP0019326B1 (no)
JP (1) JPS55149676A (no)
AT (1) ATE4496T1 (no)
BR (1) BR8002794A (no)
CA (1) CA1141872A (no)
CS (1) CS221908B2 (no)
DD (1) DD150601A5 (no)
DE (1) DE3064616D1 (no)
EG (1) EG14770A (no)
ES (1) ES491280A0 (no)
HU (1) HU180579B (no)
IN (1) IN152912B (no)
MX (1) MX6297E (no)
NL (1) NL7903623A (no)
NO (1) NO153488C (no)
PL (1) PL123687B1 (no)
RO (1) RO81470B (no)
YU (2) YU118980A (no)
ZA (1) ZA802477B (no)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433146A (en) * 1982-04-07 1984-02-21 Stamicarbon B.V. Process for the preparation of melamine
US4838281A (en) * 1985-02-28 1989-06-13 Alcon Laboratories, Inc. Linear suction control system
DE3844992B4 (de) * 1987-03-04 2006-06-14 Novartis Ag Hydrogentartrat eines Phenylcarbamats
IT1232670B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea.
CH679485A5 (no) * 1989-12-29 1992-02-28 Ammonia Casale Sa
US6258111B1 (en) 1997-10-03 2001-07-10 Scieran Technologies, Inc. Apparatus and method for performing ophthalmic procedures
US6077491A (en) 1997-03-21 2000-06-20 Ec&C Technologies Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal
US6358260B1 (en) 1998-04-20 2002-03-19 Med-Logics, Inc. Automatic corneal shaper with two separate drive mechanisms
US6702832B2 (en) 1999-07-08 2004-03-09 Med Logics, Inc. Medical device for cutting a cornea that has a vacuum ring with a slitted vacuum opening
US6699285B2 (en) 1999-09-24 2004-03-02 Scieran Technologies, Inc. Eye endoplant for the reattachment of a retina
KR100339834B1 (ko) * 2000-01-27 2002-06-07 박호군 멜라민 제조 공정중에 배출되는 폐수의 처리 방법
US6428508B1 (en) 2000-02-01 2002-08-06 Enlighten Technologies, Inc. Pulsed vacuum cataract removal system
US6663644B1 (en) 2000-06-02 2003-12-16 Med-Logics, Inc. Cutting blade assembly for a microkeratome
US6511644B1 (en) 2000-08-28 2003-01-28 The Chemithon Corporation Method for removing contaminants in reactors
US7311700B2 (en) 2000-11-29 2007-12-25 Med-Logics, Inc. LASIK laminar flow system
US6425905B1 (en) 2000-11-29 2002-07-30 Med-Logics, Inc. Method and apparatus for facilitating removal of a corneal graft
US6761868B2 (en) * 2001-05-16 2004-07-13 The Chemithon Corporation Process for quantitatively converting urea to ammonia on demand
DE10229103A1 (de) * 2002-06-25 2004-01-15 Agrolinz Melamin Gmbh Vorrichtung und Verfahren zur thermischen Wasseraufbereitung
US6887449B2 (en) * 2002-11-21 2005-05-03 The Chemithon Corporation Method of quantitatively producing ammonia from urea
DE102005028665A1 (de) 2005-06-15 2007-01-04 Ami-Agrolinz Melamine International Gmbh Verfahren zur Reinigung von Abwässern aus Melaminanlagen
US20090148370A1 (en) * 2007-12-06 2009-06-11 Spencer Iii Herbert W Process to produce ammonia from urea
US9586831B2 (en) 2014-06-09 2017-03-07 Wahlco, Inc. Urea to ammonia process
CN108025245B (zh) * 2015-06-10 2021-03-05 贝克特尔碳氢技术解决方案股份有限公司 用于高co2氨纯化的系统和方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT261638B (de) * 1966-05-02 1968-05-10 Chemie Linz Ag Verfahren zur Aufarbeitung eines Ammoniak-Kohlensäure-Gasgemisches
FR1541273A (fr) * 1966-10-25 1968-10-04 Toyo Koatsu Ind Inc Procédé de traitement des substances inaltérées de la synthèse de l'urée
DE1670290A1 (de) * 1967-12-01 1971-01-14 Basf Ag Verfahren zur Abtrennung von Ammoniak aus den bei der Melaminsynthese anfallenden Abgasen
NL6801577A (no) * 1968-02-02 1969-08-05
DE1770969C3 (de) * 1968-07-25 1978-08-24 Basf Ag, 6700 Ludwigshafen Verfahren zur Rückführung der Abgase der Melaminsynthese in die Hamstoffsynthese
JPS4919259B1 (no) * 1969-08-30 1974-05-16
NL6919152A (no) * 1969-12-20 1971-06-22
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.
US3922222A (en) * 1973-02-20 1975-11-25 Cf Ind Method for treatment of urea crystallizer condensate
US4013757A (en) * 1975-04-17 1977-03-22 Fmc Corporation High pressure thermal hydrolysis process to decompose triazines in acid waste streams
IT1060622B (it) * 1976-05-14 1982-08-20 Snam Progetti Procedimento per la riutilizzazio ne delle acque di processo negli impianti combinati urea e ammoniaca
DE2646804C3 (de) * 1976-10-16 1982-03-11 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von reinem Ammoniak aus Ammoniak und Kohlendioxid enthaltenden Gasgemischen
NL168196C (nl) * 1976-11-03 1982-03-16 Stamicarbon Werkwijze voor het afscheiden van nh&013 en co&012 uit een mengsel van nh&013, co&012 en h&012o.
IT1065422B (it) * 1976-12-23 1985-02-25 Snam Progetti Processo ammoniaca-urea integrato per la produzione di urea
US4087513A (en) * 1977-08-12 1978-05-02 Olin Corporation Method of hydrolyzing urea contained in waste water streams

