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摘要


近年來因天然資源有限,因此再生能源成為各國研究發展重點。新興水熱液化技術可以克服傳統生質能技術必須乾燥之缺點,不須經由乾燥可直接將生質物轉化成燃料。本研究採用次臨界水熱液化法,加速藻渣水解液化,產生液體燃料,並加入鹼催化劑,減少焦炭化及汽化的副反應問題。本研究結果在廢藻渣進料固液比40%、溫度在320℃、催化劑10%、壓力100bar、反應時間60分鐘反應條件下,廢藻渣生質油轉化率可達45%以上,進一步分析油品熱質,可達8531kcal/kg。未來此技術可發展運用於濕式廢棄物處理業者及再生能源產業,以提升我國生質能源產率。

關鍵字

生質物 水熱液化 生質油

並列摘要


Biomass is the alternative energy, which can apply enery transfer technology to replace fossil fuel. Biofuel can improve compatibility for combustions and strorge. Hydrothermal liquefaction (HTL) is the best technology of treating wet wastes for fuels production. Around 10-20% soild content can be apply in the tranditional Hydrothermal liquefaction technology, and the bio-oil conversion efficiency was below 40%. In this study, we try to develop novel technology for "Hydrothermal liquefaction of wet wastes from waste alga". The results show that around 40% soild content was applied into this novel HTL technology, and the bio-oil conversion efficiency was reached at 45%, at the conditions of 270-320 ℃,5-15 MPa reaction pressure, and 60 min reaction time, whie the heating value of produced bio-oil was 35 MJ/kg. In the furture, the HTL technology can be upscale to commercial in Taiwan and provide new and clean energy sources via waste energy recovery and utilization technologies.

並列關鍵字

Biomass Hydrothermal liquefaction Bio-oil

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