Modification of Bitumen with Carbonized Rice Husk

Yerdos Ongarbayev, Ainur Zhambolova, Aliya Kenzhegaliyeva

2025

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

DOI 10.1088/1742-6596/2978/1/012001

Data confidence 70 medium

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Abstract

Abstract The bitumen was modified with carbonized rice husk before and after mechanochemical activation. After mechanochemical activation, the carbon content in the carbonized rice husk increased to 57.5% and microstructured particles were found. Carbonized rice husk led to an increase in penetration from 11,0 to 14,0 dmm, the average contact angle from 94,0 to 112,3° and value of the difference in the contact angle from 2 to 6°, a decrease in the softening point from 105,0 to 84,4 °C, and a shift in the loss tangent curves from 118 to 138 °C.