Detoxification of Lignocellulosic Hydrolysates

Bin Wang, Hao Feng

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Typically, lignocellulosic biomass must be deconstructed into monosaccharides for efficient conversion into biofuel by fermenting microorganisms. Natural protection mechanisms of plants against foreign intrusions such as disease - causing bacteria and viruses create obstacles to biomass deconstruction and economical production of biofuel from biomass. Large - scale production of biofuel from lignocellulosic biomass, therefore, is still a challenge to both microbiologists and engineers. A principal problem associated with deconstruction of biomass by chemical, enzymatic, or biological process is the generation of microbial inhibitory chemicals. Presence of these inhibitory compounds in the lignocellulosic hydrolysates inhibits growth and biofuel production by fermenting microorganisms. An additional processing step called detoxifi cation, therefore, has often been introduced to remove these microbial inhibitors from hydrolysates as a way of mitigating their negative effects on the fermenting microorganisms. Efforts have been made over the years to develop effective detoxifi cation processes with chemical, physical, or biological methods. This chapter, detoxifi cation of lignocellulosic hydrolysates, will focus on the technical aspects of lignocellulosic hydrolysates detoxifi cation approaches and their potential applications in biomass - to - fuel production.

Original languageEnglish (US)
Title of host publicationBiofuels from Agricultural Wastes and Byproducts
PublisherWiley-Blackwell
Pages233-250
Number of pages18
ISBN (Print)9780813802527
DOIs
StatePublished - Jul 6 2010

Keywords

  • Aqueous two-phase systems (ATPS)
  • Carbon monoxide (CO)
  • Continuous stirred tank reactor (CSTR)
  • Corn stover hydrolysate (CSH)
  • Oxidation - reduction potential (ORP)
  • Prompt gamma activation analysis (PGAA)
  • Supercritical Fluid Extraction (SFE)
  • Toxic compounds in lignocellulosic hydrolysates

ASJC Scopus subject areas

  • General Agricultural and Biological Sciences

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