Use wood fire to generate electricity，Wood gas generators have a number of advantages over use of petroleum fuels
A wood gas generator is a gasification unit which converts timber or charcoal into wood gas, a syngas consisting of atmospheric nitrogen, carbon monoxide, hydrogen, traces of methane, and other gases, which - after cooling and filtering - can then be used to power an internal combustion engine or for other purposes. Historically wood gas generators were often mounted on vehicles, but present studies and developments concentrate mostly on stationary plants.
Wood gas generators have a number of advantages over use of petroleum fuels:
They can be used to run internal combustion engines (or gas turbines, for maximal efficiency) using wood, a renewable resource, and in the absence of petroleum or natural gas, for example, during a fuel shortage.
They have a closed carbon cycle, contribute less to global warming, and are sustainable in nature.
They can be relatively easily fabricated in a crisis using materials on hand.
They are far cleaner burning than a wood fire or a gasoline-powered engine (without emissions controls), producing little, if any soot.
When used in a stationary design, they reach their true potential, as they are feasible to use in small combined heat and power scenarios (with heat recovery from the wood gas producer, and possibly the engine/generator, for example, to heat water for hydronic heating), even in industrialized countries, even during good economic times, provided that a sufficient supply of wood is attainable. Larger-scale installations can reap even better efficiencies, and are useful for district heating as well.
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