THE CHARACTERISTICS OF ORGANIC MATTER CONSUMPTION BY ACIDOGENIC BACTERIA ON ANAEROBIC DIGESTION AT HIGH AMMONIA CONCENTRATION

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  • 高アンモニア濃度条件下での嫌気性消化における酸生成細菌の有機物資化特性
  • コウアンモニア ノウド ジョウケン カ デ ノ ケンキセイ ショウカ ニ オケル サン セイセイ サイキン ノ ユウキブツ シカ トクセイ

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Abstract

The characteristics of organic matter degradation under high ammonia concentration was investigated by continuous experiments. The carbohydrate removal rate significantly decreased as HRT decreased at the ammonia nitrogen concentration of near 4000mg-N/L. On the other hand, protein removal rate decreased in almost same proportion as HRT decreased, regardless of ammonia nitrogen concentration. Furthermore it seemed that increase in protein concentration of substrate restricted carbohydrate degradation at high ammonia concentration. In conclusion, it was appeared that preference of organic matter utilization were affected by condition at high ammonia concentration.

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