(1) activated carbon loaded with filtered water after washing and backwashing (no residual chlorine of filtered water).
(2) drain to the filter surface 10-15 cm, with 3% to 50% HCI soak 12-24h.
(3) the discharge of waste acid, with water is washed into the water alkalinity equal; in the cation exchanger after the activated carbon filter is washed to the water hardness is less than 2mmo1 / L.
(4) activated carbon transport loading and unloading methods should be used to transport carbon, can also be used artificial carbon.