DL-Methionine from Propylene, Methyl Mercaptan and HCN
Methionine Production Costs Report | Issue G | Q3 2024
| Report Details |
| 150 kta United States-based plant | Q3 2024 | 107 pages |
This report presents a cost analysis of a 150 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 presents the economics of an integrated process for DL-Methionine production starting from propylene in the USA. Initially, propylene is oxidized to acrolein, which is then reacted with methyl mercaptan to generate methional. Finally, methional is reacted with hydrogen cyanide (HCN) to form methionine via a typical carbonate process.
The report provides a comprehensive study of Methionine production and related Methionine production cost, covering three key aspects: a complete description of the Methionine production process examined; an in-depth analysis of the related Methionine plant capital cost (Capex); and an evaluation of the respective Methionine plant operating costs (Opex).
The Methionine 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 Methionine 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 Methionine 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 can be divided into four main areas: (1) Acrolein production; (2) MMP production; (3) hydantoin production; and (4) DLM production.
Acrolein production. Propene is mixed with air and inert gas and is fed to a multitubular fixed-bed reactor, yielding acrolein. The gas effluent is quenched, absorbed in water and stripped to generate crude acrolein product.
MMP production. Acrolein gas is fed to an absorber, where it is contacted with a circulating liquid mixture containing mainly MMP, methyl mercaptan, acrolein liquid feed and catalyst/stabilizer. In the liquid phase, the acrolein reacts with methyl mercaptan generating MMP. The MMP generated exits through the bottom of the absorber, while impurities are stripped from the top of the absorber column.
Hydantoin production. The MMP is reacted with HCN and an aqueous solution of carbon dioxide (CO2) and ammonia (NH3) to form the intermediate hydantoin (which corresponds to 5-(2-methylmercaptoethyl)hydantoin). The reaction occurs in two reactors.
Hydantoin hydrolysis. The hydantoin product stream and potassium carbonate (K2CO3) are fed to the hydrolysis reactive column. CO2 and NH3 liberated by column's top are recycled to the hydantoin primary reactor. The bottom stream, containing potassium methioninate (KMET), is sent to the DLM production section. The KMET stream and recycled CO2 are fed to the DLM reactor, forming KHCO3 and DLM. The methionine is fed to a vacuum crystallizer and the crystals are vacuum-filtered. The resulting KHCO3-containing filtrate is sent to the decarbonator for K2CO3 regeneration. The Methionine cake is dried and sent to packaging and storage.
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Production Process Information
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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 Methionine 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 Methionine 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 Methionine 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 Methionine 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 Methionine Production Cost Reports
Methionine Hydroxy Analog Production from Methional and HCN
This report presents the economics of Methionine Hydroxy Analog production from methional and hydrogen cyanide (HCN) in the United States via a typical process. In this process, methional reacts with HCN to produce hydroxy methylthiobutyronitrile (HMBN) intermediate, which is hydrolyzed to Methionine Hydroxy Analog.
Details: 150 kta United States-based plant | Q3 2024 | 107 pages | Issue E From $799 USD
The cost analyses presented in this report target a 150 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.
Methionine Hydroxy Analog from Acrolein, Methyl Mercaptan and HCN
This study presents the economics of Methionine Hydroxy Analog production from acrolein, methyl mercaptan, and hydrogen cyanide (HCN) in the United States. In this process, acrolein and methyl mercaptan are reacted to form methional. The methional reacts with HCN to produce hydroxy methylthiobutyronitrile (HMBN) intermediate, which is hydrolyzed to Methionine Hydroxy Analog.
Details: 150 kta United States-based plant | Q3 2024 | 107 pages | Issue F From $1,199 USD
The cost analyses presented in this report target a 150 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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