| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of recovering and maintaining dechlorination capability of activated carbon, which can effectively recover and maintain the dechlorination capability of the activated carbon used for dechlorination treatment. <P>SOLUTION: In a production process of drinking water, which has a process of adding a chlorine agent to water treated with a reverse osmosis membrane, and thereafter letting the treated water through a dechlorination treatment tank provided with the activated carbon, a method of recovering dechlorination capability of the activated carbon in the production process of drinking water comprises cleaning of the dechlorination treatment tank with acid-added water added with an acid to recover the dechlorination capability of the activated carbon. <P>COPYRIGHT: (C)2012,JPO&INPIT |
