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Energitekniskt Centrum i PITEÅ

Welcome to the 2nd program meeting of the Centre of Black

Liquor Gasification

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Energitekniskt Centrum i PITEÅ

Centre for Black Liquor Gasification

• Partners– ETC (coordinator)

– Luleå University of Technology

– Umeå University

– Chalmers University of Technology

– Chemrec AB

– Åbo Akademi University (independent project)

• Funding– Swedish National Energy Administration

– Chemrec AB

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Energitekniskt Centrum i PITEÅ

Piteå Black Liquor Gasification Development Plant (DP1)

• Capacity 20 ton black liquor/day• Pressurised gasification @ 30 bar, 1000°C• Part of technical development program led by

Chemrec AB• Black liquor from the Kappa Kraftliner mill• Complete gasifier, chemical recovery unit and

control system

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Energitekniskt Centrum i PITEÅ

Piteå Black Liquor Gasification Develoment Plant (DP1)

•Custom built extension of lab•3 MWth (app.) gasifier•20 ton black liquor/day

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Energitekniskt Centrum i PITEÅ

Reactor principle

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Energitekniskt Centrum i PITEÅ

Objectives with development plant

• Demonstration of process reliability• Optimisation of gasifier components• Optimisation of construction materials• Determination of process characteristics• Optimisation of green liquor and syngas

composition• Provide data for design optimisation of a

commercial plant

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Energitekniskt Centrum i PITEÅ

Underpinning research program at the Centre for Black Liquor Gasification

• Focus on technical issues• Strong interaction with Chemrec’s technical

development program• Readiness for unexpected problems• Develop key competence and experimental

infrastructure• Generalisation of results from DP1

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Energitekniskt Centrum i PITEÅ

Research areas

Centre ofBlack LiquorGasification

Inorganic reactions(UmU, Åbo)

•Gas phase reactions•Smelt formation•Green liquor quality

Computer modelling(LTU, ETC)

Gasificationreactions

(CTH, Åbo)

Designverification program

(Chemrec)

Constructionmaterials

(Åbo)

•Gasification reactor•Quench•Counter current condensor

•Corrosion•Smelt layer thickness

•Kinetic models•Evaporation, pyrolysis, char conversion

•Technical design

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Energitekniskt Centrum i PITEÅ

Research projects

1. Modelling, simulation and optimisation of a black liquor gasification reactor (Prof.R. Gebart, ETC)

2. Modelling of the quench cooler and counter current condensor in a black liquor gasifier (Assoc. Prof. L. Westerlund, LTU)

3. Gas phase reactions, smelt formation and green liquor quality in pressuried black liquor gasification (Assoc. Prof. A. Nordin, Prof. B. Warnqvist, UmU)

4. Gasication kinetics (Prof. H. Theliander, CTH)

5. Finnish black liquor gasification framework program (Prof. M. Hupa)