09 wacker r&d_e

CREATING TOMORROW'S SOLUTIONS

International Press Workshop, March 25, 2010

Dr. Fridolin Stary, Corporate Research & Development

CHEMISTRY AND BIOTECHNOLOGY – A PRODUCTIVE PARTNERSHIP FOR „GREEN“ CHEMICALS

International Press Workshop 2010 – Productive Partnership for „Green“ Chemicals

Dr. Fridolin Stary, Corporate R&D, March 25, 2010, Slide 1

DISCLAIMER

The information contained in this presentation is for background purposes only and is subject to

amendment, revision and updating. Certain statements contained in this presentation may be

statements of future expectations and other forward-looking statements that are based on

management's current views and assumptions and involve known and unknown risks and

uncertainties. In addition to statements which are forward-looking by reason of context, including

without limitation, statements referring to risk limitations, operational profitability, financial strength,

performance targets, profitable growth opportunities, and risk adequate pricing, as well as the

words "may, will, should, expects, plans, intends, anticipates, believes, estimates, predicts, or

continue", "potential, future, or further", and similar expressions identify forward-looking

statements. By their nature, forward-looking statements involve a number of risks, uncertainties

and assumptions which could cause actual results or events to differ materially from those

expressed or implied by the forward-looking statements. These include, among other factors,

changing business or other market conditions and the prospects for growth anticipated by the

Company's management. These and other factors could adversely affect the outcome and

financial effects of the plans and events described herein. Statements contained in this

presentation regarding past trends or activities should not be taken as a representation that such

trends or activities will continue in the future. The Company does not undertake any obligation to

update or revise any statements contained in this presentation, whether as a result of new

information, future events or otherwise. In particular, you should not place undue reliance on

forward-looking statements, which speak only as of the date of this presentation.



THE ISSUES OF THE FUTURE CHALLENGE SCIENCE AND TECHNOLOGY

� The issues in the world can only be tackled with the progress in natural sciences and

technologies in order to ensure a sustainable development:

� Energy

� Raw Materials

� Health

� Nutrition

� Environment



� „Unlimited“ available resources:

� Oxygen, Light, Water, Carbon Dioxide

� Sustainable energy production:

Light Electricity

Electricity + Water Hydrogen + Oxygen

Hydrogen + Oxygen Electricity / Mechanical Energy

Light + Water Electricity / Mechanical Energy

� Sustainable raw material production:

Light + CO2 + Water Biomass

Biomass Raw Materials

Light + CO2 + Water Raw Materials

� Energy efficiency and energy storage

THERE ARE ONLY A FEW BASIC TECHNOLOGIES FOR SUSTAINABLE DEVELOPMENT

Photovoltaics / Solar Energy

Fuel Cell / Combustion Engine

Plants / Algae

White Biotechnology / Bio-Refining

White Biotechnology

Battery Materials

LED and Insulation Materials

To

pic

s @

WA

CK

ER



WACKER ADDRESSES A NUMBER OF SUSTAINABLE TOPICS BOTH IN ITS BUSINESSES AND R&D

WACKER Group Sales 2009*: €3.7 BN

Silicon based chemistry

WACKER POLYMERS

WACKER BIOSOLUTIONS

Carbon based chemistry

Business and R&D Topics at WACKER for Sustainable Development (Examples)

Exterior Insulation and Finish Systems for Heat Protection

Polysilicon for the Photovoltaic Industry

Development of Materials for

Batteries

Metabolic Engineering, e.g.

for Prod. of Cystein

Grouting Materials for LED

Wafer for the Semiconductor

Industry

Research on White Biotechnology for

Chemicals

WACKER R&D Spending 2009: €164 MN

Siltronic

WACKER SILICONES

WACKER POLYSILICON

20%

3%17%

26%

33%

*without segment „others“



WHITE BIOTECHNOLOGY IS ONE OF THE KEYS FOR FUTURE SUSTAINABLE CHEMISTRY

� Chemical products based on biomass

� Process chemistry / catalysis

� Processing of biorefineries’ side products

Innovation Topics

+ CO2

+ H2O

Bioethanol

Biodiesel

Biorefinery

Biogas

Syngas

Biomass

Biotech

Products and Fine

Chemicals

e.g. Cyclodextrins.

