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Adsorption of colour from a bleach plant effluent using biomass and cell wall fractions from Rhizomucor pusillus

✍ Scribed by Brian van Driessel; Lew Christov


Publisher
Wiley (John Wiley & Sons)
Year
2002
Tongue
English
Weight
88 KB
Volume
77
Category
Article
ISSN
0268-2575

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✦ Synopsis


Abstract

Relatively high decolourisation of bleach plant effluent (41%–48%) could be attained in short treatment times using biomass of Rhizomucor pusillus, a mucoralean fungus. Cell wall fractions (alkali‐resistant, residual and chitosan fractions) extracted from the R pusillus biomass appeared to be mainly responsible for the adsorption of chromophores from bleach plant effluent by this fungus. The alkali‐resistant fraction removed 34% of the colour from bleach plant effluent. Although the residual and chitosan fractions represented only about 12% of the total dry biomass, they removed more colour from bleach plant effluent (41%) than did the intact biomass (39%). The chitosan and residual cell wall fractions, mainly composed of chitin and/or chitosan, seem to be involved in the mechanism of colour removal from bleach plant effluent by R pusillus.

© 2002 Society of Chemical Industry