Dear James and stovers,
I have placed biomass samples in a plastic bag with varying amounts of
water and incubated at 25 deg. for a week plus. Then determined the
moisture content by calculating. Not sure if an exact moisture content
can be made to happen with this method. I just plot results vs percent
moisture and calculate what it would be at the percent moisture I want.
I would make the bags of biomass of the same size sample I want to use
because I'm not convinced the moisture gets evenly distributed in the
sample. So separately I determine a moisture of the lot. Then take a
known weigh of as-received sample and add the water. Then after a time
remove the biomass and weigh and calculate the moisture in the biomass.
Some water stays in the bag. And use the entire sample for the test.
Regards
Frank
James Robinson wrote:
Dear all,
Is anyone using a system to control the moisture content of wood (or
other fuels) for stove testing in a laboratory?
I was thinking along the lines of a
humidity/temperature controlled cabinet with multiple sections to
allow for the grading of MC in a variety of samples.
A quick web search turned up a number of systems but none that
obviously fit the requirement. A home made system is also a possibility.
Cheers,
James Robinson
SeTAR Centre
University of Johannesburg
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