Barrier Filtration Studies

• Client: Npower
• Financing agency: Npower

EDT undertook a major review of the state of the art relating to fabric filtration of coal derived flue gases for application to large boiler plant.

The review included:

• fabric filter types
• outside/in filters
• pulse-jet
• inside/out filters
• shake/deflate
• reverse air including issues relating to
• design
• fundamentals
• applications
• filter media
• operation and maintenance requirements
• filter medium support
• filter pressure drop
• filter cleaning
• ash handling
• current status of technologies
• recent developments in
• fabric
• surface coatings
• pleated/cageless bags
• cartridges
• ceramics
• COHPAC
• an economic evaluation, including
• capital costs of filter type
• filter cleaning selection
• filtration medium selection
• operating costs.