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http://dx.doi.org/10.4491/KSEE.2011.33.5.301

Synthesis of Zeolite Using Discharged Fly Ash in an Industrial Complex in Ulsan  

Lee, Chang-Han (Department of Environmental Administration, Catholic University of Pusan)
Park, Jong-Won (ILSOM Co., Ltd.)
Publication Information
Journal of Korean Society of Environmental Engineers / v.33, no.5, 2011 , pp. 301-306 More about this Journal
Abstract
In this study, zeolite was synthesized by hydrothermal, fusion, and fusion/hydrothermal methods with fly ash, coal fly ash, and a waste catalyst discharged from thermal power plants and incinerator in Ulsan area. Coal fly ashes (CFAs) and a waste catalyst containing amounts of $SiO_2$ and $Al_2O_3$ ranging from 60.29 to 89.62 wt%. CFAs were mainly composed of quartz and mullite which were assayed by a XRD pattern. Zeolite could be synthesized by CFAs and the waste catalyst when all methods were used. Na-A zeolite (Z-C1, Z-C2, and Z-W5) are mainly synthesized by the fusion method from CFAs and the waste catalyst. Z-C1 and Z-C2 formed by-products, calcite peaks, which is caused by the content of CaO in CFAs and the addition of $Na_2CO_3$ for a synthetic process.
Keywords
Fly Ash; Waste Catalyst; Zeolite; Synthesis;
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