Sep 2026· ACS Sustainable Chemistry & Engineering· Vol 14, pp. 17210-17222· 0 citations· 49 references
Abstract
Biomass-plastic catalytic co-pyrolysis offers a promising route to aromatics, yet high-value monocyclic aromatic (MAH) selectivity remains challenged by the complex interdependencies of reaction parameters. Herein, we present a machine learning-guided strategy to maximize MAH production from the co-pyrolysis of rice straw and polypropylene. Central to this strategy is a hierarchical HZSM-5 zeolite synthesized using rice husk ash as the sole silica source. A hybrid methodology combining response surface methodology and machine learning models was employed to optimize four critical variables: temperature, feedstock mass ratio, catalyst Si/Al ratio, and catalyst loading. Under the optimal conditions, an exceptional MAH content of 71.7% was achieved. The biomass-derived catalyst exhibited superior activity and excellent stability. A cradle-to-gate assessment further revealed category-specific environmental differences between the rice-husk-derived and commercial zeolite production routes under the adopted inventory assumptions. This work establishes a data-driven platform for the efficient upcycling of waste into chemical feedstocks.
Waste cooking oil is a valuable feedstock for renewable biofuels via hydrodeoxygenation reactions. This study presents a novel strategy with nickel catalysts supported by carbon derived from waste tire rubber (Ni/C). The findings reveal the synthesis of renewable biofuel with diesel-like properties. Under the investiga...
Fernando Trejo, M. Sánchez-Cárdenas, Martín Montes Rivera et al.· Applied Sciences· 0 citations
Co-gasification of rice husk and polymer waste presents a sustainable pathway for methanol production, addressing waste management challenges while supporting renewable energy demand. This study applies ensemble machine learning models like Extreme Gradient Boosting (XGBoost), Gradient Boosting Regressor (GBR), and Ran...
S. Santhanakrishnan, G. Vijayaraghavan, N. Senthilkumar et al.· Bulletin of the Chemical Soc...· 0 citations
Spent cathode carbon (SCC), a hazardous waste generated during primary aluminium production, contains valuable graphitic carbon resources but remains difficult to recycle because carbon purification is governed by complex interactions among multiple leaching parameters. Conventional process optimization relies on exten...
Waste cooking oil as a feedstock for biodiesel production is a sustainable choice which resolves the environmental concerns related to its disposal. The present paper focusses on biodiesel production from waste soyabean oil via transesterification using ethanol and potassium hydroxide (KOH) as catalyst. To estimate t...
M. K. Roy, Udit Kumar Chakraborty, A. Singh et al.· Scientific Reports· 0 citations
Transforming waste and agricultural-residue biomass into bioenergy is central to the circular bioeconomy, yet routing such heterogeneous residues to the right thermochemical pathway depends on the higher heating value (HHV), which is conventionally measured by slow, resource-intensive bomb calorimetry. Here, we present...
Y. Özüpak, Emrah Aslan, Mehmet Burukanli et al.· Sustainability· 0 citations
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