ATE169328T1 - Phosphorothionates als koksbildung-inhibitoren - Google Patents

Phosphorothionates als koksbildung-inhibitoren

Info

Publication number
ATE169328T1
ATE169328T1 AT94302429T AT94302429T ATE169328T1 AT E169328 T1 ATE169328 T1 AT E169328T1 AT 94302429 T AT94302429 T AT 94302429T AT 94302429 T AT94302429 T AT 94302429T AT E169328 T1 ATE169328 T1 AT E169328T1
Authority
AT
Austria
Prior art keywords
phosphorothionates
coke formation
formation inhibitors
phosphorotrithioate
heat transfer
Prior art date
Application number
AT94302429T
Other languages
English (en)
Inventor
Youndong Tong
Michael K Poindexter
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of ATE169328T1 publication Critical patent/ATE169328T1/de

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
    • C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
    • C10G9/16—Preventing or removing incrustation
    • 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
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/949—Miscellaneous considerations
    • Y10S585/95—Prevention or removal of corrosion or solid deposits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Luminescent Compositions (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Electroluminescent Light Sources (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT94302429T 1993-04-07 1994-04-06 Phosphorothionates als koksbildung-inhibitoren ATE169328T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/044,183 US5354450A (en) 1993-04-07 1993-04-07 Phosphorothioate coking inhibitors

Publications (1)

Publication Number Publication Date
ATE169328T1 true ATE169328T1 (de) 1998-08-15

Family

ID=21930950

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94302429T ATE169328T1 (de) 1993-04-07 1994-04-06 Phosphorothionates als koksbildung-inhibitoren

Country Status (9)

Country Link
US (1) US5354450A (de)
EP (1) EP0619361B1 (de)
JP (1) JP2944882B2 (de)
AT (1) ATE169328T1 (de)
AU (1) AU660867B2 (de)
BR (1) BR9304384A (de)
DE (1) DE69412161T2 (de)
ES (1) ES2122164T3 (de)
TW (1) TW263528B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5779881A (en) * 1994-02-03 1998-07-14 Nalco/Exxon Energy Chemicals, L.P. Phosphonate/thiophosphonate coking inhibitors
US5500107A (en) * 1994-03-15 1996-03-19 Betz Laboratories, Inc. High temperature corrosion inhibitor
US5552085A (en) * 1994-08-31 1996-09-03 Nalco Chemical Company Phosphorus thioacid ester inhibitor for naphthenic acid corrosion
US5863416A (en) * 1996-10-18 1999-01-26 Nalco/Exxon Energy Chemicals, L.P. Method to vapor-phase deliver heater antifoulants
US5954943A (en) * 1997-09-17 1999-09-21 Nalco/Exxon Energy Chemicals, L.P. Method of inhibiting coke deposition in pyrolysis furnaces
US6852213B1 (en) * 1999-09-15 2005-02-08 Nalco Energy Services Phosphorus-sulfur based antifoulants
US6482311B1 (en) 2000-08-01 2002-11-19 Tda Research, Inc. Methods for suppression of filamentous coke formation
US6368494B1 (en) 2000-08-14 2002-04-09 Nalco/Exxon Energy Chemicals, L.P. Method for reducing coke in EDC-VCM furnaces with a phosphite inhibitor
US6454995B1 (en) 2000-08-14 2002-09-24 Ondeo Nalco Energy Services, L.P. Phosphine coke inhibitors for EDC-VCM furnaces
AU2002348713A1 (en) * 2002-06-26 2004-01-19 Dorf Ketal Chemicals India Pvt. Ltd. Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process
US7906012B2 (en) * 2002-07-16 2011-03-15 Dorf Ketal Chemicals India Pvt. Ltd. Method for reducing foam in a primary fractionator
US7056399B2 (en) * 2003-04-29 2006-06-06 Nova Chemicals (International) S.A. Passivation of steel surface to reduce coke formation
US8466096B2 (en) * 2007-04-26 2013-06-18 Afton Chemical Corporation 1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives in lubricant compositions
US20110100015A1 (en) * 2009-11-05 2011-05-05 General Electric Company Gas turbine system to inhibit coke formation and methods of use

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531394A (en) * 1968-04-25 1970-09-29 Exxon Research Engineering Co Antifoulant additive for steam-cracking process
US4024049A (en) * 1975-01-07 1977-05-17 Nalco Chemical Company Mono and di organophosphite esters as crude oil antifoulants
US4024051A (en) * 1975-01-07 1977-05-17 Nalco Chemical Company Using an antifoulant in a crude oil heating process
US4024050A (en) * 1975-01-07 1977-05-17 Nalco Chemical Company Phosphorous ester antifoulants in crude oil refining
US4024048A (en) * 1975-01-07 1977-05-17 Nalco Chemical Company Organophosphorous antifoulants in hydrodesulfurization
US4105540A (en) * 1977-12-15 1978-08-08 Nalco Chemical Company Phosphorus containing compounds as antifoulants in ethylene cracking furnaces
US4728629A (en) * 1980-08-05 1988-03-01 Phillips Petroleum Company Cracking catalyst restoration with aluminum compounds
US4542253A (en) * 1983-08-11 1985-09-17 Nalco Chemical Company Use of phosphate and thiophosphate esters neutralized with water soluble amines as ethylene furnace anti-coking antifoulants
US4842716A (en) * 1987-08-13 1989-06-27 Nalco Chemical Company Ethylene furnace antifoulants
US4835332A (en) * 1988-08-31 1989-05-30 Nalco Chemical Company Use of triphenylphosphine as an ethylene furnace antifoulant
US4900426A (en) * 1989-04-03 1990-02-13 Nalco Chemical Company Triphenylphosphine oxide as an ethylene furnace antifoulant
US4941994A (en) * 1989-07-18 1990-07-17 Petrolite Corporation Corrosion inhibitors for use in hot hydrocarbons

Also Published As

Publication number Publication date
US5354450A (en) 1994-10-11
AU660867B2 (en) 1995-07-06
ES2122164T3 (es) 1998-12-16
JPH06306369A (ja) 1994-11-01
EP0619361A2 (de) 1994-10-12
AU5496294A (en) 1994-10-13
BR9304384A (pt) 1994-11-08
EP0619361B1 (de) 1998-08-05
TW263528B (de) 1995-11-21
JP2944882B2 (ja) 1999-09-06
EP0619361A3 (de) 1995-01-11
DE69412161D1 (de) 1998-09-10
DE69412161T2 (de) 1999-02-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee