NO931779L - Fremgangsmåte for behandling av kondensater av ammoniakk og urea - Google Patents
Fremgangsmåte for behandling av kondensater av ammoniakk og ureaInfo
- Publication number
- NO931779L NO931779L NO931779A NO931779A NO931779L NO 931779 L NO931779 L NO 931779L NO 931779 A NO931779 A NO 931779A NO 931779 A NO931779 A NO 931779A NO 931779 L NO931779 L NO 931779L
- Authority
- NO
- Norway
- Prior art keywords
- condensates
- urea
- ammonia
- treatment
- Prior art date
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
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/025—Preparation or purification of gas mixtures for ammonia synthesis
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors
-
- 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
- C07C273/10—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 combined with the synthesis of ammonia
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/821,209 US5223238A (en) | 1992-01-16 | 1992-01-16 | Method for treating ammonia and urea condensates |
CA002094542A CA2094542C (en) | 1992-01-16 | 1993-04-21 | Method for treating ammonia and urea condensates |
EP93107098A EP0622335B1 (en) | 1992-01-16 | 1993-04-30 | A method for treating ammonia and urea condensates |
BR9301811A BR9301811A (pt) | 1992-01-16 | 1993-05-11 | Processo contínuo, em instalação para a produção de amônia e uréia em que um primeiro e um segundo condensados de processamento são produzidos, para tratar simulaneamente os condensados de processamento em um único vaso. |
NO19931779A NO311423B1 (no) | 1992-01-16 | 1993-05-14 | Kontinuerlig fremgangsmåte for behandling av kondensater av ammoniakk og urea |
JP11322593A JP3394559B2 (ja) | 1992-01-16 | 1993-05-14 | アンモニア及び尿素凝縮物の処理方法 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/821,209 US5223238A (en) | 1992-01-16 | 1992-01-16 | Method for treating ammonia and urea condensates |
CA002094542A CA2094542C (en) | 1992-01-16 | 1993-04-21 | Method for treating ammonia and urea condensates |
EP93107098A EP0622335B1 (en) | 1992-01-16 | 1993-04-30 | A method for treating ammonia and urea condensates |
BR9301811A BR9301811A (pt) | 1992-01-16 | 1993-05-11 | Processo contínuo, em instalação para a produção de amônia e uréia em que um primeiro e um segundo condensados de processamento são produzidos, para tratar simulaneamente os condensados de processamento em um único vaso. |
NO19931779A NO311423B1 (no) | 1992-01-16 | 1993-05-14 | Kontinuerlig fremgangsmåte for behandling av kondensater av ammoniakk og urea |
JP11322593A JP3394559B2 (ja) | 1992-01-16 | 1993-05-14 | アンモニア及び尿素凝縮物の処理方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO931779D0 NO931779D0 (no) | 1993-05-14 |
NO931779L true NO931779L (no) | 1994-11-15 |
NO311423B1 NO311423B1 (no) | 2001-11-26 |
Family
ID=27543189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19931779A NO311423B1 (no) | 1992-01-16 | 1993-05-14 | Kontinuerlig fremgangsmåte for behandling av kondensater av ammoniakk og urea |
Country Status (6)
Country | Link |
---|---|
US (1) | US5223238A (no) |
EP (1) | EP0622335B1 (no) |
JP (1) | JP3394559B2 (no) |
BR (1) | BR9301811A (no) |
CA (1) | CA2094542C (no) |
NO (1) | NO311423B1 (no) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0538848A1 (en) * | 1991-10-23 | 1993-04-28 | Urea Casale S.A. | Process and equipment for the hydrolysis of residual urea in the water from urea synthesis plants |
