Commodity Production Costs Report
Allyl Polyethylene Glycol Production
Allyl PEG Operating Costs & Plant Construction Costs
This report presents the economics of Allyl Polyethylene Glycol (PEG) production in the United States. The analysis assumes an industrial plant that generates Allyl PEG starting from PEG and allyl chloride. In this batchwise process, methoxy polyethylene glycol ether (MPEG) reacts with allyl chloride to generate an allyl-terminated polyethylene glycol methyl ether (Allyl PEG).
The report provides a comprehensive study of Allyl PEG production and related Allyl PEG production cost, covering three key aspects: a complete description of the Allyl PEG production process examined; an in-depth analysis of the related Allyl PEG plant capital cost (Capex); and an evaluation of the respective Allyl PEG plant operating costs (Opex).
The Allyl PEG 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 Allyl PEG 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 Allyl PEG 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) Reaction; and (2) Purification.
Reaction. At first, the reactor is purged with nitrogen to guarantee an inert atmosphere during reaction and prevent side oxidative attack to MPEG. The reactor is then charged with MPEG, allyl chloride and catalyst (tetrabutylammonium bromide) at a molar ratio of 1:1.2:0.05 (MPEG:allyl chloride:catalyst). Once reactor is fully charged, its content is gradually heated to 60 °C. The reaction takes approximately 5 hours. During this period, a condenser at the top of the reactor guarantees that any allyl chloride vapors formed are returned to the reactor.
Purification. Once reaction is completed, the reactor mixture is sent to a mixing vessel. In that vessel, the reactor effluent is dissolved in ethyl acetate and washed multiple times with a saturated sodium chloride solution. The washed mixture is routed to a decanter, where an aqueous layer is separated from an organic phase comprising the reactor product. The remaining organic layer is than subjected to a vacuum evaporation step, in which ethyl acetate and remaining impurities are removed and a purified stream of Allyl PEG is obtained.
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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 Allyl PEG 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 Allyl PEG 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 Allyl PEG 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 Allyl PEG 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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