WO2005024095A1 - Aqueous compositions and method for cleaning gas turbine compressor blades - Google Patents

Aqueous compositions and method for cleaning gas turbine compressor blades Download PDF

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Publication number
WO2005024095A1
WO2005024095A1 PCT/US2004/026709 US2004026709W WO2005024095A1 WO 2005024095 A1 WO2005024095 A1 WO 2005024095A1 US 2004026709 W US2004026709 W US 2004026709W WO 2005024095 A1 WO2005024095 A1 WO 2005024095A1
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WO
WIPO (PCT)
Prior art keywords
ether
glycol
recited
composition
mixture
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.)
Ceased
Application number
PCT/US2004/026709
Other languages
English (en)
French (fr)
Other versions
WO2005024095A8 (en
Inventor
Laibin Yan
Bruce K. Fillipo
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.)
General Electric Co
Original Assignee
General Electric 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
Priority to CA2537510A priority Critical patent/CA2537510C/en
Priority to IN2361DEN2012 priority patent/IN2012DN02361A/en
Priority to CN2004800325169A priority patent/CN1875131B/zh
Priority to BRPI0413779-5A priority patent/BRPI0413779B1/pt
Priority to NZ545682A priority patent/NZ545682A/en
Priority to JP2006525346A priority patent/JP5404997B2/ja
Priority to MXPA06002490A priority patent/MXPA06002490A/es
Priority to KR1020067004445A priority patent/KR101140696B1/ko
Application filed by General Electric Co filed Critical General Electric Co
Priority to EP04781411.6A priority patent/EP1664385B1/en
Priority to AU2004271132A priority patent/AU2004271132B2/en
Publication of WO2005024095A1 publication Critical patent/WO2005024095A1/en
Anticipated expiration legal-status Critical
Publication of WO2005024095A8 publication Critical patent/WO2005024095A8/en
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/364—Organic compounds containing phosphorus containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0073—Anticorrosion compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2068—Ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/28—Heterocyclic compounds containing nitrogen in the ring
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
    • C23G1/26—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/002—Cleaning of turbomachines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines

