Complex regulatory, political and public issues make the management of biosolids a substantial challenge for any wastewater utility. The required capital investment and the cost of operating and maintaining biosolids treatment facilities is significant, typically ranging between 25% and 50% of a utility’s total wastewater treatment costs. As costs rise, capital budgets shrink and regulations become more restrictive, wastewater utilities continue to look for ways to improve the efficiency of managing their biosolids.

Mott MacDonald has been working with communities across the US to plan, design, and build biosolids treatment facilities that meet the unique needs of each community. Past projects have included all facets of biosolids management including traditional technologies and engineering solutions for conveyance, thickening, digestion, dewatering, transport, and disposal, as well as current trends to provide solutions to recover precious resources from biosolids: nutrients and energy.

We are at the forefront of the engineering and management solutions that utilize enhanced anaerobic digestion processes for improved stabilization, reduced volumes, and increased methane production that can be used for energy generation. We understand the importance of delivering sustainable solutions and have a proven track record for delivering projects that meet the unique needs of each facility: from small-town solutions to national integrated programs around the world.

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