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Study on the co-hydrogenation of coal tar and kitchen waste oil over Co–Mo/γ–Al2O3

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Abstract

In this work, the co-hydrogenation experiments of hydrogenated coal tar and kitchen waste oil were carried out in a fixed bed reactor using Co–Mo/γ–Al2O3 catalyst. Through the model compound experiment, it was found that aromatics can promote the hydrogenation saturation of fatty acids, especially tetralin. When tetralin was used as hydrogen donor, the fatty acids conversion rate increased by 2.7% (The reaction conditions are: 8 MPa, 320 °C, 1.0 h−1, and the H2/oil ratio is 800:1 (v/v)). After the coal tar was hydrogenated at 360 °C and then mixed with 40 mg/100 mL kitchen waste oil, the fatty acid conversion rate increased by 1.36%. The study proves the feasibility of co-hydrogenation technology of coal tar and kitchen waste oil.

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Acknowledgements

We gratefully acknowledge the financial support of Scientific Research Program Funded by Shaanxi Provincial Education Department (Program No.20JK0842)

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Correspondence to Menglong Niu.

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Ji, P., Fan, Z., Niu, M. et al. Study on the co-hydrogenation of coal tar and kitchen waste oil over Co–Mo/γ–Al2O3. Reac Kinet Mech Cat 132, 751–769 (2021). https://doi.org/10.1007/s11144-020-01914-5

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  • DOI: https://doi.org/10.1007/s11144-020-01914-5

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