Using Incremental Changes to Convert Lignocellulosic Feedstocks to Cellulosic Ethanol: Article No. 835714

Michael Resch, Brandon Emme

Research output: Contribution to journalArticlepeer-review

1 Scopus Citations


One billion tons of biomass feedstocks have been identified for the production of renewable biofuels and biochemicals. This is one of the key carbon feedstocks to supply energy to the transportation sector for light duty, heavy duty and aviation fuels. Utilization of lignocellulosic feedstocks supports an improved energy security by reducing demand of petroleum imports, agricultural development, job creation, and reducing greenhouse gas emissions. To date, however, operational challenges have stymied the industrial production of large volumes of lignocellulosic-based fuels and chemicals. As a result, significant research investment has been led by the United States Department of Energy to understand and improve operational reliability at pioneer cellulosic biorefineries. In this perspective article lignocellulosic conversion technologies are described that have been adopted from the starch ethanol process. The developed process culminated in successful demonstration of 1,000-h integrated runs using several feedstocks, including switchgrass, energy sorghum, and two types of corn kernel fiber. This article highlights process development that solved several of the issues that plagued - and continue to plague - many in the cellulosic sugars space such as biomass feeding into equipment, high ash content, diversified co-product value, and others.
Original languageAmerican English
Number of pages6
JournalFrontiers in Energy Research
StatePublished - 2022

NREL Publication Number

  • NREL/JA-5100-81776


  • biochemicals
  • biofuels
  • biomass
  • biorefinery
  • ethanol
  • lignocellulosic


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