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The first gasifier/roaster in Laos
This is a 2-kg coffee roaster powered by a 150 gasifier. This unit paid for itself in less than one hour of operation. It uses less than one-watt hour of electricity per kg of coffee beans. The gasifier uses waste biomass such as rice hulls and coffee husks as fuel.
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The power of small-scale gasifiers
In the highland areas of Vietnam where a lot of coffee is grown, gasifier heat can be used to dry coffee cherries and parchment beans. In the lowland areas where rice is grown, it can be used to dry paddy rice. Many Vietnamese exporters of rice use coal at a cost of $200 US per […]
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