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Co-processing of renewable and fossil fuel feedstocks in traditional refinery units


   Faculty of Engineering and Informatics


About the Project

The simulation model of Fluid Catalytic Cracking (FCC) unit and many other refinery processes maximize the yields of fuels such as gasoline, diesel, propylene and minimize the yields of CO2. While the increased yields of gasoline, diesel and propylene add to the profitability of the refinery and meet the global demands for energy, CO2 emission constitute global warming. As a result of environmental policies which seeks to raise the need for renewables participation in the transportation sector, biomass-derived fuels are becoming an attractive alternative to replace, totally or partially, fossil ones. However, the sustainability concerns have to do with capital expenditures and operating expenses required if high-quality fuels are required as the final product.

The aim of the PhD is to co-process renewable and fossil fuel feedstocks in traditional refinery units like the FCC and hydrotreating. Co-processing of biomass-derived feedstocks in oil refineries is a good solution and can create the sustainable pathway for biofuels to be introduced in the market, since it reduces environmental impacts from fossil fuels, decreases the oil dependency of countries and, the most important one, takes advantage of existing conventional refinery unit facilities avoiding the erection of new plants. This work will require some experimental approach for choosing the right catalyst (to be developed if not available) and measuring the conversion from the raw material. The suitability of the fuel produced, and the CO2 emission test will be conducted, and the data produced will be exploited to improve fundamental understanding that guarantees long-term co-processing of biomass and fossil fuel as feedstock to improve the quality of fuels from the petroleum refineries. gPROMS, Aspen Hysys/Plus, Matlab, Ansys-Fluent and AutoCad are among the many software available for both equation-oriented and sequential-modular approach simulation in this work.

Applications to this project are welcomed through the University of Bradford web site.


References

Selalame TW, Patel R, Mujtaba IM, John YM. A Review of Modelling of the FCC Unit—Part II: The Regenerator. Energies. 2022 Jan;15(1):388. Yusuf AZ, John YM, Aderemi BO, Patel R, Mujtaba IM. Effect of hydrogen partial pressure on catalytic reforming process of naphtha. Comput Chem Eng. 2020 Dec 5;143:107090. John YM, Mustafa MA, Patel R, Mujtaba IM. Parameter estimation of a six-lump kinetic model of an industrial fluid catalytic cracking unit. Fuel. 2019 Jan 1;235:1436–54. Yusuf AZ, John YM, Aderemi BO, Patel R, Mujtaba IM. Modelling, simulation and sensitivity analysis of naphtha catalytic reforming reactions. Comput Chem Eng. 2019 Nov 2;130:106531.

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