Commodity Production Costs Report
Ethylene Dichloride from Ethylene and Chlorine (HTC with Stripping)
Ethylene Dichloride Operating Costs & Plant Construction Costs
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.
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 two major sections: (1) Direct Chlorination; and (2) Purification.
Direct Chlorination. Chlorine and ethylene are fed to a chlorination reactor, filled with EDC as the reaction medium and operating at about 120 °C and 1 - 2.5 bar. The gaseous chlorine is added via an ejector to a circulating EDC stream withdrawn from the reactor. The reaction is carried out in a natural circulation reactor, in which the circulation is established in an internal loop consisting of a rinser section and a downcomer section. In the rinser section, both components react to form EDC in a fast liquid-phase reaction. The reaction is conducted with a slight excess of ethylene, leading to a conversion of almost 100% and selectivity higher than 99%.
Purification. The gaseous effluent from the reactor, containing most of the EDC formed, is condensed and passed onto a vessel. At this point, the EDC has a purity if 99.9 wt%. Part of the EDC is then recycled to the main reactor loop, while the remaining of the EDC is then submitted to a stripping step with nitrogen, for reducing residual hydrogen chloride and ethylene to 10 ppm (sales EDC quality). Off-gases from the process are routed to a incineration unit. Finally, the EDC is routed to storage facilities located outside battery limits.
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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 Production from Ethylene and HCl
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.
Details: 500 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $799 USD
Ethylene Dichloride from Ethylene and Chlorine (LTC Process)
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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