Syngas Production from Natural Gas (Autothermal Reforming)
Syngas Production Costs Report | Issue A | Q3 2024
Report Details |
1,000 kta United States-based plant | Q3 2024 | 107 pages |
This report presents a cost analysis of a 1,000 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 Syngas (Synthesis Gas) production from natural gas using a typical autothermal reforming process. In this process, methane present in natural gas is converted to syngas by steam and oxygen. The economic analysis is based on the construction of a plant located in the United States.
The report provides a comprehensive study of Syngas production and related Syngas production cost, covering three key aspects: a complete description of the Syngas production process examined; an in-depth analysis of the related Syngas plant capital cost (Capex); and an evaluation of the respective Syngas plant operating costs (Opex).
The Syngas 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 Syngas 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 Syngas 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) Autothermal reforming; and (2) Syngas purification.
Autothermal reforming. First, natural gas passes through a desulfurization step for removal of organic sulfur compounds that poison the catalysts used in the reaction downstream. The desulfurized gas is then preheated and sent to the Pre-Reforming, where higher hydrocarbons found in the feed gas are converted into a methane-rich gas and hydrogen. This step prevents catalysts employed downstream from having its activity decreased by the presence of higher hydrocarbons. This pre-reformed gas is mixed with steam and carbon dioxide, and fed to an autothermal reformer. Inside the reactor, methane is converted to CO and hydrogen, using oxygen as the reforming agent.
Syngas purification. The autothermal reforming product is cooled - in order to condense the water present in the gas - and then fed to a column, where it is contacted countercurrently with a methyldiethanolamine (MDEA) solution that absorbs CO2. The overhead gas stream, free of CO2, is the Syngas product. The solution withdrawn as the column bottoms product is treated in a further column for solvent recovery (CO2 desorption). Part of the recovered CO2 is recycled to autothermal reforming, while the remainder is purged.
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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 Syngas 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 Syngas 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 Syngas 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 Syngas 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 Syngas Production Cost Reports
Syngas Production from Natural Gas (Combined Reforming)
This report approaches the Syngas (Synthesis Gas) production from natural gas via a combined reforming process. In the steam reformer, the natural gas reacts with steam and, in the secondary (autothermal) reformer, it reacts with oxygen. The economic analysis provided assumes a plant constructed in the United States.
Details: 2,500 kta United States-based plant | Q3 2024 | 107 pages | Issue G From $799 USD
The cost analyses presented in this report target a 2,500 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.
Syngas Production from Coal (H2/CO Ratio of 2)
This report approaches the construction of a plant producing Syngas in China via a coal gasification process. The final product obtained in the process under analysis is Syngas with a H2/CO ratio of 2.
Details: 1,000 kta China-based plant | Q3 2024 | 107 pages | Issue H From $799 USD
The cost analyses presented in this report target a 1,000 kta (kilo metric ton per annum per annum) China-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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