Abstract
The effects of AFEX™ pretreatment, feedstock moisture content (5,10, and 15 % wb), particle size (screen sizes of 2, 4, and 8 mm), and extrusion temperature (75, 100, and 125 °C) on pellet bulk density, pellet hardness, and sugar recovery from corn stover, prairie cord grass, and switchgrass were investigated. Pellets were produced from untreated and AFEX™ pretreated feedstocks using a laboratory-scale extruder. AFEX™ pretreatment increased subsequent pellet bulk density from 453.0 to 650.6 kg m(-3) for corn stover from 463.2 to 680.1 kg m(-3) for prairie cord grass, and from 433.9 to 627.7 kg m(-3) for switchgrass. Maximum pellet hardness of 2342.8, 2424.3, and 1298.6 N was recorded for AFEX™ pretreated corn stover, prairie cord grass, and switchgrass, respectively. Glucose yields of AFEX™ corn stover pellets, prairie cord grass, and switchgrass pellets varied from 88.9 to 94.9 %, 90.1 to 94.9 %, and 87.0 to 92.9 %, respectively. Glucose and xylose yields of AFEX™ pellets were not affected by the extruder barrel temperature and the hammer mill screen size. The results obtained showed that low temperature and large particle size during the extrusion pelleting process can be employed for AFEX™-treated biomass without compromisin...Continue Reading
References
May 23, 2002·Applied Biochemistry and Biotechnology·Lisa E GollapalliDouglas M Rivers
Jun 3, 2005·Applied Biochemistry and Biotechnology·Hasan AlizadehBruce E Dale
Aug 23, 2005·Bioresource Technology·Farzaneh TeymouriBruce E Dale
Sep 6, 2005·Bioresource Technology·Sudhagar ManiShahab Sokhansanj
Aug 12, 2006·Biotechnology and Bioengineering·Shishir P S ChundawatBruce E Dale
Nov 8, 2008·Waste Management·M Bernhart, O O Fasina
Oct 3, 2009·Bioresource Technology·Nalladurai Kaliyan, R Vance Morey
Jan 6, 2010·Biotechnology for Biofuels·Bryan BalsBruce Dale
Apr 27, 2010·Applied Biochemistry and Biotechnology·Chinnadurai Karunanithy, Kasiviswanathan Muthukumarappan
Jan 1, 2011·Annual Review of Chemical and Biomolecular Engineering·Shishir P S ChundawatBruce E Dale
Aug 21, 2013·Biotechnology and Bioengineering·Bryan D BalsBruce E Dale
May 23, 2014·Bioresource Technology·Amber N HooverGarold Gresham
Jun 18, 2014·Bioresource Technology·Longbo JiangGuangming Zeng
Aug 8, 2014·Applied Biochemistry and Biotechnology·Binod RijalScott W Pryor
Sep 17, 2015·Applied Biochemistry and Biotechnology·Gwen BiersbachWilliam R Gibbons
Citations
Oct 11, 2016·Applied Biochemistry and Biotechnology·Vijay SundaramStephen Gent
Jul 14, 2017·Journal of Applied Microbiology·J R CroatW R Gibbons
Mar 21, 2019·Biotechnology Progress·Chunxiao GongClaus Felby