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Simulation and Economic Evaluation of Methylene Chloride Production via Methane Chlorination | ||
| Chemical Process Design | ||
| دوره 4، شماره 2، اسفند 2025، صفحه 12-23 اصل مقاله (443.79 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22111/cpd.2025.51967.1057 | ||
| نویسندگان | ||
| Sina Faraji* ؛ Mandana Mohammadpour | ||
| Faculty of Chemical engineering, Tabriz (Sahand) university of technology, Sahand new town, Tabriz, Iran. | ||
| چکیده | ||
| This study simulates and economically evaluates methylene chloride production via methane chlorination using Aspen HYSYS V11. A plug flow reactor (PFR) model optimized reaction conditions to 280°C and 2 bar with a methane-to-chlorine ratio of 1.5, achieving 51.68% methane conversion and 99% methylene chloride purity. Sensitivity analysis confirmed these parameters maximize yield while minimizing by-products (methyl chloride, chloroform, carbon tetrachloride). Sustainable design principles guided process integration, including sodium hydroxide/water absorption for HCl neutralization and distillation columns for product separation. By-product recovery enhanced profitability, yielding 97%-purity methyl chloride. Economic feasibility was assessed via Total Annual Cost (TAC) methodology, combining capital and operating expenditures. For a 1700 ton per year capacity, the TAC was $297000 per year, with by-product credits significantly improving economic viability. The design reduced energy consumption and waste through heat integration and efficient separation. This work demonstrates a scalable, economically resilient methylene chloride production process, highlighting the synergy between operational optimization, sustainable engineering, and profitability in industrial chlorination systems. | ||
تازه های تحقیق | ||
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| کلیدواژهها | ||
| Conceptual design؛ Process design؛ Economic feasibility؛ methane chlorination؛ methylene chloride | ||
| مراجع | ||
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