Commodity Production Costs Report
Gaseous and Liquid Oxygen Production
Oxygen Operating Costs & Plant Construction Costs
This report examines the economics of a typical cryogenic distillation process for Oxygen production in a plant located in the United States, using atmospheric air as the starting material. The process presented in this report also produces argon as by-product. Nitrogen and the majority of the Oxygen produced are supplied in gaseous phase. Oxygen is also supplied in liquid phase, as well as all argon produced.
The report provides a comprehensive study of Oxygen production and related Oxygen production cost, covering three key aspects: a complete description of the Oxygen production process examined; an in-depth analysis of the related Oxygen plant capital cost (Capex); and an evaluation of the respective Oxygen plant operating costs (Opex).
The Oxygen 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 Oxygen 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 Oxygen 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) Purification; (2) Refrigeration; and (3) Rectification.
Feed preparation. Initially, the air is purified from dust particles, carbon dioxide and water. This is accomplished by compressing the air, passing it through a heat exchanger (causing water condensation) and then through an adsorbent bed of molecular sieve for the removal of water, carbon dioxide and traces of other impurities
Refrigeration. At this point the purified air is cooled down/liquefied, as required for rectification steps downstream. This step is conducted in a plate-fin heat exchanger, using refrigeration values contained in the products (oxygen, nitrogen) and waste (nitrogen) streams.
Rectification. The last step consists in submitting the cooled/liquified air to a fractional distillation carried out in two columns for nitrogen-oxygen separation, operating at different pressures, in such a way that nitrogen is distilled as a vapor and Oxygen is obtained both as vapor and liquid. In addition, since Oxygen and argon have close boiling points, a third column is used exclusively for the removal of argon, which is sent with some contaminants to a fourth column where it is separated as a liquid by-product.
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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 Oxygen 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 Oxygen 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 Oxygen 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 Oxygen 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 Oxygen Production Cost Reports
Gaseous Oxygen from Air (Vacuum Swing Adsorption Process)
This report presents a feasibility analysis of Oxygen production in the United States, using atmospheric air as the starting material. In this case, a typical vacuum swing adsorption process is applied for the production of low purity Oxygen. In this process, switching beds, each containing two strata, absorb water, carbon dioxide and nitrogen from the air, yielding low purity oxygen.
Details: 40 MM Nm3/y United States-based plant | Q3 2024 | 107 pages | Issue C | From $799 USD
Gaseous Oxygen from Air (Cryogenic Process)
This study provides a techno-economic analysis of a typical cryogenic distillation process for Oxygen production using atmospheric air as the starting material. Oxygen main product and nitrogen co-product are produced as high pressurized gases. The economic analysis presented assumes a plant located in the United States.
Details: 800 MM Nm3/y United States-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD
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