Biomass Filter (BMF)
®
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®
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®
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Burning of Biomass creates high levels of submicron particulate, which are not visible to the
naked eye. Emissions depend on boiler type, mode of operation, wood fuel quality, size and
moisture levels.
SEPA identified the concerns of PM and PM particulate emissions from Biomass boilers and
10
2.5
restrictions have been imposed on the use of Biomass boilers in Scotland.
During 2006/7 we began to design filtration media to resolve the problem, resulting in
ceramic elements coated in a microporous surface, capable of withstanding moisture and
submicron particulate.
The
BMF system was installed at a Scottish school which operates a 300kW boiler to
provide hot water and heating. The filtration plant was hugely successful in reduction of PM , PM
10
2.5
and total particulate matter (TPM).
In 2008 we installed a filter to abate Johnson & Johnson's new Biomass steam boiler rated at
2.1
MW . The boiler operates 24/7 using up to 50% moisture content woodchip fuel. Biomass
Th
woodchip can contain up to 55% moisture; with correct combustion this presents no problem to
the
G3M filter element.
has addressed the filtration needs of the Biomass boiler industry with a filter system
based on our microporous G3Mmedia and a unique plc control system.
Typical emissions from the filter are as follows:
High Temperature Air Filtration
2.1
MW Biomass filter
300
kW Biomass filter
10
Determinand
Pre Filter
Post Filter
TPM
60
1
PM
38
1
10
PM
33
1
2.5
3
Note:
All emissions are mg/m (11% O , STP)
2
Biomass Woodchip Fired Boilers
