WEF Discussion Forums
Biosolids and Residuals
pumping dewatwred alum sludge
we have filtered backwash sludge that is dewatered by centrifuge with the addition of polyelectrolyte. Sludge is expected to be 10-20% solids so we want to use progressive cavity pumps to send it to the containers.
Does anybody have any experience of pumping such sludge ? It is highly gelatinous and we are affraid of blockage