Qteros & Applied CleanTech Unveil Sludge-to-Ethanol Technology

Recyllose, a recycled solids-based material produced from municipal wastewater, can now be turned into fuel for cars, according to Applied Cleantech and Qteros. Qteros has entered into a joint development project with Applied CleanTech (ACT) to use ACT’s Recyllose-based feedstock, produced from municipal wastewater solids, for ethanol production.

ACT’s Sewage Recycling System (SRS) for wastewater solids produces feedstocks for the production of electricity or ethanol, while reducing sludge formation and lowering wastewater treatment plant costs and increasing plant capacity.

The companies said they are the first to demonstrate commercial success in creating ethanol from the cellulose in municipal and agricultural liquid waste and to offer a process that all municipalities can use to help reduce expenses.

“Our customer is every municipality that has a wastewater treatment plant,” said Jeff Hausthor, Qteros co-founder and senior project manager. “It will provide a value-added product for municipal waste water plants, thereby making treatment plants much less expensive to run and helping local governments throughout the world with their constrained budgets.”

ACT has spent six years developing its integrated sewage recycling solution. Its Recyllose-based feedstock offers high cellulose content and low moisture, facilitating more efficient ethanol production, the company said.

By using ACT’s proprietary feedstock, Hausthor said Qteros and ACT’s researchers have found that an ethanol production plant can produce 120–135 gallons of ethanol per ton of Recyllose.

The research has been supported in part by a grant from the Binational Industrial Research and Development (BIRD) Foundation. The BIRD Foundation funds joint efforts between Israel and the United States.

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