Alternatives for the Management of Industrial Forest Waste: Energy, Bioethanol, and Cellulose Pulp

Leonardo Clavijo, Mairan Guigou, Norberto Cassella, Gaston Cortizo, Florencia Risso, Lucia Velazco, Mario Daniel Ferrari, Claudia Lareo and Maria Noel Cabrera

A chapter in Recycling Strategy and Challenges Associated with Waste Management Towards Sustaining the World from IntechOpen

Abstract: Modern kraft pulp mills generate solid waste of 1-2% of incoming debarked wood. Given the size of these plants, with an annual production capacity of at least 1000,000 tons, each plant generates 20,000-30,000 dry tons of waste per year. The largest current use of these residues is for combustion in biomass boilers for steam and power generation. However, the conversion of biomass into biofuels and chemicals is gaining interest due to increasing demands for energy, limited sources of fossil fuels, and growing concerns about the environmental impact of greenhouse gas emissions. This chapter shows the laboratory-scale results of the use of eucalyptus wood wastes to obtain cellulose pulp by alkali pulping reinforced with hydrogen peroxide to obtain alkaline peroxide mechanical pulp or cellulosic bioethanol. Based on the results, an industrial-scale techno-economic analysis of the processes is presented and compared with current alternatives for energy generation.

Keywords: eucalyptus residues; APMP; bioethanol; valorization; industrial forest waste (search for similar items in EconPapers)
JEL-codes: Q53 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:282843

DOI: 10.5772/intechopen.107528

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