ETHYL LACTATE PRODUCTION-POWERPOINT

ETHYL LACTATE PRODUCTION-POWERPOINT - Ethyl Lactate Group...

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Ethyl Lactate Group 5: Jeremy Jones Trung Pham Kristin Smart David Splinter Michael Steele Thursday, May 1st, 2003
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Presentation Outline ± Solvent z What is a solvent? z Characteristics of a good solvent ± Process considerations z Plant layout and process specifications z Equipment costs z Economic analysis ± Business Plan (Mathematical model) z Optimization z Business strategy
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What is a Solvent? ± Industrial uses z Removes grease z Cleaning purposes ± Dissolves hydrocarbons ± Volatility z High volatility – fast evaporation home use z Low volatility - safety, reuse, emissions
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Conventional Solvents Petroleum Based Organic Compounds Toxic, EPA standards limit use Added cost of disposal http://www.p2pays.org/ref/07/06851.pdf
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Green Solvents ± Organic raw materials Renewable resources ± Non-toxic No disposal costs ± Non-volatile Safe and recyclable
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400 600 800 1000 1200 1400 1600 1985 1990 1995 2000 2005 2010 Year Demand (million lbs) Green Solvent Demand Total domestic solvent demand – 11 billion pounds per year
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Solvent Comparison ± EPA regulations z Toxic Release Inventory (TRI) ± Evaporation rate z Reusability in industrial applications ± Price ($/lb) ± Effectiveness z Ability for a solvent to maintain its characteristics when reused z Characterizes the strength of the solvent
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Why Ethyl Lactate? Ethyl lactate – effective, economic, non-toxic
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Process Flow Diagram Ethyl Lactate Lactic Acid Ethanol Final Product – 99% Ethyl Lactate C 2 H 5 OH+ C 3 H 6 O 3 Æ C 5 H 10 O 3 + H 2 O
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Innovations ± Electrodialysis z Traditionally useful for decreasing salt concentration in solution z Lactic acid purification ± Pervaporation z Traditionally useful for alcohol dehydration z Organic removal from water
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Business Plan ± Number of plants ± Plant location(s) ± Product market(s) ± Raw material(s) ± Raw material market(s) Input Output Mathematical Model ± FCI vs. Capacity ± Operating Costs ± Raw Materials ± Locations ± Distances ± Freight costs ± Taxes ± Demand ± Product Prices
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Base Equipment Costs ± Equipment costs are based on 63 million pounds of annual ethyl lactate production z Base equipment costs include no capital improvements ± Effects on capacity z Equipment based on maximum possible capacity, then set to lower operating conditions z Equipment can be added later
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Raw Material Milling ± Quantity – 3 units ± Total equipment cost $480,000 ± Rated throughput – 41,000 lb h -1 z 327,000 lb per batch; z 72.7 million pounds annually ± Process time – 8 h
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Blending Tanks ± Quantity – 10 units ± Total equipment cost $3,140,000 ± Volume – 80,000 L z Blends water and sugars; 90-10 weight % ± Process time – 5.3 h
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Fermentation ± Quantity – 14 units z 7 Ethanol-specific; 7 lactic acid-specific ± Total equipment cost – $29,358,000 ± Volume – 350,000 L ± Process time – 27 h
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Electrodialysis Process Solution purification by application of an electric current.
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Lactic Acid Separation by Electrodialysis ± Why Electrodialysis (ED)?
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ETHYL LACTATE PRODUCTION-POWERPOINT - Ethyl Lactate Group...

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