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High-Loaded Nickel Based Sol–Gel Catalysts for Methylcyclohexane Dehydrogenation Full article

Общее Language: Английский, Genre: Full article,
Status: Published, Source type: Original
Journal Catalysts
ISSN: 2073-4344
Output data Year: 2020, Volume: 10, Number: 10, Article number : 1198, Pages count : 14 DOI: 10.3390/catal10101198
Tags Dehydrogenation; LOHCs; Methylcyclohexane; NiCu catalyst
Authors Gulyaeva Yuliya K. 1 , Alekseeva (Bykova) Maria V. 1 , Ermakov Dmitry Yu. 1 , Bulavchenko Olga A. 1 , Zaikina Olesya O. 1 , Yakovlev Vadim A. 1
Affiliations
1 Boreskov Institute of Catalysis SB RAS, Pr. Akad. Lavrentieva, 5, 630090 Novosibirsk, Russia

Funding (1)

1 Ministry of Science and Higher Education of the Russian Federation ГЗ-2017-2020

Abstract: Application of liquid organic hydrogen carriers, such as “methylcyclohexane (MCH)–toluene” chemical couple, is one of the promising approaches for hydrogen storage and transportation. In the present study, copper-modified nickel catalysts with high metal loading of 75 wt% were synthesized via heterophase sol–gel technique, and investigated in the dehydrogenation of MCH. Two approaches towards the copper introduction were applied. The catalyst samples prepared via wetness impregnation of the nickel sol–gel catalyst are characterized by more effective Ni-Cu interaction compared to those where two metals were introduced simultaneously by the mixing of their solid precursors. As a result, the “impregnated” catalysts revealed higher selectivity towards toluene. The addition of copper up to 30 wt% of total metal content was shown to increase significantly toluene selectivity and yield without a noticeable decrease in MCH conversion. The catalyst with the active component including 80 wt% of Ni and 20 wt% of Cu demonstrated 96% and 89% toluene selectivity at 40% and 80% MCH conversion, respectively. Based on the obtained data, this non-noble catalytic system appears quite promising for the MCH dehydrogenation. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
Cite: Gulyaeva Y.K. , Alekseeva (Bykova) M.V. , Ermakov D.Y. , Bulavchenko O.A. , Zaikina O.O. , Yakovlev V.A.
High-Loaded Nickel Based Sol–Gel Catalysts for Methylcyclohexane Dehydrogenation
Catalysts. 2020. V.10. N10. 1198 :1-14. DOI: 10.3390/catal10101198 publication_identifier_short.wos_identifier_type publication_identifier_short.scopus_identifier_type
Dates:
Submitted: Sep 25, 2020
Accepted: Oct 12, 2020
Published print: Oct 16, 2020
Published online: Oct 16, 2020
Identifiers:
publication_identifier.wos_identifier_type WOS:000584163800001
publication_identifier.scopus_identifier_type 2-s2.0-85092573149
publication_identifier.accession_number_identifier_type 2020:2207674
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