skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Conversion of corn stover alkaline pre-treatment waste streams into biodiesel via Rhodococci

Journal Article · · RSC Advances
DOI:https://doi.org/10.1039/c6ra28033a· OSTI ID:1356963
 [1];  [1];  [1];  [1];  [2];  [3];  [4];  [5];  [6]
  1. Univ. of Tennessee, Knoxville, TN (United States). Department of Chemical & Biomolecular Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Bioscience Division
  2. Michigan State Univ., East Lansing, MI (United States). Department of Chemical Engineering & Materials Science and Great Lakes Bioenergy Research Center
  3. Michigan State Univ., East Lansing, MI (United States). Great Lakes Bioenergy Research Center and Department of Biochemistry
  4. Michigan State Univ., East Lansing, MI (United States). Department of Chemical Engineering & Materials Science, Great Lakes Bioenergy Research Center and Department of Biosystems & Agricultural Engineering
  5. Texas A & M Univ., College Station, TX (United States). Synthetic and Systems Biology Innovation Hub, Department of Plant Pathology and Microbiology
  6. Univ. of Tennessee, Knoxville, TN (United States). Department of Chemical & Biomolecular Engineering and Department of Forestry, Wildlife, and Fisheries, Center for Renewable Carbon; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Bioscience Division

We present the bioconversion of second-generation cellulosic ethanol waste streams into biodiesel via oleaginous bacteria is a novel optimization strategy for biorefineries with substantial potential for rapid development. In this study, one- and two-stage alkali/alkali-peroxide pretreatment waste streams of corn stover were separately implemented as feedstocks in 96 h batch reactor fermentations with wild-type Rhodococcus opacus PD 630, R. opacus DSM 1069, and R. jostii DSM 44719T . Here we show using 31P-NMR, HPAECPAD, and SEC analyses, that the more rigorous and chemically-efficient two-stage chemical pretreatment effluent provided higher concentrations of solubilized glucose and lower molecular weight (70 300 g mol1 ) lignin degradation products thereby enabling improved cellular density, viability, and oleaginicity in each respective strain. The most significant yields were by R. opacus PD 630, which converted 6.2% of organic content with a maximal total lipid production of 1.3 g L1 and accumulated 42.1% in oils based on cell dry weight after 48 h.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Joint Institute for Biological Sciences (JIBS)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725; EE0006112
OSTI ID:
1356963
Journal Information:
RSC Advances, Vol. 7, Issue 7; ISSN 2046-2069
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 40 works
Citation information provided by
Web of Science

References (50)

