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Comment Environment, Health, Safety & Security

An energy-saving bioreactor for wastewater treatment

By Scott Jenkins |

A bioreactor technology for removing organic and inorganic contaminants from industrial wastewater has been commercially launched by developer Honeywell and its subsidiary UOP LLC (Des Plaines, Ill.; www.uop.com). The launch is part of a wider initiative by UOP to respond to customer needs as it enters the industrial wastewater-treatment business. The XCeed bioreactor (diagram)is unique in its use of a mixed-media support for immobilized microbes. In contrast to alternative biological wastewater-treatment systems, including membrane bioreactors that use stirred-tanks to distribute the microbes, XCeed employs a fixed cell media that is populated by microbes. Influent wastewater flows through the immobilized cells, where contaminants are removed. “The fixed bed of immobilized microbes allows us to create higher microbial densities and more sophisticated microbial communities,” says Alan Greenberg, UOP senior water business manager. “And since the bugs are fixed, there is no need for mechanical stirring, which reduces energy usage by up to 60%” compared to alternative biological wastewater treatment systems, adds Abigail Antolovich, strategic marketing manager for UOP’s water-treatment business. The immobilized-cell…
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