2-Ethylhexanol Production from Propylene and Syngas
Ethylhexanol Production Costs Report | Issue A | Q4 2024
| Report Details |
| 160 kta United States-based plant | Q4 2024 | 107 pages |
This report presents a cost analysis of a 160 kta (kilo metric ton per annum) United States-based plant. You can add a customized cost analysis, assuming another location (country), when ordering a premium edition of this report.
Report Abstract
This report presents the economics of 2-Ethylhexanol (2-EH) production from propylene and syngas located in the United States. Initially, propylene reacts with syngas in a hydroformylation reaction, yielding n-butyraldehyde. This step uses a conventional OXO-alcohol technology. Then, the n-butyraldehyde is submitted to an aldolization, and is subsequently dehydrated to 2-ethylpropylacrolein (EPA). Finally, the EPA is hydrogenated, yielding 2-EH.
The report provides a comprehensive study of Ethylhexanol production and related Ethylhexanol production cost, covering three key aspects: a complete description of the Ethylhexanol production process examined; an in-depth analysis of the related Ethylhexanol plant capital cost (Capex); and an evaluation of the respective Ethylhexanol plant operating costs (Opex).
The Ethylhexanol 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 Ethylhexanol 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 Ethylhexanol plant operating costs analysis covers operating expenses, including variable costs like raw materials and utilities, and fixed costs such as maintenance, labor, and depreciation.
Process Schematic
The process under analysis comprises three major sections: (1) Propylene Hydroformilation; (2) EPA Formation; and (3) EPA Hydrogenation.
Propylene Hydroformilation. Fresh propylene and syngas are treated to remove impurities that could poison the rhodium catalyst employed in the hydroformylation reaction, which yields n-butyraldehyde (NBAL) and iso-butyraldehyde (IBAL) as products. The reactor outlet is degassed, and unreacted gaseous reactants return to the reactor through a Vent Gas Compressor, while a liquid stream is routed to Catalyst Removal area. A flash vessel separates a liquid stream, sent to two absorber columns operating alternatively for catalyst regeneration, from a gas stream that is sent to a C3 Stripper. This stripper recovers propylene, which is sent to C3 Absorber and then returns to hydroformilation, while an aldehyde stream is routed to a distillation column to separate the NBAL from the IBAL.
EPA Formation. The NBAL is fed to the Condensation Reactor along with a caustic soda solution. where 2-ethyl-3-propyl acrolein (EPA) is formed. The product mixture is sent to the Reactive Column to strip off unreacted NBAL, which is returned to the reactor. The bottom stream from the Reactive Column is sent to a decanter to separate an organic phase of EPA from an aqueous phase of caustic soda, which is returned to the Condensation Reactor.
EPA Hydrogenation. The EPA solution from the decanter is fed to a distillation column, where heavy impurities are separated and removed from the EPA stream, which is condensed and routed to two hydrogenation zones, in which it reacts with hydrogen in the presence of heterogeneous catalysts, yielding 2-ethylhexanol. The product stream is sent to a column to purify the 2-EH, removing light ends as purge gas and discharging an aqueous phase as wastewater, and obtaining 2-EH from its bottom.
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Production Process Information
Process Consumptions
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Plant Capital Cost Summary
Operating Cost Summary
Production Costs Datasheet
Plant Capital Cost Details
Operating Cost Details
Plant Cost Breakdowns
Plant Capacity Assessment
Process Flow Diagrams
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Content Highlights
Plant Capital Cost Summary
Summary outlining the capital cost required for building the Ethylhexanol 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 Ethylhexanol 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 Ethylhexanol 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 Ethylhexanol 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
Other Ethylhexanol Production Cost Reports
2-Ethylhexanol Production from Butyraldehyde
This report presents the economics of 2-Ethylhexanol (2-EH) production from n-butyraldehyde. The process under analysis dehydrates n-butyraldehyde to obtain 2-ethylpropylacrolein, which is then hydrogenated to form the 2-Ethylhexanol. The economic assessment assumes a plant located in the United States.
Details: 160 kta United States-based plant | Q4 2024 | 107 pages | Issue B From $799 USD
The cost analyses presented in this report target a 160 kta (kilo metric ton per annum per annum) United States-based plant. For those interested in cost analyses considering other plant capacities and/or locations, Intratec offers a customized analysis as an optional feature.
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