Sentence examples for use sludge from inspiring English sources

The mineral precipitation processes developed by Veolia Environnement use sludge recirculation.

These test methods use sludge from the digestion tower of municipal sewage plants as the inoculum.

For this reason, it is necessary to reduce the amount of sludge generation by improving the efficiency of the treatment methodologies and implementing new technologies able to use sludge as raw material for compost, generate biomolecules and energy.

The present study aimed to investigate the potential use sludge generated from sewage treatment plants as a production medium for cellulase by B. megaterium strain that was isolated from a sewage treatment plant.

Prior to use, sludge was pre-treated by allowing the sludge to settle at room temperature followed by decanting the supernatant and replacement with synthetic wastewater with aeration to maintain dissolved oxygen above 4 mg/l.

The results indicate that it is feasible to use sludge ash and steel-making waste to replace up to 20% of the mineral components of the raw material of cement.

This method of using sludge as bituminous paints can be a simple, eco-friendly and useful means of disposal in petroleum refining industries.

Those opposed to using sludge as fertilizer may now have new ammunition.

One Georgia farmer, H. J. Peterson of Stockbridge, sued DeKalb County in 1995, saying 61 of his cows died after eating hay grown using sludge; the suit is pending.

The biodegradability was investigated using sludge water.

Using sludge, in partial replacement of cement in concrete, has been widely studied in recent years.