Polyethylene Terephthalate from MEG and PTA (Polycondensation)
Polyethylene Terephthalate Production Costs Report | Issue A | Q2 2024
Report Details |
250 kta United States-based plant | Q2 2024 | 107 pages | Delivered in PDF |
This report presents a cost analysis of a 250 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 report presents the economics of Polyethylene Terephthalate (PET) production from ethylene glycol and purified terephthalic acid (PTA) in the United States, via a typical melt-phase process followed by a solid-state polymerization. Initially, oligomers are produced by the esterification of PTA with ethylene glycol. The oligomer then undergoes a melt-polymerization and a solid-state polymerization, yielding PET.
The report provides a comprehensive study of Polyethylene Terephthalate production and related Polyethylene Terephthalate production cost, covering three key aspects: a complete description of the Polyethylene Terephthalate production process examined; an in-depth analysis of the related Polyethylene Terephthalate plant capital cost (Capex); and an evaluation of the respective Polyethylene Terephthalate plant operating costs (Opex).
The Polyethylene Terephthalate 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 Polyethylene Terephthalate 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 Polyethylene Terephthalate 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 two major sections: (1) Melt-phase Polymerization; and (2) Solid-state Polymerization.
Melt-phase Polymerization. Terephtalic acid (PTA), ethylene glycol (MEG), and additives are mixed in the paste system and fed to three consecutive reactors: (1) esterification; (2) prepolymerization and (3) polycondensation. Water vapor formed and unreacted MEG are continuously removed and routed to MEG Recovery downstream. The resulting polymer is fed to a Pelletizing system, in which the molten PET is extruded, cooled, and then chopped into cylindrical shapes.
Solid-state Polymerization. The amorphous PET chips are directed to the Crystallization, where they are first submitted to a hot flow of nitrogen in order to prevent that PET chips stick together while the polymer moves through the glass transition temperature. The particles are then fed to the crystallizer itself, in which they achieve the minimum crystallinity to flow in the solid-state polycondensation (SSP) reactor, a long cylindrical hopper-type vessel, where high molecular weight polymer is formed. The PET product is further cooled, packed and stored.
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Production Process Information
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Production Costs Datasheet
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Production Process Information
Process Consumptions
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Operating Cost Summary
Production Costs Datasheet
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Operating Cost Details
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Updated with Q2 2024 Data
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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 Polyethylene Terephthalate 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 Polyethylene Terephthalate 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 Polyethylene Terephthalate 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 Polyethylene Terephthalate 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
Other Polyethylene Terephthalate Production Cost Reports
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It presents the economics of Polyethylene Terephthalate (PET) production from ethylene glycol and purified terephthalic acid (PTA) in the USA. The process examined in this report is a melt-phase process and solid-state polymerization similar to Invista NG3.
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