Commodity Production Costs Report
Ethylene Dichloride Production from Ethylene and HCl
Ethylene Dichloride Operating Costs & Plant Construction Costs
This feasibility study approaches the economics of Ethylene Dichloride (EDC) production from ethylene and hydrogen chloride in the United States using an oxychlorination process carried out in fluidized-bed reactors. In the oxychlorination, hydrogen chloride (HCl) is reacted with ethylene and oxygen, yielding EDC and water.
The report provides a comprehensive study of Ethylene Dichloride production and related Ethylene Dichloride production cost, covering three key aspects: a complete description of the Ethylene Dichloride production process examined; an in-depth analysis of the related Ethylene Dichloride plant capital cost (Capex); and an evaluation of the respective Ethylene Dichloride plant operating costs (Opex).
The Ethylene Dichloride 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 Ethylene Dichloride 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 Ethylene Dichloride 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) Oxychlorination; and (2) Purification.
Oxychlorination. In the oxychlorination, hydrogen chloride (HCl) is reacted with ethylene and oxygen, yielding EDC and water. The reaction is conducted above 200 °C in a fluidized-bed reactor. Oxygen is added so as to keep the concentration of the circulation gas outside the explosive range. While the reaction is highly exothermic, reaction heat is recovered by means of steam generation via internal cooling coils. High conversion and selectivity are obtained with metallic chlorides catalysts.
Purification. Initially, most of the water in the oxychlorinator effluent is removed by condensation in a quench tower. The EDC obtained as overhead is partially condensed in a multi-stage condensation unit, by cooling water and chilled water. Subsequently, the EDC is separated into vapor, aqueous, and organic phases. The liquid and gaseous by-products generated from side reactions are treated. Such compounds, along with air, are fed to a fluidized bed reactor, where a catalytic oxidation is carried out converting the by-products to CO2, water and HCl, which is recovered and used in the oxychlorination step. The organic phase, a crude EDC stream with purity of about 99.6 wt%, is fed to three distillation columns where water, low-boiling substances and high-boiling compounds are removed, leading to Ethylene Dichloride with a purity of 99.9 wt%
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Content Highlights
Plant Capital Cost Summary
Summary outlining the capital cost required for building the Ethylene Dichloride 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 Ethylene Dichloride 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 Ethylene Dichloride 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 Ethylene Dichloride 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 Ethylene Dichloride Production Cost Reports
Ethylene Dichloride from Ethylene and Chlorine (HTC with Stripping)
This report presents the economics of Ethylene Dichloride (EDC) production from ethylene and chlorine by direct chlorination in the United States. The process examined in this report is based on a liquid-phase high temperature chlorination (HTC) process, similar to the one developed by Vinnolit.
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This report presents a techno-economic analysis of Ethylene Dichloride (EDC) production from ethylene and chlorine in the United States using a direct chlorination process consisting in a liquid-phase low temperature chlorination (LTC). In this process, ethylene is chlorinated to EDC in liquid phase, using EDC itself as the solvent.
Details: 500 kta United States-based plant | Q3 2024 | 107 pages | Issue C | From $799 USD
Ethylene Dichloride from Ethylene and Chlorine (HTC with Distillation)
This report presents a techno-economic analysis of Ethylene Dichloride (EDC) production from ethylene and chlorine in the United States using a direct chlorination process consisting in a liquid-phase high temperature chlorination (HTC). In this process, ethylene is chlorinated to EDC in liquid phase, using EDC itself as the solvent.
Details: 500 kta United States-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD
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