Treatment of a Food Industry Wastewater by a Biologically Activated Carbon Anaerobic Reacto

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  • 生物活性炭嫌気性反応装置による食品工場廃水の処理に関する研究
  • セイブツ カッセイタン イヤケセイ ハンノウ ソウチ ニ ヨル ショクヒン コウジョウ ハイスイ ノ ショリ ニ カンスル ケンキュウ

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Abstract

A biologically activated carbon anaerobic reactor was applied for treatment of two types of food industry wastewater : low soluble COD concentration wastewater of 1000-1500㎎/L with high suspended solid of 300㎎/L, and bean paste production process wastewater. Mean total COD removal efficiency of 86% and 89% were obtained for both wastewaters under the fluidized-bed-volume organic loading rate of 0.5-33㎏ COD/(m3・d) and 1.6-29㎏ COD/(m3・d) respectively. It was indicated that conversion efficiency of removed soluble COD to solid COD was 0.12㎏ COD/㎏ COD-removed and the solubilization ratio of solid-COD was 95% for the low soluble COD concentration wastewater.

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