![](http://uploads.wsm-i.com/cache/images/2016-03-Rotate_20151208_0356-746x478.jpg)
Maintenance of Unit2 rotating filter
Maintenance , closing and reopening of the upstream and downstream pen-stocks as well as
replacement of the two chains and the filtration units.
Maintenance , closing and reopening of the upstream and downstream pen-stocks as well as
replacement of the two chains and the filtration units.