Modification of bitumen with char from pyrolysis of lemon peel waste

Aliya Kenzhegaliyeva, Yerdos Ongarbayev, Guliya Sdikova, Paolino Caputo, Valeria Loise, Michele Porto, Cesare Oliviero Rossi

2025

Full text Open access: Gold Metadata (CSL-JSON)

DOI 10.1088/1742-6596/2978/1/012002

Data confidence 70 medium

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Abstract

Abstract Various methods for improving the quality of asphalt involve adding certain materials to the bitumen play a key role to increase road pavement durability reducing maintenance costs and environmental issues. In this study antiaging effect of bitumen, which modified with chars obtained by pyrolysis of lemon peel (LEMO) and carbonized rice husk (CRH) were investigated. LEMO char-modified bitumen’s temperature after aging shifted towards neat bitumen by 4⍰ as found by rheometry, which also confirmed by DSC and IR analysis. Artificial aging of these char-modified bitumens unveiled that the bitumen modified by char from LEMO possessed a certain resilience against aging. While CHR car doesn’t show any antiaging effect on bitumen.