ES2055305T3 - 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
ES2055305T3
ES2055305T3 ES90202310T ES90202310T ES2055305T3 ES 2055305 T3 ES2055305 T3 ES 2055305T3 ES 90202310 T ES90202310 T ES 90202310T ES 90202310 T ES90202310 T ES 90202310T ES 2055305 T3 ES2055305 T3 ES 2055305T3
Authority
ES
Spain
Prior art keywords
production plants
depuration
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
Application number
ES90202310T
Other languages
English (en)
Other versions
ES2055305T5 (es
Inventor
Franco Granelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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=11186227&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2055305(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SnamProgetti SpA filed Critical SnamProgetti SpA
Publication of ES2055305T3 publication Critical patent/ES2055305T3/es
Application granted granted Critical
Publication of ES2055305T5 publication Critical patent/ES2055305T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (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.
ES90202310T 1989-09-15 1990-08-29 Procedimiento de depuracion del efluente de plantas de produccion de urea. Expired - Lifetime ES2055305T5 (es)

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 true ES2055305T3 (es) 1994-08-16
ES2055305T5 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 (30)

* Cited by examiner, † Cited by third party
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
RU2160710C1 (ru) * 2000-05-17 2000-12-20 Закрытое акционерное общество "Агро-Череповец" Способ очистки сточных вод от мочевины
RU2160711C1 (ru) * 2000-05-17 2000-12-20 Закрытое акционерное общество "Агро-Череповец" Способ очистки сточных вод производства мочевины
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
US20080053913A1 (en) * 2006-09-06 2008-03-06 Fassbender Alexander G Nutrient recovery process
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
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
ES2423191T3 (es) * 2008-12-12 2013-09-18 Thyssenkrupp Uhde Gmbh Eliminación de nitrógeno amoniacal, nitrógeno amónico y nitrógeno ureico del aire residual de plantas de producción de amoniaco y urea, por oxidación con soluciones que contienen hipoclorito
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
ATE88985T1 (de) 1993-05-15
EP0417829A1 (en) 1991-03-20
IT8921742A0 (it) 1989-09-15
US5096599A (en) 1992-03-17
DE69001530T2 (de) 1993-10-07
CN1075793C (zh) 2001-12-05
PL166456B1 (pl) 1995-05-31
CA2023415A1 (en) 1991-03-16
CA2023415C (en) 2002-05-14
MX171141B (es) 1993-10-04
EP0417829B1 (en) 1993-05-05
CN1050171A (zh) 1991-03-27
RU2052390C1 (ru) 1996-01-20
DE69001530T3 (de) 1997-07-10
EP0417829B2 (en) 1996-11-06
IT1232670B (it) 1992-03-02
DE69001530D1 (de) 1993-06-09
ES2055305T5 (es) 1996-12-16
AR247372A1 (es) 1994-12-29
GR3021676T3 (en) 1997-02-28
DK0417829T4 (da) 1996-11-25

Similar Documents

Publication Publication Date Title
ES2055305T3 (es) Procedimiento de depuracion del efluente de plantas de produccion de urea.
ES2066603T3 (es) Fungicidas de 3-difluorometilpirazolcarboxamida.
ES2053557T3 (es) Un producto, su preparacion y metodo para tratar alergias.
BR9301512A (pt) Processo para o tratamento de plantas individuais,agentes solidos conformados de tratamento de plantas e processo para a producao dos mesmos
ES2086623T3 (es) Azaheterociclilmetil-cromanos como principios activos para el tratamiento de enfermedades del sistema nervioso central.
BR8804098A (pt) Compostos,composicoes e processo para reducao da fitotoxidez de plantas de cultura
BR9407138A (pt) Método para esterilização de produtos
BR9006457A (pt) Composicoes fungicidas concentradas,processo para prepara-las e processo para o tratamento de plantas
AR241440A1 (es) Procedimiento y dispositivo para purificar aire contaminado con vapores producidos durante el procesamiento de plasticos.
AR013001A1 (es) Derivados de la piperazina, procedimientos para prepararlos, las composiciones farmaceuticas que los contienen, su utilizacion como medicamentoy el metodo para tratar enfermedades mediadas por la taquinina.
BR8500547A (pt) Enprego de compostos,processo para a protecao de plantas de cultura e composicoes de tratamento de plantas
IT1232342B (it) Metodo di trattamento del percolato prodotto dalle discariche controllate di rifiuti solidi urbani ed assimilabili e relativo impianto.
MX9302487A (es) Piridonas sustituidas por bifenilmetilo, procedimiento para su obtencion y medicamentos que las contienen.
ES2033746T3 (es) Dispositivo para la aplicacion transcuticular de principios activos en plantas.
ES2125879T3 (es) Triazaespirodecanona-metilcromanos para el tratamiento de enfermedades del sistema nervioso central.
BR9508227A (pt) Processo para melhorar a quebra do estado de repouso de plantas
AR230049A1 (es) Derivados de isonicotinanilida,proceso para su preparacion y composicion reguladora del crecimiento de las plantas conteniendo los mismos
MX168272B (es) Articulos de polipropiletano resistentes a las radiaciones, y metodo para prepararlos
ES518877A0 (es) Perfeccionamientos en las plantas para la incineracion de basuras.
PT84384B (pt) Processo para a preparacao de nucleosideos isohexidicos uteis como medicamentos
BR8102083A (pt) Processo para a preparacao de acetanilidas substituidas, composicoes herbicidas, processo para o combate do crescimento de plantas indesejadas e para a prepacao de composicoes herbicidas
BR8606201A (pt) Composicoes nematocidas e inseticidas,processo para o tratamento de plantas,compostos e processo para sua preparacao
BR8502655A (pt) Processo para a preparacao de fenilsulfonilureias substituidas,composicoes de tratamento de plantas,aplicacao e processo para a preparacao de composicoes
IT1248667B (it) Purificazione di estraenti costituiti da composti organici del fosforo bidentati
BR7904768A (pt) Composicoes herbicidas,e,processo para o combate seletivo do crescimento de plantas indesejadas

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 417829

Country of ref document: ES