Commodity Production Costs Report
Polyethylene Terephthalate from MEG and PTA (Diol Incorporation)
Polyethylene Terephthalate Operating Costs & Plant Construction Costs
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.
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.
Key reference(s): ?
The process under analysis comprises three major sections: (1) Melt-phase Polymerization; (2) Solid-state Polymerization; and (3) Product Cooling and Packaging.
Melt-phase Polymerization. Terephtalic acid (PTA), ethylene glycol (MEG), and additives are mixed and fed to a termosiphon reactor, where esterification and partial polycondensation takes place. Water vapor formed and unreacted MEG are continuously removed and routed to MEG Recovery downstream. The low molecular weight polymer formed is sent to Diol Incorporation Area. Volatile compounds are flashed from the reaction product and routed to MEG Recovery. The product is fed to the top of a reactor, while nitrogen is fed to its bottom. Prepolymerization takes place, and the polymer melt is directed to the Thermoshock System downstream.
Solid-state Polymerization. In the Thermoshock System, melt-phase polymer is cooled, forming microcrystallites particles, that are stored in an intermediate silo, and directed to Precrystallization, where they are submitted to a hot flow of nitrogen. The precrystallized particles are fed to the crystallizer, in which they achieve the minimum crystallinity to flow in the solid-state polycondensation (SSP) reactor, where high molecular weight polymer is formed.
Product Cooling and Packaging. The nitrogen gas circulating the Solid-state Polymerization section is purified and cooled in a Nitrogen Purification area and recycled to that section. A portion of this treated gas stream is sent to Product Cooling, where it reduces the temperature and removes dust from the PET product coming from the SSP Reactor. The PET product is further cooled using cooling water, and directed to Product Silos and Packaging areas, where the PET is packed in bags and then sent to storage.
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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 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
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Other Polyethylene Terephthalate Production Cost Reports
Polyethylene Terephthalate from MEG and PTA (Polycondensation)
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.
Details: 250 kta United States-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD
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Other Related Production Cost Reports
Ethylene Glycol from Ethylene (Carbonation without EO By-Product)
This study presents the economics of Monoethylene Glycol (MEG) production from ethylene in the United States. The process described is similar to Shell OMEGA. First, ethylene is oxidized with pure oxygen to produce ethylene oxide (EO). The EO is then carbonated to generate ethylene carbonate, which is finally hydrolyzed to MEG.
Details: 750 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $1,199 USD
Medium-Purity Terephthalic Acid Production
This report presents the economics of Medium-Purity Terephthalic Acid (MTA) production. The analysis is based on a plant located in the United States starting from p-xylene using a typical catalytic oxidation process. In this process, p-xylene is oxidized to terephthalic acid (TPA). Then, the TPA is crystallized and recovered from the liquor and MTA is obtained as the final product.
Details: 750 kta United States-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD
Ethylene Glycol from Ethylene (Direct EO Hydrolysis)
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.
Details: 690 kta United States-based plant | Q3 2024 | 107 pages | Issue A | From $1,199 USD
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