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Use of Processed Biomass Ash as a Sustainable Pozzolana


Affiliations
1 Department of Civil Engineering, Visvesvaraya National Institute of Technology, Nagpur 440 010, India
 

The industrial waste generated from sugar production, i.e. bagasse is further used as a biofuel. This generates a huge amount (44,000 tonnes/day) of waste in the form of sugarcane bagasse ash (SCBA). Asreceived boiler SCBA shows lower performance in terms of pozzolanic characteristics. In this study, the role of mechanical and thermal treatment in improving the pozzolanicity of SCBA has been examined. The preliminary characterization of SCBA was done using laser granulometry, SEM, XRF, XRD and TG analysis. The four methods were adopted to quantify the pozzolanic behaviour, viz. reactive silica determination, pozzolanic activity index, electrical conductivity drop and Chapelle activity. Further, the experimental data were analysed using ANOVA. The coefficient of regression (0.86–0.99) reflects effective and significant logarithmic models. The study concludes that the adopted processing of SCBA is highly effective in improving the pozzolanicity. Thus the processed SCBA is a sustainable solution to the cement industry.

Keywords

Biofuel, Cement Industry, Sugarcane Bagasse Ash, Sustainable Pozzolana.
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  • Use of Processed Biomass Ash as a Sustainable Pozzolana

Abstract Views: 348  |  PDF Views: 111

Authors

Vasudha D. Katare
Department of Civil Engineering, Visvesvaraya National Institute of Technology, Nagpur 440 010, India
Mangesh V. Madurwar
Department of Civil Engineering, Visvesvaraya National Institute of Technology, Nagpur 440 010, India

Abstract


The industrial waste generated from sugar production, i.e. bagasse is further used as a biofuel. This generates a huge amount (44,000 tonnes/day) of waste in the form of sugarcane bagasse ash (SCBA). Asreceived boiler SCBA shows lower performance in terms of pozzolanic characteristics. In this study, the role of mechanical and thermal treatment in improving the pozzolanicity of SCBA has been examined. The preliminary characterization of SCBA was done using laser granulometry, SEM, XRF, XRD and TG analysis. The four methods were adopted to quantify the pozzolanic behaviour, viz. reactive silica determination, pozzolanic activity index, electrical conductivity drop and Chapelle activity. Further, the experimental data were analysed using ANOVA. The coefficient of regression (0.86–0.99) reflects effective and significant logarithmic models. The study concludes that the adopted processing of SCBA is highly effective in improving the pozzolanicity. Thus the processed SCBA is a sustainable solution to the cement industry.

Keywords


Biofuel, Cement Industry, Sugarcane Bagasse Ash, Sustainable Pozzolana.

References





DOI: https://doi.org/10.18520/cs%2Fv116%2Fi5%2F741-750