𝔖 Bobbio Scriptorium
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White biotechnology for cellulose manufacturing—The HoLiR concept

✍ Scribed by Dana Kralisch; Nadine Hessler; Dieter Klemm; Rainer Erdmann; Wolfgang Schmidt

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
648 KB
Volume
105
Category
Article
ISSN
0006-3592

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✦ Synopsis

Abstract

A variety of approaches are available for generation of bacteria‐produced nanocellulose (BNC) in different forms. BNC production under static cultivation conditions usually results in fleeces or foils, characterized by a homogeneous, three‐dimensional network of nanofibers and a uniform surface. However, under static cultivation conditions in batch vessels, the widths and the lengths of the BNC sheets cultured are determined by the dimensions of the culture vessel. In this contribution, a novel, efficient process for a (semi‐)continuous cultivation of planar BNC fleeces and foils with a freely selectable length and an adjustable height is presented. By means of comprehensive investigations, the comparability of the BNC harvested to that gained from static cultivation under batch conditions is demonstrated. A first estimation of the production costs further shows that this type of processing allows for significant cost reductions compared to static cultivation of BNC in Erlenmeyer flasks. Biotechnol. Bioeng. 2010. 105: 740–747. © 2009 Wiley Periodicals, Inc.

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