Also Published As

Publication number Publication date
JPS55149676A (en) 1980-11-21
DE3064616D1 (en) 1983-09-29
ATE4496T1 (de) 1983-09-15
US4308385A (en) 1981-12-29
PL123687B1 (en) 1982-11-30
ZA802477B (en) 1981-04-29
NL7903623A (nl) 1980-11-11
IN152912B (no) 1984-04-28
EG14770A (en) 1984-09-30
HU180579B (en) 1983-03-28
BR8002794A (pt) 1980-12-16
RO81470B (ro) 1983-04-30
NO801366L (no) 1980-11-10
RO81470A (ro) 1983-04-29
CS221908B2 (en) 1983-04-29
DD150601A5 (de) 1981-09-09
ES8107126A1 (es) 1980-12-01
EP0019326A1 (en) 1980-11-26
YU284782A (en) 1985-04-30
CA1141872A (en) 1983-02-22
EP0019326B1 (en) 1983-08-24
ES491280A0 (es) 1980-12-01
PL224050A1 (no) 1981-02-13
NO153488B (no) 1985-12-23
YU118980A (en) 1983-04-30
MX6297E (es) 1985-03-18

Similar Documents

Publication Publication Date Title
NO153488C (no) Fremgangsm¨te ved rensing av urea-inneholdende avfallsvann
DE3268497D1 (en) Process for the recovery of valuable components from the waste streams obtained in the preparation of urea
DE3785014T2 (de) Verfahren zur behandlung von schwefelverbindungen enthaltendenindustriellen gasen.
ATE127144T1 (de) Verfahren und einrichtung für die thermolyse von industrie- und/oder haushaltsmüll.
KR840003313A (ko) 포옴 세탁 방법
ATE22075T1 (de) Verfahren zur gewinnung von 3-cyanpyridin.
DE59903189D1 (de) Verfahren zur herstellung von cellulosecarbamat
NO150667C (no) Fremgangsmaate for rensing av gassblandinger fra ureaproduksjonsanlegg
ES437246A1 (es) Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
KR910019961A (ko) 글리신의 정제방법
DE3855382T2 (de) Auswaschen von ammoniak
DE69117118D1 (de) Verfahren zur Behandlung von halogenierten Kohlenwasserstoffen enthaltendem Gas
KR920701125A (ko) 글리신의 제조방법
JPS5594675A (en) Method of processing drained water from coke production plant
JPS5637088A (en) Treating method for effluent containing heavy metal complex salt
JPS5255255A (en) Process for removing harmful materials from a chemical industrial drai n water
JPS5561970A (en) Drawing treatment method for waste catalyst
ES472556A1 (es) Procedimiento continuo para la purificacion de gases de es- cape industriales con un contenido de formaldehido
GB1495928A (en) Treatment of effluent
GB2001615A (en) Decomposition of phosgene
RU94008255A (ru) Способ очистки газов от диоксида серы
JPS52104555A (en) Treatment of waste water which contains water-soluble resin paints
JPS52152658A (en) Process for treating drain water containing slurry-like paint
FR2095085A5 (en) Recovery of sulfur dioxide from waste gas streams
NL7107659A (en) Recovery of sulfur dioxide from waste gas streams