Fig. 2: Optimization result and economic analysis of methanol synthesis process. | Communications Chemistry

Fig. 2: Optimization result and economic analysis of methanol synthesis process.

From: Economically viable co-production of methanol and sulfuric acid via direct methane oxidation

Fig. 2

a Optimal process configuration resulted from superstructure optimization. The dotted squared area indicates the 3 stage consecutive flash units to recycle methane. b Capital expenditure (CAPEX) and operational expenditure (OPEX) breakdown of optimum process design. c Discounted cash flow (DCF), present value (PV) and net present value (NPV) over 15 years for optimum process design.

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