Downing, C.M., and McBain, G.D. (2000) Towards understanding the pressure dependence of hygroscopic water. In: Proceedings of the 22nd Annual Conference of the Australian Society of Sugar Cane Technologists (22) pp. 361-367. From: ASSCT 2000: 22nd Annual Conference of the Australian Society of Sugar Cane Technologists, 2-5 May 2000, Bundaberg, QLD, Australia.

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Abstract

This paper presents a review of water sorption by cellulose, often referred to as hygroscopic or Brix-free water. Of particular interest is the apparent dependence of hygroscopic water on interparticulate ('effective') stress. The analysis suggests that the level of 25% currently assumed in the Australian industry is reasonable at low fibre compactions but at high compactions a much lower value, approximately 8%, may be more appropriate. It is hypothesised that a link exists between cell wall collapse and the reduction of hygroscopic water with increasing effective stress. It is concluded that hygroscopic water must be defined in terms of temperature, solution concentration, (vapour or) pore pressure and effective stress in the fibre skeleton.

Item ID:	14541
Item Type:	Conference Item (Research - E1)
ISBN:	0726-0822
Keywords:	brix-free water; effective stress; hygroscopic water; sorption
Related URLs:	Organisation
Funders:	Bureau of Sugar Experiment Stations (BSES)
Date Deposited:	15 Dec 2017 01:37
FoR Codes:	09 ENGINEERING > 0913 Mechanical Engineering > 091399 Mechanical Engineering not elsewhere classified @ 100%
SEO Codes:	97 EXPANDING KNOWLEDGE @ 100%
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