Water usage in commercial buildings accounts for nearly 10 percent of all water used in the United States, according to the U.S. Department of Energy. Buildings that use cooling towers for evaporative cooling can reduce water usage by employing more efficient water treatment technology. Non-chemical water treatment systems have the potential to significantly reduce water consumption, by increasing cycles; energy consumption, by improving the efficiency of building chillers; and chemical discharge into wastewater systems, by decreasing or eliminating the need for chemical additives.
Preliminary Technology Assessments
The many non-chemical water treatment technologies evaluated in this project promise to conserve water and reduce the cost of conventional chemicals that are used to treat water circulated through chiller condensers and cooling towers.