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探討鐵鋁複合金屬氧化能力及應用於染整廢水處理之研究 = Investig...

國立高雄大學土木與環境工程學系碩士班

探討鐵鋁複合金屬氧化能力及應用於染整廢水處理之研究 = Investigation of the oxidizing ability of bimetallic iron-aluminum and its application for the dye wastewater treatment

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Investigation of the oxidizing ability of bimetallic iron-aluminum and its application for the dye wastewater treatment
作者:	林書丞,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2012[民101]
面頁冊數:	177面圖，表格 : 30公分;
標題:	鐵鋁複合金屬
標題:	Bimetallic iron-aluminum
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/24792886310779431671
附註:	參考書目：面142-153
摘要註:	本研究研究鐵鋁複合金屬的氧化機制及能力並應用於染整廢水處理，鐵鋁複合金屬是一種具氧化還原能力的複合金屬，其結構為鐵金屬附著於鋁金屬的表面，由鋁金屬做為電子供應者，鐵主要扮演著氧化劑之角色。在理論方面，利用甲醇(初始濃度為31.64 mg/L)及甲酸做為探針式化合物探討零價金屬的氧化能力，並以甲醛生成量2.01 mg/L，轉化率為6.35%，確認零價金屬的氧化能力。同時測定到過氧化氫25 mg/L及亞鐵離子50 mg/L 的生成，確認其氧化的反應機制。最後利用電子順磁共振光譜儀去量測鐵鋁複合金屬的自由基產生，得知鐵鋁複合金屬可產生二種自由基，在儀器測定下，分別是氫氧自由基與甲基自由基，且都能維持長效性的自由基產生。染整廢水包括各式各樣的染料和助劑對環境有極大的危害，Fenton 技術是目前被廣泛研究與應用於去除染整廢水，然而整體的成本昂貴，且會造成大量含鐵污泥產生，增加整體成本以及處理不當的二次污染。因此一種可自行產生過氧化氫的固態材料-鐵鋁複合金屬，將有效的透過Fenton 程序去氧化降解染整廢水。鐵鋁複合金屬是一種具有長效能及低成本的廢水處理之材料，透過亞鐵離子循環以及過氧化氫釋出，減低污泥產生量。而在實場應用方面測試了不同染料廢水(分散性、反應性、酸性及鹽基性)，在COD 與真色色度氧化降解皆有60-98%去除率。最後將利用廢棄鋁渣去配製鐵鋁複合金屬，並利用管柱試驗了解其應用實場之可行性。 This study investigated the oxidizing ability of bimetallic iron-aluminum (Fe/Al) and its application for the dye wastewater treatment. A dual functionality of Fe/Al bimetals for redox reactions has been discovered. A zero-valent Fe/Al bimetal is synthesized by depositing zero-valent iron onto the surface of zero-valent aluminum. Aluminum serves as an electron donor. The oxidative ability was investigated using methanol and formic acid as probes. Formaldehyde (transformation rate = 6.35%) was detected as an intermediate when methanol was oxidized by Fe/Al bimetals. However, completely mineralization of methanol can not be achieved by Fe/Al bimetals according to the TOC analysis. The Fe/Al bimetal can gradually and constantly release hydrogen peroxide and ferrous ion at the concentration about 25 and 50 mg/L, respectively. We demonstrate that the Fe/Al bimetals can produce oxidizing species such as the hydroxyl radical (OH‧) and the methyl radical (CH3‧) through the metal-driven Fenton reaction. Electron paramagnetic resonance (EPR) employing spin trapping techniques with 5,5-dimethylpyrroline N-oxide (DMPO) is used to confirm the generation of radicals. Textile wastewater includes a wide array of dyes and dyeing assistants causing the environmental challenge for textile industry. The Fenton reaction, a green chemical process, has been known as a homogeneous process for dye wastewater treatments. However, the overall cost and associated problems of secondary sludge generation limit its application. We present here a solid-phase hydrogen peroxide generator, zero-valent Fe/Al bimetal, for an effective mineralization of dye wastewater through the Fenton reaction. The release of hydrogen peroxide and the cycle of ferrous ion minimizes the sludge production and makes the Fe/Al bimetal a long-lasting material for dye wastewater treatments. We have tested a large variety of dye wastewater containing acid, basic, reactive and disperse dyes in reaction with Fe/Al bimetal. The COD and ADMI removal efficiency was in a range of 60-98%.

探討鐵鋁複合金屬氧化能力及應用於染整廢水處理之研究 = Investigation of the oxidizing ability of bimetallic iron-aluminum and its application for the dye wastewater treatment
林, 書丞

探討鐵鋁複合金屬氧化能力及應用於染整廢水處理之研究 = Investigation of the oxidizing ability of bimetallic iron-aluminum and its application for the dye wastewater treatment / 林書丞撰 - [高雄市] : 撰者, 2012[民101]. - 177面 ; 圖，表格 ; 30公分.
參考書目：面142-153.
鐵鋁複合金屬Bimetallic iron-aluminum

探討鐵鋁複合金屬氧化能力及應用於染整廢水處理之研究 = Investigation of the oxidizing ability of bimetallic iron-aluminum and its application for the dye wastewater treatment
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