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Volume 17 Issue 5
Oct.  2010
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Ubolluk Rattanasak, Prinya Chindaprasirt,  and Prasert Suwanvitaya, Development of high volume rice husk ash alumino silicate composites, Int. J. Miner. Metall. Mater., 17(2010), No. 5, pp. 654-659. https://doi.org/10.1007/s12613-010-0370-0
Cite this article as:
Ubolluk Rattanasak, Prinya Chindaprasirt,  and Prasert Suwanvitaya, Development of high volume rice husk ash alumino silicate composites, Int. J. Miner. Metall. Mater., 17(2010), No. 5, pp. 654-659. https://doi.org/10.1007/s12613-010-0370-0
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Development of high volume rice husk ash alumino silicate composites

  • 通讯作者:

    Prinya Chindaprasirt    E-mail: prinya@kku.ac.th

  • The development of high volume rice husk ash (RHA) alumino silicate composites (ASC) was studied. RHA was used as the source of silica and aluminium in the ASC. The mass ratios of RHA:Al(OH)3 of 70:30 to 99:1 were tested. The results indicate that the obtained ASC mortars are not stable and disintegrate in water. Boric acid was introduced to the mixture to overcome this problem. Stable ASC mortars with high RHA:Al(OH)3 mass ratios of 90:10 to 97.5:2.5 were obtained with the use of boric acid and 115℃ curing. The compressive strength of the mortar of 20 MPa was gained. The immersion test indicates that high volume RHA ASC mortars show good resistance in 3vol% H2SO4 solution, but is slightly less durable in 5wt% MgSO4 solution.
  • Development of high volume rice husk ash alumino silicate composites

    + Author Affiliations
    • The development of high volume rice husk ash (RHA) alumino silicate composites (ASC) was studied. RHA was used as the source of silica and aluminium in the ASC. The mass ratios of RHA:Al(OH)3 of 70:30 to 99:1 were tested. The results indicate that the obtained ASC mortars are not stable and disintegrate in water. Boric acid was introduced to the mixture to overcome this problem. Stable ASC mortars with high RHA:Al(OH)3 mass ratios of 90:10 to 97.5:2.5 were obtained with the use of boric acid and 115℃ curing. The compressive strength of the mortar of 20 MPa was gained. The immersion test indicates that high volume RHA ASC mortars show good resistance in 3vol% H2SO4 solution, but is slightly less durable in 5wt% MgSO4 solution.
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