臺灣博碩士論文加值系統

甲醛及二氧化碳為兩大室內空氣污染物，此研究目的在於篩選出吸收甲醛及二氧化碳能力較佳的植物，並且建立出一套利用室內植物淨化污染之最佳策略。
本研究乃利用一小型密閉式熏氣系統，針對不同室內植物盆栽，測試個別植物種類間對1 ppm甲醛及1000 ppm二氧化碳之吸收能力強弱之差異。研究結果顯示，黃邊短葉虎尾蘭及美鐵芋吸收甲醛之效率最高，沈降速度最高分別可達0.77、0.73mm/s；鐵線蕨、黛粉葉、馬拉巴栗對二氧化碳之吸收率較佳，沈降速度最高約在0.15∼0.17mm/s間。而植物對二氧化碳沈降速度低於對甲醛之沈降速度，其原因推測可能為所使用之二氧化碳濃度過高導致氣孔關閉，使二氧化碳無法繼續經氣孔擴散進入植物體所致。
進一步利用此一熏氣系統，比較各種植物於500、5000 Lux兩種光強度下對甲醛及二氧化碳吸附能力之之差異，於上午、下午及晚間之試驗顯示，強光分別可提升沈降速度42％∼148％、4％~122％、7％∼1098％。植物對二氧化碳之吸收也呈現相同趨勢，於上午、下午及晚間之實驗顯示，強光分別可提升沈降速度至13％∼367％、22％∼686％、20％∼2543％。表示光度越強，植物對甲醛及二氧化碳之吸收越高，且其提升程度依植物種類不同而有不同。
比較植物於上午、下午及晚間對甲醛及二氧化碳吸收之差異顯示，大部分植物對甲醛及二氧化碳之沈降速度由早至晚持續下降，其原因可能由於生物時鐘調控氣孔開關所致。而給予夜間額外光照，似乎可調整部分植物此一生物時鐘調控，提升其吸收力。
綜合本實驗各項結果，證實綠色植物對甲醛及二氧化碳具有吸收能力，其吸收力依植物種類而有差異，且與光照強度呈正相關。因此實際應用植物淨化室內甲醛及二氧化碳時，除需提供額外之光照，並且應留意環境中二氧化碳濃度，以達植物淨污之最高效能。

口試委員會審定書………………………………………………………………...… i
誌謝…………………………………………………………………………..……… ii
中文摘要………………………………………………………………….………… iii
英文摘要………………………………………………………………….…………... iv
第一章 緒論（Introduction）…………………………………………………………………………1
第二章 前人研究（Literature Review）………………………………………………3
一、甲醛之特性與來源……………………………………………………………3
二、甲醛對人體之影響……………………………………………………………4
三、二氧化碳之特性與影響…………………………………………………… 5
四、利用植物淨化空氣污染……………………………………………………… 5
第三章 材料與方法（Materials and Methods）………………………………………9
一、供試植物………………………………………………………………………9
（一）供試植物之介紹……………………………………………………………9
　 （二）供試植物之栽培與管理……………………………………………………13
二、十四種植物吸收甲醛之測試……………………………………………… 14
（一）熏氣系統之設計………………………………………………………… 14
1.熏氣箱設備設計………………………………………………………… 14
2.產氣設備設計…………………………………………………………… 14
3.監測設備………………………………………………………………… 15
　 （二）量測方法與測試理論…………………………………………………… 15
1.量測方法及流程……………………………………………………… 15
2.測試理論……………………………………………………………… 15
三、十四種植物吸二氧化碳之測試………………………………………… 16
（一）熏氣系統之設計………………………………………………………… 17
1.熏氣箱設備設計………………………………………………………… 17
2.產氣設備設計…………………………………………………………… 17
3.監測設備………………………………………………………………… 17
（二）量測方法與測試理論…………………………………………………… 17
四、不同光度對植物吸收甲醛效率之影響…………………………………… 18
五、不同光度對植物吸收二氧化碳效率之影響……………………………… 18
六、植物吸收甲醛之晝夜變化………………………………………………… 18
七、植物吸收二氧化碳之晝夜變化…………………………………………… 19
第四章 結果（Results）………………………………………………………………23
一、十四種植物吸收甲醛之效率……………………………………………… 23
二、十四種植物吸收二氧化碳之效率………………………………………… 27
三、不同光度對植物吸收甲醛效率之影響…………………………………… 31
四、不同光度對植物吸收二氧化碳效率之影響……………………………… 35
五、植物吸收甲醛之晝夜變化………………………………………………… 39
六、植物吸收二氧化碳之晝夜變化…………………………………………… 47
第五章 討論（Discussion）……………………………………………………… 55
一、十四種植物吸收甲醛之效率……………………………………………… 55
二、十四種植物吸收二氧化碳之效率………………………………………… 56
三、不同光度對植物吸收甲醛效率之影響…………………………………… 57
四、不同光度對植物吸收二氧化碳效率之影響……………………………… 57
五、植物吸收甲醛之晝夜變化………………………………………………… 58
六、植物吸收二氧化碳之晝夜變化…………………………………………… 58
七、利用植物淨化室內甲醛及二氧化碳之策略探討………………………… 59
參考文獻(References)……………………………………………………………… 60
附錄…………………………………………………………………………………… 69

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