Method for retarding the evaporation of water

摘要

Compositions and methods for suppressing and/or retarding the evaporation of water from dry cooling towers. The compositions contain: from 99.5 to 99.9 wt. percent of a light lubricating oil; 0.1 to 0.5 weight percent of an alkaline earth metal sulfonate and 30 to 150 parts per million of a polyacrylate-based defoaming agent.