ES2055305T5 - Procedimiento de depuracion del efluente de plantas de produccion de urea. - Google Patents
Procedimiento de depuracion del efluente de plantas de produccion de urea.Info
- Publication number
- ES2055305T5 ES2055305T5 ES90202310T ES90202310T ES2055305T5 ES 2055305 T5 ES2055305 T5 ES 2055305T5 ES 90202310 T ES90202310 T ES 90202310T ES 90202310 T ES90202310 T ES 90202310T ES 2055305 T5 ES2055305 T5 ES 2055305T5
- Authority
- ES
- Spain
- Prior art keywords
- purification
- production plants
- effluent
- procedure
- urea production
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/903—Nitrogenous
Landscapes
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Water Treatments (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Fertilizers (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
PROCESO PARA LA PURIFICACION DE LA EMANACION ORIGINADA DE PLANTAS DE PRODUCCION DE UREA, QUE CONSTA DE LAS TRES FASES DE TRATAMIENTO SUCESIVO, A SABER, SEPARACION DE LOS COMPONENTES VOLATILES, HIDROLISIS TERMICA DE LA UREA Y REACCION BIURET EN UNA GRAN CANTIDAD DE ZONAS ATRAVESADAS POR EL FLUJO DE LOS PISTONES, Y SEPARACION FINAL DE LOS COMPONENTES VOLATILES PRODUCIDOS POR LA HIDROLISIS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8921742A IT1232670B (it) | 1989-09-15 | 1989-09-15 | Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2055305T3 ES2055305T3 (es) | 1994-08-16 |
ES2055305T5 true ES2055305T5 (es) | 1996-12-16 |
Family
ID=11186227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90202310T Expired - Lifetime ES2055305T5 (es) | 1989-09-15 | 1990-08-29 | Procedimiento de depuracion del efluente de plantas de produccion de urea. |
Country Status (14)
Country | Link |
---|---|
US (1) | US5096599A (es) |
EP (1) | EP0417829B2 (es) |
CN (1) | CN1075793C (es) |
AR (1) | AR247372A1 (es) |
AT (1) | ATE88985T1 (es) |
CA (1) | CA2023415C (es) |
DE (1) | DE69001530T3 (es) |
DK (1) | DK0417829T4 (es) |
ES (1) | ES2055305T5 (es) |
GR (1) | GR3021676T3 (es) |
IT (1) | IT1232670B (es) |
MX (1) | MX171141B (es) |
PL (1) | PL166456B1 (es) |
RU (1) | RU2052390C1 (es) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5221486A (en) * | 1991-04-12 | 1993-06-22 | Battelle Memorial Institute | Aqueous phase removal of nitrogen from nitrogen compounds |
US5223238A (en) * | 1992-01-16 | 1993-06-29 | The M. W. Kellogg Company | Method for treating ammonia and urea condensates |
US5433868A (en) * | 1993-09-09 | 1995-07-18 | Battelle Memorial Institute | Sewage treatment method |
US5772968A (en) * | 1996-07-03 | 1998-06-30 | Sunrise, Inc. | Apparatus and method for hydrolyzing keratinaceous material |
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 |
CN1072190C (zh) * | 1998-08-26 | 2001-10-03 | 巴陵石化岳阳石油化工总厂 | 合成烷基锂化合物的含锂废液处理方法 |
US6093380A (en) * | 1998-10-16 | 2000-07-25 | Siirtec Nigi, S.P.A. | Method and apparatus for pollution control in exhaust gas streams from fossil fuel burning facilities |
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 |
US6716360B2 (en) * | 2002-04-16 | 2004-04-06 | Eau-Viron Incorporated | Method and apparatus for treating waste streams |
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 |
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 |
US20080053909A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Ammonia recovery process |
US20080156726A1 (en) * | 2006-09-06 | 2008-07-03 | Fassbender Alexander G | Integrating recycle stream ammonia treatment with biological nutrient removal |
US20080053913A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Nutrient recovery process |
US7736508B2 (en) * | 2006-09-18 | 2010-06-15 | Christopher A. Limcaco | System and method for biological wastewater treatment and for using the byproduct thereof |
US20090148370A1 (en) * | 2007-12-06 | 2009-06-11 | Spencer Iii Herbert W | Process to produce ammonia from urea |
US8048202B2 (en) * | 2007-12-12 | 2011-11-01 | Kellogg Brown & Root Llc | Method for treatment of process waters using steam |
