Sludge accumulation rates in an ABR (or several run in parallel) based on daily inflow of 40m3 x 5 days per week?

  • macador
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Sludge accumulation rates

Hello all,

Can anyone please advise on sludge accumulation rates in an ABR (or several run in parallel) based on daily inflow of 40m3 x 5 days per week of FS with the characteristics seen in the attached excel file?

Presumably dimensioning will be key, but is there much room to play around with the dimensions or are they relatively fixed? Using the DEWATS spreadsheets it was unclear to me how much we could increase the volume of the chambers by increasing the width without reducing treatment efficiency.
To deal with the accumulated sludge we plan on using unplanted drying beds, but the quantity and dimensions will largely depend on the accumulation rate in the ABRs.
Any help would be much appreciated.

Cheers,

owen

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