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Hamilton discovers PCBs during WWTP upgrades, biosolids project nears completion

The City of Hamilton has experienced further delays on its massive wastewater treatment plant upgrades after discovering a “significant amount” of polychlorinated biphenyl (PCBs)...
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Geotextile system provides long-term biosolids management savings for small town

When a small town began planning to replace its aging wastewater plant, it looked for a simple, economical and sustainable process for biosolids management.
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New fluid bed municipal biosolids incinerator and dryer meet updated emission limits

The Green Bay WWTP went through a major solids handling upgrade. This included two anaerobic digesters and a new cold wind-box fluid bed incineration system.
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B.C.’s CRD biosolids application plan generates some backlash

British Columbia’s Capital Regional District (CRD) Board decision to overturn a ban on the spreading of biosolids is generating some backlash among residents who...
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New monitoring technologies enable biogas plants to optimize their efficiency

By Antti Heikkila Waste management presents a significant challenge to communities, with wastes increasingly being viewed as resources. Organic wastes are a particular concern because...
anaerobic-digesters

Analyzing heating requirements for mesophilic and thermophilic biosolids digestion

This article compares the heating requirements of both mesophilic and thermophilic anaerobic digestion operating modes.
Greenway Wastewater Treatment Plant

Waste handling trends that save time, money and environmental impacts

Transportation and disposal of solids represents a significant operational cost for wastewater plants. Dewatering and drying can play a huge role in reducing the mass and weight of solids, lowering costs.

Maine legislators order wastewater plants to test for PFAS in biosolids

Municipal wastewater treatment facilities in the U.S. state of Maine are under pressure to meet a May 7 deadline that forces them to test...
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Lystek wins multi-year biosolids contract with the City of Guelph

Lystek International announced that it had formally executed a multi-year (up to 10) biosolids management contract with the City of Guelph, Ontario, on October...
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Biosolids digester replacement project delivers savings and helps sustainability

The process hydrolyses dewatered biosolids, using low-temperature steam, high-speed shearing and alkali, in an enclosed, low-pressure reactor.

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