TREATMENT OF SEWAGE SLUDGE BY COLD CIRCULATION FREEZE-DRYING EQUIPMENT

DOI Web Site 参考文献6件 オープンアクセス
  • IWAHORI Keisuke
    社団法人 土木学会 Institute for Environmental Sciences, University of Shizuoka
  • HONDA Shun'ichi
    Dept. of Environmental Health Sciences, Graduate School of Nutritional and Environmental Sciences, University of Shizuoka

書誌事項

タイトル別名
  • WITH A VIEW TO RECOVERING BIOMASS RESOURCES

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説明

Cold Circulation Freeze-Drying Equipment of a pilot plant was produced to freeze-dry sewage sludge with a view to recovering cellulose of a biomass resource. The recovery yields of solids and water by the produced equipment were 90.0-96.0% (w/w) and 170-250% (v/v), respectively. The moisture content of the dewatered sewage sludge was about 12%. The cost of the freeze-drying treatment for sewage sludge was estimated to be approximate for present sewage sludge treatment using liquefied natural gas (LNG) waste cold heat. These results also suggested that freeze-drying treatment for sewage sludge did not occur by-products (dioxin, etc.) derived from incineration.

収録刊行物

  • 土木学会論文集

    土木学会論文集 2003 (734), 167-174, 2003-05-22

    公益社団法人 土木学会

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