STATUS OF WOOD BIOREFINING RESEARCH IN SWEDEN

Transcription

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 Axegård, Swedish Wood Biorefineries / 1

2 Use of Pulp Mill By-products and Forestry Residues Pulpwood Fibre processing Pulp or paper Black liquor Integrated Energy Electricity System Forestry/agri residues and used recycled fibres Primary treatment Conversion Conversion Chemicals Biofuels Axegård, Swedish Wood Biorefineries / 2

3 Major Swedish Wood Biorefining Research Projects Ex 1. Gasification of forest based biomass Ex 2. Gasification of kraft black liquor Ex 3. Lignin from kraft black liquor Ex 4. Ethanol from wood Axegård, Swedish Wood Biorefineries / 3

4 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: 01/09/2004 Duration: 60 months EU support: 9.5 M Total budget: 49 M Axegård, Swedish Wood Biorefineries / 4

5 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: 01/01/2007 Duration: 36 months Budget: 9 M Axegård, Swedish Wood Biorefineries / 5

6 BLG2- DP-1 Major Process Units Black Liquor Cooling water GAS COOLER White Liquor H2S- ABSORPTION Oxygen Atomising medium BFW* REACTOR LPsteam* Raw syngas QUENCH MPsteam* Green Liquor Condensate Purified and cooled syngas (to flare) Weak Wash Liquor * Cooling water in DP1 Axegård, Swedish Wood Biorefineries / 6

7 The Black Liquor Gasifier The world s first pressurised high temperature Chemrec gasifier (20 ton ds/day) > 1200 h accumulated run-time Continuous operation planned for 2007 Focus on long-term behaviour, process optimisation, scaleup and containment materials Axegård, Swedish Wood Biorefineries / 7

8 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: 01/10/2006 Duration: 38 months Budget: 8 M Axegård, Swedish Wood Biorefineries / 8

9 New Process for Lignin Removal Black liquor Evaporation To recoevry boiler Precipitation with CO2 Dewatering Conditioning Dewatering and washing Lignin Axegård, Swedish Wood Biorefineries / 9 Cooking chemicals, organic substances

10 Lignin From Mill Pilot Lignin Pellets % Dry solids % ash % Na Heat value 26 GJ/t Axegård, Swedish Wood Biorefineries / 10

11 Potential Lignin Applications 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 Axegård, Swedish Wood Biorefineries / 11

12 Demonstration of Lignin Production Start-Up December 2006 Wermland Paper, Bäckhammar mill LignoBoost Demonstration plant Axegård, Swedish Wood Biorefineries / 12

13 Ex 4. Ethanol from Lignocellulose Objective: Scaling up and commercialisation of technology for integrated production of ethanol from lignocellulose materials Key research facility: Pilot plant for acid and enzymatic hydrolysis in Örnsköldsvik, Sweden Coordinator: Sekab E-technology Start: National programme (STEM) NILE (EU FP6 project) Duration: 4 yrs Budget: Swedish national programme 16 M Nile programme (EU FP6-project) 2 M Axegård, Swedish Wood Biorefineries / 13

14 SEKAB Bioethanol Research and Pilot Plant Axegård, Swedish Wood Biorefineries / 14

15 Pilot Plant in Örnsköldsvik Complete cellulose to ethanol plant (continuous operation) Two-steps dilute acid- and/or enzymatic hydrolysis Capacity: 2 tons of dry substance/ 24 hours Investment 22 M Owned by holding companies of Umeå University and Luleå University of Technology Operated by SEKAB E-technology Axegård, Swedish Wood Biorefineries / 15