Transfer and degradation of polyacrylamide-based flocculants in hydrosystems: a review

AG Guezennec, C Michel, K Bru, S Touzé… - … Science and Pollution …, 2015 - Springer
The aim of this review was to summarize information and scientific data from the literature
dedicated to the fate of polyacrylamide (PAM)-based flocculants in hydrosystems …

Population balance modelling of particle flocculation with attention to aggregate restructuring and permeability

RI Jeldres, F Concha, PG Toledo - Advances in colloid and interface …, 2015 - Elsevier
A population balance model based on a detailed literature review is used to describe
coagulation and flocculation kinetics as well as the time evolution of aggregate size …

Effects of Al3+ on the microstructure and bioflocculation of anoxic sludge

L Zhang, J Zheng, S Tian, H Zhang, X Guan… - Journal of …, 2020 - Elsevier
The aluminum ions generated from mining aluminum, electrolytic aluminum and the
industrial production of aluminum-based coagulants (such as AlCl 3 and Al 2 (SO 4) 3) enter …

Variations in the molecular weight response of anionic polyacrylamides under different flocculation conditions

A Costine, J Cox, S Travaglini, A Lubansky… - Chemical Engineering …, 2018 - Elsevier
The influence of applied mixing (intensity and duration), solids concentration, and liquor
chemistry on the molecular weight (MW) response of seven anionic (30%) polyacrylamides …

Effect of shear rate on aggregate size and structure in the process of aggregation and at steady state

P Bubakova, M Pivokonsky, P Filip - Powder Technology, 2013 - Elsevier
The paper deals with the dependence of aggregate properties on the shear rate (G) in the
aggregation process and at steady state. Natural raw water and ferric sulphate were …

Effect of energy input on flocculation process and flotation performance of fine scheelite using sodium oleate

W Chen, Q Feng, G Zhang, L Li, S Jin - Minerals Engineering, 2017 - Elsevier
We have investigated the effect of energy input on the flocculation process and flotation
behavior of fine scheelite of less than 10 µm size. Sodium oleate was used as a dual …

Enhancing gravity thickener feedwell design and operation for optimal flocculation through the application of computational fluid dynamics

PD Fawell, TV Nguyen, CB Solnordal… - Mineral Processing …, 2021 - Taylor & Francis
As the expectations for more consistent and higher density thickened and paste tailings in
the minerals industry increase, so do the demands on flocculation performance within …

Sedimentation and consolidation of different density aggregates formed by polymer-bridging flocculation

FA Benn, PD Fawell, J Halewood, PJ Austin… - Chemical Engineering …, 2018 - Elsevier
There are numerous models of sedimentation in fine particle suspensions, derived from or
validated with physical measurements. Such models could be applied to optimise and …

Bridging flocculation by polymers

R Hogg - KONA Powder and Particle Journal, 2013 - jstage.jst.go.jp
A comprehensive evaluation of flocculation processes is presented with emphasis on
physical and engineering aspects. Flocculation by polymer bridging involves three basic sub …

Hydraulic mineral waste transport and storage

L Pullum, DV Boger, F Sofra - Annual Review of Fluid …, 2018 - annualreviews.org
Conventional mineral waste disposal involves pumping dilute concentration suspensions of
tailings to large catchment areas, where the solids settle to form a consolidated base while …