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標題:Mechanochemically induced synthesis of anorthite in MSW fly ash with kaolin
學年101
學期1
出版(發表)日期2013/01/15
作品名稱Mechanochemically induced synthesis of anorthite in MSW fly ash with kaolin
作品名稱(其他語言)
著者Ching-Wei Wu; Chang-Jung Sun; Sue-Huai Gau; Cheng-Lin Hong; Cheng-Gang Chen
單位
出版者
著錄名稱、卷期、頁數Journal of Hazardous Materials 244-245, pp.412-420
摘要The process of mechanical milling has been found to effectively stabilize heavy metals in municipal
solid waste incinerator (MSWI) fly ash, as well as to restrain the evaporation of heavy metals during
thermo-treatment. This method is adopted in this study and the composition and degree of amorphization
adjusted to improve the efficiency of crystalline anorthite synthesis. Different milling times (1, 5, 10 and
20 h) and different sintering temperatures (900, 950, 1000, 1100, 1200 and 1300 ◦C) are utilized. The
extracted fly ash and kaolin (KEFA) were mixed to simulate an anorthite composite. The experimental
results indicate that the degree of amorphization of the KEFA increased as the milling time increased.
Furthermore, the synthesis of crystalline anorthite increased as the degree of amorphization increased.
The milling process allowed a reduction in the synthesization temperature from 1300 ◦C to 950 ◦C. The
heavy metals are sealed in during the liquid sintering phase, which reduces the amount of heavy metals
released from the sintered specimens.
關鍵字Municipal solid waste;incinerator fly ash;Anorthite;Mechanical milling;Amorphization;Temperature program of sintering.
語言英文
ISSN0304-3894;1873-3336
期刊性質國外
收錄於SCI;EI;
產學合作
通訊作者Sun, Chang-Jung
審稿制度
國別荷蘭
公開徵稿
出版型式,電子版,紙本
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