Commodity Production Costs Report
Caprolactam from Cyclohexane (Photonitrozation Process)
Caprolactam Operating Costs & Plant Construction Costs
This report concerns the production of Caprolactam from cyclohexane in the United States. This report reviews a cyclohexane photonitrozation process (PNC). Initially, cyclohexane is submitted to PNC with nitrosyl chloride. The oxime produced is then subjected to Beckmann rearrangement and Caprolactam is formed.
The report provides a comprehensive study of Caprolactam production and related Caprolactam production cost, covering three key aspects: a complete description of the Caprolactam production process examined; an in-depth analysis of the related Caprolactam plant capital cost (Capex); and an evaluation of the respective Caprolactam plant operating costs (Opex).
The Caprolactam 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 Caprolactam 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 Caprolactam 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): ?

Product
Caprolactam. Caprolactam is the key raw material used in the production of nylon 6 fibers and resins, essential in textiles, carpets, and engineering plastics. Its high tensile strength and durability make it invaluable in automotive and industrial applications. Caprolactam is produced via the cyclohexanone oxime process. It is stored as solid flakes or granules and remains in high demand due to the growing global need for synthetic fibers and resins.
Raw Material
Cyclohexane. Cyclohexane, a relatively stable cycloalkane, is an important intermediate in nylon manufacturing. In fact, almost all cyclohexane produced commercially is employed in the production of Adipic Acid and caprolactam, precursors to nylon. A very small fraction of the cyclohexane produced is consumed in minor miscellaneous uses, such as solvents and polymer reaction diluents. On a commercial scale, cyclohexane production is almost entirely based on hydrogenation of benzene.
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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 Caprolactam 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 Caprolactam 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 Caprolactam 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 Caprolactam 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 Caprolactam Production Cost Reports

Caprolactam from Cyclohexane (Oximation with Hydroxylamine)
This report presents the economics of Caprolactam production from cyclohexane located in the United States. Initially, cyclohexane is oxidized to a cyclohexanol/cyclohexanone. Then, the cyclohexanol is hydrogenated to cyclohexanone, which is submitted to an oximation reaction with hydroxylamine. Finally, the cyclohexanone oxime produced is converted to Caprolactam by Beckmann rearrangement.
Details: 180 kta United States-based plant | Q3 2024 | 107 pages | Issue D | From $1,199 USD

Caprolactam Production from Phenol
This feasibility study examines the economics of a process producing Caprolactam from phenol located in the United States. Initially, phenol is hydrogenated to form cyclohexanone. The cyclohexanone is then submitted to an oximation reaction with hydroxylamine. Finally, the cyclohexanone oxime produced is converted to caprolactam by Beckmann rearrangement.
Details: 180 kta United States-based plant | Q3 2024 | 107 pages | Issue E | From $1,199 USD

Caprolactam Production from Butadiene and Hydrogen Cyanide
This feasibility study shows the economics of a Caprolactam production process from butadiene and hydrogen cyanide based on an industrial plant located in the United States. Hexamethylenediamine (HMDA) is generated as by-product in the process under analysis.
Details: 180 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $1,199 USD
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Other Related Production Cost Reports

Nylon 6 Production from Caprolactam (Batch Process)
This report presents the economics of Nylon 6 production from caprolactam. The typical process analyzed consists of a batch ring-opening polymerization of caprolactam via the hydrolytic mechanism. The economic assessment assumes a plant located in the United States.
Details: 65 kta United States-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD

Cyclohexane from Benzene and Hydrogen (Vapor-Phase Process)
This feasibility study shows the economics of Cyclohexane production from benzene using a vapor phase hydrogenation process in the presence of a nickel-based catalyst. The economic analysis presented is based on a plant constructed in the United States.
Details: 200 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $999 USD

Nylon 6 Production from Caprolactam (Continuous Process)
This report presents the economics of Nylon 6 production from caprolactam in the United States. The process examined is a typical continuous ring-opening polymerization of caprolactam via the hydrolytic mechanism, carried out in two stages, similar to technologies developed/licensed by Thyssenkrupp (Uhde Inventa-Fischer) and Air Liquide (Lurgi Zimmer). An aminoacid is the intermediate for condensation.
Details: 100 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $799 USD

Cyclohexane from Benzene and Hydrogen (Liquid-Phase Process)
This feasibility study shows the economics of Cyclohexane production from benzene using a liquid phase hydrogenation process in the presence of a nickel-based catalyst. The economic analysis presented is based on a plant constructed in the United States.
Details: 200 kta United States-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD
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