New Corrosion Achievements and Challenges Uncovered in “Hot Topic Hour” on August 6
Over the last few years product developments have proved their commercial superiority to meet the demanding FGD environment. At the same time the game keeps changing. Now utilities are adding bromine at up to 10,000 ppm in the scrubbing liquor, so one of the subjects addressed was the capability of various materials to withstand this corrosive chemical.
Douglas Reinke, Vice President, Sales & Marketing for Augusta Fiberglass, .explained that they are able to construct FRP scrubber shells in excess of 100 ft in diameter in the field. The company also has supplied a number of stack liners and other components of FGD systems.
Devin Wachowiak, Applications Engineer at Rolled Alloys, charted the history of Zeron 100. This material has higher strength than nickel alloys and is a lower cost alternative for chloride levels as high as 40,000 ppm.
Ben Beck, Hadek, provided and extensive list of facilities which are incorporating Penngard linings in their stacks and ducts. The corrosion and abrasion resistance is being proven in many countries and many FGD systems.
Tom Priest, KCC Corrosion Control, cited the avantages of the spray on coatings which provide better coverage and therefore better protection. They also are more quickly applied to tanks and ducts and other components.
David E. Snider, Western Regional Manager, Sauereisen, Inc., described the extensive experience with fiber reinforced polymer linings for FGD.
Danny Vickers, ITW Futura Coatings/Devcon, explained the advantages of using a number of different coatings in an FGD system. Each area has its own abrasion, corrosion and temperature requirements and therefore is best served with a special solution.
Mike Stevens, Ashland Chemical, compared FRP to stainless alloys and showed that FRP has both cost and corrosion advantages but does have a temperature limitation.
Nate Burnes, Hollingsworth & Vose. explained that the carbon veil is more costly, but has the static dissipation and other advantages that warrant its use in the internal surface of FGD stacks and also in certain other applications.
The bios, abstracts and photos can be viewed as follows: August 6, 2009 Bios, Photos and Abstracts - Hot Topic Hour.htm
The individual slides are in the FGD Decision Tree and can be viewed as follows:
Tom Priest – KCC Corrosion Control
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FGD Continuing Decision Process For: Products
Performance Update on New FGD Lining Systems, presented by Tom Priest. Hot Topic Hour August 6, 2009.
David Snider - Sauereisen
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FGD Continuing Decision Process For: Products
Fiber Reinforced Polymer Linings for FGD Infrastructure, presented by David Snider, Sauereisen. Hot Topic Hour August 6, 2009.
Doug Reinke – Augusta Fiberglass
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FGD Continuing Decision Process For: Products
Corrosion Materials for Scrubbers, presented by Doug Reinke, Augusta Fiberglass. Hot Topic Hour August 6, 2009.
Ben Beck - Hadek
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FGD Continuing Decision Process For: Products
Corrosion Materials for Scrubbers - Linings, presented by Ben Beck, Hadek. Hot Topic Hour August 6, 2009.
Mike Stevens - Ashland
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FGD Continuing Decision Process For: Products
Performance of FRP Materials in FGD Applications, presented by Mike Stevens, Ashland. Hot Topic Hour August 6, 2009.
Devin Wachowiak – Rolled Alloys
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FGD Continuing Decision Process For: Products
Zeron 100 Super Duplex Stainless Steel for Wet FGD Air Pollution Control Systems, presented by Devin Wachowiak, Rolled Alloys. Hot Topic Hour August 6, 2009.
Dannie Vickers – ITW Futura Coatings
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FGD Continuing Decision Process For: Products
Corrosion Protection for Power Plants Around the World, presented by Dannie Vickers, ITW Futura Coatings. Hot Topic Hour August 6, 2009.
Nate Burnes – Hollingsworth & Vose
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FGD Continuing Decision Process For: Products
Advanced Fiber Nonwovens, presented by Nate Burnes, Hollingsworth & Vose. Hot Topic Hour August 6, 2009.