將農業廢棄物資源化成復育油品污染土壤之活性碳觸媒

Chia Nan University of Pharmacy & Science Institutional Repository > 環境永續暨休閒學院 > 環境工程與科學系(所) > 其他研究計畫 > Item 310902800/8992

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標題:	將農業廢棄物資源化成復育油品污染土壤之活性碳觸媒 Preparation of Catalytic Activated Carbons from Agricultural Wastes and Applications of Btex-Contaminated Soils
作者:	劉瑞美陳世雄洪睦雅
貢獻者:	環境工程與科學系
日期:	2008
上傳時間:	2008-11-21 10:35:05 (UTC+8)
出版者:	行政院農業委員會
摘要:	選用本省主要農業廢棄物--椰殼製成觸媒活性碳，可解決本省主要農業廢棄物之棄置問題，並可提供其他農業廢棄物製做觸媒活性碳之參考。本研究擬將鐵型活性碳觸媒應用於處理含油品污染之土壤，並探討活性碳觸媒製備條件、土壤萃取方法及氧化處理單元中操作因子對於污染油品降解效率之影響。本研究油品污染之土壤以BTEX為污染指標，以不同條件鐵鹽燒結於椰殼結構中，製備成活性碳觸媒，進行活性碳觸媒表面物化特性分析，及深入探討不同種類鐵鹽所製備活性碳氧化觸媒之氧化活性差異，此外，亦探討土壤之萃取方法及其萃取液在觸媒反應中之氧化活性與反應之影響因子，以進一步應用批次試驗進行石油碳氫化物的氧化降解活性實驗。將以觸媒活性碳做為高級氧化程序之氧化觸媒，應用於實驗室規模之模擬石油污染土壤之高級氧化單元，探討各操作因子下之BTEX移除效率，藉以擇取技術較可行之操作參數。希望藉由本計畫之執行，提供日後實場應用上之現場設計與操作成本之評估。 The study will investigate the feasibility of manufacturing the catalytic activated carbons from agricultural wastes. The use of carbon will be economical, since coconut shell is a waste product in large quantities in Taiwan. The objective of this study was to develop iron-based activated carbon with high oxidation activity and applies to remediate BTEX-contaminated soils. The agricultural wastes will be high microporous structure, high surface area, and high oxidative efficiency for organic pollutants by pyrolysis. Catalytic activated carbons, which own high oxidation activity, were applied to deal with the BTEX-contaminated soils by the adsorption and oxidation processes. Physical and chemical characteristics of activated carbon catalysts will be discussed. The effects of extraction methods and oxidation treatments of BTEX in soils on the removal efficiency will be also investigated. The operating parameters of oxidation system will be considered to achieve a highly efficient operation with various operation conditions. Effects of iron oxides on carbon surface will be studied and the coconut shell will be also considered as the support matrix of iron-based activated carbon. The optimum condition will be applied to oxidize BTEX in soils, the parameters of catalytic oxidation will be well investigated by considering the influent condition in slurry reactor. The obtained optimum conditions were applied to the process design of in situ remediation process of BTEX-contaminated soils. The results will provide another treatment of large supply of agricultural waste.
關聯:	計畫編號：97農科-10.1.1-糧-Z1(2)
显示于类别:	[環境工程與科學系(所)] 其他研究計畫

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