Wastewater

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Flushable wipes label

‘Do Not Flush’ wipes labelling Bill making headway in California

California legislators have shown early support for a critical environmental Bill to rebrand hygienic wet wipes marked “flushable” with written warnings about potential clogs. Bill...
farmland-irrigation-stock-image

New study aims to quantify potential for wastewater nutrient recovery

A new international study aims to provide insights into the global and regional potential of the some 380 billion m3 of wastewater produced annually...
sewer construction

Report looks to create clear standard for reducing excess I/I for new sewers

A recent report compiles methods that can be applied when sewers are first constructed to limit the risk of leakage, highlighting the need for resilient infrastructure in an age of climate change where extreme rainfall has risen sharply.
HALOGEN-Image
Eleonore gold mine in northern Quebec

Cold water nitrification and cyanides removal for mining wastewaters

Laboratory and pilot-plant studies have confirmed that biological nitrification and denitrification could be sustained for mining effluent at very low temperatures (<5 °C)
Diagram

Demographic reality catching up to WWTPs

Municipalities in Ontario are encountering staff succession challenges. For many, proper procedures may not have been captured in operating manuals and other documentation, resulting in manuals and operating procedures that are not consistent with the current practice which is known to the seasoned operators who are about to retire.
wastewater-lift-station

Cloud-based alarm and monitoring systems cut costs, improve productivity

Cloud-based alarms and monitoring systems for water and wastewater treatment infrastructure can span a larger service area at a lower cost compared to traditional landlines.
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.
grease trap

Right equipment helps WWTPs cope with unknowns of septage receiving

By creating a receiving area for hauler trucks to offload septage waste, it becomes practical to employ forms of pretreatment, monitoring and storage.
researchers in lab photo

New technique could accelerate methane production from FOG and food waste

University of Alberta engineers found that adding conductive materials to fats, oils and grease and waste products could boost methane production by 70%.
Photo Nova Scotia Premier Stephen McNeil

All eyes on Nova Scotia’s transition through Northern Pulp paper mill closure

Days before Christmas, Nova Scotia Premier Stephen McNeil announced he was keeping his promise to the Pictou Landing First Nation and would not allow...

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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