期刊
PETROLEUM SCIENCE AND TECHNOLOGY
卷 41, 期 21, 页码 2036-2054出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2022.2105359
关键词
deep desulfurization; dibenzothiophene; manganese oxide catalyst; multi-cell electrochemical reactor; oxidant
In this study, a trickle bed electrochemical reactor (TBER) with multiple cells and a highly effective electrocatalyst was investigated for diesel desulfurization. The results showed that the multi-cell TBER can efficiently oxidize thiophene compounds in diesel, indicating a high desulfurization efficiency of this technology.
Hydrogen peroxide is considered a highly powerful oxidant and can oxidize thiophene contaminant compounds in diesel. In this work, a trickle bed electrochemical reactor (TBER) with multiple cells is investigated for diesel desulfurization, which is intensified with a highly effective electrocatalyst, MnO2, for in situ hydrogen peroxide production. The multiple cell TBER demonstrates much enhanced oxidation of dibenzothiophene (DBT) in diesel flowing with alkaline electrolyte through the TBER. A 500 ppm DBT was completely oxidized in situ in the multi-cell TBER in 2.5 h, indicative of highly efficient deep desulfurization of diesel fuel within the multi-cell TBER.
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