KR101644592B1 - 고온 나프텐산 부식 억제에 효과적인 신규 비중합 및 논-파울링 첨가제, 및 이를 이용한 고온 나프텐산 부식 억제 방법 - Google Patents

고온 나프텐산 부식 억제에 효과적인 신규 비중합 및 논-파울링 첨가제, 및 이를 이용한 고온 나프텐산 부식 억제 방법 Download PDF

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Publication number
KR101644592B1
KR101644592B1 KR1020117027039A KR20117027039A KR101644592B1 KR 101644592 B1 KR101644592 B1 KR 101644592B1 KR 1020117027039 A KR1020117027039 A KR 1020117027039A KR 20117027039 A KR20117027039 A KR 20117027039A KR 101644592 B1 KR101644592 B1 KR 101644592B1
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KR
South Korea
Prior art keywords
corrosion
naphthenic acid
phosphate ester
additive
hydrocarbon
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Expired - Fee Related
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KR1020117027039A
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English (en)
Korean (ko)
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KR20120013380A (ko
Inventor
마헤시 수브라마니암
Original Assignee
도르프 케탈 케미칼즈 (인디아) 프라이비트 리미티드
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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
    • C10G75/00—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general
    • C10G75/02—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general by addition of corrosion inhibitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
    • 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
    • C10G7/00—Distillation of hydrocarbon oils
    • 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
    • C10G7/00—Distillation of hydrocarbon oils
    • C10G7/10—Inhibiting corrosion during distillation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/04—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/08—Corrosion inhibition
    • 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
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1033—Oil well production fluids
    • 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
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/201—Impurities
    • C10G2300/202—Heteroatoms content, i.e. S, N, O, P
    • C10G2300/203—Naphthenic acids, TAN
    • 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
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/40—Characteristics of the process deviating from typical ways of processing
    • C10G2300/4075—Limiting deterioration of equipment
    • 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
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/80—Additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Lubricants (AREA)
  • Epoxy Compounds (AREA)
  • Polyethers (AREA)
  • Paints Or Removers (AREA)
KR1020117027039A 2009-04-15 2010-04-15 고온 나프텐산 부식 억제에 효과적인 신규 비중합 및 논-파울링 첨가제, 및 이를 이용한 고온 나프텐산 부식 억제 방법 Expired - Fee Related KR101644592B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN974MU2009 2009-04-15
IN974/MUM/2009 2009-04-15
PCT/IB2010/051636 WO2010119417A1 (en) 2009-04-15 2010-04-15 An effective novel non - polymeric and non - fouling additive for inhibiting high - temperature naphthenic acid corrosion and method of using the same

Publications (2)

Publication Number Publication Date
KR20120013380A KR20120013380A (ko) 2012-02-14
KR101644592B1 true KR101644592B1 (ko) 2016-08-01

Family

ID=42312693

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020117027039A Expired - Fee Related KR101644592B1 (ko) 2009-04-15 2010-04-15 고온 나프텐산 부식 억제에 효과적인 신규 비중합 및 논-파울링 첨가제, 및 이를 이용한 고온 나프텐산 부식 억제 방법

Country Status (21)

Country Link
US (2) US20120045361A1 (https=)
EP (1) EP2419491B1 (https=)
JP (1) JP5970373B2 (https=)
KR (1) KR101644592B1 (https=)
CN (1) CN102459521B (https=)
AU (1) AU2010238162B2 (https=)
BR (1) BRPI1006578B1 (https=)
CA (1) CA2758521C (https=)
CL (1) CL2011002570A1 (https=)
CO (1) CO6440589A2 (https=)
ES (1) ES2761942T3 (https=)
HR (1) HRP20192308T1 (https=)
HU (1) HUE048379T2 (https=)
MX (1) MX344127B (https=)
MY (1) MY159736A (https=)
PE (1) PE20121155A1 (https=)
PL (1) PL2419491T3 (https=)
PT (1) PT2419491T (https=)
SG (1) SG175714A1 (https=)
WO (1) WO2010119417A1 (https=)
ZA (1) ZA201108266B (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277168B (zh) * 2008-08-26 2018-06-15 多尔夫凯塔尔化学制品（I）私人有限公司 一种用于抑制环烷酸腐蚀的有效的聚合物添加剂及其使用方法
MY159736A (en) 2009-04-15 2017-01-31 Dorf Ketal Chemicals (I) Pvt Ltd An effective novel non-polymeric and non-fouling additive for inhibiting high- temperature naphthenic acid corrosion and method of using the same
US9238780B2 (en) 2012-02-17 2016-01-19 Reliance Industries Limited Solvent extraction process for removal of naphthenic acids and calcium from low asphaltic crude oil
CA2890231C (en) * 2012-11-06 2019-09-24 Exxonmobil Research And Engineering Company Method for identifying layers providing corrosion protection in crude oil fractions
CN109666519A (zh) * 2019-02-27 2019-04-23 中宁县中创气业有限公司 一种汽车尾气清洁剂组合物
US11767596B2 (en) 2019-07-29 2023-09-26 Ecolab Usa Inc. Oil soluble molybdenum complexes for inhibiting high temperature corrosion and related applications in petroleum refineries
EP4004149A1 (en) 2019-07-29 2022-06-01 Ecolab USA Inc. Oil soluble molybdenum complexes as high temperature fouling inhibitors
CA3186764A1 (en) 2020-07-29 2022-02-03 Ecolab Usa Inc. Phosphorous-free oil soluble molybdenum complexes as high temperature fouling inhibitors
CA3186667A1 (en) 2020-07-29 2022-02-03 Oussama ZENASNI Phophorous-free oil soluble molybdenum complexes for high temperature naphthenic acid corrosion inhibition

