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Anaergia to upgrade Californian WWTP

Anaergia to upgrade Californian WWTP
The Riverside Water Quality Control Plant (RWQCP) in Riverside, California (CA) comprises two treatment plants and a common tertiary filtration plant, managing up to 46 million gallons per day (MGD) of wastewater (photo courtesy RWQCP).

Canada-headed biogas technology major Anaergia Inc. (Anaergia) has announced that its subsidiary, Anaergia Technologies LLC has entered into a technology supply contract with the City of Riverside, California (CA), to upgrade anaerobic digestion (AD) wastewater infrastructure at the Riverside Water Quality Control Plant (RWQCP) with Anaergia technology that will produce renewable natural gas (RNG) from organic waste and sewage sludge.

The technology supply contract, valued at approximately CA$13 million over its term, is intended to support the development of an RNG facility by another Anaergia subsidiary under an existing long-term lease with the City.

Funding by the City is expected to be supported, in part, by grants from the California Department of Resources Recycling and Recovery (Calrecycle) and federal incentives under the Inflation Reduction Act (IRA).

This project leverages Anaergia’s proven technology, enhances infrastructure, and will bring economic benefits to the municipality. The City of Riverside is the latest of a series of California municipalities to work with Anaergia to create renewable fuel and energy from organic waste, benefiting the environment and the communities served, said Assaf Onn, CEO of Anaergia.

Increase organic waste recycling and reduce methane emissions

The RWQCP serves a population of over 300,000 people with a 46 million gallon per day state-of-the-art treatment capacity.

The project aligns with the City of Riverside’s strategic plan to enhance existing infrastructure, environmental stewardship, high-performing government, and support California State-wide organic waste recycling requirements.

The upgraded anaerobic digestion technologies and new waste-receiving equipment will assist the region’s solid waste industry by enabling the diversion of food waste from regional landfills to advance compliance with California’s SB1383 legislation.

The new law is designed to reduce planet-warming methane emissions created when food and other organic wastes are landfilled.

This project enables the City of Riverside to support our community to meet California’s SB 1383 regulations for organic waste recycling while also improving our digestion infrastructure and reducing costs. The project, supported by the State of California, will serve to reduce our municipality’s carbon footprint, improve resiliency, and reduce costs, which ultimately benefits our community, said Ed Filadelfia, the Deputy Director of Public Works for the City of Riverside.

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