Definitions

  • the present invention relates to a chemical cleaning solution for gas turbine blades.
  • the present invention relates to a cleaning composition comprising a glycol alkyl ether compound, a solvent and a metal corrosion inhibitor component.
  • a Mars turbine has a 15 stage compressor and each stage is comprised of a stationary row of blades (stator blades) and a rotating row of blades. The blades are the largest at stage 1 and the smallest at stage 15. During operation, air is drawn into the compressor's divergent passage and compressed through every stage.
  • the stator blades direct the compressed air at each stage across its companion row of rotating blades.
  • the air foil of the stator and rotating blades has been designed for maximum efficiency. However, as a result of continuous operation, contaminants build up on the leading edge of these air foils. Consequently, overall efficiency is lost in the compressor section. This in turn reduces the horsepower available for consumer use.
  • the Mars turbine engine compresses approximately 90 pounds per second of air at full rated horsepower. There is only a small amount of airborne contaminants per standard cubic foot of air. However, with the massive amounts of air passing through the turbine, these contaminants are multiplied. Moreover, the air enters the turbine at room temperature and leaves the compressor at approximately 630° F.
  • gas turbines must be cleaned, usually monthly, to maintain operating efficiency and maximum available horsepower.
  • crank washing is the more common of the two.
  • Crank washing is the more common of the two.
  • each turbine uses about 2 gallons of cleaner to clean the turbine, and an additional 1-2 gallons to clean the package.
  • the same cleaner may also be used for general cleaning purposes in the operating plant. Accordingly, there exists a large need for a superior gas turbine cleaner.
  • Gas turbine crank washing is a method whereby a cleaning solution is introduced into the turbine compressor inlet of a turbine while slow cranking takes place. This slow cranking occurs cold without ignition or fuel being introduced.
  • turbine compressor cleaners There are many types of turbine compressor cleaners on the market. These include Penetone® 19, by Penetone Corporation; Connect® 5000, by Conntect, Inc.; Turco® 6783 Series, by Turco Products, Inc.; ZOK® 27, by ZOK Incorporated; and Fyrewash®, by Rochem Corporation.
  • the present invention relates to a gas turbine cleaning composition
  • a gas turbine cleaning composition comprising a mixture of (a) a glycol alkyl ether compound, (b) an alkoxylated surfactant with an alkyl chain length of from about 3 to 18 carbons and (c) a metal corrosion inhibitor component.
  • the present invention further relates to a method of cleaning a gas turbine compressor and/or the blades thereof during power generation without significant loss of power, which comprises contacting the surfaces to be cleaned with a cleaning composition comprising a mixture of (a) a glycol alkyl ether compound, (b) an alkoxylated surfactant with an alkyl chain length of from about 3 to 18 carbons and (c) a metal corrosion inhibitor component.
  • the present invention is directed to a gas turbine cleaner.
  • the cleaner of the present invention is described as a composition.
  • the composition of the present invention comprises a glycol alkyl ether compound and an alkoxylated surfactant with an alkyl chain length of from about 3 to 18 carbons.
  • the present composition may also contain a metal corrosion inhibitor component.
  • the present invention is also directed to a process for cleaning a substrate comprising providing a cleaning solution according to the present invention and contacting the cleaning solution with the substrate to be cleaned.
  • the present invention relates to cleaning agent compositions useful for the cleaning of gas turbine compressor blades.
  • the aqueous cleaning solution of the present invention is applied in order to effectively remove foulants which are deposited in gas turbine compressors, as well as to effectively clean the compressor.
  • foulants which are deposited in gas turbine compressors, as well as to effectively clean the compressor.
  • the particular fouling deposits present on gas turbine compressors depend on the environment in which they operate, and the filtration present.
  • the deposits typically include varying amounts of moisture, soot, water-soluble constituents, insoluble dirt and corrosion products of the compressor blading material.
  • the present invention relates to a cleaning agent composition
  • a cleaning agent composition comprising: (1) a solvent component (about 1 - 20 weight percent) including a combination of one or more alcohol-ethylene glycols, (2) a surfactant component (about 5 - 25 weight percent) including one or more nonionic surfactants, and (3) a metal corrosion inhibitor component (about 1 - 15 weight percent) (remainder water; about 50 - 90 weight percent).
  • the solvent component includes one or more of the following: propylene glycol methyl ether, dipropylene glycol methyl ether, tripropylene glycol methyl ether, propylene glycol n-propyl ether, dipropylene glycol n-propyl ether, tripropylene glycol n-propyl ether, propylene glycol n-butyl ether, dipropylene glycol n-butyl ether, tripropylene glycol n-butyl ether, dipropylene glycol dimethyl ether, diethylene glycol ethyl ether, diethylene glycol methyl ether, diethylene glycol n-butyl ether, diethylene glycol hexyl ether, ethylene glycol propyl ether, ethylene glycol n-butyl ether, and ethylene glycol hexyl ether.
