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Survey of Biomass Resource Assessments and Assessment ... - NREL

Survey of Biomass Resource Assessments and Assessment ... - NREL

133

Viet Nam Economy-Wide Biofuels Resource Assessments First-Generation Biofuels Potential Ethanol: The existing ethyl alcohol industry in Viet Nam is already using starches (predominately rice) and sugar cane molasses as feedstock. Rice is the economy’s main crop with production of more than 35 Mt annually. Sugar cane production has been consistent during the past six years, about 15 Mt annually. Another feedstock considered by the industry is cassava. The production has grown rapidly from 2 Mt in 2000 to about 8 million in 2006. If 20% of Viet Nam’s current starch and sugar crops production could be used for biofuels, it would yield about 4.57 hm 3 of ethanol or 2.2 Mt gasoline equivalent. This volume could replace 86% of Viet Nam’s current gasoline consumption. Biodiesel: Catfish oil and used cooking oil are the primary biodiesel feedstocks in Viet Nam. The Vietnamese Academy of Science and Technology (VAST) estimates that there were 60,000 tonnes of catfish oil produced in 2005, primarily for exports to the United States and Europe, and about 73,800 tonnes of used cooking oil. The economy produces oil crops such as coconut, peanuts, and soybeans mainly for domestic use by the food industry. If 20% of Viet Nam’s current coconut oil production, as well as all waste oils and fats, could be used for biofuels, it would yield about 164,000 tonnes of biodiesel. This volume would replace 4.6% of the economy’s current diesel consumption. Second-Generation Biofuels Potential Ethanol: Viet Nam is very rich in lignocellulosic biomass. As illustrated in Table 31, the economy produced about 93 Mt of crop and wood residues in 2002, which translates to about 28 hm 3 of ethanol or 13.4 Mt of gasoline equivalent. This volume is more than enough in displacing the economy’s current gasoline consumption. 134

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