Anaergia signs Singapore contract

The anaerobic digester technology provider will install a system to handle 400 tons per day of food waste in the island nation.

Burlington, Ontario-based Anaergia Inc. has announced signing a contract to supply its anaerobic digestion (AD) organic waste treatment technology to the joint venture selected by Singapore’s National Environment Agency (NEA) to operate its Tuas Nexus Integrated Waste Management Facility (IWMF).

The newly signed Engineering, Procurement and Construction Package 2 (EPC2) contract will involve a 400-metric-tons-per-day Food Waste Treatment Facility (FWTF), which Anaergia will help design and build. The construction of the facility “will be a key step towards realizing Singapore’s vision of becoming a zero-waste economy,” Anaergia says.

Singapore’s NEA awarded the EPC2 contract to a joint venture between UES Holdings Pte. Ltd. (UESH) and China Harbour (Singapore) Engineering Company Pte. Ltd. (CHEC). The joint venture’s submitted proposal was evaluated based on process design and optimization, resource efficiency, Singapore’s Green Mark initiatives, plant layout, and value for the cost.

Anaergia says its proprietary technologies will enable the FWTF to be Singapore’s primary facility for the treatment of source-segregated food waste. The facility will use Anaergia technology that first separates inorganic materials from food waste. The food waste fraction will be processed into a slurry that will be anaerobically co-digested with used water sludge at the Tuas Water Reclamation Plant (Tuas WRP) to produce biogas. “The co-digestion of food waste slurry and used water sludge will increase biogas production at Tuas WRP and improve energy recovery from waste while optimizing land use,” according to Aneargia.

Tuas Nexus will be Singapore’s first integrated water and solid waste treatment facility and is being designed to meet Singapore’s long-term solid waste management and used water treatment needs.

“Food waste treatment is a critical component of this project, and Anaergia’s world-leading proven technologies are what make this combined treatment of food and used water sludge possible,” says Dr. Zhou Tong, project director with the UESH-CHEC joint venture. “We are happy to partner with Anaergia to build this landmark facility.”

Andrew Benedek, Anaergia’s board chair and CEO, says “Singapore is already a world leader in used water treatment. By developing two world-leading facilities and then integrating them, Singapore becomes a global leader in the handling of human liquid and solid waste in an optimized manner. This mega facility is Anaergia’s third project in Singapore and is supported by our Asia Pacific regional offices, which are located there. This contract, together with our recently announced contract in Okayama, Japan, adds around CAD$46 million ($35.7 million) to Anaergia’s backlog. We look forward to continuing to support Singapore in achieving its sustainable infrastructure goals as it implements Green Plan 2030.”

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