Wastewater Archives

DOE Launches $100M Retrofit Program Targeting Coal Fleet Reliability

Sonal Patel — Thu, 06 Nov 2025 20:52:15 +0000

The Department of Energy (DOE) has released a Notice of Funding Opportunity (NOFO) providing up to $100 million in federal backing for projects focused on restoring and modernizing the nation’s existing coal plant fleet. The Oct. 31–issued NOFO, administered by DOE’s National Energy Technology Laboratory (NETL) under the Office of Fossil Energy and Carbon Management, […]

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Understanding Reverse Osmosis Water Treatment Systems

Contributed Content — Tue, 02 Sep 2025 11:57:46 +0000

Reverse osmosis (RO) is a vital water purification technology used in various applications such as boiler feedwater treatment, cooling water systems, and wastewater recycling. The feedwater for RO can

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Passive Heat from City Sewer Used to Heat and Cool Museum

Nathan Madding — Thu, 02 Jan 2025 12:08:00 +0000

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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EPA Unleashes Four-Pronged Assault on Fossil Fuel Power Pollution

Sonal Patel — Thu, 25 Apr 2024 17:28:19 +0000

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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EPA Rolls Out More Stringent Effluent Limitations Guidelines for Coal Power Plants

Sonal Patel — Wed, 08 Mar 2023 16:53:06 +0000

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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Renewable Natural Gas Projects Announced for South Dakota, Florida

Darrell Proctor — Mon, 09 Jan 2023 17:34:47 +0000

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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Biden Administration Rolls Out ‘Durable’ WOTUS Definition in Final Rule

Sonal Patel — Fri, 30 Dec 2022 18:15:35 +0000

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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Can Power Plant Wastewater Be Valuable?

Sonal Patel — Mon, 03 Oct 2022 04:11:00 +0000

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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SHARC Wastewater Energy Transfer (WET) System Will be Installed in Seattle

Press Release — Thu, 05 May 2022 17:16:47 +0000

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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EPA Will Strengthen Limits on Wastewater Pollution from Coal-Fired Plants

Darrell Proctor — Tue, 27 Jul 2021 16:28:52 +0000

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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