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Table 6 Properties of effluent backwashing return to the reactor

From: Advanced treatment of effluent extended aeration process using biological aerated filter (BAF) with natural media: modification in media, design and backwashing process

Method BOD (mg/L) COD (mg/L) TSS(mg/L) Turbidity (NTU)
Reactor output without return 3 15 1 0.5
Reactor output with TB rotation 2 13 1 0.5
Reactor output with BB rotation 2 13 1 0.5
Reactor output with TBBS rotation 2 12 1 0.5