The role of particle size and density in dissolved air flotation and sedimentation

A Vlaški, AN Van Breemen, GJ Alaerts - Water Science and Technology, 1997 - Elsevier
water, noted in the practice of many surface water treatment … define the resulting particle
(floc) size distribution. Apart from … between floc size (distribution) and the floc density that plays …

A two-scale PBM for modeling turbulent flocculation in water treatment processes

J Ducoste - Chemical Engineering Science, 2002 - Elsevier
… The solids density is then used in Eq. (9) to predict the … of both the two scales of turbulent
motion in the impeller discharge region on the fracture of water treatment floc particles. …

Characterization of flocs and floc size distributions using image analysis

S Sun, M Weber-Shirk, LW Lion - Environmental Engineering …, 2016 - liebertpub.com
… }$$ \) is the density of water, d clay is the diameter of the primary particles, d is the floc diameter,
and D … process will, in turn, contribute to the optimization of water treatment plant design. …

Physical and chemical properties of activated sludge floc

AD Andreadakis - Water research, 1993 - Elsevier
… A strong correlation between floc density and size was obtained. The specific surface
areas measured (typically 100-200 m 2 gt dry sludge) were found to be one to two orders of …

Effect of coagulation conditions on membrane filtration characteristics in coagulation− microfiltration process for water treatment

JD Lee, SH Lee, MH Jo, PK Park, CH Lee… - … Science & Technology, 2000 - ACS Publications
… The characteristics of floc and treated water largely have been reported to highly depend
on … It was reported that flocs formed by the sweep-floc mechanism have much lower density

Assessment and optimization of coagulation process in water treatment plant: A review

DPW Sheng, MR Bilad… - ASEAN Journal of Science …, 2023 - ejournal.kjpupi.id
… glass to improve the floc formation - Potential to treat surface water - Increased the floc
density and sedimentation speed of flocs - Improved removal of turbidity in humic-rich raw water

Parameters affecting steady-state floc blanket performance

M Hurst, M Weber-Shirk, LW Lion - … of Water Supply: Research and …, 2010 - iwaponline.com
… a water treatment process sequence of rapid mix, hydraulic flocculation, upflow clarification
with a floc blanket, … between the bulk density of the fluidized bed (rbulk floc) and the density of …

Impact of preozonation on the performance of coagulated flocs

T Li, X Yan, D Wang, F Wang - Chemosphere, 2009 - Elsevier
… Ozone have been widely used as pre-oxidant before conventional water treatmentFlocs
density Free settling testing was employed to measure the settling velocity and the flocs density

Experimental analysis of floc size distribution under different hydrodynamics in a mixing tank

D Bouyer, A Liné, Z Do‐Quang - AIChE Journal, 2004 - Wiley Online Library
… This coagulation/flocculation step is a major process in drinking water treatment plants. The
… the flocs have a density close to that of water, there is almost no settling, so the flocs follow …

Application of flocs analysis for coagulation optimization at the Split Lake water treatment plant

Y Geng - 2006 - mspace.lib.umanitoba.ca
… of PACl flocs were superior to those of alum flocs, especially at the … PACl flocs was relatively
smaller than that of alum flocs. The … The density and number of coagulation flocs were not …