Pressure filtration of Australian bagasse pulp


Autoria(s): Rainey, Thomas J.; Doherty, William O.S.; Martinez, D. Mark; Brown, Richard J.; Kelson, Neil A.
Data(s)

2010

Resumo

A one-dimensional pressure filtration model that can be used to predict the behaviour of bagasse pulp has been developed and verified in this study.The dynamic filtration model uses steady state compressibility parameters determined experimentally by uniaxial loading. The compressibility parameters M and N for depithed bagasse pulp were determined to be in the ranges 3000–8000kPa and 2.5–3.0 units, respectively. The model also incorporates experimentally determined steady state permeability data from separate experiments to predict the pulp concentration and fibre pressure throughout a pulp mat during dynamic filtration. Under steady state conditions, a variable Kozeny factor required different values for the permeability parameters when compared to a constant Kozeny factor. The specific surface area was 25–30% lower and the swelling factor was 20–25% higher when a variable Kozeny factor was used. Excellent agreement between experimental data and the dynamic filtration model was achieved when a variable Kozeny factor was used.

Formato

application/pdf

Identificador

http://eprints.qut.edu.au/38600/

Publicador

Springer

Relação

http://eprints.qut.edu.au/38600/3/38600.pdf

DOI:10.1007/s11242-010-9649-x

Rainey, Thomas J., Doherty, William O.S., Martinez, D. Mark, Brown, Richard J., & Kelson, Neil A. (2010) Pressure filtration of Australian bagasse pulp. Transport in Porous Media, 86(3), pp. 737-751.

Direitos

Copyright 2010 Springer

The original publication is available at SpringerLink http://www.springerlink.com

Fonte

Centre for Tropical Crops and Biocommodities; Faculty of Built Environment and Engineering; High Performance Computing and Research Support

Palavras-Chave #090400 CHEMICAL ENGINEERING #090500 CIVIL ENGINEERING #filtration #bagasse #pulp #dynamic #permeability
Tipo

Journal Article