The semiautomatic-fed downdraft rice hull furnace (dRHF) was developed to cope with the high cost of fossil fuels that are used in most flatbed dryer furnaces.
This video shows the features and benefits of using a dRHF, which is a cheaper alternative to the costly indirect-fired rice hull furnaces. It is a carbon-neutral energy source for drying the grain.
Pilot units have been established in a few sites, but research for further improvement is still ongoing.
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