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Lubricant maintenance / Lubricant Varnish and EHC fluid challenges.

 

News / Articles / Publications / Presentations


2019

EPRI, Savanah “Oil and Water Shouldn’t Mix: Restoration of Steam Turbine Oil Demulsibility”
Click here for the paper.

2019
EPRI, Savanah, “What Routine EHC Fluid Analysis Fails to Detect: Improved Phosphate Ester Maintenance Through Non-Routine Testing”. Update presented 2019 OILDOC Rosenheim, Germany
Click here for the paper.

2018
STLE Minneapolis, ”Oil and Water Shouldn’t Mix: Restoration of Steam Turbine Oil Demulsibility”
Click here for the paper.

2018
British Fluid Power Association, University of Bath “A Paradigm Shift in the Application of Lubricant Maintenance”. Update presented 2019, OILDOC Germany
Click here for the paper.

2017
NEXTURBINE “漆膜的去除和预防”
Click here for the paper. Click here for the presentation.

2017
STLE Atlanta, “Mechanisms of Mineral oil-based Lubricant Degradation and Aggregation: Towards an Understanding of Varnish Formation”
Click here for the paper.

2017
STLE Atlanta, “What EHC Fluid Analysis Fails to Detect: Improved Phosphate Ester Maintenance Through Non-Routine Testing”, Update also presented 2019, EPRI, Savanah
Click here for the paper.

2017
OILDOC “EHC Issues, Implications and Opportunities for Improvement”
Click here for the paper. Click here for the presentation.

2017
OILDOC, “Why Varnish Removal Fails: The Soluble-Insoluble Varnish Equilibrium”
Click here for the paper.

September 2016
Straight Talk on Varnish Part 2, Update Your Maintenance Toolbox to Set Yourself Up For Success Next Year, Training Courses
Click here to read the newsletter.

May 2016
Straight Talk on Varnish, What to Consider When Purchasing Varnish Removal Systems, Training Courses
Click here to read the newsletter.

November 2015
Resistivity, Fact or Fiction?, Four Tips to Solving Phosphate Ester Testing and Maintenance Challenges in EHC Systems, Training Course
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June 2015
Taking the Routine out of Oil Analysis, Expect More from Your High Velocity Flushing Provider, Public Training Courses Now Available
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June 2016
Varnish Mitigation: Relative Effectiveness of Non-Deposit-Forming Next Generation Lubricants vs. the Use of Varnish-Removal Filters with their Conventional Counterparts, Hobbs and Dufresne, LUBMAT 2016, Bilbao, Spain.
Click here for the paper.

June 2015
Mechanisms of Varnish Formation and Implications for the Use of Varnish Removal Technologies, Hobbs, Dufresne and Evans, IBERTRIB 2015, Technical University of Cartagena, Spain.
Click here for the article abstract.

July 2014
Thirty-Seven Years of Fleet Operating and Maintenance Experience Using Phosphate Ester Fluids for Bearing Lubrication in Gas-Turbine/Turbo-Compressor Applications, Dufresne, ASTM STP1573.
Click here to access the ASTM website and download the paper.

July 2014
Phosphate Ester-based Fluid Specific Resistance: Effects of Outside Contamination and Improvement Using Novel Media, Dufresne and Hobbs, ASTM STP1573.
Click here to access the ASTM website and download the paper.

June 2014
Lubricant Varnishing and Varnish Mitigation, Hobbs and Dufresne, LUBMAT L141082, Manchester, UK.
Click here for the paper presented at the Conference.

May 2014
Lube-Oil Maintenance: Lubricant varnishing and mitigation strategies, Dufresne, Hobbs and MacInnis, Combined Cycle Journal.
Click here for the article.

July 2012
Turbine Lubricant Maintenance for Varnish Free Operation, Modern Power Systems.
Click here for the article.

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