  • the surfactant component includes one or more of the following: nonionic ethoxylate primary and/or secondary alcohols, alkoxylated primary alcohols with propylene oxide, and/or block copolymers of propylene oxide and ethylene oxide.
  • the alkyl chain length is preferably in the range of 3 to 18, more preferably in the range of 6 to 15.
  • the ethylene oxide or propylene oxide materials are in the range of from about 2 to 20 moles. Examples of such types of surfactants are NeodolTM, Surfonic®, Plurafac® and Pluronic® series surfactants.
  • the corrosion inhibitor component includes one or more of the following: N- methyloleamidoacetic acid, triethanolamine, 1,8-octanedicarboxylic acid, (((2- hydroxyethyl) imino) bis-(methylene)) bis-phosphonic acid N-oxide, ((tetrahydro-2- hydroxy-4H-l,4,2-oxaphosphorin-4-yl)methyl) phosphonic acid N-oxide, and 5- methyl-l,2,3-benzotriazole.
  • the pH of the cleaning composition in accordance with the present invention may be adjusted to within the range of about 6.5 to 9, and preferably within the range of 6.5 to 7.5 by the addition of one or more of ammonium hydroxide solution, triethanolamine, and diethanolamine.
  • Test panels were 6 inches diameter by 0.020 inches thick bare stainless steel 316. Soil was uniformly applied to the panel by brush. A cleaning apparatus rotated these panels vertically at 220 rpm in front of a nozzle, perpendicular to the panel that traveled back and forth across the prescribed area nine times per minute. The nozzle tip remained 3.3 ⁇ 0.1 inches from the test panel through the cleaning and rinsing cycles. One thousand ml of a 20 volume percent cleaning solution was aspirated through the nozzle onto the rotating soiled panel at a rate of 100 ⁇ 10 ml per minute. The nozzle was connected to a 10 psig steam line. The test panel was dried and weighed, and results were used to calculate the percent cleaning efficiency of the cleaning compound.
  • the cleaning efficiency of each cleaning formulation is shown in Table I, below. Cleaning efficiency was measured by weight loss and visually observing the amount of soil remaining on the test panels after cleaning. The cleaning efficiency which gave approximately 100% cleaning performance had the highest cleaning power and was ranked as # 1. Deionized (D.I.) water was used as reference and was ranked as # 6. The performance rank was assigned according to visual appearance (clearance) of the test panels after cleaning. As shown in the Table, 15.6% C12-18 alkoxylated linear alcohols (e.g.
  • Neodol 23-5 C12-11 ethoxylate primary alcohol with 5 mole EO units; Neodol 25-7: C12-15 ethoxylate primary alcohol with 7 mole EO units; Neodol 25-9: ethoxylate primary alcohol with 9 mole EO units; Surfonic LI 2- 6: POE (6) C10-12 alkyl; Surfonic L12-8: POE (8) C10-12 alkyl; Surfonic L24-9: POE (9) C12-14 Alkyl; Surfonic JL-25X: C12-18 ethoxylated, propoxylated alcohols; Macol L12: Lauryl alcohol ethoxylate; Iconol 24-9: C12-16 ethoxyl alcohols; Iconol 35-8: C12-15 branched alcohols; molecular weight 580; Plurafac B25-5: C12-15 alkoxylated linear alcohols, molecular weight 810; Plurafac B26: C12-15 alkoxylated linear alcohols
  • the components of the cleaning solution are preferably of high purity and balanced with the corrosion inhibitors.
  • the residue or ash content of the cleaning solution should preferably not exceed about 0.01%; therefore, all the components, especially the surfactant component, should be a grade of high purity, low salt for a gas turbine cleaning application purpose.
  • total alkaline metals should be less than about 25 ppm, magnesium and calcium should be less than about 5 ppm, tin and copper should be less than about 10 ppm, sulfur should be less than about 50 ppm, chlorine should be less than about 40 ppm, and vanadium and lead less than about 0.1 ppm.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
PCT/US2004/026709 2003-09-03 2004-08-17 Aqueous compositions and method for cleaning gas turbine compressor blades Ceased WO2005024095A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
MXPA06002490A MXPA06002490A (es) 2003-09-03 2004-08-17 Composiciones acuosas y metodo para limpiar cuchillas de compresor de turbina de gas.
CN2004800325169A CN1875131B (zh) 2003-09-03 2004-08-17 清洗气体涡轮压缩机叶片的含水组合物和方法
BRPI0413779-5A BRPI0413779B1 (pt) 2003-09-03 2004-08-17 Composições aquosas e método de limpeza de lâminas compressoras de turbinas a gás
NZ545682A NZ545682A (en) 2003-09-03 2004-08-17 Aqueous compositions and method for cleaning gas turbine compressor blades
JP2006525346A JP5404997B2 (ja) 2003-09-03 2004-08-17 ガスタービンコンプレッサのブレード洗浄用水性組成物
CA2537510A CA2537510C (en) 2003-09-03 2004-08-17 Aqueous compositions and method for cleaning gas turbine compressor blades
AU2004271132A AU2004271132B2 (en) 2003-09-03 2004-08-17 Aqueous compositions and method for cleaning gas turbine compressor blades
KR1020067004445A KR101140696B1 (ko) 2003-09-03 2004-08-17 가스 터빈 컴프레서 블레이드 세정용 수성 조성물 및 방법
EP04781411.6A EP1664385B1 (en) 2003-09-03 2004-08-17 Aqueous compositions and method for cleaning gas turbine compressor blades
IN2361DEN2012 IN2012DN02361A (https=) 2003-09-03 2004-08-17

