Sentence examples for sludge ratio from inspiring English sources

Choose waste sludge ratio, β.

Thus, AT ceases to depend on the waste sludge ratio β.

Open image in new window Fig. 5 Area per unit flow rate versus recycled sludge ratio α for X = 3.35.

When the greasy sludge ratio increased from 60%to90%0% of the feed COD, the reactor yield decreased by 75%.

In batch experiments, inhibition occurred with a greasy sludge ratio of more than 20 30% of the feed COD.

Expressing in terms of the sludge recycled and waste sludge ratio, Eq. (12) is reduced to Eq. (13) giving the relation between X and Xu.

These parameters were total COD (TCOD) removal, soluble COD (SCOD) removal, effluent pH, effluent total volatile fatty acid (TVFA), effluent bicarbonate alkalinity (BA), effluent total suspended solids (TSS), CH4 percentage in biogas, methane yield (YM), specific methanogenic activity (SMA), food-to-sludge ratio (F/M), sludge height in the UASB portion and solid retention time (SRT).

They used the sludge recycle ratio and sludge waste ratio as the operating parameters and obtained the responses of the output variables such as biomass concentration in aerator, dissolved pollutant and solid concentration in the effluent.

kern-0pt} {Q_{0} }} (4 where θ is the hydraulic retention time, α is the sludge recycle ratio and β is the sludge waste ratio.

How can the new operating sludge recycled ratio α be chosen (maintaining the F/M ratio) such that the treatment level of the plant remains the same as that assumed in designing?

With the sludge waste ratio β kept at constant, the sludge recycle ratio α, however, appears to be the only controllable parameter to maintain the desired level of treatment in the plant when the feed parameters differ from those assumed in the design of the plant.