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Cotreatment for low-cost fermentation of cellulosic Brazilian biomass

Grant number: 16/06417-9
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): July 01, 2016
Effective date (End): December 31, 2016
Field of knowledge:Engineering - Chemical Engineering
Principal Investigator:Rubens Maciel Filho
Grantee:William Eduardo Herrera Agudelo
Supervisor abroad: Lee Rybeck Lynd
Home Institution: Faculdade de Engenharia Química (FEQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Local de pesquisa : Dartmouth College, United States  
Associated to the scholarship:12/24326-0 - Modeling and control processes for first and second generation ethanol production applying neural networks, BP.DR

Abstract

There is a need for conversion of lignocellulosic biomass to fermentable sugars for the production of ethanol and others biofuels that represents a major challenge in global efforts to utilize renewable resources in place of fossil fuels to meet rising energy demands. Overcoming the recalcitrance (resistance of plant cell wall to disruption) of lignocellulosic biomass is an important barrier in the production of fuels and chemicals. Different approaches have been proposed to deconstruct the lignocellulosic biomass. However, none has proven to be entirely satisfactory as a stand-alone strategy. This proposal of research internship abroad aims to identify and evaluate a new, potentially transformative approach to overcome the recalcitrance barrier: physical disruption during biological processing - termed "cotreatment". This approach could radically lower costs as compared to the conventional approach of physicochemical pretreatment followed by enzymatic hydrolysis using added enzymes.