The process hydrolyses dewatered biosolids, using low-temperature steam, high-speed shearing and alkali, in an enclosed, low-pressure reactor.
London Ontario’s Greenway wastewater treatment plant takes in sludge from six other city treatment plants. Sludge dewatering is achieved using centrifuges.
The Duffin Creek Water Pollution Control Plant (WPCP) in Pickering, Ontario, is jointly owned by the Regional Municipalities of York and Durham.
HydroFLOW technology is being used in the wastewater sector to control struvite and other scale forming issues during sludge dewatering processes.
A new study shows that applying manure to crop fields by means of shallow disk injection into the soil, rather than traditional surface broadcast,...
Manure can be a useful fertilizer, returning valued nitrogen, phosphorus and potassium to the soil for plant growth. But manure has problems. Odour offensiveness,...
An analysis of Ashbridges Bay Wastewater Treatment Plant led to some conclusions that may be used for digester heating design and operation purposes.
If energy recovery is part of a organics recycling strategy, two well-proven routes are available: thermal processes and anaerobic digestion .
Landfill leachate treatment is a major engineering challenge due to the high and variable concentrations of dissolved solids, dissolved and colloidal organics, heavy metals and xenobiotic organics.
Biogas is a "good news" sustainability story for farmers, municipalities, food processors and for quality of life and the environment.