Review Article

Chemical Pretreatment Methods for the Production of Cellulosic Ethanol: Technologies and Innovations

Table 2

Selected large-scale cellulosic ethanol plants based on chemical pretreatment.

Company/
institution
LocationCapacity*PretreatmentFeedstockStatus Reference

SEKABÖrnsköldsvik, Sweden100 t/yTwo stage dilute H2SO4/SO2Pine chipsOperational since 2004; scale-up projects planned[199] Updated

Abengoa bioenergySalamanca, Spain 5 m L/y Acid impregnation + steam explosionWheat and barley straw, and so forthOperational since 2009http://www.kcc.state.ks.us/energy/kwrec_09/presentations/B1_Robb.pdf (accessed 11/02/13)
York, NE, USA0.4 m L/yCorn stoverOperational since 2008
Kansas, USA25 m gal/yCorn stover, wheat straw, switchgrass, and so forth Under construction, startup 2014

BioGasolBallerup, Denmark4 t/hDilute acid/ steam explosion or wet explosionWheat straw and bran, corn stover, and so forth, garden wastes, energy crops, and green wastesUnder developmenthttp://www.biogasol.com/Home-3.aspx (accessed 11/02/13)

Procethol 2G, FuturolPomacle, France180 m3/y
3.5 m L/y
180 m L/y
Under developmentWheat straw, switchgrass, green waste, Miscanthus, Vinasses, and so forthOperational since 2011
Planned, 2015
Planned, 2016
http://www.projet-futurol.com/index-uk.php (accessed 13/02/13)

Izumi BiorefineryJapan300 L/dayArkenol Cedar, pine, and hemlockOperational since 2002[200]; http://bfreinc.com/docs/IZUMI_Status_2004_for_BlueFire_051606.pdf (accessed 13/02/13)

INEOSFlorida, USA8 m gal/yrThermochemicalMunicipal solid waste and so forthOperational http://www.ineosbio.com/60-Technology_platform.htm (accessed 11/02/13)

ZeaChemOregon, USA250,000 gal/yChemicalHybrid poplar, corn stover, and cobConstruction completedhttp://www.zeachem.com/index.php (accessed 12/02/13)

Logos TechnologiesCalifornia, USA50,000 gal/yColloid millingCorn stover, switchgrass, and wood chipsOperational http://www.logos-technologies.com/ (accessed 13/02/13)

BlueFire Mississippi, USA19 m gal/yConcentrated acid (Arkenol)Wood waste, municipal solid wasteUnder constructionhttp://bfreinc.com/ (accessed 15/02/13)

Weyland ASNorway200 m3/yConcentrated acidCorn stover, sawdust, paper pulp, switchgrass, and so forthOperational since 2010http://weyland.no/ (accessed 15/02/13)

BorregaardNorway20 m L/yAcidic/neutral sulphiteWheat straw, eucalyptus, spruce, and so forthOperational [201]; http://www.borregaard.com/ (accessed 11/02/13)

Queensland
University of
Technology
Queensland, AustraliaPilotAcid, alkaline, steam explosion, ionic liquid, and so forth Sugarcane bagasseOperational, since 2010 [202]

Praj industriesIndia10 m L/yThermochemicalCorn cob, sugarcane bagasse, and so forth Under development[200] (Updated)

Lignol Energy CorporationCanada100 m3/yOrganosolv Wood, agricultural residues, and so forth Operational http://www.lignol.ca/index.html (accessed 06/02/13)
40–200 m L/yPlanning

Blue sugarsWyoming, USA1.4 m gal/yAcid, thermomechanicalPine and so forth Operational http://bluesugars.com/ (accessed 13/02/13)

Petrobras/Blue sugarsBrazil10 m gal/yAcid, thermomechanicalSugarcane bagasseUnder developmenthttp://bluesugars.com/company-partnerwith.htm (accessed 16/02/13)

Dupont Danisco
Cellulosic Ethanol
(DDCE)
Iowa, USA30 m gal/yNH3 Steam recycledCorn stoverUnder construction[200]; http://biofuels.dupont.com/ (accessed 13/02/13)

COFCO
/SINOPEC
/Novozyme
Zhaodong, China62 m L/ySteam explosion (with acid impregnation)Corn stoverUnder construction[203]

Pilot (<2000 t/y or 2.5 m m3/y), demo (2000–50,000 t/y or 2.5–65 m m3/y), commercial (>50,000 t/y or 65 m m3/y).