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

Driessel Brian van | Zendy; Christov Lew | Zendy

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

Author(s) -

Driessel Brian van,

Christov Lew

Publication year - 2002

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.535

Subject(s) - bleach , effluent , biomass (ecology) , chemistry , pulp and paper industry , chitosan , adsorption , botany , cell wall , fraction (chemistry) , chitin , chromatography , biology , environmental engineering , agronomy , organic chemistry , environmental science , engineering

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

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