Hong Kong PHE: Treated Clear, Untreated Blocked 3 ft
A treated plate heat exchanger stayed largely unblocked over six months while its untreated twin blocked to 3 ft, holding 14-18% higher seawater flow.
Application: Biofouling
Great Lakes Plant: 200M Gallons and $350K Saved a Year
A 700MW Great Lakes power plant cut scale and corrosion inhibitor use by 75.5% and saved 200 million gallons a year across its 10-cell cooling tower.
Comano: Legionella Under 10 CFU/L for Seven Months
Grand Hotel Terme di Comano brought every certified Legionella sample below 10 CFU/L and stayed within limits for seven months with three QEQI® units.
Chile Desalination: 223 Days No Intake Cleaning
A Chile desalination plant kept its seawater intake line clear of mussels for 223 days with a QEQI® Custom i20″ unit, while the control line fouled.
China LNG Plant: 97% Less Bacteria, $56k Saved
Two QEQI® Multihead 50″ units cut bacteria 97% and improved condenser performance at an LNG power plant in China.
Car Carrier Cooling: Barnacles Gone, No Chemicals
A car carrier cleared barnacles from its main seawater cooling system with a QEQI® Marine Custom 12″ unit, no chemicals used.
Cape Town Seawater Line: Mussels Out, Flow Restored
A 6-month trial cleared marine growth from a 200mm seawater line feeding a heat exchanger at Cape Town’s V&A Waterfront.