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/654,041 US7018965B2 (en) 2003-09-03 2003-09-03 Aqueous compositions for cleaning gas turbine compressor blades
US10/654,041 2003-09-03

Publications (2)

Publication Number Publication Date
WO2005024095A1 true WO2005024095A1 (en) 2005-03-17
WO2005024095A8 WO2005024095A8 (en) 2006-06-08

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Application Number Title Priority Date Filing Date
PCT/US2004/026709 Ceased WO2005024095A1 (en) 2003-09-03 2004-08-17 Aqueous compositions and method for cleaning gas turbine compressor blades

Country Status (14)

Country Link
US (1) US7018965B2 (https=)
EP (1) EP1664385B1 (https=)
JP (1) JP5404997B2 (https=)
KR (1) KR101140696B1 (https=)
CN (1) CN1875131B (https=)
AU (1) AU2004271132B2 (https=)
BR (1) BRPI0413779B1 (https=)
CA (1) CA2537510C (https=)
IN (1) IN2012DN02361A (https=)
MX (1) MXPA06002490A (https=)
MY (1) MY139477A (https=)
NZ (1) NZ545682A (https=)
TW (1) TWI368673B (https=)
WO (1) WO2005024095A1 (https=)

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EP2857488A3 (en) * 2013-09-17 2015-07-15 General Electric Company Cleansing and film-forming washes for turbine compressors
WO2023161295A1 (de) * 2022-02-24 2023-08-31 Alfred Kärcher SE & Co. KG Reinigungskonzentrat für turbinen-strahltriebwerke, reinigungslösung und deren verwendung
US11988102B2 (en) 2019-07-29 2024-05-21 Mitsubishi Power, Ltd. Method of cleaning blade of rotary device
WO2025056707A1 (en) 2023-09-13 2025-03-20 Basf Se Process for cleaning a compressor in a continuous process for the epoxidation of an olefin

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GB201113083D0 (en) 2011-07-29 2011-09-14 Formatex Offshore S A L A method for in-situ cleaning of compressor blades in a gas turbine engine on aircraft and compositions
JP6199013B2 (ja) * 2012-07-19 2017-09-20 株式会社トクヤマＭｅｔｅｌ 洗浄剤及び洗浄方法
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BR102016021259B1 (pt) * 2015-10-05 2022-06-14 General Electric Company Método e soluções de limpeza de um motor de turbina e composição de reagente
US10428683B2 (en) 2016-01-05 2019-10-01 General Electric Company Abrasive gel detergent for cleaning gas turbine engine components
US10005111B2 (en) 2016-01-25 2018-06-26 General Electric Company Turbine engine cleaning systems and methods
US11690825B2 (en) 2016-03-09 2023-07-04 Board Of Regents, The University Of Texas System 20-HETE receptor (GPR75) antagonists and methods of use
US10421926B2 (en) 2017-01-20 2019-09-24 Ecolab Usa Inc. Cleaning and rinse aid compositions and emulsions or microemulsions employing optimized extended chain nonionic surfactants
US11053813B2 (en) * 2017-04-18 2021-07-06 General Electric Company Turbine component cleaning system and method having detergent recovery and regeneration
US10377968B2 (en) 2017-06-12 2019-08-13 General Electric Company Cleaning compositions and methods for removing oxides from superalloy substrates
CN108641826A (zh) * 2018-03-02 2018-10-12 孙远 一种涡轮油泥清除剂及涡轮冲洗液
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CN1875131B (zh) 2010-08-11
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MXPA06002490A (es) 2006-06-20
EP1664385A1 (en) 2006-06-07
EP1664385B1 (en) 2019-06-12
AU2004271132A1 (en) 2005-03-17
US7018965B2 (en) 2006-03-28
JP2007504323A (ja) 2007-03-01
AU2004271132B2 (en) 2010-09-02
TW200528583A (en) 2005-09-01
BRPI0413779A (pt) 2006-10-31
CN1875131A (zh) 2006-12-06
KR20060125697A (ko) 2006-12-06
TWI368673B (en) 2012-07-21
JP5404997B2 (ja) 2014-02-05
IN2012DN02361A (https=) 2015-08-21
WO2005024095A8 (en) 2006-06-08
KR101140696B1 (ko) 2012-05-03
BRPI0413779B1 (pt) 2015-01-06
MY139477A (en) 2009-10-30
CA2537510C (en) 2012-04-10
CA2537510A1 (en) 2005-03-17

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