Catalytic hydroconversion of an organic waster oil to cyclanes over Ni/SiO2

Li, Li; Wei, Xian‐Yong; Shao, Chang-Wang; Li, Zhuang; Li, Jiahao; Fan, Zi-Chun; Lu, Kun-Lang; Liu, Fang-Jing; Kong, Qianqian; Zhao, Jun; Liu, Zhongqiu; Zong, Zhi‐Min

doi:10.1016/j.fuel.2022.125697

Cited by 10 publications

(2 citation statements)

References 37 publications

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“…Nickel supported on solid acids proved to be the bifunctional catalyst for the CHC of heavy carbon resources to cyclanes. − Earlier investigation focused on the CHC of the methanol-soluble portion, mainly consisting of heteroatom-containing organic compounds with small amounts of chain alkanes, alkenes, and arenes, from Xiaolongtan lignite in cyclohexane at 200 °C over Ni/Z5A . After the catalytic hydroconversion, arenes and almost all the heteroatom-containing organic compounds were converted to chain alkanes and cyclanes.…”

Section: The Roles Of H+ and H···h In The Chc Of Heavy Carbon Resourcesmentioning

confidence: 99%

“…Then, perhydroanthr-9-ylium can abstract H – from the surface of H – -attached Ni/solid acid to yield perhydroanthracene. By the synergic H + and H···H transfer, the CHCs of other heavy carbon resources, including extracts from an oil sludge and Jinjitan subbituminous coal, and an organic waste oil , to cyclanes over Ni/solid acids were also achieved.…”

Section: The Roles Of H+ and H···h In The Chc Of Heavy Carbon Resourcesmentioning

confidence: 99%

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Advances in Catalytic Hydroconversion of Typical Heavy Carbon Resources under Mild Conditions

Wei

Bai

et al. 2023

Energy Fuels

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Low-rank coals, biomass, and heavy petroleum are typical heavy carbon resources, which are currently not efficiently used, and many processes for the current use of the heavy carbon resources cause severe environmental pollution with very limited economic benefits even with a great deficit. Efficiently using the heavy carbon resources can greatly improve the environment and create huge economic benefits. The main difficulty in efficiently using the heavy carbon resources is the high content of aromatic rings (ARs) and heteroatoms in addition to the insoluble and complex macromolecular structures of the heavy carbon resources. Catalytic hydroconversion (CHC) includes catalytic hydrocracking and subsequent catalytic hydrofining. Many low-rank coals consist of macromolecular species, which are rich in bridged linkages connecting structural units, especially ARs, on which side chains are usually contained. Many ARs, bridged linkages, and side chains contain heteroatoms. Over a proper active catalyst, many bridged linkages and even some side chains can be cleaved, and many heteroatoms outside the ARs can be removed by the CHC under mild conditions to get soluble portions with relatively simple composition, facilitating subsequent separation to obtain pure chemicals, especially value-added products, such as condensed aromatics. The remaining economically inseparable species can be converted to liquid chemicals, especially nonsubstituted and alkyl-substituted cyclanes, by subsequent catalytic hydrofining. Catalysts and catalytically formed active hydrogen play crucial roles in the processes. Mainly based on our investigations, the related advances are reviewed in this work.

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Section: The Roles Of H+ and H···h In The Chc Of Heavy Carbon Resourcesmentioning

confidence: 99%

Section: The Roles Of H+ and H···h In The Chc Of Heavy Carbon Resourcesmentioning

confidence: 99%

Advances in Catalytic Hydroconversion of Typical Heavy Carbon Resources under Mild Conditions

Wei

Bai

et al. 2023

Energy Fuels

Self Cite

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Boosting the selective hydrogenation of biphenyl to cyclohexylbenzene over bimetallic Ni-Ru/SiO2 catalyst via enhancing strong metal-support interaction

Yang,

Gao,

Fan

et al. 2024

Applied Surface Science

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Catalytic hydroconversion of a cotton stalk-derived soluble portion over Ni/sepiolite

Wei,

Kong,

Bai

et al. 2024

Fuel

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Catalytic hydroconversion of an organic waster oil to cyclanes over Ni/SiO2

Cited by 10 publications

References 37 publications

Advances in Catalytic Hydroconversion of Typical Heavy Carbon Resources under Mild Conditions

Advances in Catalytic Hydroconversion of Typical Heavy Carbon Resources under Mild Conditions

Boosting the selective hydrogenation of biphenyl to cyclohexylbenzene over bimetallic Ni-Ru/SiO2 catalyst via enhancing strong metal-support interaction

Catalytic hydroconversion of a cotton stalk-derived soluble portion over Ni/sepiolite

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