| Summary: | 碩士 === 大同大學 === 工程管理碩士在職專班 === 102 === Coal is the primary fuel in the global power generation industry. It accounts for 40 percent of power generation in Taiwan. As the economic progress, the increase of coal demand will accelerate the consumption of coal reserve. Besides carbon dioxide emissions from coal impact the environment seriously. After the Kyoto Protocol taken effect, every country of the world searches renewable energy actively. Currently there are many studies and commercial operation of biomass energy, but few studies and economic evaluations were conducted of Bio-coal in Taiwan.
This study is to evaluate an establishment of Bio-coal plant in Penghu County. Penghu County is plagued by an alien plant species, Leucaena. Leucaena spreads and affects the local ecological balance seriously. If the Leucaena can be used as the material source of the Bio-coal plant, we can not only supply the renewable energy, but also maintain the local ecological balance. This study applied the Benefit-Cost-Rate method of the Engineering Economics to assess economic benefit of investment for a Bio-coal plant. Sensitivity analyses were also conducted to determine risks of the Bio-coal plant.
The result showed: (1).Without the cost of land and technology procurement, a Bio-coal plant using Leucaena as a starting material and with 96 tonnes of daily production, the Benefit-Cost-Rate is greater than 1, indicating a return on investment. (2). The Bio-coal plant can withstand up to 1.8% of average salary increased each year. (3). The Bio-coal plant can withstand 10 % of average price decrease for its major product (coal) and by-products during 20 years. (4). The Bio-coal plant can withstand 1.4% of average salary increased each year and 2.5 % of average price decrease for its major product (coal) and by-products during 20 years.
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