Commodity Production Costs Report
Ethyl Acetate Production from Ethanol
Ethyl Acetate Operating Costs & Plant Construction Costs
This report presents a techno-economic analysis of Ethyl Acetate production from ethanol via a process similar to the Johnson Matthey's Davy’s Ethyl Acetate technology. In this process, ethanol is dehydrogenated to acetaldehyde, which further reacts with ethanol to form Ethyl Acetate. The economic analysis provided assumes a plant located in the United States.
The report provides a comprehensive study of Ethyl Acetate production and related Ethyl Acetate production cost, covering three key aspects: a complete description of the Ethyl Acetate production process examined; an in-depth analysis of the related Ethyl Acetate plant capital cost (Capex); and an evaluation of the respective Ethyl Acetate plant operating costs (Opex).
The Ethyl Acetate production process description includes a block flow diagram (BFD), an overview of the industrial site installations, detailing both the process unit and the necessary infrastructure, process consumption figures and comprehensive process flow diagrams (PFD). The Ethyl Acetate plant capital cost analysis breaks down the Capex by plant cost (i.e., ISBL, OSBL and Contingency); owner's cost; working capital; and costs incurred during industrial plant commissioning and start-up. The Ethyl Acetate plant operating costs analysis covers operating expenses, including variable costs like raw materials and utilities, and fixed costs such as maintenance, labor, and depreciation.
Key reference(s): ?
The process under analysis comprises three major sections: (1) Dehydrogenation; (2) Hydrogenation; and (3) Distillation.
Dehydrogenation. Fresh ethanol is vaporized, mixed with an ethanol recycle stream and then fed to the dehydrogenation reactor. This reactor is divided in multiple reaction zones and between them heat exchangers are placed to heat the reaction medium, thus maintaining the reaction temperature. The synthesis is achieved in two steps within this reactor, ethanol is first dehydrogenated into acetaldehyde and then acetaldehyde condensates into ethyl acetate.
Hydrogenation. The output from the dehydrogenation is partially condensed and a gaseous hydrogen-rich stream is separated. Part of the gaseous stream is recycled to the dehydrogenation. A second fraction is directed to the hydrogenation step and a third part is burned for fuel. In the hydrogenation reactor the condensate stream is contacted with hydrogen in the presence of a catalyst that preferably hydrogenates aldehydes and ketones to their corresponding alcohols, which are easier to separate from ethyl acetate.
Distillation. The polished stream is composed of mostly ethanol and ethyl acetate, also contains water. These three compounds can form a minimum boiling point azeotrope mixture. A pressure swing distillation column system is used in order to cross the azeotrope composition. In a first low-pressure column, ethanol and water are recovered from the bottoms and a top stream close to the azeotrope composition is directed to a high-pressure column. In the pressure this column is operated, the ethyl acetate azeotrope composition is lower than that of the feed, so it is possible to recover purified ethyl acetate from the bottoms. The recycle ethanol stream from the low-pressure column is purified for the removal of water and other impurities and recycled to the dehydrogenation step.
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Professional report based on Q3 2024 economic data, ensuring timely evaluations.
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Content Highlights
Plant Capital Cost Summary
Summary outlining the capital cost required for building the Ethyl Acetate production plant examined.
Plant Capital Cost Details
Detailing of fixed capital (ISBL, OSBL & Owner’s Cost), working capital and additional capital requirements.
Plant Cost Breakdowns
Breakdown of Ethyl Acetate process unit (ISBL) costs and infrastructure (OSBL) costs; plant cost breakdown per discipline.
Operating Costs Summary
Summary presenting the operating variable costs and the total operating cost of the Ethyl Acetate production plant studied.
Operating Cost Details
Detailing of utilities costs, operating fixed costs and depreciation.
Plant Capacity Assessment
Comparative analysis of capital investment and operating costs for different Ethyl Acetate plant capacities.
Production Process Information
Block Flow Diagram, descriptions of process unit (ISBL) and site infrastructure (OSBL).
Process Consumptions
Raw materials and utilities consumption figures, by-products credits, labor requirements
Process Diagrams
Process flow diagrams (PFD), equipment list and industrial site configuration
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Other Ethyl Acetate Production Cost Reports
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Details: 100 kta United States-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD
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