| Title | Lignosulfonate-Based Carbon-Supported Pellets Catalyst to Enhance Sustainable Biofuel Production from Waste Cooking Oil |
|---|---|
| ID_Doc | 9159 |
| Authors | Silva, IF; Shekova, I; Volkel, A; Al-Naji, M; Antonietti, M |
| Title | Lignosulfonate-Based Carbon-Supported Pellets Catalyst to Enhance Sustainable Biofuel Production from Waste Cooking Oil |
| Year | 2024 |
| Published | Chemsuschem, 17.0, 17 |
| Abstract | In this study, a cost-effective and stable heterogeneous acidic carbocatalyst (CZnLS950) derived from Na-lignosulfonate (LS), a side product of the paper industry, was employed to produce hydrocarbon fuels through the pyrolysis of waste cooking oil (WCO) and crude natural-oil extracted from sunflower seeds, aligning with the principles of the circular economy. To enhance its practicality in industrial settings, the catalyst was synthesized in pellet form, enabling easy separation from the biofuel produced during the reaction. CZnLS950 exhibited remarkable catalytic efficiency in the pyrolysis of WCO, resulting in a 71 wt. % liquid biofuel yield under mild conditions. This performance is attributed to the unique synthesis procedure of acidic carbocatalyst, which utilizes LS and nano ZnO (20 nm) to create a hierarchical pore structure with acidic properties (1.1 mmol of NH3 g(-1)). Stability and reusability of the carbocatalyst were evaluated, and the results showed excellent stability with small catalytic deactivation (similar to 5 wt. %) after the fourth use. Attempts at distinct catalytic mechanisms for WCO and sunflower seeds crude natural-oil pyrolysis were provided to understand the processes involved in obtaining the two different biofuels produced. Overall, this study sets the stage for exploring Lignosulfonate-based materials to achieve renewable biofuel from recycling streams. |
| https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/cssc.202301786 |
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