APPARATUS FOR CONTROLLING WATER QUALITY AT OUTLET SIDE OF FILTER PLANT IN ESTIMATION OF VARIATION IN WATER QUALITY WITHIN WATER DISTRIBUTING PIPE NETWORK

摘要

PURPOSE:To provide apparatus for controlling water quality at the outlet side of a filter plant in estimation of the variation in water quality within a water distributing pipe network, wherein the quantity of hydrochloric acid to be charged at the outlet side of a filter plant is determined, and the control of the apparatus is facilitated whereby water quality at the terminal end of the apparatus is highly elevated.