News

What a difference a couple of years can make. When we first introduced you to Greyter Water Systems in 2016, the Ontario-based company was fine-tuning its new residential greywater product. By filtering shower and bath water so it can be reused for flushing toilets, the Greyter HOME system can cut household water consumption an impressive 20-25 per cent. Today, the technology is attracting attention from home builders across North America — and with good reason. Using proprietary, self-cleaning filtration processes, the [...]

It is estimated that Canada’s wastewater treatment plants produce as much as 660,000 tonnes of dried sludge in a year. While a portion of the sludge may be treated and recycled as fertilizer, most facilities dispose of the remainder through landfills or incineration, placing a strain on their operating costs as well as on the environment. Anaerobic digestion is an effective way to reduce organics, including sludge, by converting it to biogas. In some municipalities, anaerobic digestion happens at the [...]

Phosphorus is getting a bad rap these days — and with good reason. According to recent estimates, humans are pumping 10 million tonnes of this nutrient into the world’s lakes and rivers each year[1] with results that can be devastating. In 2014, for example, a massive bloom of blue-green algae, fueled by phosphorus, turned large parts of Lake Erie the colour of a spinach-based smoothie. It also released dangerous cyanotoxins, forcing authorities to cut off tap water to half a [...]