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630852A (en) 1994-11-23 1997-05-20 Fmc Corporation Organophosphorus additives for improved fuel lubricity
WO2006025912A2 (en) * 2004-06-16 2006-03-09 Champion Technologies, Inc. Low dosage naphthenate inhibitors
US20070087944A1 (en) 2003-04-28 2007-04-19 Phillips William D Lubricant compositions

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US870937A (en) 1907-04-09 1907-11-12 Thomas Watts Coslett Treatment of iron or steel for preventing oxidation or rusting.
US1872091A (en) 1930-09-24 1932-08-16 Gen Motors Res Corp Process of cleaning metal
NL131125C (https=) 1959-06-04
US3145886A (en) 1962-04-10 1964-08-25 Kenneth A Goodwin Self-closing caps for collapsible tubes
US3407150A (en) * 1963-02-07 1968-10-22 Pittsburgh Plate Glass Co Oxyalkylated phosphorus acid esters as urethane fire-retardants
US3460989A (en) 1964-09-02 1969-08-12 John H Rusch Method of treating ferrous metal surfaces
US3531394A (en) 1968-04-25 1970-09-29 Exxon Research Engineering Co Antifoulant additive for steam-cracking process
US4051029A (en) * 1972-07-17 1977-09-27 Petrolite Corporation Process of inhibiting scale formation with mixtures of thio-, oxygen or thio-oxygen phosphates and pyrophosphates
US4042323A (en) * 1972-07-17 1977-08-16 Petrolite Corporation Process of inhibiting corrosion of metal in an aqueous environment with mixtures of thio-, oxygen and thio- oxygen phosphates and pyrophosphates
US3909447A (en) * 1972-07-17 1975-09-30 Petrolite Corp Mixtures of thiophosphates, oxygen phosphates and pyrophosphates
US3959177A (en) * 1973-12-07 1976-05-25 Petrolite Corporation Multifunctional corrosion inhibitors
US4024049A (en) 1975-01-07 1977-05-17 Nalco Chemical Company Mono and di organophosphite esters as crude oil antifoulants
US4105540A (en) 1977-12-15 1978-08-08 Nalco Chemical Company Phosphorus containing compounds as antifoulants in ethylene cracking furnaces
US4428860A (en) * 1979-10-22 1984-01-31 Basf Wyandotte Corporation Polyether thickeners for aqueous systems containing additives for increased thickening efficiency
US4339349A (en) * 1980-02-11 1982-07-13 Petrolite Corporation Corrosion inhibitors for limited oxygen systems
US4443609A (en) 1980-05-19 1984-04-17 Petrolite Corporation Tetrahydrothiazole phosphonic acids or esters thereof
JPS58152096A (ja) * 1982-03-05 1983-09-09 Hitachi Ltd 金属加工用潤滑油組成物及びその使用方法
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
JPS6418435A (en) * 1987-07-15 1989-01-23 Asahi Denka Kogyo Kk Low foaming surface active agent composition
US4842716A (en) 1987-08-13 1989-06-27 Nalco Chemical Company Ethylene furnace antifoulants
US4813482A (en) * 1987-09-17 1989-03-21 Gaf Corporation Method for removal of paraffin from producing oil wells
US4941994A (en) 1989-07-18 1990-07-17 Petrolite Corporation Corrosion inhibitors for use in hot hydrocarbons
US5182013A (en) 1990-12-21 1993-01-26 Exxon Chemical Patents Inc. Naphthenic acid corrosion inhibitors
US5252254A (en) 1992-12-30 1993-10-12 Nalco Chemical Company Naphthenic acid corrosion inhibitor
US5611992A (en) * 1994-05-24 1997-03-18 Champion Technologies Inc. Corrosion inhibitor blends with phosphate esters
US5611991A (en) * 1994-05-24 1997-03-18 Champion Technologies, Inc. Corrosion inhibitor containing phosphate groups
JPH0820765A (ja) * 1994-07-06 1996-01-23 Ipposha Oil Ind Co Ltd 研磨・研削液
US5552085A (en) 1994-08-31 1996-09-03 Nalco Chemical Company Phosphorus thioacid ester inhibitor for naphthenic acid corrosion
US5630964A (en) 1995-05-10 1997-05-20 Nalco/Exxon Energy Chemicals, L.P. Use of sulfiding agents for enhancing the efficacy of phosphorus in controlling high temperature corrosion attack
JP4040931B2 (ja) * 2002-08-26 2008-01-30 ミヨシ油脂株式会社 紙類処理剤及び紙類
CN1580327A (zh) * 2003-08-13 2005-02-16 上海贵通新材料科技有限公司 一种用于炼油装置高温部位设备的缓蚀剂
US7776930B2 (en) * 2004-06-16 2010-08-17 Champion Technologies, Inc. Methods for inhibiting naphthenate salt precipitates and naphthenate-stabilized emulsions
CA2682373C (en) * 2007-03-30 2013-05-21 Dorf Ketal Chemicals (I) Private Limited High temperature naphthenic acid corrosion inhibition using organophosphorous sulphur compounds and combinations thereof
EP2142617B1 (en) * 2007-04-04 2020-06-24 Dorf Ketal Chemicals (I) Private Limited Naphthenic acid corrosion inhibition using new synergetic combination of phosphorus compounds
CN104277168B (zh) * 2008-08-26 2018-06-15 多尔夫凯塔尔化学制品（I）私人有限公司 一种用于抑制环烷酸腐蚀的有效的聚合物添加剂及其使用方法
MY159736A (en) 2009-04-15 2017-01-31 Dorf Ketal Chemicals (I) Pvt Ltd An effective novel non-polymeric and non-fouling additive for inhibiting high- temperature naphthenic acid corrosion and method of using the same
MY163743A (en) * 2010-11-15 2017-10-31 Dorf Ketal Chemicals (India) Private Ltd Additive and method for removal of calcium from crude oils containing calcium naphthenate
IN2013MU01165A (https=) * 2013-03-26 2015-04-24 Dorf Ketal Chemicals India Private Ltd

