Biosolids

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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.
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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 .
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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.
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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.

Latest Articles

10 tips to manage environmental risk during uncertain times

During the current COVID-19 pandemic there are many competing priorities, including environmental legal obligations that remain in force. At the same time, the pandemic will create new challenges in fulfilling these duties.
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