Benzene Production from Naphtha
Benzene Production Costs Report | Issue J | Q4 2024
Report Details |
450 kta United States-based plant | Q4 2024 | 107 pages |
This report presents a cost analysis of a 450 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 study provides the economics of Benzene production from naphtha in the United States using an integrated aromatics complex, which involves the co-production of p-Xylene. In this process, naphtha is reformed, and the reformate is separated into Benzene, xylenes and toluene, which undergoes disproportionation, forming the other two products.
The report provides a comprehensive study of Benzene production and related Benzene production cost, covering three key aspects: a complete description of the Benzene production process examined; an in-depth analysis of the related Benzene plant capital cost (Capex); and an evaluation of the respective Benzene plant operating costs (Opex).
The Benzene 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 Benzene 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 Benzene 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 four major sections: (1) Naphta Hydrotreatment & Reforming; (2) Aromatics Separation; (3) Toluene Disproportionation; (4) Paraxylene Recovery
Naphta Hydrotreatment & Reforming. Initially, the naphtha feedstock is treated with hydrogen under high temperature and pressure conditions to remove impurities that act as poison for the catalysts downstream. The treated naphtha is then sent to catalytic reforming, where paraffins and naphthenes are converted to aromatics. The product from reforming is then sent to the aromatics separation section.
Aromatics Separation. The reformate is fed to a reformate splitter, where a C7- fraction is obtained as the top product and a C8+ heavier fraction as the bottom product. The C7- fraction is fed to a sulfolane extraction unit for aromatics recovery. The aromatic extract is sent to a column to recover the Benzene as the top product. The bottom of this column is fed to a second column where toluene is separated as distillate, while the bottom stream is fed to the xylene splitter, where xylenes are separated as the top product from C9+ aromatics, that exit from the bottom. These heavy aromatics are fed to a fourth column, where a C9 fraction is produced as overhead and then mixed with the toluene stream to be sent to the toluene disproportionation section.
Toluene Disproportionation. The toluene and C9 aromatics mix is then fed to a reactor to be converted into xylenes and benzene via disproportionation reaction. The product from the disproportionation unit is then recycled to the benzene column.
Paraxylene Recovery. The mixed xylenes produced as the top product of the xylene splitter are fed to an adsorption unit, where paraxylene is separated and purified. The separated raffinate stream is fed to an isomerization step, where ortho- and metaxylene, as well as ethylbenzene, are isomerized into paraxylene. The reactors effluent is sent to the deheptanizer, where C7 and lighter components are removed as the overhead product, while a mixed xylenes stream exits from the bottom and returns to the xylene splitter.
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Production Process Information
Process Consumptions
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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 Benzene 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 Benzene 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 Benzene 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 Benzene 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 Benzene Production Cost Reports
Benzene from Toluene (Conventional Toluene Disproportionation)
This report also presents the economics of Benzene production from toluene in the United States. This assessment depicts a conventional toluene disproportionation process (TDP).
Details: 400 kta United States-based plant | Q4 2024 | 107 pages | Issue F From $799 USD
The cost analyses presented in this report target a 400 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.
Benzene Production from Toluene & Heavy Aromatics
This report shows the costs associated with Benzene production from toluene and heavy aromatics in the United States using a typical transalkylation process. In this process, toluene and heavy aromatics are converted to Benzene and xylenes (co-product).
Details: 250 kta United States-based plant | Q4 2024 | 107 pages | Issue H From $799 USD
The cost analyses presented in this report target a 250 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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