硫酸第一鉄混合・加熱火山灰土壌による水中の微細藻類の除去 Algal Removal from Water Using Volcanic Ash Soil Heated with Ferrous Sulfate

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Volcanic ash soil heated with ferrous sulfate (VASHF) has a large specific surface area and is porous. VASHF particles have a rough surface and contain micropores with a diameter in the range of 0.003-100 μm. Pores having a diameter larger than 5 μm account for 41.6% of micropores. Moreover, VASHF also has a positive charge. The ability of VASHF to remove algae was examined in terms of the particle size of VASHF, line velocity and the thickness of VASHF. It was shown that VASHF can remove algae from water. The algal removal mechanism of VASHF is considered to be a result of the retention of algae due to the number of pores among particles, the irregularity of the surface and the micropores diameter of the particles, and also of the adsorption of algae due to the particles having a positive charge. Moreover, H<sub>2</sub>SO<sub>4</sub> treatment is the most effective method of recycling used VASHF that contains adsorbed algae. This allows VASHF to be reused.

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  • 水環境学会誌 = Journal of Japan Society on Water Environment  

    水環境学会誌 = Journal of Japan Society on Water Environment 30(1), 27-31, 2007-01-10 

    Japan Society on Water Environment

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各種コード

  • NII論文ID(NAID)
    10018456005
  • NII書誌ID(NCID)
    AN10372439
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    09168958
  • NDL 記事登録ID
    8646667
  • NDL 雑誌分類
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学)
  • NDL 請求記号
    Z16-1045
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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