CA2141886E (en) * | 1994-05-11 | 1999-10-12 | Federico Zardi | Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature |
CA2146070C (en) * | 1995-03-15 | 2002-01-29 | Kees Jonckers | Improved reactor for the synthesis of urea |
US5523483A (en) * | 1995-06-16 | 1996-06-04 | The M. W. Kellogg Company | Integrated urea/ammonia process |
JP4112056B2 (ja) * | 1997-12-18 | 2008-07-02 | 東洋エンジニアリング株式会社 | 改良された尿素の合成方法および装置 |
JP4975205B2 (ja) * | 2000-04-28 | 2012-07-11 | 日揮株式会社 | ガス状混合物からのアンモニア回収方法 |
US6511644B1 (en) | 2000-08-28 | 2003-01-28 | The Chemithon Corporation | Method for removing contaminants in reactors |
US6761868B2 (en) * | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
US6887449B2 (en) | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
NL1028497C2 (nl) | 2005-03-09 | 2006-09-12 | Dsm Ip Assets Bv | Werkwijze voor de bereiding van een ureum-bevattende waterige stroom. |
CN100400430C (zh) * | 2006-05-18 | 2008-07-09 | 刘国胜 | 尿素工艺冷凝液节能净化回收工艺 |
US20080016768A1 (en) | 2006-07-18 | 2008-01-24 | Togna Keith A | Chemically-modified mixed fuels, methods of production and used thereof |
US7687041B2 (en) * | 2008-02-27 | 2010-03-30 | Kellogg Brown & Root Llc | Apparatus and methods for urea production |
TW201032887A (en) * | 2009-01-13 | 2010-09-16 | Saipem Spa | Process for the recovery of ammonia from a gaseous stream |
CA2789399C (en) * | 2010-02-12 | 2016-04-26 | Stamicarbon B.V. | Removal of ammonia in urea finishing |
US8262787B2 (en) * | 2010-06-09 | 2012-09-11 | Uop Llc | Configuration of contacting zones in vapor liquid contacting apparatuses |
CN102167412B (zh) * | 2011-04-08 | 2013-01-30 | 吉林化工学院化工分离技术开发中心 | 一种高效复合式尿素废液深度水解解吸塔 |
EP3095760A1 (en) * | 2015-05-21 | 2016-11-23 | Casale SA | A method for increasing the capacity of an ammonia plant |
CN108911950B (zh) * | 2018-06-22 | 2021-03-30 | 河北威远生物化工有限公司 | 一种分离废水中醇和碳酸铵的设备和方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50133995A (no) * | 1974-04-11 | 1975-10-23 | ||
US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
NL8100989A (nl) * | 1981-02-28 | 1982-09-16 | Unie Van Kunstmestfab Bv | Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossingen. |
NL8102391A (nl) * | 1981-05-15 | 1982-12-01 | Unie Van Kunstmestfab Bv | Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding. |
NL8204583A (nl) * | 1982-11-25 | 1984-06-18 | Unie Van Kunstmestfab Bv | Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossingen. |
US4552979A (en) * | 1984-08-27 | 1985-11-12 | James Chemical Engineering Inc. | Process for treatment of urea plant process condensate |
IT1232670B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea. |
-
1992
- 1992-01-16 US US07/821,209 patent/US5223238A/en not_active Expired - Lifetime
-
1993
- 1993-04-21 CA CA002094542A patent/CA2094542C/en not_active Expired - Lifetime
- 1993-04-30 EP EP93107098A patent/EP0622335B1/en not_active Expired - Lifetime
- 1993-05-11 BR BR9301811A patent/BR9301811A/pt not_active IP Right Cessation
- 1993-05-14 JP JP11322593A patent/JP3394559B2/ja not_active Expired - Lifetime
- 1993-05-14 NO NO19931779A patent/NO311423B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR9301811A (pt) | 1994-11-29 |
JPH06329614A (ja) | 1994-11-29 |
JP3394559B2 (ja) | 2003-04-07 |
CA2094542A1 (en) | 1994-10-22 |
EP0622335B1 (en) | 1997-10-01 |
CA2094542C (en) | 2003-06-10 |
NO311423B1 (no) | 2001-11-26 |
NO931779D0 (no) | 1993-05-14 |
US5223238A (en) | 1993-06-29 |
EP0622335A1 (en) | 1994-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |