Ethylene Glycol from Ethylene (Direct EO Hydrolysis)
Ethylene Glycol Production Costs Report | Issue A | Q3 2024
| Report Details |
| 690 kta United States-based plant | Q3 2024 | 107 pages |
This report presents a cost analysis of a 690 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 study presents the economics of Monoethylene Glycol (MEG) production from ethylene. The process described is similar to Shell MASTER. First, ethylene is oxidized with oxygen to produce ethylene oxide (EO), which is further hydrolyzed to MEG. The economic analysis provided assumes a plant located in the United States. Diethylene glycol (DEG) and triethylene glycol (TEG) are also generated as by-products.
The report provides a comprehensive study of Ethylene Glycol production and related Ethylene Glycol production cost, covering three key aspects: a complete description of the Ethylene Glycol production process examined; an in-depth analysis of the related Ethylene Glycol plant capital cost (Capex); and an evaluation of the respective Ethylene Glycol plant operating costs (Opex).
The Ethylene Glycol 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 Glycol 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 Glycol 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) Ethylene Oxide Formation; (2) Carbon Dioxide Removal; and (3) Glycols Reaction and Separation.
Ethylene Oxide Reaction. Ethylene, oxygen, methane make-up and recycle gas recovered downstream are mixed and fed to a multi-tubular catalytic reactor, in which ethylene oxide (EO) is produced. The reactor outlet is absorbed with water in the EO Absorber. The gaseous overhead stream is sent to Carbon Dioxide (CO2) Removal section. A side stream is sent to the EO Stripper. The bottom stream is directed to the EO Bleed Stripper, which recovers glycols formed in the absorber and feeds them to the EO Stripper, and eliminates wastewater from its bottom. From the EO Stripper, and a side stream is returned to the EO Absorber. An overhead gaseous stream is routed to a light-ends removal unit, where impurities are removed, while purified EO is sent to Ethylene Glycol (EG) Reaction.
Carbon Dioxide Removal. A small portion of the overhead stream from the EO Absorber is purged. Most of the stream is compressed and recycled to the EO Reaction area, while the remainder is routed to a CO2 Absorber and then to a CO2 Desorber. In these equipments, CO2 is removed, and purified recycle gas is sent to the EO Reactor.
Glycols Formation. In the EG Reaction area, purified EO is combined with recycled process condensate, and fed to a tubular reactor, where it is converted mainly to monoethylene glycol (MEG), but small amounts of diethylene glycol (DEG), triethylene glycol (TEG) and heavier glycols waste are also produced. Water is removed in an evaporator in the forms of steam and process condensate. The crude glycols mixture is directed to a series of columns to separate the products.
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Production Process Information
Process Consumptions
Labor Requirements
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 Ethylene Glycol 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 Glycol 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 Glycol 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 Glycol 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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Ethylene Glycol from Ethylene (Carbonation with EO By-Product)
This study evaluates the production of Monoethylene Glycol from ethylene in the United States. The process analyzed is similar to Shell OMEGA. In this process, ethylene is first oxidized to ethylene oxide (EO). Part of the ethylene oxide generated is sold as a by-product and the remaining part is carbonated to form ethylene carbonate, which is finally hydrolyzed to MEG.
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The cost analyses presented in this report target a 750 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.
Ethylene Glycol Production from Ethylene Oxide (Direct Hydrolysis)
This assessment approaches the production of Monoethylene Glycol (MEG) from ethylene oxide in the United States. In the process under analysis, ethylene oxide is directly hydrolyzed to MEG. Diethylene glycol (DEG) and triethylene glycol (TEG) are also generated as by-products.
Details: 690 kta United States-based plant | Q3 2024 | 107 pages | Issue G From $799 USD
The cost analyses presented in this report target a 690 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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