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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 謝志誠 | |
| dc.contributor.author | Yu-Chih Chen | en |
| dc.contributor.author | 陳育智 | zh_TW |
| dc.date.accessioned | 2021-06-14T16:46:33Z | - |
| dc.date.available | 2008-08-04 | |
| dc.date.copyright | 2008-08-04 | |
| dc.date.issued | 2008 | |
| dc.date.submitted | 2008-07-31 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/40396 | - |
| dc.description.abstract | 生質柴油又稱生物柴油，是以未加工過或者使用過之植物油或動物性脂肪作為原料，採用混合稀釋、微細乳化、熱解或轉酯化反應等方法所產製之生質燃料，具生物可分解性、無毒、燃燒後污染性低等優點，不僅可以單獨使用，也可與石化柴油混合使用，是一項具有潛力之潔淨替代燃料。
轉酯化反應是指以適當比例混合油脂與醇類，在加入與反應物同相之酸性催化劑、鹼性催化劑、脂解酶或非勻相之固體催化劑，或超臨界狀態下，反應、產製出另外一種酯類的過程，也是產製生質柴油最常用之方法。其中，採用非勻相催化劑者，具有可簡化產物分離與純化程序，減少廢水產出等優點，是一種對環境較友善且經濟上可行之方法。 本研究採用共沉澱法製備不同煅燒溫度、不同Mg/Al 莫爾比之非勻相催化劑－水滑石，在溫度60℃下，對甲醇與黃豆油催化轉酯成生質柴油，並探討其對轉酯率的影響研究結果顯示，以Mg/Al 莫耳比為3、煅燒溫度為550℃製程之水滑石催化能力最高，轉酯最佳條件為溫度60°C、時間8 小時、醇油莫耳比15:1、催化劑劑量5%，且可以85~95%的再生率重複使用水滑石達三次以上。 | zh_TW |
| dc.description.abstract | Biodiesel is a kind of clean and renewable energy which can be used directly or mixed with fossil diesel as fuel on vehicles. It can be extracted from recycled vegetable oil or animal fat by using blending, diluting, microemulsion, pyrolysis, or transesterification method.
Transesterification means that appropriate amount of alcohols and fat are mixed in supercritical condition with various kind of catalyst to produce esters. It is a common process in producing biodiesel. By using all kinds of catalyst, heterogeneous catalyst is relatively environment-friendly and makes a simple process. In this study, soybean oil is mixed with methanol under 60℃ with hydrotalcite as catalyst to investigate the effect of Mg/Al molar ratio and calcination temperature to the conversion. As result, hydrotalcite made at 550℃ and Mg/Al ratio in 3 has the best conversion. Optimal condition of transesterification is at 60℃, 8hrs, Methanol/Oil=15, catalyst of 5%. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-14T16:46:33Z (GMT). No. of bitstreams: 1 ntu-97-R95631027-1.pdf: 1124135 bytes, checksum: c898e3ed2ff822cd72ba941177d17d8f (MD5) Previous issue date: 2008 | en |
| dc.description.tableofcontents | 誌謝 i
摘要 ii ABSTRACT iii 目錄 iv 圖目錄 vi 表目錄 vii 第一章 前言 1 第二章 文獻探討 3 2.1 生質柴油之簡介 3 2.2 生質柴油之料源與製備 6 2.3非均相催化劑之製備與特徵 11 2.4文獻回顧 14 第三章 實驗材料與研究方法 25 3.1實驗材料與設備 25 3.2實驗內容及方法 27 3.2.1非勻相催化劑之製備 27 3.2.2非勻相催化轉酯製程 28 3.2.3轉酯反應成分分析與轉酯率之計算 29 3.2.4水滑石比表面積測定 32 3.2.5水滑石 X射線繞射分析 34 3.2.6掃描式電子顯微鏡 35 第四章 結果與討論 36 4.1非勻相催化劑之特徵分析 36 4.1.1掃描式電子顯微鏡（SEM） 36 4.1.2 X-射線繞射分析（XRD） 39 4.1.3 表面積測定 43 4.2標準溶液之層析 44 4.3非勻相催化轉酯 46 4.3.1 反應時間的影響 46 4.3.2 醇油莫耳比的影響 47 4.3.3 催化劑劑量的影響 48 4.3.4 煆燒溫度與鎂鋁莫耳比的影響 49 4.3.5 水滑石催化劑回收再利用之轉酯率 50 第五章 結論 51 參考文獻 52 | |
| dc.language.iso | zh-TW | |
| dc.subject | 水滑石 | zh_TW |
| dc.subject | 生質柴油 | zh_TW |
| dc.subject | 非勻相催化劑 | zh_TW |
| dc.subject | 轉酯 | zh_TW |
| dc.subject | Hydrotalcite | en |
| dc.subject | Biodiesel | en |
| dc.subject | Heterogeneous catalyst | en |
| dc.subject | Transesterification | en |
| dc.title | 生質柴油非勻相催化轉酯製程之探討 | zh_TW |
| dc.title | Transesterification Process of Biodiesel Using Heterogeneous Catalysts | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 96-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 周楚洋,李允中,陳力騏 | |
| dc.subject.keyword | 生質柴油,非勻相催化劑,轉酯,水滑石, | zh_TW |
| dc.subject.keyword | Biodiesel,Heterogeneous catalyst,Transesterification,Hydrotalcite, | en |
| dc.relation.page | 57 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2008-07-31 | |
| dc.contributor.author-college | 生物資源暨農學院 | zh_TW |
| dc.contributor.author-dept | 生物產業機電工程學研究所 | zh_TW |
| 顯示於系所單位： | 生物機電工程學系 | |
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