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News » US » Team chosen for first phase of $250m bio-energy project » published 7 Sep 2018

Team chosen for first phase of $250m bio-energy project

The design-build team has been chosen for the first phase of the US$250m Piscataway Water Resource Recovery Facility (WRRF) bio-energy project in Prince George’s County, Maryland.

PC Construction, Stantec and Hazen & Sawyer will carry out the design-build project for Washington Suburban Sanitary Commission (WSSC).

The US$44m phase one contract includes design and early construction, which entails demolition of existing on-site facilities and relocation of existing site utilities. The entire Piscataway WRRF Bio-Energy project is expected to be operational by spring of 2024. 

Upon completion, the facility is projected to help save WSSC customers approximately US$3m per year while expanding the commission’s green energy capabilities through increased production of renewable biogas.

The facility will convert wastewater biosolids into renewable biogas, which will then be used by Combined Heat and Power (CHP) engines to help power the facility. A portion of the biogas generated will also supplement the local community’s energy supply. The technology is expected to reduce the facility’s greenhouse gas emissions by 15%.

The project will also reduce the amount of resulting biosolids produced from five existing WSSC water resource recovery facilities, helping decrease WSSC’s transport and disposal costs. The quality of the remainder will create an opportunity for the WSSC to sell and distribute the Class A biosolids as fertilizer.

The facility will be among the first in the country to incorporate an advanced Thermal Hydrolysis Process (THP). “The growing demand from local utilities to manage wastewater biosolids more effectively, coupled with the need for more energy-efficient facilities, has created a substantial opportunity for THP applications in the United States,” said Art Umble, global practice leader for wastewater treatment at Stantec. “We are pleased to lead the design of this significant project, which will provide important community benefits.”

 

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This article was published on 7 Sep 2018 (last updated on 7 Sep 2018).

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