Producing biomethanol and reducing CO2 emissions from straw and husk by-products of rice
2003
Nakagawa, H.
With a wide array of potentially renewable energy resources, the concept and proposed benefits evolving from the use of biofuels are inspiring. Recently, a new method of gasification of biomass for biomethanol production has been developed and will soon be tested at the Norin Green No.1 test plant in Nagasaki, Japan. To determine a useful protocol for producing biomethanol, bran, straw, and husks of rice were evaluated for their potential biofuel-use characteristics. From the analysis, rice bran is estimated to produce high methanol yield (55% by weight), whereas rice straw and husks returned 36% and 39%, respectively. Each of these products is a clean material, easily obtained and highly useful for biomethanol production. The potentially positive economic impact of biomethanol production on the farming system and social system is immense. Developing nations that are interested in constructing a national energy policy should pursue a strategy of establishing a biofuel-based economy. The development of a sustainable, agriculture-based biofuel program would reduce the demand for fossil fuels and provide for a more ecologically friendly energy resource. Our research suggests that one possibility for biomethanol production can be found by using rice by-products as raw materials.
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