cellulosic ethanol technologies

Volkmann Consult – Corporate Advisors, Joachimstrasse 24, D-40545 Duesseldorf, dirk@volkmann-consult.de

Dipl.-Bw. Dirk Volkmann17th European Biomass Conference & Exhibition

Hamburg, July 2, 2009, Session OD8.1

‚Lignocellulosic Ethanol:Competitors in the Market and Technologies to

Convert Biomass into Sugar‘

your contact: Dirk Volkmann – dirk@volkmann-consult.de

Lignocellulosic feedstock

Wood primary (native) plantation primary forest waste secondary processing waste

Agricultural residues straws (wheat, barley, rice) bagasse (sugarcane, sweet sorghum) stover (corn, milo)

Municipal waste Waste paper

your contact: Dirk Volkmann – dirk@volkmann-consult.de

- complexity of the raw material -

cellulose(35 – 50%)

hemicellulose(20 - 35%)

lignin(10 – 25 %)

composition:

target:

to separate the lignin and the hemicellulose from the cellulose and to break up the protective skin of the cellulose to make it predisposed for enzymes

your contact: Dirk Volkmann – dirk@volkmann-consult.de

enzymaticprocesses

removal (pretreatment) of the lignin present in lignocellulosic feedstocks

acid hydrolysis

lignocellusic ethanol

concentrated acid

hydrolysisdilute acid hydrolysisnew acid hydrolysis

biomass synthesis gas

production of ethanol from biomass synthesis gas

cellulosic technologies

your contact: Dirk Volkmann – dirk@volkmann-consult.de

acid hydrolysis: technologiesacid hydrolysis: technologies Sulfuric

concentrated: one stage dilute: one stage dilute/concentrated: two stage dilute/dilute: two stage

Hydrochloric concentrated: liquid phase concentrated: vapor phase dilute

Organic (autohydrolysis) steam pressure steam and mechanical pressure

Sulfuric concentrated: one stage dilute: one stage dilute/concentrated: two stage dilute/dilute: two stage

Hydrochloric concentrated: liquid phase concentrated: vapor phase dilute

Organic (autohydrolysis) steam pressure steam and mechanical pressure

your contact: Dirk Volkmann – dirk@volkmann-consult.de

acid hydrolysis: market playersacid hydrolysis: market players Agresti Biofuels, US Arkenol, US Blue Fire, US Chempolis OY, FIN Green Star Energy, US Green Sugar, Germany Lignol Energy, CAN Pure Energy Corporation, US St. Petersburg State Forest-Technical Academy, RUS TNO, NL …..

Agresti Biofuels, US Arkenol, US Blue Fire, US Chempolis OY, FIN Green Star Energy, US Green Sugar, Germany Lignol Energy, CAN Pure Energy Corporation, US St. Petersburg State Forest-Technical Academy, RUS TNO, NL …..

your contact: Dirk Volkmann – dirk@volkmann-consult.de

concentrated acid hydrolysis sulfuric acid :

Arkenol Technology (USA)

source: www.arkenol.com

your contact: Dirk Volkmann – dirk@volkmann-consult.de

module 3acid/sugar-Separation

Pre-sugar solution ( salts, amino acids, sugar [xyl, glc, ara, gal])

Main sugar solution (glc)

wash water (glc)

module 1biomass

pretreatment

HC

l 3

2%

ig

HC

l 4

1%

ig

Wat

er

module 2Hydrolysis

Lignin

module 4bacid recovery

HCl

module 4aAcid absorbtion water

sugar syrupC6-rich

(mainly Glucose)

sugar syrupC5-rich

(mainly xylose)

water,acetic acid

biomass

concentrated acid hydrolysis hydrochloric acid :

