Energy Efficient Bioethanol Production

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Energy Efficient Bioethanol Production 16.4.2008 Dr. Daniel Bethge GmbH

Divisions of GEA Group

Process Engineering Division Niro A/S Niro Inc. Niro Pharma Systems Aeromatic-Fielder Barr-Rosin Collette NV Courtoy NV GEA Liquid Processing Scandinavia GEA Wiegand GmbH GEA Process Engineering France SAS - Kestner Division - Niro Evaporator Division Evaporator Department Niro Inc. GEA Messo AG GEA Messo GmbH GEA Jet Pumps GmbH GEA Filtration (Niro Inc.) Tuchenhagen Brewery Systems Tuchenhagen Dairy Systems Strategic Business Unit Evaporation, Distillation & Crystallization

History

History

Research and Development R&D Competence Centre of the Strategic Business Unit GEA Evaporation & Crystallization Stationary & Mobile Pilot Plants for: - Fermentation - Distillation, Rectification - Dehydration - Evaporation - Membrane Filtration - Crystallization Laboratory / Analysis

Apparatus Engineering Our workshop Beckum: Tanks Columns Heat Exchangers Storage tanks Torospherical heads Flanges Manholes Special construction (New: Third Party Component Manufacturing) certified certified according according to: to: --DIN DIN ISO ISO 9001 9001 --ASME ASME U-Stamp U-Stamp --UDT UDT

After Sales Support Competent customer service Worldwide technical assistance Quick and reliable spare part procurement Disassembly and reassembly Remote support service

Distillation Expertise Rectification/Distillation Plants Ethanol (complete turn-key plants) Drinking alcohol (Vodka) Glycerine, Isopropanol, Methanol, Solvent recovery Fermentation (Batch & Continuous) Molecular sieves (Dehydration) Rectification system for drinking alcohol, 4-column system for the purification of crude alcohol Daily capacity: 120,000 litres of alcohol Approx. 50 plants have been delivered

Market Trend World Ethanol production in Mio To/year 120 100 80 60 40 20 0 2000 2005 2010 2015 2020

Bioethanol from Grain Process Water Enzyme Enzyme CO 2 Grain Milling + Bran Separation Mashing Liquefaction Saccharification Fermentation Ethanol Ethanol storage Dehydration Rectification Distillation DDGS DDGS dryer Highconcentrator Preevaporator Decanter Retentate Condensat polisher Lutterwater Permeate

Energy Cost Percentage of the total energy cost for the different areas 42% 8% 2% 9% 39% Milling Liquefaction/ Fermentation Distillation, rectification, dehydration Decantation, evaporation Drying, pelletizing capacity: 380.000 l/ day raw material: corn recycle stillage : 20% costs of energy: 20 /t steam, 0,07 /KWh electricity, 0,3 /kg natural gas

Bioethanol Technology

Bioethanol Technology

Bioethanol Technology

Bioethanol Technology

Bioethanol Technology

Advantage Steam costs 24 euro / t Electric energy 0.08 euro / kwh Production costs -2 cent per litre ethanol 380,000 litre per day x 0.02 euro = 7,600 euro per day 7,600 euro per day x 330 days per annum = Additional earnings: 2,500,000 euro per annum

Customer Benefits Energy saving: 50 % CO 2 reduction: 15,000 tons p.a. * Customer needs less marketable pollution rights Additional earnings: 2,500,000 euro p.a. * * based on 100.000 tons p.a. ethanol plant

Distillation Towers during Assembly

MVR

One-Stop Delivery decanters plate heat exchangers driers tank farms ejectors, gas scrubbers membranes spirit concentration meters cooling towers