Shane Usher

Rheological characterisation of synthetic and fresh faeces to inform on solids management strategies for non-sewered sanitation systems

Edwina Mercer, Shane P Usher, Ewan J McAdam, Brian Stoner, Yadira Bajón-Fernández

Journal article  |  2021  |  Journal of Environmental Management

Epidemiological evaluation of sewage surveillance as a tool to detect the presence of COVID-19 cases in a low case load setting

Jim Black, Phyo Aung, Monica Nolan, Emma Roney, Rachael Poon, Daneeta Hennessy, Nicholas D Crosbie, Dan Deere, Aaron R Jex, Nijoy John, Louise Baker, Peter J Scales, Shane P Usher, David T McCarthy, Christelle Schang, Jonathan Schmidt, Steven Myers, Natacha Begue, Christine Kaucner, Bruce Thorley, et al.

Journal article  |  2021  |  SCIENCE OF THE TOTAL ENVIRONMENT

In low prevalence settings the development of sensitive and specific quantitative Reverse Transcription Polymerase Chain Reaction ..

On the compressional rheology of fresh faeces: Evidence for improving community scale sanitation through localised dewatering.

Edwina Mercer, Shane P Usher, Ewan J McAdam, Brian Stoner, Yadira Bajón-Fernández

Journal article  |  2021  |  Water Res

Non-sewered sanitation is currently dependant upon pit latrine emptying, the safety of which is compromised by the high costs of f..

Modeling the agglomeration of settling particles in a dewatering process

Amin Rahmat, Daniel Weston, Daniel Madden, Shane Usher, Mostafa Barigou, Alessio Alexiadis

Journal article  |  2020  |  PHYSICS OF FLUIDS

In this study, the agglomeration of settling particles in a dewatering process is studied numerically. The numerical model is base..

Development of a method for determining the maximum van der Waals force to analyze dispersion and aggregation of particles in a suspension

K Kushimoto, S Ishihara, S Pinches, ML Sesso, SP Usher, GV Franks, J Kano

Journal article  |  2020  |  Advanced Powder Technology

A new method for determining the maximum value of the van der Waals force, Fv,max, has been developed to analyze the dispersion an..

Compartmentalization of extracellular polymeric substances (EPS) solubilization and cake microstructure in relation to wastewater sludge dewatering behavior assisted by horizontal electric field: Effect of operating conditions

Bingdi Cao, Weijun Zhang, Youjing Du, Ruilu Wang, Shane P Usher, Peter J Scales, Dongsheng Wang

Journal article  |  2018  |  WATER RESEARCH

Sludge treatment and disposal have become important environmental issues in China. Mechanical dewatering is widely used to reduce ..

Analysis of Centrifugal Settling of Strongly Flocculated Suspensions

SJ Skinner, A STICKLAND, LR White, DR Lester, SP Usher, PJ Scales

Conference Proceedings  |  2016

Quantification of wastewater sludge dewatering

Samuel J Skinner, Lindsay J Studer, David R Dixon, Peter Hillis, Catherine A Rees, Rachael C Wall, Raul G Cavalida, Shane P Usher, Anthony D Stickland, Peter J Scales

Journal article  |  2015  |  WATER RESEARCH

Quantification and comparison of the dewatering characteristics of fifteen sewage sludges from a range of digestion scenarios are ..

Designing thickeners by matching hindered settling and gelled suspension zones in the presence of aggregate densification

Yi Zhang, Paul Grassia, Alastair Martin, Shane P Usher, Peter J Scales

Journal article  |  2015  |  CHEMICAL ENGINEERING SCIENCE

A model is presented for design of a thickener for solid-liquid separation where the flocs or aggregates within the solid-liquid s..

Mathematical modelling of batch sedimentation subject to slow aggregate densification

Yi Zhang, Paul Grassia, Alastair Martin, Shane P Usher, Peter J Scales

Journal article  |  2015  |  CHEMICAL ENGINEERING SCIENCE

This paper considers an initially networked suspension in a batch settler subjected to very slow aggregate densification. The so-c..