IT1295412B1 - Composizione d'additivo antiinvecchiamento per circuito di quench oil in un impianto di produzione di etilene e metodo di conduzione - Google Patents

Composizione d'additivo antiinvecchiamento per circuito di quench oil in un impianto di produzione di etilene e metodo di conduzione

Info

Publication number
IT1295412B1
IT1295412B1 IT97RM000598A ITRM970598A IT1295412B1 IT 1295412 B1 IT1295412 B1 IT 1295412B1 IT 97RM000598 A IT97RM000598 A IT 97RM000598A IT RM970598 A ITRM970598 A IT RM970598A IT 1295412 B1 IT1295412 B1 IT 1295412B1
Authority
IT
Italy
Prior art keywords
composition
quench oil
ethylene production
production plant
oil circuit
Prior art date
Application number
IT97RM000598A
Other languages
English (en)
Inventor
Andrea Zanotti
Francesco Magri
Roberto Faina
Original Assignee
Chimec 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
Application filed by Chimec Spa filed Critical Chimec Spa
Priority to IT97RM000598A priority Critical patent/IT1295412B1/it
Priority to US09/162,212 priority patent/US6096188A/en
Priority to DE69823448T priority patent/DE69823448T2/de
Priority to ES98830584T priority patent/ES2219864T3/es
Priority to AT98830584T priority patent/ATE265512T1/de
Priority to PT98830584T priority patent/PT908505E/pt
Priority to EP98830584A priority patent/EP0908505B1/en
Publication of ITRM970598A1 publication Critical patent/ITRM970598A1/it
Application granted granted Critical
Publication of IT1295412B1 publication Critical patent/IT1295412B1/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
    • C07C4/04—Thermal processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT97RM000598A 1997-10-06 1997-10-06 Composizione d'additivo antiinvecchiamento per circuito di quench oil in un impianto di produzione di etilene e metodo di conduzione IT1295412B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT97RM000598A IT1295412B1 (it) 1997-10-06 1997-10-06 Composizione d'additivo antiinvecchiamento per circuito di quench oil in un impianto di produzione di etilene e metodo di conduzione
US09/162,212 US6096188A (en) 1997-10-06 1998-09-30 Anti-aging additive composition for a quench oil circuit in an ethylene production plant and method of operating the circuit
DE69823448T DE69823448T2 (de) 1997-10-06 1998-10-05 Verfahren zum Betrieb einer Ethylenproduktionsanlage beinhaltend die Zugabe zum Abschrecköl einer Alterungsschutzzusammensetzung
ES98830584T ES2219864T3 (es) 1997-10-06 1998-10-05 Metodo para operar una planta de produccion de etileno que comprende la adicion de una composicion de aditivo antienvejecimiento a un aceite de enfriamiento brusco.
AT98830584T ATE265512T1 (de) 1997-10-06 1998-10-05 Verfahren zum betrieb einer ethylenproduktionsanlage beinhaltend die zugabe zum abschrecköl einer alterungsschutzzusammensetzung
PT98830584T PT908505E (pt) 1997-10-06 1998-10-05 Composicao aditiva anti envelhecimento para um circuito de oleo de arrefecimento numa unidade de producao de etileno e metodo para operar o circuito
EP98830584A EP0908505B1 (en) 1997-10-06 1998-10-05 Method for operating an ethylene production plant comprising the addition of an anti-aging additive composition to a quench oil.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97RM000598A IT1295412B1 (it) 1997-10-06 1997-10-06 Composizione d'additivo antiinvecchiamento per circuito di quench oil in un impianto di produzione di etilene e metodo di conduzione

Publications (2)

Publication Number Publication Date
ITRM970598A1 ITRM970598A1 (it) 1999-04-06
IT1295412B1 true IT1295412B1 (it) 1999-05-12

Family

ID=11405280

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97RM000598A IT1295412B1 (it) 1997-10-06 1997-10-06 Composizione d'additivo antiinvecchiamento per circuito di quench oil in un impianto di produzione di etilene e metodo di conduzione

Country Status (7)

