Catalytic upgrading of the heavy fraction of waste coffee grounds pyrolysis bio-oil using supercritical ethanol as a hydrogen source to produce marine biofuel

Wajahat Waheed Kazmi, Ghazaleh Amini,Ji-Yeon Park,In-Gu Lee

Chemical Engineering Science（2024）

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摘要

•Upgraded marine biofuel from pyrolysis oil's heavy fraction by supercritical ethanol.•MgNiMo/SAPO-11 catalyst markedly improved bio-oil yield and quality.•Key parameters (325 °C, 4 h, 5 g catalyst) yield an impressive 63.20 % biofuel.•Achieved biofuel with a low 0.07O/C ratio and high heating value (39.65 MJ/kg).

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关键词

Waste coffee ground,Supercritical ethanol,Deoxygenation,SAPO-11 catalyst,Marine biofuel

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