Less DO 0.5-2 ppm is enough, No need to increasing to 4, 8 ppm. energy saving would be concerned,

Published January 17, 2022 18:04 by AGGASIT DAD, Energy and Environmental including CDM and Innovation Project Consultant Freelancer

Less DO 0.5-2 ppm is enough, No need to increasing to 4, 8 ppm. energy saving would be concerned,