DE69605327D1 - Hydrolysereaktor zur entfernung von harnstoff, ammoniak und kohlendioxyd aus einer harnstoff in wässriger lösung enthaltenden flüssigen phase - Google Patents

Hydrolysereaktor zur entfernung von harnstoff, ammoniak und kohlendioxyd aus einer harnstoff in wässriger lösung enthaltenden flüssigen phase

Info

Publication number
DE69605327D1
DE69605327D1 DE69605327T DE69605327T DE69605327D1 DE 69605327 D1 DE69605327 D1 DE 69605327D1 DE 69605327 T DE69605327 T DE 69605327T DE 69605327 T DE69605327 T DE 69605327T DE 69605327 D1 DE69605327 D1 DE 69605327D1
Authority
DE
Germany
Prior art keywords
aqueous solution
urea
ammonia
removal
carbon dioxide
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
DE69605327T
Other languages
English (en)
Other versions
DE69605327T2 (de
Inventor
Giorgio Pagani
Federico Zardi
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.)
Casale SA
Original Assignee
Urea Casale SA
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=4247125&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69605327(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Urea Casale SA filed Critical Urea Casale SA
Publication of DE69605327D1 publication Critical patent/DE69605327D1/de
Application granted granted Critical
Publication of DE69605327T2 publication Critical patent/DE69605327T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/002—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/006—Baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles
    • B01J2219/00765—Baffles attached to the reactor wall
    • B01J2219/00777—Baffles attached to the reactor wall horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943—Details relating to the geometry of the reactor round circular or disk-shaped cylindrical
    • 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
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69605327T 1995-10-27 1996-09-27 Hydrolysereaktor zur entfernung von harnstoff, ammoniak und kohlendioxyd aus einer harnstoff in wässriger lösung enthaltenden flüssigen phase Expired - Lifetime DE69605327T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH303395 1995-10-27
PCT/IB1996/001004 WO1997015388A1 (en) 1995-10-27 1996-09-27 Hydrolysis reactor for removal of urea, ammonia and carbon dioxide from a liquid phase comprising urea in aqueous solution

Publications (2)

Publication Number Publication Date
DE69605327D1 true DE69605327D1 (de) 1999-12-30
DE69605327T2 DE69605327T2 (de) 2000-07-27

Family

ID=4247125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69605327T Expired - Lifetime DE69605327T2 (de) 1995-10-27 1996-09-27 Hydrolysereaktor zur entfernung von harnstoff, ammoniak und kohlendioxyd aus einer harnstoff in wässriger lösung enthaltenden flüssigen phase

Country Status (15)

Country Link
US (1) US6334984B1 (de)
EP (1) EP0873182B1 (de)
JP (1) JPH11514374A (de)
CN (1) CN1096289C (de)
AU (1) AU6941096A (de)
BR (1) BR9611241A (de)
CA (1) CA2168993C (de)
CZ (1) CZ290217B6 (de)
DE (1) DE69605327T2 (de)
EG (1) EG21222A (de)
ES (1) ES2140895T3 (de)
IL (1) IL119460A0 (de)
RU (1) RU2160626C2 (de)
WO (1) WO1997015388A1 (de)
ZA (1) ZA968935B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6861473B2 (en) * 2003-02-28 2005-03-01 Baxter International Inc. Macromolecular ketoaldehydes
EP1533018A1 (de) 2003-11-05 2005-05-25 Urea Casale S.A. Verfahren zur Behandlung von Verbrennungsabgasen
EP1853374A1 (de) * 2005-02-16 2007-11-14 Imi Vision Limited Abgasbehandlung
CN102161512B (zh) * 2011-02-25 2012-10-03 云南建水锰矿有限责任公司 一种锰酸钾卧式反应釜物料输送方法
EP2812290A1 (de) * 2012-02-08 2014-12-17 Veolia Water Solutions & Technologies Support Vorrichtung für kontinuierliche hydrolyse
RU2643976C1 (ru) * 2016-11-08 2018-02-06 Федеральное государственное бюджетное учреждение науки Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук (ИК СО РАН) Реактор для проведения реакций гидролиза
EP3760306A1 (de) * 2019-07-02 2021-01-06 Casale Sa Reaktor zur synthese von harnstoff
EP3871746A1 (de) * 2020-02-25 2021-09-01 Yara International ASA Verteilungskammer für flüssigkeitsstrom

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB911231A (en) 1958-04-16 1962-11-21 Williams & Gray Ltd A new or improved fitting for use in the assembly of furniture or in the assembly of other articles
GB911321A (en) * 1960-05-09 1962-11-21 Shell Int Research Process for the dealkylation of aromatic compounds
CA849014A (en) 1968-10-25 1970-08-11 Ichikawa Yataro Apparatus for continuous gas-liquid contact and process for refining crude terephthalic acid
US3917460A (en) * 1970-08-31 1975-11-04 Ass Pulp & Paper Mills Wet combustion of waste liquors
US3922147A (en) * 1974-04-05 1975-11-25 Lummus Co Hydrolysis reactor
US4013560A (en) * 1975-04-21 1977-03-22 Sterling Drug Inc. Energy production of wet oxidation systems
US4341640A (en) 1976-09-27 1982-07-27 Standard Oil Company Urea hydrolysis
US4341240A (en) * 1980-02-04 1982-07-27 Vending Components, Inc. Beer tap construction
JPH0691987B2 (ja) * 1987-03-13 1994-11-16 東洋エンジニアリング株式会社 尿素の加水分解方法
DE69222665T2 (de) * 1991-01-15 1998-05-07 Urea Casale Sa Verfahren und Vorrichtung zur Verbesserung der Ausbeute und Herstellungspotential von Harnstoffreaktoren
EP0538848A1 (de) * 1991-10-23 1993-04-28 Urea Casale S.A. Verfahren und Einrichtung für die Hydrolyse von Restharnstoff im Wasser aus Harnstoff-Syntheseanlagen
IT1270577B (it) 1993-02-22 1997-05-06 Wladimiro Bizzotto Reattore melamina ad alta pressione

Also Published As

Publication number Publication date
ES2140895T3 (es) 2000-03-01
CN1200683A (zh) 1998-12-02
CA2168993A1 (en) 1997-04-28
EG21222A (en) 2001-02-28
CA2168993C (en) 2007-01-02
IL119460A0 (en) 1997-01-10
EP0873182B1 (de) 1999-11-24
RU2160626C2 (ru) 2000-12-20
CZ88498A3 (cs) 1998-09-16
WO1997015388A1 (en) 1997-05-01
US6334984B1 (en) 2002-01-01
BR9611241A (pt) 1999-05-04
AU6941096A (en) 1997-05-15
EP0873182A1 (de) 1998-10-28
MX9803310A (es) 1998-09-30
DE69605327T2 (de) 2000-07-27
CN1096289C (zh) 2002-12-18
ZA968935B (en) 1997-04-29
CZ290217B6 (cs) 2002-06-12
JPH11514374A (ja) 1999-12-07

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Legal Events

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8363 Opposition against the patent
8365 Fully valid after opposition proceedings