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Effect of ink on the saccharification of waste office paper during the biodegradation with cellulase from Trichodermaviride at different temperatures

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Author Affiliations

  • 1Department of Pharmacology and Therapeutics, Medunsa Campus, University of Limpopo, SOUTH AFRICA

Int. Res. J. Biological Sci., Volume 3, Issue (8), Pages 40-45, August,10 (2014)

Abstract

Waste office paper is a major section of the organic part of solid waste that could be developed as a resource of bioenergy. The saccharification of waste cellulose a structural component of waste paper is an important step during the degradation of waste paper into glucose a fermentable sugar. The sugar yield during biodegradation of waste paper will determine the extent of a bioproduct such as bioethanol production. Waste office paper is covered to various extents with ink and this interaction between ink and paper limits the susceptibility of paper for the hydrolytic action of cellulase. Different masses of ink free waste office paper as well as office paper covered 50% and 100 % with ink were incubated with cellulose from Trichodermaviride at different temperatures. The extent of waste paper biodegradation has decreased with increased coverage of ink. Optimum degradation was concluded for ink free office paper followed by paper covered 50 % with ink with the lowest bioconversion experienced with office paper completely covered with ink. Maximum bioconversion of all three types of waste paper was observed during an incubation temperature of 40C and mass of 0,12 g per incubation mixture.

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