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Study on characteristics of board prepared by microwave drying process of coal bottom ash and vermiculite

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2017, 27(3), pp.135-142
  • DOI : 10.6111/JKCGCT.2017.27.3.135
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : June 9, 2017
  • Accepted : June 16, 2017
  • Published : June 30, 2017

Hyun Chul Jun 1 Geug Tae Kim 1

1한남대학교

Accredited

ABSTRACT

In this study, we prepared the board of vermiculite materials utilizing coal bottom ash from the Western thermal power stations in Korea and obtained experimental data in applications for building interior materials with the characteristics of sound absorption. To produce the mixture materials of vermiculite and coal bottom ash, we used a microwave drying process. In addition, a ball milling process was used to produce particles of coal bottom ash with a uniform size of 65 μm. When the board made from mixture materials of vermiculite and coal bottom ash were produced with bottom ash sulfur concentrations of 5, 10 wt%, maximum bending loads were analyzed. These experimental results would contribute much to fundamental data essential to the recycling technology of coal bottom ash.

Citation status

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