Wheelabrator Technologies is owner and operator of the 2250 ton per day North Broward County, Florida, facility. The plant consists of three lines rated at 750 tons/day. Each line is equipped with a spray dryer absorber/fabric filter. The original fabric filter design was a shake-deflate baghouse with ten compartments of 180 bags each. The typical bag life was one year with the shake-deflate baghouse using standard woven fiberglass bags. Frequent bag failures led to high operating and maintenance cost for the system. The initial upgrade was a conversion from a shake-deflate baghouse to a reverse-air baghouse with sonic horns. The resultant bag life was improved to two years, which represented a significant reduction in maintenance cost. The latest upgrade for the baghouse system was the installation of PTFE membrane/fiberglass filter bags. The change in the filter media resulted in a dramatic improvement in performance. The baghouse cleaning frequency dropped from 360 cycles per day to approximately 50 cycles per day. The average differential pressure across the baghouse system also dropped by 6 in. w. g. The membrane filter bags have achieved over two years life to date and have significantly reduced operating and maintenance costs associated with the baghouse. This paper will detail the steps taken in the conversion from the original shake-deflate design using standard filter bags to the reverse-air with sonic horns using membrane bags. An analysis of the cost of the upgrades and subsequent savings for each step will be included.
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12th Annual North American Waste-to-Energy Conference
May 17–19, 2004
Savannah, Georgia, USA
Conference Sponsors:
- Solid Waste Processing Division
ISBN:
0-7918-3736-X
PROCEEDINGS PAPER
Improvement in Operating and Maintenance Cost With a Fabric Filter Conversion Using Polytetrafluoroethylene (PTFE) Membrane Filter Media
John Darrow
,
John Darrow
W. L. Gore & Associates, Inc., Elkton, MD
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Paul Grego
,
Paul Grego
Wheelabrator Technologies, Inc., Pompano Beach, FL
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Brenda Austin
Brenda Austin
Midwesco Filter Resources, Inc., Winchester, VA
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John Darrow
W. L. Gore & Associates, Inc., Elkton, MD
Paul Grego
Wheelabrator Technologies, Inc., Pompano Beach, FL
Brenda Austin
Midwesco Filter Resources, Inc., Winchester, VA
Paper No:
NAWTEC12-2224, pp. 199-204; 6 pages
Published Online:
December 17, 2008
Citation
Darrow, J, Grego, P, & Austin, B. "Improvement in Operating and Maintenance Cost With a Fabric Filter Conversion Using Polytetrafluoroethylene (PTFE) Membrane Filter Media." Proceedings of the 12th Annual North American Waste-to-Energy Conference. 12th Annual North American Waste-to-Energy Conference. Savannah, Georgia, USA. May 17–19, 2004. pp. 199-204. ASME. https://doi.org/10.1115/NAWTEC12-2224
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