Corn stover and Switchgrass Deconstruction for Biofuel Production

Date: June 6, 2018
Country: United States
Plant Name:
Corn
Grass
Residue Name:
Process waste/Secondary residue
End Products
Fuel
biofuel
Application
Description

Researchers at the National Renewable Energy Laboratory (NREL) are developing more efficient ways to deconstruct biomass for biofuel production. By using specialized microorganisms and enzymes like CelA and Accel5A, they aim to bypass expensive pretreatment processes. This innovative "one-pot" method simplifies the conversion of plant matter into biofuels and bioproducts. Their work could reduce costs and enhance the viability of lignocellulosic biofuel production.

Pathway Description:

The process used in this project involves using specialized microorganisms, like Caldicellulosiruptor bescii and Clostridium thermocellum, that produce enzymes such as CelA and Accel5A to directly deconstruct biomass. These microbes break down cellulose and other complex plant components into sugars without the need for costly pretreatment. This approach, known as consolidated bioprocessing, simplifies biofuel production by combining deconstruction and fermentation in a single step. The result is a more efficient and cost-effective method for producing biofuels and bioproducts.

Tags: Biomass Deconstruction Consolidated Bioprocessing Microbial Bioprocessing
Feedstock
Types of Feedstock
Primary agricultural residue
Name
Corn stover, Switch grass
Form
Solid biomass
Commercials
Byproduct of corn production; collected post-harvest
Characteristics
High cellulose and hemicellulose content
Pathways
Microbial
Consolidated Bioprocessing (CBP)
Stakeholders
Research/ Innovators
National Renewable Energy Laboratory