Invention Could Reduce Chiller Energy Use

Patent application #17/114,902, “Cooling Water Treatment Composition for Decreasing Energy Use,” was filed by ProChemTech International Inc. with the U.S. Patent and Trademark office.

The application discloses a new chemistry that can be added to almost all existing cooling water treatment compositions in the amount of 5 mg/l active to substantially decrease the surface tension of the treated water. Decreasing the surface tension of water increases it ability to transfer heat, thus reducing the energy use by HVAC systems. Current estimates are that this invention can reduce energy use of HVAC chillers by 5 to 15 percent. Inventors are Megan Briody, laboratory director, and Timothy Keister, chief chemist.

ProChemTech’s main office, laboratory and equipment and chemical manufacturing facility is located in Brockway, Pa. The company has a second chemical manufacturing facility and service center in Apache Junction, Ariz.

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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.