Continuous vs. Batch Extraction Economic Comparison
A process engineering model to evaluate the unit production cost of oilseed extraction by comparing capital depreciation, solvent make-up costs, and labor expenses between batch and continuous systems.
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1. Define Input Parameters
2. Engineering Output
Annual operating hours (t_annual)
- h/year
- h/year
Annual oil production (m_oil_annual)
- kg oil/year
- kg oil/year
Annual capital cost (C_capital)
- $/year
- $/year
Solvent circulation rate (m_circ)
- kg/h
- kg/h
Annual solvent cost (C_solvent)
- $/year
- $/year
Annual labor cost (C_labor)
- $/year
- $/year
Unit production cost (C_unit)
- $/kg oil
- $/kg oil
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Download Offline Excel CalculationContext & Assumptions
This economic model assists process engineers in performing front-end engineering design (FEED) to justify capital expenditure for extraction technology upgrades. By normalizing annual operating costs against total oil production, it provides a clear metric for comparing the operational efficiency of continuous versus batch processing systems.
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