supported by the National Natural Science Foundation of China (No. 20407004, 50578012, 50178009);the High-Tech Research and Development Program (863) of China (No. 2007AA06Z301);the Fok Ying Tung Education Foundation of National Education Ministry of China (No. 91078);the Beijing Municipal Commission of Education Project, Program for New Cen- tury Excellent Talents in University (No. NCET-06-0120);the Beijing Nova of Science and Technology, Beijing Key Subject (No. XK100220555).
The fractal dimensions in different topological spaces of polyferric chloride-humic acid (PFC-HA) flocs, formed in flocculating different kinds of humic acids (HA) water at different initial pH (9.0, 7.0, 5.0) a...