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London’s Greenway WWTP chooses centrifuges for sludge dewatering

London Ontario’s Greenway wastewater treatment plant takes in sludge from six other city treatment plants. Sludge dewatering is achieved using centrifuges.

Evaluating the performance of new fluid bed incinerators

The Duffin Creek Water Pollution Control Plant (WPCP) in Pickering, Ontario, is jointly owned by the Regional Municipalities of York and Durham.

New device reduces polymer use and controls struvite during sludge dewatering

HydroFLOW technology is being used in the wastewater sector to control struvite and other scale forming issues during sludge dewatering processes.
manure-injectors

Injecting manure into soil reduces estrogen runoff loads

A new study shows that applying manure to crop fields by means of shallow disk injection into the soil, rather than traditional surface broadcast,...

Biochar shows benefits as manure lagoon cover

Manure can be a useful fertilizer, returning valued nitrogen, phosphorus and potassium to the soil for plant growth. But manure has problems. Odour offensiveness,...
Primary digesters

Analyzing digester heating requirements

An analysis of Ashbridges Bay Wastewater Treatment Plant led to some conclusions that may be used for digester heating design and operation purposes.
waste processing facility rendering

Dry phase anaerobic digestion of organic waste: Resource recovery

If energy recovery is part of a organics recycling strategy, two well-proven routes are available: thermal processes and anaerobic digestion .
photo of landfill

Lessons learned from successful applications of biological landfill leachate treatment

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.
Picture of biogas pressure vessel and flare

Study identifies significant benefits to Canadian biogas development

Biogas is a "good news" sustainability story for farmers, municipalities, food processors and for quality of life and the environment.

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