Wastewater
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Sustainability
Passive Heat from City Sewer Used to Heat and Cool Museum
Through a cutting-edge heat exchange system, the Museum of Bavarian History in Regensburg, Germany, efficiently heats and cools its building, showcasing a promising solution for urban decarbonization and clean
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Legal & Regulatory
EPA Unleashes Four-Pronged Assault on Fossil Fuel Power Pollution
In an unprecedented move, the U.S. Environmental Protection Agency (EPA) on April 25 simultaneously finalized four major environmental rules covering greenhouse gases (GHG), air toxics, wastewater discharges, and coal combustion residuals from fossil fuel-fired power plants. Among the rules is the EPA’s final Carbon Pollution Standards, which marks the agency’s third attempt to broadly curb […]
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Coal
EPA Rolls Out More Stringent Effluent Limitations Guidelines for Coal Power Plants
The Environmental Protection Agency (EPA) is proposing more stringent discharge standards for three types of coal power plant wastewater as part of an update to its Effluent Limitations Guidelines (ELGs). However, the agency also proposed compliance flexibilities, and in a separate direct final rule, moved to extend a deadline to allow more coal plants to […]
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Gas
Renewable Natural Gas Projects Announced for South Dakota, Florida
More projects to increase the supply of renewable natural gas (RNG) have been announced in Florida and South Dakota, as investments continue in technologies to produce a low-carbon fuel that could replace diesel and other fossil fuels. OPAL Fuels, headquartered in White Plains, New York, on Jan. 5 announced it has completed the ramp-up period […]
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Legal & Regulatory
Biden Administration Rolls Out ‘Durable’ WOTUS Definition in Final Rule
The Biden administration has rolled out in a final what it says is a “durable” definition of “waters of the U.S.” (WOTUS), potentially capping a legal and political battle that has raged for nearly two decades. The final rule issued by the U.S. Environmental Protection Agency (EPA) and the U.S. Department of the Army on […]
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Trends
Can Power Plant Wastewater Be Valuable?
The rise and rapid adoption of the circular economy—a systems solution framework that seeks to keep materials, products, and services in circulation for as long as possible—is triggering an interesting
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Press Releases
SHARC Wastewater Energy Transfer (WET) System Will be Installed in Seattle
Vancouver, B.C, Canada (May 3, 2022) – SHARC International Systems Inc. (CSE: SHRC) (FSE: IWIA) (OTCQB: INTWF) (“SHARC Energy” or the “Company”), a world leader in energy transfer with wastewater, is pleased to announce that the Company has received a purchase order from California | Columbia Hydronics Corporation (“CHC”), a representative of SHARC products in Alaska, Washington, Oregon, Northern California (north of San Luis […]
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Coal
EPA Will Strengthen Limits on Wastewater Pollution from Coal-Fired Plants
The Environmental Protection Agency (EPA) is set to establish more stringent standards on water pollution from coal-fired power plants. The EPA on July 26 announced it would reinstate Obama-era regulations that were rolled back by the Trump administration. An EPA official on Monday said the new rule would impact about 100 coal-fired plants. The agency […]
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Water
Rethinking Wastewater Treatment for Better FGD Economics
POWER’s 2020 Water Award goes to Saltworks Technologies for successfully piloting a novel application of a 50-year-old technology at a coal plant. The company’s solution promises to slash costs of treating
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Water
Types of Filtration Systems Used for Wastewater Applications
The liquid filtration process is an important step in various applications that reuse water within systems. This article provides details on the types of filtration systems available and the benefits of each