Biodiesel production from oleaginous microorganisms journal January 2009
Ethanol Production from Alkaline Peroxide Pretreated Enzymatically Saccharified Wheat Straw journal April 2006
Environmental sustainability of bioethanol production from rice straw in India: A review journal February 2016
Accumulation and mobilization of storage lipids by Rhodococcus opacus PD630 and Rhodococcus ruber NCIMB 40126 journal August 2000
Characterization of key triacylglycerol biosynthesis processes in rhodococci journal April 2016
Application of quantitative 31P NMR in biomass lignin and biofuel precursors characterization journal January 2011
Sustainable bio-ethanol production from agro-residues: A review journal January 2015
Bioconversion of lignocellulosic pretreatment effluent via oleaginous Rhodococcus opacus DSM 1069 journal January 2015
Production of Biofuels from Cellulose and Corn Stover Using Alkylphenol Solvents journal June 2011
Potential of using organic fertilizer to cultivate Chlorella vulgaris for biodiesel production journal June 2012
Helically agitated mixing in dry dilute acid pretreatment enhances the bioconversion of corn stover into ethanol journal January 2014
The role of biofuels in the future energy supply journal January 2013
The Path Forward for Biofuels and Biomaterials journal January 2006
High-cell-density batch fermentation of Rhodococcus opacus PD630 using a high glucose concentration for triacylglycerol production journal June 2010
Policies for the Sustainable Development of Biofuels in the Pan American Region: A Review and Synthesis of Five Countries journal December 2014
Biofuels in the long-run global energy supply mix for transportation journal January 2014
Fuelling the future: microbial engineering for the production of sustainable biofuels journal March 2016
Lignin valorization through integrated biological funneling and chemical catalysis journal August 2014
A comprehensive review on biodiesel as an alternative energy resource and its characteristics journal May 2012
A comparative review of China, India and Pakistan renewable energy sectors and sharing opportunities journal May 2016
Lignin to lipid bioconversion by oleaginous Rhodococci journal January 2013
Alkaline peroxide pretreatment for efficient enzymatic saccharification of bamboo journal March 2010
Lignin Valorization: Improving Lignin Processing in the Biorefinery journal May 2014
Converting paper mill sludge into neutral lipids by oleaginous yeast Cryptococcus vishniaccii for biodiesel production journal August 2016
From sugars to biodiesel using microalgae and yeast journal January 2016
Biofuels and Climate Change Mitigation: A CGE Analysis Incorporating Land-Use Change journal October 2012
An overview of second generation biofuel technologies journal March 2010
Triacylglycerols in prokaryotic microorganisms journal December 2002
Base-Catalyzed Depolymerization of Biorefinery Lignins journal December 2015
Polymerization of Kraft lignin via ultrasonication for high-molecular-weight applications journal November 2013
Opportunities and challenges in biological lignin valorization journal December 2016
Pyrolysis Oil-Based Lipid Production as Biodiesel Feedstock by Rhodococcus opacus journal November 2014
Alkaline Pretreatment of Switchgrass journal May 2015
Availability of corn stover as a sustainable feedstock for bioethanol production journal May 2003
Biodiesel from microalgae journal May 2007
Biotechnological opportunities with the β-ketoadipate pathway journal December 2012
Structural characterization of alkaline hydrogen peroxide pretreated grasses exhibiting diverse lignin phenotypes journal January 2012
Chemical Structures of Corn Stover and Its Residue after Dilute Acid Prehydrolysis and Enzymatic Hydrolysis: Insight into Factors Limiting Enzymatic Hydrolysis journal November 2010
Cultivation of lipid-producing bacteria with lignocellulosic biomass: Effects of inhibitory compounds of lignocellulosic hydrolysates journal June 2014
Sustainable bioenergy production from marginal lands in the US Midwest journal January 2013
A review of the combustion and emissions properties of advanced transportation biofuels and their impact on existing and future engines journal February 2015
Production of FAME biodiesel in E. coli by direct methylation with an insect enzyme journal April 2016
A regulatory policy to promote renewable energy consumption in China: Review and future evolutionary path journal April 2016
Beneficial Biofuels--The Food, Energy, and Environment Trilemma journal July 2009
Bioconversion of lignin model compounds with oleaginous Rhodococci journal December 2011
Ethanol Production Using Corn, Switchgrass, and Wood; Biodiesel Production Using Soybean and Sunflower journal March 2005
Biodiesel production from heterotrophic microalgal oil journal April 2006
A review on alkaline pretreatment technology for bioconversion of lignocellulosic biomass journal January 2016
Lipid production from corn stover by the oleaginous yeast Cryptococcus curvatus journal October 2014
Microalgal lipid production using the hydrolysates of rice straw pretreated with gamma irradiation and alkali solution journal August 2015

Cited By (9)

Biotransformation of lignin: Mechanisms, applications and future work journal October 2019
Integrated diesel production from lignocellulosic sugars via oleaginous yeast journal January 2018
Combinatorial pretreatment and fermentation optimization enabled a record yield on lignin bioconversion journal January 2018
RETRACTED ARTICLE: Bacterial conversion of depolymerized Kraft lignin journal September 2018
Lipid metabolism of phenol-tolerant Rhodococcus opacus strains for lignin bioconversion journal December 2018
Recent advances in lignin valorization with bacterial cultures: microorganisms, metabolic pathways, and bio-products journal February 2019
Bacterial conversion of depolymerized Kraft lignin journal March 2019
Development of Rhodococcus opacus as a chassis for lignin valorization and bioproduction of high-value compounds journal August 2019
Utilization of simultaneous saccharification and fermentation residues as feedstock for lipid accumulation in Rhodococcus opacus journal September 2017