Fig. 5: Sludge volumes generated after 3 min of settling (SV3min) in softening with ballasted flocculation (SBF) with different dosages of various polymer flocculants (color coded) (n = 3, means ± standard deviations). | npj Clean Water

Fig. 5: Sludge volumes generated after 3 min of settling (SV3min) in softening with ballasted flocculation (SBF) with different dosages of various polymer flocculants (color coded) (n = 3, means ± standard deviations).

From: Development of softening and ballasted flocculation as a pretreatment process for seawater desalination through a reverse osmosis membrane

Fig. 5

Six types of anionic polymers (AP199, AP335B, AP825B, AP335PWS, AP120PWS, and AP410PWS) and one nonionic polymer (NP800PWS) were tested.

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