Commodity Production Costs Report
Mixed Methylchlorosilanes Production
Chlorosilanes Operating Costs & Plant Construction Costs
This report presents the economics of Mixed Methylchlorosilanes (mostly dimethyldichlorosilanes) production, starting from silicon and methyl chloride. The economic analysis approaches a plant located in the United States. In this process, methyl chloride and silicon powder are reacted in a fluidized bed reactor with copper catalyst, yielding the methylchlorosilanes.
The report provides a comprehensive study of Chlorosilanes production and related Chlorosilanes production cost, covering three key aspects: a complete description of the Chlorosilanes production process examined; an in-depth analysis of the related Chlorosilanes plant capital cost (Capex); and an evaluation of the respective Chlorosilanes plant operating costs (Opex).
The Chlorosilanes 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 Chlorosilanes 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 Chlorosilanes 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 two major sections: (1) Reaction; and (2) Products Separation.
Reaction. Silicon lumps are crushed in a jaw crusher, ground to silicon powder in a mill, and subsequently fed to the reactor. The reaction is carried out in a fluidized-bed reactor, in the presence of copper catalysts. Thorough mixing of the catalysts in the CH3Cl feed is of great important. Methyl chloride is vaporized and fed to the reactor as well. While such direct synthesis is strongly exothermic, reaction heat is removed by heat transfer oil circulating in a reactor cooling jacket and a heat exchanger inside the reactor. The hot heat transfer oil, in turn, is used to heat other operations in the process. As the reaction proceeds, silicon is consumed yielding a crude silane mixture. Silicon conversions of 90–98% are achieved.
Products Separation. The reaction effluent, still containing unreacted methyl chloride, is purified for the recovery of such reagent by means of two partial condensations. The methyl chloride is absorbed in chlorobenzene and stripped off from the solution formed upstream before it is recycled to the reaction. The crude silanes are then passed through multiple distillation columns, after which different silane monomers are obtained, according to the following distribution:
- 88.8 wt% of Dimethyldichlorosilane
- 5.1 wt% of Methyltrichloosilane
- 4.1 wt% of Trimethylchlorosilane
- 2.0 wt% of Methyldichlorosilane
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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 Chlorosilanes 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 Chlorosilanes 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 Chlorosilanes 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 Chlorosilanes 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 Chlorosilanes Production Cost Reports
Phenylchlorosilanes Production
This report presents a feasibility analysis of Phenylmethyldichlorosilanes production starting from benzene and methyldichlorosilanes. In this batch process, benzene and methyldichlorosilane are mixed with a boron trichloride solution - which works as catalyst for the reaction. The study assumes a plant located in the United States.
Details: 3 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $1,999 USD
Vinylchlorosilanes Production
This report presents a techno-economic study of Vinylmethyldichlorosilane production using a conventional industrial process based on high temperature condensation of vinyl chloride with methyldichlorosilane. The economic analysis is based on a plant located in the United States.
Details: 1.5 kta United States-based plant | Q3 2024 | 107 pages | Issue C | From $1,999 USD
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Other Related Production Cost Reports
Phenylchlorosilanes Production
This report presents a feasibility analysis of Phenylmethyldichlorosilanes production starting from benzene and methyldichlorosilanes. In this batch process, benzene and methyldichlorosilane are mixed with a boron trichloride solution - which works as catalyst for the reaction. The study assumes a plant located in the United States.
Details: 3 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $1,999 USD
Vinylchlorosilanes Production
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This report presents the economics of Methyl Chloride production from methanol and hydrogen chloride. The economic analysis encompasses a plant located in the United States using a conventional industrial process where chloridric acid is combined with methanol in a reaction occurring in vapor phase over a catalyst bed.
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