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題 名 | 臺灣地區合板製程中二氧化碳排放量與成品碳素貯存量評估=Evaluation on Carbon Dioxide Emission and Carbon Storage of Plywood Manufacturing Process in Taiwan |
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作 者 | 林姿伶; 王松永; 林法勤; | 書刊名 | 國立臺灣大學農學院實驗林研究報告 |
卷 期 | 15:1=231 2001.03[民90.03] |
頁 次 | 頁9-13 |
分類號 | 474.5 |
關鍵詞 | 溫室氣體; 合板工業; 能源消耗; 碳素釋出量; 碳素貯存量; Greenhouse gases; GHG; Plywood industries; Energy consumption; Carbon emission; Carbon storage; |
語 文 | 中文(Chinese) |
中文摘要 | 能源一直是人類生活中所不可或缺的資源,自工業革命以來,因人類大量的耗用能源與地球資源,造成溫室效應,導致各種環境問題,嚴重破壞地球環境。1997年全球為因應能源危機及環境問題,在日本京都召開會議,決議將來的溫室氣體排放量之限量,以減緩對地球的破壞。 森林是地球上最大的碳素貯存庫,若透過永續的木材利用,保留或儘可能創造大面積的森林,將可以大量的貯存大氣中的二氧化碳(CO2)以維持生態上碳循環的平衡,並藉由生命週期評估(LCA),了解木製產品的固碳功能及永續利用的環保效用,來凸顯森林及木材利用的生態優勢。 本研究分析國內合板工業製程中所需消耗能源、排放碳素量及貯藏碳素量。依據IPCC基準換算而得的結果各為627.3MJ/kg、13.6kg/m3與235.5kg/m3。而依臺電基準換算而得的結果者則為174.3kw-h/m3、25.6kg/m3與222.4kg/m3。若使用木廢料作為水蒸汽鍋爐燃料時,則所貯藏的碳素量會降低,依IPCC基準換算結果降為158.7kg/m3,臺電的基準則降為145.6 kg/m3。由以上調查可瞭解,合板產品不但製造過程中所耗能源低,排放碳素量少,且為含碳量極高之一種生物、生態環保材料。 |
英文摘要 | Since the industrial revolution, the atmospheric concentration of carbon dioxide (CO2) and other greenhouse gases have bean increasing strongly. The emission of greenhouse gases, especially CO2, and the associated risk that led to major changes in the globe climate could cause severe consequences for mankind and nature. With the adoption of the Framework Convention on Climate Change (FCCC) in 1997 at Kyoto, Japan, which called for industrialized countries to reduce and limit the quantity of greenhouse gas (GHG) emissions. Forests are the greatest terrestrial carbon sinks on this planet. Through sustainable wood utilization to reserve large forest vesources can then absorb more amount of atmospheric CO2. Life Cycle Assessment are important (or effective) tools that can help to high light the ecological advantage of forestry and wood utilization. We found the energy consumption, carbon emission, and carbon storage of domestic plywood industries were 627.3 MJ/kg, 12.6 kg/ m3, and 235.5 Kg/ m3, respectively, by IPCC's criteria. These results were changed to 174.3 kw-h/ m3, 25.6 kg/ m3, and 222.4 kg/ m3 while calculated by Taiwan Power company's criteria. However, the carbon storage was reduced when wood waste of plywood industries was used as fuel. It would be reduced to 158.7 kg/ m3 and 145.6 kg/ m3 by IPCC"s and Taiwan Power Company's criteria, respectively. We concluded that plywood products were biological, ecological, and environmental sound with low energy consumption, low carbon emissions, and high carbon storage. |
本系統中英文摘要資訊取自各篇刊載內容。