Demonstration of Advanced Primary and Secondary Treatment Technologies for Energy and Performance Benefits to Wastewater Treatment
Funded by California Energy Commission (EPC-20-044) Budget: Approx 6.7 M
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The project includes the design, installation, demonstration, and evaluation of advanced primary treatment (APT) and advanced secondary treatment (AST) technologies, which can achieve significant energy savings at wastewater treatment plants (WWTPs) compared to conventional primary treatment (CPT) and conventional secondary treatment (CST) systems. The project will document the first application of combining full-scale APT and AST technologies in a holistic, integrated system that quantifies their complementary performance. Additional benefits of APT, AST, and combined APT and AST systems include increased treatment performance and increased treatment capacity and reductions in greenhouse gas emissions, energy consumption, and treatment footprint.
CWT has demonstrated four APT technologies including the Cloth Disk Filter, Proteus Filter, Compressible Membrane Biofilter, and the Micro-Screens. In addition, three AST processes (MicroVi, Aerobic Granular Sludge and Membrane Aerated Biofilm Reactor) are demonstrated side by side to evaluate the performance of these technologies. CWT has collaborated with technology partners, utilities, and consultants. The project aims to provide
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aeration energy savings of up to 65%
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footprint reduction up to 50%
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increase in secondary treatment capacity of 30-40%
The project initiated in 2021 and will be completed in 2025.
