ZA957551B - Method for in-situ modernization of a urea synthesis reactor - Google Patents

Method for in-situ modernization of a urea synthesis reactor

Info

Publication number
ZA957551B
ZA957551B ZA957551A ZA957551A ZA957551B ZA 957551 B ZA957551 B ZA 957551B ZA 957551 A ZA957551 A ZA 957551A ZA 957551 A ZA957551 A ZA 957551A ZA 957551 B ZA957551 B ZA 957551B
Authority
ZA
South Africa
Prior art keywords
synthesis reactor
urea synthesis
situ modernization
modernization
situ
Prior art date
Application number
ZA957551A
Other languages
English (en)
Inventor
Giorgio Pagani
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
Application filed by Urea Casale Sa filed Critical Urea Casale Sa
Publication of ZA957551B publication Critical patent/ZA957551B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/16Fractionating columns in which vapour bubbles through liquid
    • B01D3/22Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/16Fractionating columns in which vapour bubbles through liquid
    • B01D3/22Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B01D3/225Dual-flow sieve trays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J10/00Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/002Chemical 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04Pressure vessels, e.g. autoclaves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00018Construction aspects
    • B01J2219/00024Revamping, retrofitting or modernisation of existing plants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761Details of the reactor
    • B01J2219/00763Baffles
    • B01J2219/00765Baffles attached to the reactor wall
    • B01J2219/00777Baffles attached to the reactor wall horizontal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/185Details relating to the spatial orientation of the reactor vertical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19Details relating to the geometry of the reactor
    • B01J2219/194Details relating to the geometry of the reactor round
    • B01J2219/1941Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943Details relating to the geometry of the reactor round circular or disk-shaped cylindrical
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA957551A 1994-09-09 1995-09-08 Method for in-situ modernization of a urea synthesis reactor ZA957551B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH275194 1994-09-09

Publications (1)

Publication Number Publication Date
ZA957551B true ZA957551B (en) 1996-04-17

Family

ID=4240792

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA957551A ZA957551B (en) 1994-09-09 1995-09-08 Method for in-situ modernization of a urea synthesis reactor

Country Status (11)

Country Link
US (1) US5750080A (de)
EP (1) EP0781164B1 (de)
CN (1) CN1079696C (de)
AU (1) AU3190095A (de)
CA (1) CA2198239A1 (de)
IL (1) IL115063A0 (de)
MY (1) MY131969A (de)
RU (1) RU2136361C1 (de)
TR (1) TR199501108A2 (de)
WO (1) WO1996007474A1 (de)
ZA (1) ZA957551B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1299000B1 (it) * 1998-04-01 2000-02-07 Siirtec Nigi S P A Dispositivo e procedimento per migliorare la conversione in urea nella reazione fra anidride carbonica e ammoniaca
JP2003535166A (ja) * 2000-05-31 2003-11-25 ハンツマン・インターナショナル・エルエルシー イソシアネート含有ポリウレタンプレポリマーの連続的調製のための方法及び装置
EP1291078A3 (de) * 2001-09-10 2004-01-28 Bayer Ag Rohrreaktor zur adiabatischen Nitrierung
ITMI20111299A1 (it) 2011-07-12 2013-01-13 Saipem Spa Piatto di reattore per la produzione di urea, e reattore e processo di produzione di urea
EP2602245A1 (de) 2011-12-05 2013-06-12 Urea Casale SA Verfahren zur Synthese von Harnstoff und zugehörige Anordnung für einen Reaktionsabschnitt einer Harnstoffanlage
RU2696384C2 (ru) * 2015-04-03 2019-08-01 САИПЕМ С.п.А. Реактор и способ синтеза мочевины
EP3760306A1 (de) * 2019-07-02 2021-01-06 Casale Sa Reaktor zur synthese von harnstoff
EP4330227A1 (de) * 2021-04-28 2024-03-06 Stamicarbon B.V. Chemischer reaktor mit inneren statischen mischern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1447180A (fr) * 1965-01-19 1966-07-29 Loire Atel Forges Plateaux de barbotage pour améliorer les transferts entre deux phases liquide-gaz ou liquide-liquide
DE2840885A1 (de) * 1978-09-20 1980-04-03 Montz Gmbh Julius Stoffaustauschboden
ATE159245T1 (de) * 1991-01-15 1997-11-15 Urea Casale Sa Verfahren und vorrichtung zur verbesserung der ausbeute und herstellungspotential von harnstoffreaktoren

Also Published As

Publication number Publication date
EP0781164B1 (de) 1999-09-22
WO1996007474A1 (en) 1996-03-14
US5750080A (en) 1998-05-12
IL115063A0 (en) 1995-12-08
EP0781164A1 (de) 1997-07-02
CN1157581A (zh) 1997-08-20
CN1079696C (zh) 2002-02-27
TR199501108A2 (tr) 1996-06-21
AU3190095A (en) 1996-03-27
RU2136361C1 (ru) 1999-09-10
CA2198239A1 (en) 1996-03-14
MY131969A (en) 2007-09-28

Similar Documents

Publication Publication Date Title
EG23859A (en) Method for the synthesis of a benzimidazole compound
GB2292574B (en) Method for improving productivity of a well
SG52259A1 (en) A method of presulfurizing a catalyst
PL330064A1 (en) Method of obtaining a catalyst
SG46754A1 (en) Process for preparing a hydroprocessing catalyst from waste hydroprocessing catalyst
ZA959333B (en) A process and a catalyst for preventing reactor fouling
SG55103A1 (en) Catalyst and process for producing oxirane compound
DE69732781D1 (de) Verfahren zur in-situ Modernisierung eines heterogenen exothermen Synthesereaktors
BR9500272A (pt) Processo para modernização "In-Situ" de reator e para realizar reações de síntese exotérmica heterogênea
ZA957551B (en) Method for in-situ modernization of a urea synthesis reactor
HUP9802256A3 (en) Process and reactor for heterogeneous exothermic synthesis of formaldehyde
PL334619A1 (en) Method of and apparatus for making a transfirmer/reactor
HU9403794D0 (en) Method for in-situ modernization of a heterogeneous exothermic synthesis reactor, particularly of the so called kellogg type
PL302315A1 (en) Method of obtaining a catalyst
GR3034690T3 (en) Process and reactor for heterogeneous exothermic synthesis of formaldehyde
HUP0002184A3 (en) A process for the reduction of reactor fouling
ZA954204B (en) A process for improving the effectiveness of a process catalyst
DE69829549D1 (de) Verfahren zur in-situ Modernisierung eines heterogenen Synthesereaktors
GB9024564D0 (en) An improved process for carrying out a photocatalytic reaction
ZA9826B (en) Process for reduction of a carbonyl compound
EP0883589A4 (de) Ein verfahren zur herstellung von hexafluorpropanen
PL285671A1 (en) Method of carrying out a catalytic hydrocracking process
PL303523A1 (en) Method of obtaining a selective catalyst for synthesis of higher aliphatic alcohols c1-c6
GB9717468D0 (en) A process for preparing isothiocyano compounds
GB9309411D0 (en) An improved process for carrying out a photocatalytic reaction