{"id":19028,"date":"2015-11-24T09:48:21","date_gmt":"2015-11-24T14:48:21","guid":{"rendered":"http:\/\/wordpress-367309-1145705.cloudwaysapps.com\/?p=19028"},"modified":"2015-11-24T09:48:21","modified_gmt":"2015-11-24T14:48:21","slug":"waste-heat-recovery-from-the-sewer-canadian-firm-harvests-wasted-hot-water-video","status":"publish","type":"post","link":"https:\/\/sustainablog.org\/articles\/waste-heat-recovery-from-the-sewer-canadian-firm-harvests-wasted-hot-water-video\/","title":{"rendered":"Waste Heat Recovery… From The Sewer? Canadian Firm Harvests Wasted Hot Water [Video]"},"content":{"rendered":"

We’ve discussed all sort of energy harvesting possibilities from sewage, but nearly all of those were tied to the waste material floating in that water<\/a>. It turns out the water itself is also a carrier of energy, in the form of heat. British Columbia-based International Wastewater Systems<\/a> has figured out a technology for waste heat recovery<\/a> from sewers that can save municipalities and other setting with lots of people quite a bit of money on their energy spending… and make a nice dent in greenhouse gas emissions.<\/p>\n

The general premise is pretty simple: we all send hot water – from our showers, dishwashers, sinks, etc – down the drain. That’s energy, and by using a heat exchange-based system they call\u00a0The Sewage SHARC, IWS provides a means to recover that energy.<\/p>\n

The video above goes into much more detail on how this works, including the kinds of cost savings it can produce. Yes, this is a promo video, with lots of promo-speak, but the underlying concept and the technology the company’s built are just fascinating. I know a number of European countries have done great work with waste heat recovery at a municipal scale, but, even in those cases, I’m not sure that heat from the sewers is part of the equation.<\/p>\n

This video’s a little longer than what we normally post, but well worth your time. Once you finish it, please share your thoughts with us in the comments.<\/p>\n

Feature image credit: Shutterstock<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

That warm or hot water going down your drain? That’s energy being wasted! A Canadian firm has developed waste heat recovery technology to save it.<\/p>\n","protected":false},"author":56,"featured_media":19029,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"video","meta":{"footnotes":""},"categories":[36,7],"tags":[4882,395,91,8699,8700,8698],"yoast_head":"\nWaste Heat Recovery From The Sewers<\/title>\n<meta name=\"description\" content=\"That warm or hot water going down your drain? That's energy being wasted! 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