turning science into realityAxegård, Swedish Wood Biorefineries 2007-03- 15—16/ 1

STATUS OF WOOD BIOREFINING RESEARCH IN SWEDEN

Compiled by Axegård, STFI-Packforsk AB

IEA Task 42 Biorefinery Kick-off Meeting March 15 – 16, 2007

ECN Amsterdam office

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Biofuels

Integrated

Energy

System

Fibre processing

Primary treat-ment

Pulpwood

Forestry/agriresidues and used recycled fibres

Pulp or paper

Chemicals

Use of Pulp Mill By-products and Forestry Residues

Conver-sion

Conver-sion

Black liquor Electricity

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Major Swedish Wood BiorefiningResearch Projects

Ex 1. Gasification of forest based biomassEx 2. Gasification of kraft black liquorEx 3. Lignin from kraft black liquorEx 4. Ethanol from wood

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Ex 1. Clean Hydrogen Rich Synthesis Gas - CHRISGAS

Objective: To develop a large scale biomass gasification process to produce clean hydrogen-rich gas which can be used for the production of transport fuels.

Key research facility: Biomass fuelled pressurized IGCC plant in Värnamo, Sweden

Coordinator: Växjö University, Sweden

Start: 01/09/2004Duration: 60 monthsEU support: 9.5 M€Total budget: 49 M€

www.chrisgas.com

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Ex 2. High Temperature Kraft Black Liquor Gasification - BLG 2

Objective: To close the technological knowledge gaps that are in the way of large-scale commercialization of pressurized black liquor gasification for DME or electricity

Key research facility: Black liquor gasifier with quench and gas cooler ( 20 T DS/d, 32 bar, 3 MW), Piteå, Sweden

Coordinator: ETC, Piteå, Sweden

Start: 01/01/2007Duration: 36 monthsBudget: 9 M€

www.etc.pitea.se/BLG

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BLG2- DP-1 Major Process Units

Raw syngas

Green Liquor Condensate

Black Liquor

GAS COOLER

REACTOR

QUENCH

White Liquor

BFW*

LP-steam*

MP-steam*

WeakWashLiquor

Oxygen

Atomisingmedium

Cooling waterH2S-

ABSORPTION

Purified and cooled syngas

(to flare)

* Cooling waterin DP1

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The Black Liquor GasifierThe world’s first pressurised high temperature Chemrec

gasifier (20 ton ds/day)> 1200 h accumulated run-timeContinuous operation planned for 2007Focus on long-term behaviour, process optimisation, scale-

up and containment materials

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Ex 3. Lignin from Kraft Black Liquor - FRAM2

Objective: To further improve the performance of the LignoBoost process and produce design data for full scale operation

Key research facility: Demonstration plant for lignin from black liquor (capacity 30 T/d)

Coordinator: STFI- Packforsk AB, Sweden

Starting date: 01/10/2006Duration: 38 monthsBudget: 8 M€

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Black liquor

To recoevryboiler

Cooking chemicals, organic substances

Lignin

DewateringPrecipitation with CO2

Evaporation

New Process for Lignin Removal

Dewatering and washing

Condi-tioning

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Lignin From Mill Pilot

60-70 % Dry solids 0.1 - 0.5 % ash0.05 – 0.4 % NaHeat value 26 GJ/t

Lignin Pellets

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• Energy– Heat value of 1 tonne of lignin equals 0.65 tonne of mineral oil– Fuel for lime kilns, heat and power, oil replacement, syngas etc

• Materials– Carbon fibre composites, porous carbon, active carbon

• Chemicals– Phenols, binders, dispersants, sequestering

Potential Lignin Applications

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Demonstration of Lignin ProductionStart-Up December 2006

Wermland Paper,Bäckhammar mill

LignoBoostDemonstration plant

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Ex 4. Ethanol from Lignocellulose

Objective: Scaling up and commercialisation of technology for integrated production of ethanol from lignocellulosematerials

Key research facility: Pilot plant for acid and enzymatic hydrolysis in Örnsköldsvik, Sweden

Coordinator: Sekab E-technology

Start: National programme (STEM) 2007-2011NILE (EU FP6 project) 2005-2009

Duration: 4 yrsBudget: Swedish national programme 16 M€

Nile programme (EU FP6-project) 2 M€

www.sekab.com

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SEKAB Bioethanol Research and Pilot Plant

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Pilot Plant in Örnsköldsvik

Complete cellulose to ethanol plant (continuous operation) Two-steps dilute acid- and/or enzymatic hydrolysisCapacity: 2 tons of dry substance/ 24 hoursInvestment 22 M€Owned by holding companies of Umeå University and LuleåUniversity of TechnologyOperated by SEKAB E-technology