linkedin post 2014-09-13 08:13:07
BIOFILTRATION HELPS. "Although pre-ozonation may increase the formation of trihaloacetaldehydes or selected HNMs during post-chlorination or chloramination, biofiltration may reduce the formation potential of these by-products." http://rsta.royalsocietypublishing.org/content/367/1904/4077.full View in LinkedIn