Fig. 7

Comparison of sludge dehydration in artificial and actual seawater samples after conventional softening and softening with ballasted flocculation (SBF), obtained in a Buchner funnel test (n = 3, means ± standard deviations).

Comparison of sludge dehydration in artificial and actual seawater samples after conventional softening and softening with ballasted flocculation (SBF), obtained in a Buchner funnel test (n = 3, means ± standard deviations).