The effect of flocculants, shear, vacuum and depithing on the formation of thin bagasse pulp pads
Rainey, Thomas J., Moghaddam, Lalehvash, & Doherty, William O.S. (2010) The effect of flocculants, shear, vacuum and depithing on the formation of thin bagasse pulp pads. Nordic Pulp and Paper Research Journal, 25(4), pp. 434-440.
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The effect of bentonite micro-particles and cationic polyacrylamide (CPAM) on the filtration properties of bagasse pulp was investigated under shearing conditions. CPAM improves retention but the bentonite addition level must be optimised for further improvements in retention. A Dynamic Drainage Jar (‘Britt Jar’) was modified to allow bagasse pulp slurry to be subjected to vacuum allowing a thin pulp pad to be formed. Bagasse pulp which had had the majority of the fine fibre removed prior to pulping drained more quickly than a conventional bagasse pulp when vacuum was not applied, however this situation was reversed when vacuum was used. The flocculants continue to improve fibre retention under vacuum and shear conditions but with reduced effectiveness.
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|Item Type:||Journal Article|
|Keywords:||Bagasse, filtration, microparticle, Depithing, flocculant|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Timber Pulp and Paper (091210)|
|Divisions:||Current > Research Centres > Centre for Tropical Crops and Biocommodities|
|Copyright Owner:||Copyright 2010 The Swedish Association of Pulp and Paper Engineers|
|Deposited On:||20 Dec 2010 11:26|
|Last Modified:||01 Mar 2012 00:27|
Available Versions of this Item
- The effect of flocculants, shear, vacuum and depithing on the formation of thin bagasse pulp pads. (deposited 18 Nov 2010 10:19)
- The effect of flocculants, shear, vacuum and depithing on the formation of thin bagasse pulp pads. (deposited 20 Dec 2010 11:26)[Currently Displayed]
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