Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Growth Characteristics of Microorganism on Lapilli-Cement mixed Bioblocks

화산력-시멘트 혼합 바이오 블록의 미생물 생장 특성

  • Park, Sung-Yong (Institute for Advanced Construction Materials, Kangwon National University) ;
  • Park, Duck-Hwan (Dept. of Applied Biology, Kangwon National University) ;
  • Kim, Hyun-Sun (Dept. of Applied Biology, Kangwon National University) ;
  • Kim, Jung-Myeon (Institute for Advanced Construction Materials, Kangwon National University) ;
  • Lim, Hyun-Taek (Dept. of Regional Infrastructure Engineering, Kangwon National University) ;
  • Bae, Su-Bin (Dept. of Regional Infrastructure Engineering, Kangwon National University) ;
  • Kim, Yong-Seong (Dept. of Regional Infrastructure Engineering, Kangwon National University)
  • Received : 2015.01.12
  • Accepted : 2015.01.27
  • Published : 2015.01.30
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Abstract

This research aims to utilize lapilli from the Mt. Baekdusan as environmently-friendly construction material. First of all, the neutralizing method for fabricating lapilli-cement-mixed bioblock was examined. And then, by use of the neuralized bioblock with microorganism for water purification, the growth inhibition effect against the pathogenic coliform bacillus was evaluated. The result regarding growth inhibition effect on pathogenic coliform bacillus indicates that the pretreatment condition, which is a concurrent procession with aqueous solution of 10% di-ammonium Phosphate after water curing, led to pH degraded below 10 which was the target value. Therefore it was concluded that the method was effective on bio-block neutralization. The microorganisms purifying water and di-ammonium phosphate were detected through the examination for microorganism existence on the bioblock, therefore it was concluded that the bioblock composed of lapilli and cement is able to be utilized in various structures as an environment friendly construction material.

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References

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  1. Vegetation and Water Purification Characteristics of Lapilli-Bio Block vol.58, pp.6, 2016, https://doi.org/10.5389/KSAE.2016.58.6.047