粉煤灰的利用技术研究进展综述
摘要
粉煤灰是火力发电厂中粉煤燃烧后产生的固体残留物,它是一种工业副产品.如果不能得到有效利用,它将是一种污染环境的废弃物.在过去的近二十年里,废弃物与副产品的应用受到越来越多的关注.本文主要对粉煤灰的一些基本性质进行了表述,物理和化学是其中最重要的性质,叙述了许多粉煤灰在建筑材料、沸石的合成、玻璃和陶瓷的生产、金属元素的提取、废气废水处理、土壤改善等领域的应用现状,提出了当前利用中存在的问题,并对粉煤灰综合利用的发展趋势做出了展望.
引文
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[4]Sudha Jala,Dinesh Goyal.Fly ash as a soi ameliorant for improving crop production-a review[J].Bioresource Technology 97(2006)1136-1147.
[5]Hosterman JW,Patterson SH,Good EEWorld nonbauxite aluminum resources excluding alunite.Washington:US Government Printing Office;1990(p.51).
[6]WU Cheng-you,YU Hong-fa1,ZHANGHui-fang.Extraction of aluminum by pressure acid-leaching method from coal fly ash[J].Trans Nonferrous Met.Soc.China 2012;22:2282-2288.
[7]H.H?ller,U.Wirsching,Zeolites formation from fly ash,Fortschr Mineral 63(1985)21-43.
[8]Annie Shoumkova,Valeria Stoyanova.Zeolites formation by hydrothermal alkali activation o coal fly ash from thermal power station“Maritsa3”,Bulgaria[J].Fuel 103(2013)533-541.
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