EPA Ruling on Sludge Gasification Process Opens Door to Environmentally Beneficial Waste Treatment Technology
WASHINGTON, Jan. 2, 2014 /PRNewswire-USNewswire/ -- A recent Environmental Protection Agency ruling that sewage sludge gasification technology patented by MaxWest Environmental Systems Inc., is not an incinerator heralds a major victory not only for clean air and water but also for taxpayers in municipalities looking for a sustainable alternative to costly incineration.
The EPA, in a letter dated Dec. 19, determined that federal emissions guidelines and compliance rules for sewage sludge incinerators do not apply to a MaxWest sludge gasifier near Sanford, Fla. The ruling came in response to a request from McGuireWoods LLP, which represented the company before the regulatory agency.
In its findings, the EPA held that MaxWest's pioneering technology that breaks down sewage sludge through heating in an oxygen-starved environment prevents combustion, and thus will not be regulated as an incinerator.
The agency further exempted from incinerator regulations the second energy-saving step in the process – a "thermal oxidizer process heater" in which gases released from thermochemical reactions are scrubbed and then burned to create heat needed to dry incoming sludge.
The result of the process is a self-sufficient closed-loop system that requires little or no fossil fuel after start-up, drastically reducing costs of and emissions from using natural gas for an incinerator.
"This ruling is definitely good news for communities and sewage treatment plant operators. Being free from the regulatory burdens of the sewage sludge incinerator rule will allow MaxWest to deploy the technology more cheaply," said Bernadette Rappold, a Washington-based McGuireWoods partner who led the MaxWest legal team, along with senior counsel Cameron Prell.
The MaxWest process carries other environmental, commercial and economic benefits. Gasification produces a more valuable fertilizer for farmers since some of the carbon that incineration destroys remains in the solid byproduct.
And, as space in landfills becomes scarce and motor fuel costs climb, the costs of hauling and disposing of sludge in them have skyrocketed. MaxWest's gasification technology also eliminates air and groundwater pollution risks that landfill disposal of sludge poses.
MaxWest is in negotiations to deploy its technology in several municipalities across the United States.
December's EPA ruling is not the first time the agency has cast a vote of confidence in MaxWest's technology. In a June 2012 report, the EPA extolled the benefits of its gasification process for its emissions control and green energy benefits and singled out MaxWest as the only domestic gasification technology ready for prime time.
McGuireWoods LLP is a full-service law firm with more than 900 lawyers in 19 offices worldwide. The firm's Washington office is located at 2001 K Street N.W. For more information, visit www.mcguirewoods.com.
SOURCE McGuireWoods LLP
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