EP2107108A1 (en) * | 2008-03-31 | 2009-10-07 | KRÜGER Off-Shore A/S | An apparatus and a method for continuous thermal hydrolysis of biological material |
WO2010066344A1 (de) * | 2008-12-12 | 2010-06-17 | Uhde Gmbh | Entfernung von ammoniak-stickstoff, ammonium-stickstoff und harnstoff-stickstoff durch oxidation mit hypochlorit-haltigen lösungen aus abluft in anlagen zur ammoniak- und harnstoffproduktion |
DE102009025135A1 (de) * | 2009-06-17 | 2010-12-23 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung zur Verdampfung einer Harnstoff-Wasser-Lösung |
EP2386346A1 (en) | 2010-05-11 | 2011-11-16 | Stamicarbon B.V. | Process for the reduction of ammonia emissions in a urea manufacturing process |
EP2402308A1 (en) * | 2010-06-24 | 2012-01-04 | DSM IP Assets B.V. | Urea plant |
US9586831B2 (en) | 2014-06-09 | 2017-03-07 | Wahlco, Inc. | Urea to ammonia process |
JP6634342B2 (ja) * | 2016-05-24 | 2020-01-22 | 東洋エンジニアリング株式会社 | 尿素水溶液の処理方法および装置 |
EP3782979A1 (en) * | 2019-08-20 | 2021-02-24 | Yara International ASA | Preparation of urea solution and facility to do so |
CN112495323B (zh) * | 2020-11-27 | 2021-11-09 | 昱创(天津)化工科技有限公司 | 用于co2气提尿素生产的中压解吸水解塔及节能提产方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3922222A (en) * | 1973-02-20 | 1975-11-25 | Cf Ind | Method for treatment of urea crystallizer condensate |
IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
US4098579A (en) * | 1977-03-03 | 1978-07-04 | Instytut Nawozow Sztucznych Zjednoczenie "Petrochemia" | Installation for conducting a synthesis reaction of urea |
US4087513A (en) * | 1977-08-12 | 1978-05-02 | Olin Corporation | Method of hydrolyzing urea contained in waste water streams |
US4220635A (en) * | 1978-03-20 | 1980-09-02 | Olin Corporation | Catalytic method for hydrolyzing urea |
NL7903623A (nl) * | 1979-05-09 | 1980-11-11 | Stamicarbon | Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine. |
JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
NL8006477A (nl) * | 1980-11-28 | 1982-06-16 | Unie Van Kunstmestfab Bv | Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossing. |
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. |
US4552979A (en) * | 1984-08-27 | 1985-11-12 | James Chemical Engineering Inc. | Process for treatment of urea plant process condensate |
-
1989
- 1989-09-15 IT IT8921742A patent/IT1232670B/it active
-
1990
- 1990-08-16 CA CA002023415A patent/CA2023415C/en not_active Expired - Lifetime
- 1990-08-17 US US07/568,984 patent/US5096599A/en not_active Expired - Lifetime
- 1990-08-29 DK DK90202310.0T patent/DK0417829T4/da active
- 1990-08-29 ES ES90202310T patent/ES2055305T5/es not_active Expired - Lifetime
- 1990-08-29 EP EP90202310A patent/EP0417829B2/en not_active Expired - Lifetime
- 1990-08-29 DE DE69001530T patent/DE69001530T3/de not_active Expired - Lifetime
- 1990-08-29 AT AT90202310T patent/ATE88985T1/de not_active IP Right Cessation
- 1990-09-13 MX MX022369A patent/MX171141B/es unknown
- 1990-09-13 PL PL90286877A patent/PL166456B1/pl not_active IP Right Cessation
- 1990-09-14 AR AR90317876A patent/AR247372A1/es active
- 1990-09-14 RU SU904831096A patent/RU2052390C1/ru active
- 1990-09-14 CN CN90107727A patent/CN1075793C/zh not_active Expired - Lifetime
-
1996
- 1996-11-15 GR GR960403050T patent/GR3021676T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
CA2023415A1 (en) | 1991-03-16 |
GR3021676T3 (en) | 1997-02-28 |
EP0417829A1 (en) | 1991-03-20 |
CN1075793C (zh) | 2001-12-05 |
PL166456B1 (pl) | 1995-05-31 |
RU2052390C1 (ru) | 1996-01-20 |
DE69001530T2 (de) | 1993-10-07 |
AR247372A1 (es) | 1994-12-29 |
DE69001530T3 (de) | 1997-07-10 |
EP0417829B1 (en) | 1993-05-05 |
MX171141B (es) | 1993-10-04 |
IT8921742A0 (it) | 1989-09-15 |
EP0417829B2 (en) | 1996-11-06 |
IT1232670B (it) | 1992-03-02 |
ES2055305T3 (es) | 1994-08-16 |
DK0417829T4 (da) | 1996-11-25 |
CA2023415C (en) | 2002-05-14 |
DE69001530D1 (de) | 1993-06-09 |
CN1050171A (zh) | 1991-03-27 |
ATE88985T1 (de) | 1993-05-15 |
US5096599A (en) | 1992-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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