Green Sugar Technology (GER)

source: www.green-sugar.eu

your contact: Dirk Volkmann – dirk@volkmann-consult.de

dilute hydrolysis:Pure Energy Corp. (USA)

technology used for Green Star Products projectswww.greenstarusa.com

source: www.pure-energy.com

your contact: Dirk Volkmann – dirk@volkmann-consult.de

enzymatic processes: technologiesenzymatic processes: technologies pretreatment options

autohydrolysis steam pressure steam and mechanical pressure steam explosion

acid pre-hydrolysis dilute sulfuric acid dilute hydrochloric acid acetic acid concentrated sulfuric acid (cold) concentrated hydrochloric acid (cold)

Alkali (Sodium hydroxide, Ammonia) Organolsolv (Methanol, Ethanol, Butanol, Phenol etc.) Mechanical

attrition mill, roller mill, vibratory rod mill, extruder

pretreatment options autohydrolysis

steam pressure steam and mechanical pressure steam explosion

acid pre-hydrolysis dilute sulfuric acid dilute hydrochloric acid acetic acid concentrated sulfuric acid (cold) concentrated hydrochloric acid (cold)

Alkali (Sodium hydroxide, Ammonia) Organolsolv (Methanol, Ethanol, Butanol, Phenol etc.) Mechanical

attrition mill, roller mill, vibratory rod mill, extruder

your contact: Dirk Volkmann – dirk@volkmann-consult.de

enzymatic processes: market playersenzymatic processes: market players Abengoa, ES/US AE Biofuels, US BioGasol, DK Citrus Energy, US Dupont Danisco, US Ecofin, US Gevo, US IOGEN, CAN Mascoma, US Old Town Fuel and Fibre, US Pacific Ethanol, US Qteros, US Sekab, SWE ST1, FIN SunOpta, US Verenium, US …..........

Abengoa, ES/US AE Biofuels, US BioGasol, DK Citrus Energy, US Dupont Danisco, US Ecofin, US Gevo, US IOGEN, CAN Mascoma, US Old Town Fuel and Fibre, US Pacific Ethanol, US Qteros, US Sekab, SWE ST1, FIN SunOpta, US Verenium, US …..........

your contact: Dirk Volkmann – dirk@volkmann-consult.de

enzymatic hydrolysis:Abengoa Bioenergy (ES/USA)

source: www.abengoabioenergy.com

your contact: Dirk Volkmann – dirk@volkmann-consult.de

biomass synthesis gas: technologiesbiomass synthesis gas: technologies production of synthesis gas

steam reforming partial oxidation

conversion processes methanol synthesis and homologation fermentation

distillation

production of synthesis gas steam reforming partial oxidation

conversion processes methanol synthesis and homologation fermentation

distillation

your contact: Dirk Volkmann – dirk@volkmann-consult.de

biomass synthesis gas: market playersbiomass synthesis gas: market players BRI Energy, US Coskata, US Enerkem, CAN Flambeau River, US Guld Coast Energy, US IneosBIO, US Liberty Industries, US New Planet Energy, US Nova Fuels, US Range Fuels, US ......

BRI Energy, US Coskata, US Enerkem, CAN Flambeau River, US Guld Coast Energy, US IneosBIO, US Liberty Industries, US New Planet Energy, US Nova Fuels, US Range Fuels, US ......

your contact: Dirk Volkmann – dirk@volkmann-consult.de

biomass synthesis gas:Coskata Technology

source: www.coskata.com

your contact: Dirk Volkmann – dirk@volkmann-consult.de

biomass feedstock handling

DevolatilizationGas Production

Steam ReformingSyngas Production

Syngas Cleaning

Catalytic Conversion Alcohols Production

AlcoholsSeparation

Biofuels Storage

biomass synthesis gas:Range Fuels Technology

source: www.rangefuels.com

your contact: Dirk Volkmann – dirk@volkmann-consult.de

The Cellulosic Ethanol Race, http://www.investincellulosicethanol.com/ http://biofuelsdigest.com/blog2/tag/cellulosic-ethanol/ http://www.ethanolrfa.org/resource/cellulosic/ http://www.thecesite.com/index.html and the websites of all mentioned companies

References and Links:

your contact: Dirk Volkmann – dirk@volkmann-consult.de