Abstract: Abstract:Taking the treatment of high acid consumption incident of Hunan Huadian Changsha Power Generation Company Limited as example, the factors, which may leading to acid consumption increasing, such as the source water quality, the resin quality, the resin quantity, the pollution, the equipment factors, the acid quality, the regeneration parameter control, the water temperature and others, were analyzed term by term. Aiming at different influencing factors, different treatment measures were adopted, and obvious result was obtained.

Key words: Keywords:acid consumption, positive ion exchanger, source water quality, resin