L2. Materials and method
Wood gasification is the process of converting fuel wood into combustible carbon monoxide by thermo-chemical reaction of the oxygen in the air and the carbon available in biomass. In complete combustion of fuel, the process takes place with excess air. The gasification process, on the other hand, is accomplished with excess carbon as partial combustion. In order to gasify woods, about 30–40% of the stoichiometric air (6.0 kg of air per kg of wood) is needed [16]. Commercially viable gasification has long been understood and used in the industry and even in transportation, but not for small applications such as a household stove. Gasification of wood (or other biomass) offers the possibility of cleaner, better controlled cooking gas for the developing countries. Wood gas stoves offer the advantages of “cooking with gas” while using a wide variety of biomass fuels. The emissions from the close-coupled gasifier–burner are quite low and the stove can be operated indoors [17]. The system has been developed keeping in view its suitability for Indian conditions. The inexpensive wood gas stoves can bring the “joy of cooking with gas” to everyone while using a wide variety of renewable biomass fuels or coal [18], [19] and [20].
L2. Materials and methodWood gasification is the process of converting fuel wood into combustible carbon monoxide by thermo-chemical reaction of the oxygen in the air and the carbon available in biomass. In complete combustion of fuel, the process takes place with excess air. The gasification process, on the other hand, is accomplished with excess carbon as partial combustion. In order to gasify woods, about 30–40% of the stoichiometric air (6.0 kg of air per kg of wood) is needed [16]. Commercially viable gasification has long been understood and used in the industry and even in transportation, but not for small applications such as a household stove. Gasification of wood (or other biomass) offers the possibility of cleaner, better controlled cooking gas for the developing countries. Wood gas stoves offer the advantages of “cooking with gas” while using a wide variety of biomass fuels. The emissions from the close-coupled gasifier–burner are quite low and the stove can be operated indoors [17]. The system has been developed keeping in view its suitability for Indian conditions. The inexpensive wood gas stoves can bring the “joy of cooking with gas” to everyone while using a wide variety of renewable biomass fuels or coal [18], [19] and [20].
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