Commodity Production Costs Report
Hydrogen Cyanide from Ammonia and Natural Gas (With Air)
Hydrogen Cyanide Operating Costs & Plant Construction Costs
This study provides the economics of Hydrogen Cyanide production in the United States using a direct synthesis method similar to Andrussow process, which involves the reaction of ammonia, methane (natural gas), and air to produce HCN.
The report provides a comprehensive study of Hydrogen Cyanide production and related Hydrogen Cyanide production cost, covering three key aspects: a complete description of the Hydrogen Cyanide production process examined; an in-depth analysis of the related Hydrogen Cyanide plant capital cost (Capex); and an evaluation of the respective Hydrogen Cyanide plant operating costs (Opex).
The Hydrogen Cyanide 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 Hydrogen Cyanide 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 Hydrogen Cyanide 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) Reaction; (2) Ammonia recovery; and (3) Product purification.
Reaction. Natural gas, ammonia and air are fed to the reactor, where HCN is formed through a catalytic reaction. The product stream, containing HCN and unreacted ammonia, must be cooled down to avoid HCN decomposition. This is accomplished in a waste-heat boiler located below the reactor, generating enough steam for the process and providing a surplus.
Ammonia recovery. The product stream is fed to the bottom of the ammonia absorber, where an aqueous phosphate solution is used to absorb ammonia. The overhead stream from this column, which contains mainly HCN, is sent to the purification section. The bottoms, containing ammonia and a small amount of HCN, are sent to the first HCN stripper. In this column, HCN is separated in the overheads and recycled to the ammonia absorber, while the bottoms stream is fed to the top of the ammonia stripper. In the ammonium stripper, the phosphate is separated and recycled to the top of the ammonia absorber, while ammonia free of phosphate is directed to the ammonia fractionator, where it is concentrated and then recycled to the reaction section.
Product purification. The HCN containing stream is fed to the HCN absorber, where HCN is absorbed in cold water. The overhead vent gas is incinerated, since it can still contain some HCN. The bottoms stream from the HCN absorber is directed to the second HCN stripper where the product is separated from water, and then purified in the HCN fractionator to obtain 99.5% HCN 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 Hydrogen Cyanide 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 Hydrogen Cyanide 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 Hydrogen Cyanide 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 Hydrogen Cyanide 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 Hydrogen Cyanide Production Cost Reports
Hydrogen Cyanide from Ammonia and Natural Gas (Without Air)
This report provides the economics of Hydrogen Cyanide production in the United States using a direct synthesis method similar to BMA (Blausäure-Methan-Ammoniak) process, which involves the reaction of ammonia and methane (natural gas) without air.
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