頁籤選單縮合
題 名 | 焚化灰渣製成微晶材料之微結構與物理性質=Characterization and Physical Properties of Microstructure Materials Manufactured from Incinerated Fly Ash |
---|---|
作 者 | 鄭大偉; 陳永翔; | 書刊名 | 鑛冶 |
卷 期 | 45:4=176 2001.12[民90.12] |
頁 次 | 頁149-155 |
分類號 | 445.545 |
關鍵詞 | 焚化灰渣; 微晶材料; 熔融; Incinerated ash; Microstructure materials; Molten; |
語 文 | 中文(Chinese) |
中文摘要 | 焚化灰渣經熔融處理後,可以有效減少原體積80%以上,達到穩定化╱固化之效果並且毒性特性溶出可達我國有害事業廢棄物之溶出標準,進一步將熔渣加以熱處理可以使熔渣具有再利用之潛力。本研究以高週波爐製程所產生之微晶材料,熱處理溫度為850-1050℃並持溫2小時,內部具有微小的結晶顆粒。其結晶相為矽酸鹽類之鈣鋁黃長石(Gehlenite,Ca□Al□SiO□);另外,在電漿爐製程之微晶材料,是將焚化灰渣熔融後直接降溫至熱處理溫度,其所產生之微晶材料在900-950℃熱處理2小時後,在比重、孔隙率、吸水率及硬度等,均具有較佳之性質。 |
英文摘要 | Microstructure materials have been produced from the incinerated fly ash. The major components of the fly ash are SiO□, CaO and Al□O□ and nucleating agents. TiO□ and Fe□O□, are also present in reasonable amount. This study was to develop a molten process by using high frequency induction furnace and/or thermal plasma technique, in order to treat the incinerated fly ash. A one-step heat treatment process (2hr. at 850-1150 ℃) was used to obtain microstructure materials. The main crystalline phase in the resulting microstructure materials was gehlenite (Ca□Al□SiO□) which belongs to melilite group. These microstructure materials treated at 900-950℃ for 2 hours have good physical properties and exhibit high potential for engineering applications. |
本系統中英文摘要資訊取自各篇刊載內容。