The sunliquid process - cellulosic ethanol from agricultural residues. Dr. Markus Rarbach Group Biotechnology Biofuels & Derivatives

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Archibald Heath
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1 The sunliquid process - cellulosic ethanol from agricultural residues Dr. Markus Rarbach Group Biotechnology Biofuels & Derivatives

2 2 A globally leading company in specialty chemicals Sales 2014 (CHF m) from continuing operations Net result 2014 (CHF m) from continuing operations Business Areas % 110 in EBITDA 2014 (CHF m) before exceptionals EBITDA margin 2014 before exceptionals companies countries Employees 2014 A globally leading company in specialty chemicals

14.2 % 110 in 60 17 003 EBITDA 2014 (CHF m) before exceptionals EBITDA margin 2014 before

3 Clariant s Biotechnology platform offers integrated solutions for bio-based products and processes Munich Since 2006 95 employees Main R&D center Lab and office space: 3,300 m² Pilot plant since

3 3 Clariant s Biotechnology platform offers integrated solutions for bio-based products and processes Munich Since employees Main R&D center Lab and office space: 3,300 m² Pilot plant since 2009 Over 15 different feedstocks tested on pilot-scale Straubing Since employees Pre-commercial sunliquid plant Area: 2,500 m² Wheat Straw, Corn Stover, and Sugarcane Bagasse converted to Ethanol

Over 15 different feedstocks tested on pilot-scale Straubing Since 2011 22 employees Pre-commercial

and/or tops & leaves and/or energy cane use enzymes to break down fibers in

4 4 Cellulosic ethanol: Are all processes made equally? Most processes PROCESSES APPEAR SIMILAR are based on sugar cane bagasse and/or tops & leaves and/or energy cane use enzymes to break down fibers in sugars ferment sugars to ethanol purify the ethanol So, why are they different and why are costs different?

5 5 Cellulosic ethanol: Are all processes made equally? CHEMICALS? ENZYMES? YEAST? ENERGY? SUPPLY COST WASTE WATER/VINASSE STEEL QUALITY & COST DEMONSTRATED AT SCALE? SUGAR SEPARATION SUGAR PURIFICATION? TRANSPORT & LOGISTICS COST OPTIMAL FOR THE FEEDSTOCK? ENERGY SELF SUFFICIENT? LOW SULFUR LIGNIN? CURRENCY RISK?

SUPPLY COST WASTE WATER/VINASSE STEEL QUALITY & COST DEMONSTRATED AT SCALE?

6 6 With its focus on integration, sunliquid is designed to achieve optimal efficiency Enzymatic hydrolysis High sugar yields through feedstock and process-specific cellulase enzymes Integrated on-site enzyme production with biomass as carbon source Ethanol Fermentation High ethanol yields with proprietary high-end yeast technology Simultaneous one-pot C5&C6 fermentation Biotechnology Process Design Thermal pre-treatment Chemical-free & low-cost pretreatment Conditions optimized jointly with enzyme production Energy integration Side products (e.g., Lignin) as energy sources Integration with site-specific energy infrastructure Standard equipment Low scale-up risk due to established equipment Standard protocols for plant and equipment operations Integrated Technology Solution Cost efficient through process design and efficient conversion Flexible feedstock input and product output

7 sunliquid technology is commercially best in class Detailed technology benchmarking study based on technology differentiators in a free market scenario (Brazil) Cost for different technologies

7 7 sunliquid technology is commercially best in class Detailed technology benchmarking study based on technology differentiators in a free market scenario (Brazil) Cost for different technologies Major cost and performance benefits Total costs per l EtOH incl. capital recovery Brazilian case Competitor A Competitor B Competitor C Competitor D Competitor E Integrated enzyme production, no enzyme supply cost and exposure High yield fermentation of C6 and C5 sugars into ethanol Feedstock and process specific enzymes Energy saving integrated process design 1G ethanol price 2 2. Use S. Paulo EXW BRL anhydrous ethanol price, averaged from to Data from F.O. Licht database.

capital recovery Brazilian case Competitor A Competitor B Competitor C Competitor D Competitor E Integrated enzyme production, no enzyme supply cost and exposure High yield

8 8 Conclusions Integrated development approach is a key success factor in process design Cellulosic ethanol technologies may look similar. However, there are important differentiators. Especially cost elements influenced by transport & logistics cost and exchange rates are crucial for Brazil Cellulosic ethanol is cost competitive to cane ethanol today

However, there are important differentiators.

Business strategy: dal progetto Pro.E.Sa agli investimenti per la realizzazione degli impianti

Business strategy: dal progetto Pro.E.Sa agli investimenti per la realizzazione degli impianti Business strategy: from the Pro.E.Sa project to the investments for plants constructions Ing. Dario Giordano,