Cyclohexane from Benzene and Hydrogen (Liquid-Phase Process)
Cyclohexane Production Costs Report | Issue A | Q3 2024
| Report Details |
| 200 kta United States-based plant | Q3 2024 | 107 pages |
This report presents a cost analysis of a 200 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 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.
The report provides a comprehensive study of Cyclohexane production and related Cyclohexane production cost, covering three key aspects: a complete description of the Cyclohexane production process examined; an in-depth analysis of the related Cyclohexane plant capital cost (Capex); and an evaluation of the respective Cyclohexane plant operating costs (Opex).
The Cyclohexane 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 Cyclohexane 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 Cyclohexane 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 three major sections: (1) Reaction; (2) Hydrogen Recovery; and (3) Purification.
Reaction. Initially, benzene is fed to the primary reactor alongside fresh and recycled hydrogen. The hydrogenation reaction is carried out in a bubble column reactor, in the presence of a nickel based catalyst. The catalyst is maintained in a suspension with the aid of an external circulation loop. Most of the heat of reaction is removed by the vaporization of the product stream; the remaining reaction heat is removed in the external loop, by passing the reactor reflux stream through a heat exchanger against boiler feedwater, producing low pressure steam. Most of the benzene feed is converted in this step. The top gaseous product stream is directed to a fixed-bed reactor, where the remaining benzene content is converted to cyclohexane. The finishing hydrogenation reaction is conducted in the presence of a solid nickel based catalyst supported on alumina.
Hydrogen Recovery. The product stream is fed to a knock-out drum operated at high pressure. Most of the cyclohexane in the feed condenses producing two streams, one gaseous hydrogen-rich stream and a liquid cyclohexane-rich stream. The hydrogen stream is routed to the Recycle Compressor, where it is compressed to the Primary Reactor reaction pressure and recycled.
Purification. In a distillation column, the liquid cyclohexane-rich stream is stripped of lighter contaminants, such as methane, ethane and soluble hydrogen. Light-ends recovered from column’s top are used for fuel, while a cyclohexane stream with a residual benzene content that is lower than 100 ppm is obtained from column’s bottom.
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Production Process Information
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Production Process Information
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Production Costs Datasheet
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Operating Cost Details
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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 Cyclohexane 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 Cyclohexane 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 Cyclohexane 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 Cyclohexane 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 Cyclohexane Production Cost Reports
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
The cost analyses presented in this report target a 200 kta (kilo metric ton per annum per annum) United States-based plant. For those interested in cost analyses considering other plant capacities and/or locations, Intratec offers a customized analysis as an optional feature.
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