Country Link
US (1) US6096188A (it)
EP (1) EP0908505B1 (it)
AT (1) ATE265512T1 (it)
DE (1) DE69823448T2 (it)
ES (1) ES2219864T3 (it)
IT (1) IT1295412B1 (it)
PT (1) PT908505E (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639026B2 (en) 2001-05-22 2003-10-28 Ge Betz, Inc. Methods and compositions for inhibiting polymerization of vinyl monomers
ITRM20060581A1 (it) * 2006-10-26 2008-04-27 Chimec Spa Additivo stabilizzante per olio combustibile
US20080185316A1 (en) * 2007-02-06 2008-08-07 Baker Hughes Incorporated Method for Reducing Quench Oil Fouling in Cracking Processes
CN101838058B (zh) * 2009-12-31 2012-07-18 上海良田化工有限公司 一种乙烯装置工艺水系统阻垢剂及其使用方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB595916A (en) * 1944-10-18 1947-12-23 Kodak Ltd Improvements in motor fuels
BE579394A (it) * 1958-06-09
JPS5924138B2 (ja) * 1981-04-30 1984-06-07 栗田工業株式会社 汚れ防止剤
US4670131A (en) * 1986-01-13 1987-06-02 Exxon Chemical Patents Inc. Method for controlling fouling of hydrocarbon compositions containing olefinic compounds
US4929778A (en) * 1989-06-05 1990-05-29 Betz Laboratories, Inc. Methods and compositions for inhibiting styrene polymerization
KR100193146B1 (ko) * 1990-07-20 1999-06-15 월터 클리웨인, 한스-피터 위트린 안정화된 단량체 조성물
JPH05156233A (ja) * 1991-12-10 1993-06-22 Mitsubishi Petrochem Co Ltd エチレン製造装置蒸留塔汚れ防止剤
US5824829A (en) * 1993-12-16 1998-10-20 Baker Hughes Incorporated Hydrocarbon viscosity inhibitor and inhibiting method
JP3545440B2 (ja) * 1993-12-16 2004-07-21 伯東株式会社 芳香族不飽和化合物の粘度上昇抑制剤およびその方法
IT1284204B1 (it) * 1996-07-08 1998-05-14 Chimec Spa Procedimento ed additivo per aumentare la resa in operazioni di conversione termica in impianti petroliferi

Also Published As

Publication number Publication date
EP0908505A1 (en) 1999-04-14
ES2219864T3 (es) 2004-12-01
DE69823448D1 (de) 2004-06-03
PT908505E (pt) 2004-08-31
ITRM970598A1 (it) 1999-04-06
EP0908505B1 (en) 2004-04-28
DE69823448T2 (de) 2005-04-07
US6096188A (en) 2000-08-01
ATE265512T1 (de) 2004-05-15

Similar Documents

Publication Publication Date Title
DE69710297D1 (de) Polyhalogenalkyletherderivate sowie diese enthaltende Flüssigkristallzusammensetzung und Flüssigkristallanzeigeelemente
DK1001036T3 (da) Enzymatiske fremgangsmåder til spaltning af enantiomerblandinger af forbindelser, der er nyttige som mellemprodukter ved fremstillingen af taxaner
BR9401062A (pt) Composição aditiva, processo para preparar uma composição aditiva, composição de combustível e composição lubrificante
NO980064D0 (no) Forbedring av flytdyktigheten til mineraloljer og mineraloljedestillater ved anvendelse av alkylenfenolaldehydharpikser
DE69929242D1 (de) Stabilisierte thermoplastische zusammensetzungen
PE74399A1 (es) Combinaciones para diabetes de sulfonilurea - glitazona
ES2060657T3 (es) Procedimiento de extraccion de compuestos aromaticos.
BR9707317A (pt) Processo para fazer uma composição de resina termofixa espessada
IT1295412B1 (it) Composizione d'additivo antiinvecchiamento per circuito di quench oil in un impianto di produzione di etilene e metodo di conduzione
BR8804990A (pt) Composicao polimerica cristalina estabilizada,processo para estabilizacao de um polimero contra perda da cristalinide aparente,e processo para reter uma cristalinidade aparente relativamente alta de uma policetona
BR9912882A (pt) Processo para redução de ácidos orgânicos em alimentações de petróleo contendo ácidos orgânicos
WO2004011550A3 (en) Phase change solvents for thermoplastic elastomers
BR9302426A (pt) Processo para a separacao de uma mistura anomerica
FR2709127B1 (fr) Composés pipéridiques, composition stabilisée par ces composés, procédé les utilisant et leur utilisation pour stabiliser une matière organique.
MX9302410A (es) Estabilizadores polisiloxanicos que contienen grupos fenol y grupos oxamidicos impedidos estericamente.
BR9304926A (pt) Compostos oligômeros, composição, aplicação dos ditos compostos, processo para a estabilização de um material orgânico e produtos oligômeros
ES2128478T3 (es) Procedimiento para la obtencion de arilcarbonatos.
BR9303860A (pt) Oxamidas absorvedoras de U.V., processo para preparar uma oxamida, processo para estabilizar uma composiçao de polimero e composiçao de polimero estabilizada
ZA926869B (en) Polysiloxanic stabilizers containing sterically hindered phenol groups and reactive groups.
ATE330982T1 (de) Verfahren zur kristallisation von polycarbonat- prepolymer
MX9300149A (es) Estabilizantes oxamidicos
DE69223078D1 (de) Stabilisatorzusammensetzung für organische Polymere
CA2268031A1 (en) Lubricity additives for fuel oil compositions
EP0696160A3 (it)
FI990789A0 (fi) Polttoaineöljykoostumuksia varten tarkoitetut voitelevat lisäaineet

Legal Events

Date Code Title Description
0001 Granted