Cysteine

Bulk Chemicals

Polymers

Fuels

Proteins

Lipids

Carbo-

hydrates

Lignin



100%

60%

4%

90%

Use of HCl Yield

100% 100%

60% 60%

Environmental

Impact

Costs

100% 100%

35%

50%

Energy and

Materials

Costs

TODAY, HIGH VALUE PRODUCTS CAN ALREADY BE PRODUCED ECONOMICALLY AND ECOLOGICALLY

Biotechnological Processes Compared with Standard Processes (Examples)

Sources: DSM, Cercle des Presidents, Paris, Mai 2008; WACKER

Vitamin B2 Antibiotics

Properties with ecologic relevance and costs or yield compared to the standard process (100 %)

StandardProcess

CysteineCyclodextrins

0%

100%100%

10 - 80%

Based on

renew. sources

Solvent Use

�� Economic and Ecologic Advantages

�� WACKER with leading market positions



BIOGENIC BULK CHEMICALS CAN ALSO BE ECONOMICALLY AND ECOLOGICALLY ATTRACTIVE

NOT RENEWABLE

Biomass

RENEWABLE

Crude Oil: 503 USD / ton

Ethylene: 739 USD / ton (US)

CO2: ~ 20 USD / ton

Glucose: ~ 280 USD / ton

Straw: ~ 50 USD / ton

Ethanol: 566 USD / ton (US)

363 USD / ton (BR)

Oil

Prices

Sources: www.oil-price.net; www.lab-biokraftstoffe.de; www.icispricing.com; www.sugaronline.com, June 2009

�� Biogenic material is economically attractive if oil prices > 80 USD / barrel

The „Crude Oil Age“

0 500 1000 1500 2000 2500Year



ALTERNATIVE ROUTES TO C2 BUILDING BLOCKS THAT COULD BE RELEVANT FOR WACKER

Global Markets

AcOH

VAM

VAE

DPP

PVOH

Key Elements of the Supply Chain of WACKER POLYMERS

Ethylene

Conventional Large Scale Processes

Potential Alternatives

� From steamcracker

(Naphtha, Gas)

� Carbonylation of

Methanol:

MeOH + CO � AcOH

� AcOH + Ethylene �

VAM

Ethylene

AceticAcid

Vinyl Acetate

Momomer

� Bioethanol � AcOH

� Fermentative processes to AcOHor to C4 building blocks

� Dehydration of

bioethanol

� Fermentative

routes ?

� Biogenic VAM, polymers and

copolymers

?



WACKER EVALUATES THE ROUTES TO BIOGENIC BULK CHEMICALS ALONG ITS VALUE CHAIN

C6 Sugar Ethanol

Ethylene

Acetic Acid

VAM

VAE

“Green”Polymers

Fermentation

Straw

Cellulose Hemicellulose

Lignin Proteins

Proteins

Aromatics

Enzymatic

Degradation

C6 Sugar C5 Sugar

Grinding ��

Decomposition



WACKER EVALUATES THE ROUTES TO BIOGENIC BULK CHEMICALS ALONG ITS VALUE CHAIN

C6 Sugar Ethanol

Ethylene

Acetic Acid

VAM

VAE

“Green”Polymers

Fermentation

Straw

Cellulose Hemicellulose

Lignin Proteins

Proteins

Aromatics

Enzymatic

Degradation

C6 Sugar C5 Sugar

Grinding ��

Decomposition C4

Oxigenates

1

2

3

4

5 5 55: Lignozym Process: Selective decomposition of Lignin in Lignocellulose 1 5- R&D Topics @ WACKER



