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研究生:李昌鴻
研究生(外文):Chang-Hung Lee
論文名稱:使用淨油機捕集微藻之效率評估
論文名稱(外文):Evaluation on harvesting efficiency for microalgae using a marine purifier
指導教授:林成原林成原引用關係
指導教授(外文):Cherng-Yuan Lin
學位類別:碩士
校院名稱:國立臺灣海洋大學
系所名稱:輪機工程系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:75
中文關鍵詞:淨油機藻水濃度捕集效率
外文關鍵詞:Purifierconcentration of microalgae waterharvesting efficiency
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本研究利用淨油機分離海水與微藻以提昇捕集效率,並與離心機的捕集效率比較,作為改善微藻捕集效率的依據。淨油機內部具多層次分離片,藉著分離片間微小的間距可產生良好的分離效果。實驗結果顯示淨油機與離心機捕集效率都是在藻水濃度趨近1kg/m3時最高,但淨油機捕集微藻效率明顯高於離心機。另外捕集速率及微藻聚集密度隨藻水濃度的增加而增加,在能源消耗方面,使用離心機捕集同樣濃度與體積的藻水,都比使用淨油機耗能。

A marine purifier was used to separate microalgae from water in order to improve harvesting efficiency of microalgae in this study. There are many separating layers with small distances to provide excellent separating function of solid particles inside the purifier. The experimental results show that the highest harvesting efficiency appeared at 1 kg/m3 of microalgae water concentration for both the purifier and centrifuge. However, the purifier was found to have significantly higher harvesting efficiency for microalgae water than the centrifuge. In addition, the harvesting rate and accumulated density of microalgae were increased with the increase of concentration of microalgae water. The purifier consumed much less energy than the centrifuge for harvesting microalgae of the same concentration and volume of the microalgae water.

Keywords: Purifier, concentration of microalgae water, harvesting efficiency.


摘要..........................................................................................................Ⅰ
Abstract.....................................................................................................Ⅱ
目錄.....................................................................................................Ⅲ
表目錄.....................................................................................................Ⅵ
圖目錄...................................................................................................Ⅶ
第一章 前言..............................................................................................1
    1.1 研究背景.............................................................................1
    1.2 研究動機.............................................................................2
    1.3 研究目的.............................................................................3
第二章 文獻回顧......................................................................................4
    2.1 微藻種類.............................................................................4
    2.2 微藻培養方式.....................................................................5
    2.3影響藻類生長之環境因素.................................................6
    2.4萃取微藻油脂的方法.........................................................8
    2.5微藻的捕集方法...............................................................10
      2.5.1 離心技術................................................................11
      2.5.2 絮凝劑法................................................................11
2.5.3 重力沉澱法............................................................14
      2.5.4 過濾和篩選技術....................................................15
      2.5.5 浮選技術................................................................15
      2.5.6 電泳技術................................................................16
2.6淨油機...............................................................................17
2.6.1燃油淨化的方式.....................................................17
2.6.2船舶之淨油機的種類.............................................18
2.6.3 碟式淨油機原理...................................19
第三章 實驗材料設備與方法................................................................22
    3.1 實驗藥品溶劑...................................................................22
    3.2 實驗耗材...........................................................................23
3.3 藻體性質分析設備...........................................................23
3.4 藻體捕集設備...................................................................24
    3.5 淨油機主要零組件..........................................................25
    3.6 淨油機組裝步驟...............................................................26
3.7 藻體捕集方法...................................................................28
    3.8 藻體性質分析方法...........................................................29
第四章 結果與討論................................................................................36
    4.1 比較淨油機與離心機的微藻捕集特性..........................36
4.1.1 建立藻水濃度檢量線............................................36
      4.1.2 建立微藻的生物量檢量線....................................36
      4.1.3 捕集效率與捕集速率............................................36
      4.1.4 藻體密度................................................................38
      4.1.5濁度........................................................................39
      4.1.6輸入功.....................................................................40
      4.1.7 藻體熱值................................................................40
      4.1.8 藻體殘碳量............................................................42
第五章 結論與建議....................................................................43
    5.1 結論...................................................................................43
5.2 未來研究建議….......................................................44
參考文獻..................................................................................................45
附表..........................................................................................................49
附圖..........................................................................................................51
附錄..........................................................................................................63
附錄一、淨油機與離心機捕集特性之實驗數據....................63








表目錄
表2.1比較在不同培養條件下的微藻特性............................................49
表3.1 Walne’s medium- nutrient solution................................................49
表3.2 Walne’s medium- trace metal solution ..........................................50
表3.3 Walne’s medium- vitamin solution................................................50




























圖目錄
圖2.1藻體在分離片間的作用圖............................................................51
圖3.1 淨油機內部零件圖.......................................................................52
圖3.2 淨油機固液液三相組裝圖...........................................................53
圖3.3 淨油機固液二相組裝圖...............................................................54
圖3.4 經淨油機所捕集微藻的性質測試流程圖...................................55
圖3.5經離心機所捕集微藻的性質測試流程圖....................................56
圖3.6微藻之生物量檢量線製作流程圖................................................57
圖4.1藻水濃度對應吸光值之檢量線....................................................58
圖4.2 Nannochloropsis oculata (海洋擬球藻)之檢量線........................58
圖4.3利用淨油機與離心機在不同藻水濃度下的捕集效率................59
圖4.4利用淨油機與離心機在不同藻水濃度下的捕集速率...............59
圖4.5利用淨油機與離心機在不同藻水濃度下所捕集藻體的密度...60
圖4.6利用淨油機與離心機在不同藻水濃度下所捕集藻體的濁度...
..................................................................................................................60
圖4.7利用淨油機與離心機在不同藻水濃度下所捕集藻體的能量消耗率..............................................................................................................61
圖4.8利用淨油機與離心機在不同藻水濃度下所捕集藻體的熱值...61
圖4.9利用淨油機與離心機在不同藻水濃度下所捕集藻體的殘碳量..............................................................................................................62

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