Sewage
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There is an arm of science focused on revealing insights about public health by analyzing the contents of our sewage. And now one of the scientists on its cutting edge wants to use the technology to help monitor outbreaks of COVID-19.
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Given the scarcity of fresh water in many regions, it does seem a bit crazy to be flushing the stuff down the toilet. And while a few coastal areas use seawater instead, doing so is problematic in its own way – new research, however, may change that.
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In a way it seems so obvious: find out what kinds of things people are putting into their bodies by studying what comes out the other end. These do sound like muddy waters, but some see a very bright future for this dark corner of science.
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A new sensor system is designed to catch polluters, by sampling and analyzing water within the sewer line.
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World's first solar-electric pump-out boat cleanly and quietly deals with recreational boating wasteRecreational boaters looking to offload waste from sewage tanks can make a pit stop at pump-out stations on the marina, but there are also boats that can take away stored sewage. And the vessel recently delivered to Branford, Connecticut, is somewhat cleaner than most.
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When sewage sludge is processed at wastewater treatment plants, the leftover "biosolid" material is generally dried and set aside. While some of it ends up being used as fertilizer, much is often just stockpiled. Soon, however, it could find its way into eco-friendly fired-clay building bricks.
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A system called the NEWgenerator is designed to help take the strain off sewage infrastructure in developing countries, acting as a mini wastewater treatment plant that recovers energy, clean water and fertilizer from sewage. Units will soon be installed in South Africa.
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ScienceResearchers in Norway have combined the location services on smartphones with data from wastewater analysis to reveal a more accurate picture of the illicit drugs and pharmaceuticals taken in a community, even while traveling or commuting.
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ScienceWhen a virus is going around, the earlier it's detected, the better. It's with this in mind that scientists are proposing doing analyses of communities' wastewater to detect rises in the amount of viruses passed by residents, identifying the microbes based on their DNA.
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A year after it first got under way, the first major work for London's Thames Tideway Tunnel "super sewer" project has been completed. A replacement pier at Blackfriars will provide continued access to river transport during work to reinforce the nearby river wall.
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Global efforts to extract energy from sewage in forms such as heat, biogas and even electricity may get a boost thanks to the work of a team of biochemists and microbiologists from Ghent University, Belgium, who are collaborating on a pilot project with DC Water in Washington DC.
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The US Department of Energy's Pacific Northwest National Laboratory (PNNL) has found a way to potentially change the 34 billion gal (128 billion liters) of raw sewage that Americans create every day into 30 million barrels of biocrude oil per year.
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