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. 2015 Feb 25:13:12.
doi: 10.1186/s40201-015-0167-1. eCollection 2015.

Pretreatment of garden biomass using Fenton's reagent: influence of Fe(2+) and H2O2 concentrations on lignocellulose degradation

Vivek P Bhange  1 , Spm Prince William  2 , Abhinav Sharma  2 , Jagdish Gabhane  2 , Atul N Vaidya  2 , Satish R Wate  2
Affiliations

Pretreatment of garden biomass using Fenton's reagent: influence of Fe(2+) and H2O2 concentrations on lignocellulose degradation

Vivek P Bhange et al. J Environ Health Sci Eng. .

Abstract

Garden biomass (GB) is defined as low density and heterogeneous waste fraction of garden rubbish like grass clippings, pruning, flowers, branches, weeds; roots. GB is generally different from other types of biomass. GB is mostly generated through maintenance of green areas. GB can be processed for bio energy production as it contains considerably good amount of cellulose and hemicellulose. However, pretreatment is necessary to delignify and facilitate disruption of cellulosic moiety. The aim of the present investigation was to pretreat GB using Fenton's reagent and to study the influence of Fe(2+) and H2O2 concentrations on degradation of lignin and cellulose. The data were statistically analyzed using ANOVA and numerical point prediction tool of MINITAB RELEASE 14 to optimize different process variables such as temperature, concentration of Fe(2+) and H2O2. The results of the present investigation showed that Fenton's reagent was effective on GB, however, concentration of Fe(2+) and H2O2 play crucial role in determining the efficiency of pretreatment. An increase in H2O2 concentration in Fenton's reagent significantly increased the rate of cellulose and lignin degradation in contrast to increasing concentration of Fe(2+) ion which led to a decrease in lignocellulosic degradation.

Keywords: Cellulose; Fenton’s reagent; Garden biomass; Lignin; Pretreatment.

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Figures

Figure 1
Figure 1
Cellulose degradation (% w/w) as a function of Fe 2+ concentration (ppm) and H 2 0 2 concentration (ppm).
Figure 2
Figure 2
Lignin degradation (% w/w) as a function of Fe2 + concentration (ppm) and H 2 0 2 concentration (ppm).
See this image and copyright information in PMC

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