Commodity Production Costs Report
Dimethyl Ether Production from Synthesis Gas (Direct Method)
Dimethyl Ether Operating Costs & Plant Construction Costs
The report presents the economics of Dimethyl Ether (DME) production from synthesis gas (syngas) through a one-step process. In this process, syngas is reacted in the presence of a bifunctional catalyst that supports methanol syntheses and the subsequent dehydration of methanol to DME within a single reactor. The economic analysis performed assumes a plant located in the United States.
The report provides a comprehensive study of Dimethyl Ether production and related Dimethyl Ether production cost, covering three key aspects: a complete description of the Dimethyl Ether production process examined; an in-depth analysis of the related Dimethyl Ether plant capital cost (Capex); and an evaluation of the respective Dimethyl Ether plant operating costs (Opex).
The Dimethyl Ether 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 Dimethyl Ether 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 Dimethyl Ether 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 two major sections: (1) DME Synthesis; and (2) Purification.
DME synthesis. The syngas provided via a pipeline from a nearby facility is compressed to 50 bar and then fed to a fixed-bed synthesis reactor, in which it is directly converted to DME. Such direct synthesis of DME is carried out in the presence of a bifunctional zeolite-based catalyst system (Cu-Zn-Al/ZSM-5 catalyst). The reactor outlet gas is mainly comprised of DME, methanol, CO2 and unconverted hydrogen and CO.
Purification. The effluent from DME synthesis is cooled, and DME and methanol are separated from the gases by condensation. The separated gas is partially recycled to the DME synthesis, with a small purge. The DME-methanol condensate stream is then passed through distillation columns. In the CO2 column, absorbed gases – mostly carbon dioxide, unconverted carbon monoxide and methane present in the syngas feed – are removed from the DME and burned for fuel. In the DME column, DME product is purified from methanol and directed to storage facilities located outside battery limits. Finally, wastewater is separated in the methanol column and the methanol obtained is recycled to the DME synthesis.
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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 Dimethyl Ether 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 Dimethyl Ether 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 Dimethyl Ether 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 Dimethyl Ether 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 Dimethyl Ether Production Cost Reports
Dimethyl Ether Production from Natural Gas & CO2 (Direct Method)
The report presents the economics of Dimethyl Ether (DME) production from natural gas and carbon dioxide (CO2). In the process under analysis, natural gas is reformed with CO2 yielding synthesis gas (syngas). Syngas is then fed to a one-step process for DME generation - syngas conversion into methanol and methanol dehydration into DME are carried out in a single reaction step. The economic analysis performed assumes a plant located in the United States.
Details: 110 kta United States-based plant | Q3 2024 | 107 pages | Issue G | From $1,499 USD
Dimethyl Ether from CO2-Rich Natural Gas (Steam & CO2 Reforming)
This report presents the economics of Dimethyl Ether (DME) production from CO2-rich natural gas in the United States. The integrated process under analysis consists of three major steps. Initially, synthesis gas (syngas) is produced from natural gas, CO2 and water via a promising reforming process that combines dry and steam reforming. Then, the syngas is converted into methanol. The final step consists of the catalytic dehydration of methanol to generate DME.
Details: 1020 kta United States-based plant | Q3 2024 | 107 pages | Issue J | From $5,900 USD
Dimethyl Ether Production from Natural Gas
This report presents the economics of Dimethyl Ether (DME) production from synthesis gas in the United States. The process under analysis is a two-step process. The first step comprises the conversion of natural gas into synthesis gas (syngas) through combined reforming and subsequent formation of methanol from syngas. The second step consists of the catalytic dehydration of methanol to generate DME.
Details: 160 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $1,199 USD
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