Bitzer Enters Waste Heat to Power Market with Acquisition

Bitzer entered the waste heat to power market by acquiring Reno, Nev.-based ElectraTherm, which generates power from low temperature waste heat using organic rankine cycle (ORC) and patented technology.

ElectraTherm’s Power+ Generator utilizes waste heat on applications such as internal combustion engines, biomass boilers, flare gas (at oil and gas wells, wastewater treatment plants and landfills) and geothermal/co-produced fluids. It uses ORC technology to capture waste heat and convert it to clean electricity. The waste heat is used to produce a high pressure vapor that expands through ElectraTherm’s twin screw power block, spinning an electric generator to produce fuel- and emission-free power to be consumed on site or exported to the grid. After turning the expander, the vapor is condensed back into liquid through a liquid loop radiator.

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Avoiding scale, corrosion and microbiological growth — all of which diminish effective heat transfer — is the focus of any water treatment approach for water-contacted process heating and cooling equipment.