Commodity Production Costs Report

Ethylene Glycol Production from Ethylene Oxide (Direct Hydrolysis)

Ethylene Glycol Operating Costs & Plant Construction Costs

690 kta United States-based plant | 107 Pages | Issue G | Q3 2024
Starting at $799 USD | See Report Editions Prices

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.

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.

Key reference(s): ?

Ethylene Glycol Production Cost Report Process Schematic

The process under analysis comprises two major sections: (1) Ethylene glycol synthesis; and (2) Ethylene glycol purification.

Ethylene glycol synthesis. The ethylene oxide is combined with water, heated and fed to a tubular reactor, where the ethylene oxide is thermally hydrolyzed to Ethylene Glycol without a catalyst. As ethylene oxide reacts with ethylene glycols more quickly than with water, diethylene glycol (DEG), triethylene glycol (TEG) and heavy glycols are also formed. The yields of such glycols, however, are minimized by conducting the reaction in excess of water, what ultimately improves selectivity towards MEG.

Ethylene glycol purification. The excess of water used in the EG reaction is removed from the reactor outlet by means of multi-stage evaporator. Then, the MEG is purified in successive distillation steps, while residual water is recycled to the reactor as process condensate and DEG and TEG are recovered as by-products.

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  • Production Process Information
  • Process Consumptions
  • Labor Requirements
  • Plant Capital Cost Summary
  • Operating Cost Summary
  • Production Costs Datasheet
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 80 Pages | 22 Tables | 9 Images

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Table of Contents


Features
  • Production Process Information
  • Process Consumptions
  • Labor Requirements
  • Plant Capital Cost Summary
  • Operating Cost Summary
  • Production Costs Datasheet
  • Plant Capital Cost Details
  • Operating Cost Details
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 90 Pages | 28 Tables | 13 Images

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Updated with Q3 2024 Data

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Table of Contents


Features
  • 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
  • Costs in Different Countries Add-on
  • See All Features

  • 107 Pages | 34 Tables | 22 Images
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  • Updated with Q3 2024 Data
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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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