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題 名 | 氧化亞銅/沸石混成觸媒處理生物氣膠之效能研究=Effect of Cuprous Oxide/zeolite Hybrid Catalysts Treating Indoor Bioaerosols |
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作 者 | 郭昭吟; 伍紹文; 張祐滋; 吳忠信; | 書刊名 | 科技學刊. 科技類 |
卷 期 | 20:1 2011.10[民100.10] |
頁 次 | 頁21-27 |
分類號 | 445.63 |
關鍵詞 | 氧化亞銅; 沸石; 混成觸媒; 降解; 生物氣膠; Cuprous oxide; Zeolite; Hybrid catalyst; Degradation; Bioaerosols; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究製備 1、3、5 wt%的氧化亞銅 (Cu2O) 與沸石 (zeolite) 混合之 Cu2O/zeolite混成觸媒,利用直型管柱系統於流量 40、50及 60 lpm下,對生物氣膠 (細菌、真菌) 進行實驗,並探討其除菌效率。實驗結果顯示,生物氣膠中可呼吸性氣膠 (粒徑小於 5μm) 比例相當高,細菌及真菌分別為 83-100%及 90-100%。經混成觸媒處理後之生物氣膠濃度均低於國內室內空氣品質之建議值,其中 1 wt% Cu2O/zeolite之混成觸媒於 40 lpm之處理流量下,細菌、真菌除菌率分別為 84%、74%;60 lpm之處理流量下,細菌、真菌除菌率分別為 81%、72%,因處理流量較高時,停留時間短,生物氣膠之去除率較差。另外,經 12小時之耐久性實驗得知細菌、真菌除菌率為 82%、85%,而 5天之耐久性實驗後,細菌及真菌之除菌率仍可維持 69%、72%,尚未達需再生處理之狀態,顯示本研究製備之混成觸媒除有過濾功能外更有持續之良好除菌效能。 |
英文摘要 | Hybrid catalysts with cuprous oxide (1, 3, 5 wt %) and zeolite were made and the degradation effect of indoor bioaerosols was studied by a column with these hybrid catalysts at 40, 50, and 60 lpm. As a result, the proportion of bacteria and fungi aerosols was 83-100% and 90-100%, respectively at background but the indoor environmental quality was batter than the suggestion value of EPA-Taiwan after treating. The degradation of bacteria and fungi aerosols was 84% and 74% using 1 wt% of Cu2O/zeolite at 40 lpm and it was 81% and 72% at 60 lpm. As stated above, tthe treating flowrate increased to cause residence time reduced, and then the result of effect of degradation decreased. In addition, the effect of degradation at bacteria and fungi aerosols showed 82% and 85% after twelve hours treating; and still maintained 69% and 72% after five days treating. To sum up, these hybrid catalysts treating indoor bioaerosols were not only filtration but degradation. |
本系統中英文摘要資訊取自各篇刊載內容。