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630852A (en) 1994-11-23 1997-05-20 Fmc Corporation Organophosphorus additives for improved fuel lubricity
US20070087944A1 (en) 2003-04-28 2007-04-19 Phillips William D Lubricant compositions
WO2006025912A2 (en) * 2004-06-16 2006-03-09 Champion Technologies, Inc. Low dosage naphthenate inhibitors

Also Published As

Publication number Publication date
JP5970373B2 (ja) 2016-08-17
CA2758521C (en) 2015-02-17
ES2761942T3 (es) 2020-05-21
JP2012524167A (ja) 2012-10-11
CO6440589A2 (es) 2012-05-15
CA2758521A1 (en) 2010-10-21
PL2419491T3 (pl) 2020-04-30
CN102459521B (zh) 2016-09-07
HUE048379T2 (hu) 2020-07-28
BRPI1006578B1 (pt) 2018-09-25
PT2419491T (pt) 2019-12-30
MX2011010965A (es) 2011-11-18
US20120045361A1 (en) 2012-02-23
MX344127B (es) 2016-12-05
KR20120013380A (ko) 2012-02-14
MY159736A (en) 2017-01-31
WO2010119417A1 (en) 2010-10-21
AU2010238162A1 (en) 2011-12-01
PE20121155A1 (es) 2012-08-27
CL2011002570A1 (es) 2012-04-09
US20160362619A1 (en) 2016-12-15
EP2419491A1 (en) 2012-02-22
ZA201108266B (en) 2014-04-30
EP2419491B1 (en) 2019-10-09
AU2010238162B2 (en) 2014-05-15
SG175714A1 (en) 2011-12-29
CN102459521A (zh) 2012-05-16
BRPI1006578A2 (pt) 2016-02-10
US9777230B2 (en) 2017-10-03
HRP20192308T1 (hr) 2020-03-20

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