The process design and simulation for the methanol production on the FPSO (floating production, storage and off-loading) system
- The process design and simulation for the methanol production on the FPSO (floating production, storage and off-loading) system
- 김원석; 양대륙; 문동주; 안병성
- Methanol production; Process simulation; Optimization; Stranded gas; CO2 utilization; FPSO
- Issue Date
- Chemical engineering research & design : transactions of the Institution of Chemical Engineers
- VOL 92, NO 5, 931-940
- tA process for methanol production from 100 MM scfd of stranded gas and CO2is proposed and simulated using acommercial process simulator, PRO/II v.9.1, for a FPSO (floating production, storage, off-loading) system. The processconsists of Steam-CO2Reforming (SCR), methanol synthesis, a Reverse Water-Gas Shift (RWGS) reaction and ancillar-ies with recycle streams to SCR and RWGS. All reactors were simulated using the Gibbs reactor model. Also, the PlugFlow Reactor (PFR) model with reaction rate equations was used for the methanol reactor and the result was com-pared to the Gibbs reactor model. To maximize the use of the carbon source in stranded gas and CO2while avoidingan undesirable increase in process size, the optimum recycle ratios were calculated with a satisfying constraint, asteam-to-carbon ratio ≥ 1 in the SCR. In the proposed Methanol-FPSO process the RWGS reactor can maximize CO2utilization and case studies were performed to analyze the influence of RWGS.
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