Subsequent Chemistry and Downstream ProcessingFermentation

Fermentation to Butandiol

C-source Butane-2,3-diole MEK Acetic Acid

100 %

Bacteria-CO2

66 %*

DehydrationGas Phase Oxidation

Gas Phase Oxidation

THREE ROUTES TO BIOGENIC ACETIC ACID ARE BEING INVESTIGATED

Biogenic Acetic Acid

* figures: theoretic yield

Homoacetate Fermentation

C-source

100 %

Acetate / Acetic Acid Acetic Acid

100 %*

DownstreamBacteria

ACEO® Process

C-source

100 %

Ethanol Acetic Acid

66 %*

Gas Phase OxidationYeast-CO2

1

2

3



A MULTI-TON PILOT PLANT FOR PRODUCTION OF BIOGENIC ACETIC ACID IS IN OPERATION

C2H5OH + O2 �� CH3COOH + H2O

� Excellent yields (>> 90 %) and selectivities (96 mol-%) could be achieved with an optimized catalyst

� Low requirements regarding feedstock quality: aqueous solutions with > 25 % EtOH can be used

� The process is completely energy autarkic despite high selectivity

� A pilot plant with a capacity of 500 tons / a has been in operation for 6 months.

ACEO® Process

> 200 °C

1



EVEN HIGH EXPECTATIONS HAVE BEEN EXCEEDED

C2H5OH + O2 �� CH3COOH + H2O

� Efficient and robust process

� No “exotic” engineering materials required

� Upscale engineering data elaborated

� Advantageous capex

� High variability for different ethanol qualities

� Bioethanol costs strongly influence production costs

ACEO® Process – Key Essentials1



ETHYLENE FROM BIOETHANOL ALLOWS REFINERY INDEPENDENT LOCATIONS

Bioethylene: Dehydration of Ethanol

Source: Dr. K. Bronnenmeier, Linde-KCA-Dresden GmbH, FLS 2009

Mega Plants Container & Cylinder

� Ethylene output: 1 million tons / a

� Capex: 1 billion EUR

� Ethylene output: < 1,000 tons / a

� Costs (EUR / ton):

� Liquefaction / filling: 300

� Transport: 400

� Approx. 1,000 EUR / ton

when transported by pipeline

� From 1,700 EUR / ton

when transported by trucks

Bioethylene

� Ethylene output:

5,000 – 100,000 tons / a

� Approx. 1,200 EUR / tonwhen produced on site with a 30,000 – 50,000 tons / a plant

4



BIOETHYLENE OBTAINED FROM THE “OLD PROCESS” SHOULD BE SUITABLE FOR WACKER VAM AND VAE PRODUCTS

Bioethylene: Dehydration of Ethanol

� Assumption: WACKER consecutive processes should be relatively robust against typical side products of the dehydration.

� Advantage: lower capex

� Economies of scale up to 100,000 tons

� Are ACEO® and dehydration possible with aqueous ethanol?

4



WACKER’S STRATEGY IS STRONGLY BASED ON SUSTAINABILITY

Summary

Photovoltaics/

Solarthermal Process

BiomassMaterials, e.g. for Insulation

AcOH

VAM

VAE

DPP

PVOH

Ethylene

� All important C2 building blocks can be produced from biomass / bioethanol

� Resulting materials can be used e.g. for insulation to save primary energy

� Renewable energy through photovoltaics.

„Green“ Polymers

�� WACKER contributes to alternative energy generation and sustainable raw material use

CREATING TOMORROW'S SOLUTIONS

Dr. Fridolin Stary, Senior Vice President Corporate R&D, February 4th, 2010

CHEMISTRY AND BIOTECHNOLOGY - A PRODUCTIVE PARTNERSHIP FOR „GREEN“ CHEMICALS

@ Workshop Lighthouses of Sustainability – European Concepts for Competitive Bio-based Chemicals, Brussels

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