Fundamental study on solidification of excavation sludge of cattle manure

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  • 豚ふん素堀池汚泥の固化に関する基礎的研究
  • トンフン スボリイケ オデイ ノ コカ ニ カンスル キソテキ ケンキュウ

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In order to use excavation sludge of cattle manure and fly ash of coal power generation plant as construction materials, solidification of them with cement and water grass was investigated. The result showed that NH4-N and NO3-N were kept in the solid. Over 40 % of cement addition the elution concentrations of NH4-N and NO3-N were less than 0.6 and 4 mg/L, respectively. The result of leaching test indicated that the elution concentrations of Se and Cr at 40 % of cement addition and 0.1 of the ratio of water grass/cement could meat the Environmental Quality Standards for Soil Contamination.

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