臺灣博碩士論文加值系統

工業上生產腐植酸主要是以煤炭為主，研究顯示腐植酸是以木質素為主要來源，各種含有木質纖維素的物質均可以用來生產腐植酸，故原材料十分容易取得，也可以幫助處理農業廢棄物。
本研究利用實驗設計法，尋找濕氧蒸爆時氧氣壓力與蒸爆後鹼處理濃度對生產腐植酸的最適化條件。蒸爆時氧氣壓力從0~5Bar，蒸爆後NaOH以及Na4P2O7濃度從0.05M ~ 0.15M。研究結果顯示在氧氣壓力5Bar、NaOH濃度0.15M、 Na4P2O7濃度0.15M的條件下，有最高的腐植酸產量4.9945g。

The industrial production of humic acid usually are coal humic acid. There are evidence that lignin was the source of humic substance. Lignocellulosic materials can be the source of humic acid, which is easy to get and can help with clean the agricultural waste.
In this study, steam explosion treatment Acacia find the most suitable conditions for production of humic acid, the use of experimental design to explore the oxygen pressure, sodium hydroxide concentration and tetrasodium pyrophosphate concentration in the range of 0~5 bar with 0.05~0.15M and 0.05~0.15M. The results showed that with 5 bar oxygen, 0.15M NaOH, 0.15M Na4P2O7, have the highest production of humic acid 4.9945g.

摘 要 i
Abstract ii
誌 謝 iii
目 錄 iv
第一章 緒論 1
1.1前言 1
1.2研究動機 1
1.3研究目的 2
第二章 文獻回顧 3
2.1腐植物質的形成 3
2.2 腐植酸 6
2.3 木屑的組成 8
2.3.1 木質纖維素 8
2.3.2 纖維素 9
2.3.3 半纖維素 10
2.3.4 木質素 10
2.4 蒸煮爆碎法 13
2.5 專利方法 15
2.5.1汽爆秸秆生产腐植酸的方法 15
2.5.2 Method for producing humic acid salts 15
第三章 材料與方法 16
3.1 實驗儀器 16
3.2 實驗藥品 18
3.3 實驗流程 19
3.4 木屑物料組成分析 20
3.4.1 乾重測試 (依照NREL Lap-001規範) 20
3.4.2 碳水化合物分析 (依照NREL Lap-002規範) 20
3.4.3 酸不可溶木質素分析 (依照NREL Lap-003規範) 23
3.4.4 酸可溶木質素分析 (依照NREL Lap-004規範) 23
3.4.5 灰分分析 (依照NREL Lap-005規範) 24
3.5 濕氧蒸煮爆碎處理程序 25
3.5.1實驗設計 25
3.5.2 溼氧蒸煮爆碎設備的操作 27
3.5.3 產製腐植酸 27
3.6 腐植酸分析 28
3.6.1 有機質之測定 28
3.6.2 腐植酸之測定 28
3.7 高效能液相層析儀分析原理 30
第四章 結果與討論 32
4.1 木屑成分分析 32
4.2 腐植酸計算與分析 33
第五章 結論 37
參考文獻 38

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