Continuous Synthesis of Menthol from Citronellal and Citral over Ni-Beta-Zeolite-Sepiolite Composite Catalyst Full article
| Journal |
Applied Catalysis A: General
ISSN: 0926-860X , E-ISSN: 1873-3875 |
||||||
|---|---|---|---|---|---|---|---|
| Output data | Year: 2022, Volume: 636, Article number : 118586, Pages count : 11 DOI: 10.1016/j.apcata.2022.118586 | ||||||
| Tags | Menthol synthesis; Citral hydrogenation; Ni/Beta catalyst; Extrudates; Continuous reactor | ||||||
| Authors |
|
||||||
| Affiliations |
|
Funding (2)
| 1 | Ministry of Science and Higher Education of the Russian Federation | 0239-2021-0008 |
| 2 | Academy of Finland |
Abstract:
One-pot continuous synthesis of menthols both from citronellal and citral was investigated over 5 wt% Ni supported on H-Beta-38-sepiolite composite catalyst at 60–70 °C under 10–29 bar hydrogen pressure. A relatively high menthols yield of 53% and 49% and stereoselectivity to menthol of 71–76% and 72–74% were obtained from citronellal and citral respectively at the contact time 4.2 min, 70 °C and 20 bar. Citral conversion noticeably decreased with time-on-stream under 10 and 15 bar of hydrogen pressure accompanied by accumulation of citronellal, the primary hydrogenation product of citral, practically not affecting selectivity to menthol. A substantial amount of defuctionalization products observed during citral conversion, especially at the beginning of the reaction (ca. 1 h), indicated that all intermediates could contribute to formation of menthanes. Ni/H-Beta-38-sepiolite composite material prepared by extrusion was characterized by TEM, SEM, XPS, XRD, ICP-OES, N2 physisorption and FTIR techniques to perceive the interrelation between the physico-chemical and catalytic properties.
Cite:
Simakova I.
, Mäki-Arvela P.
, Martinez-Klimov M.
, Muller J.
, Vajglova Z.
, Peurla M.
, Eränen K.
, Murzin D.Y.
Continuous Synthesis of Menthol from Citronellal and Citral over Ni-Beta-Zeolite-Sepiolite Composite Catalyst
Applied Catalysis A: General. 2022. V.636. 118586 :1-11. DOI: 10.1016/j.apcata.2022.118586 WOS Scopus РИНЦ ANCAN OpenAlex
Continuous Synthesis of Menthol from Citronellal and Citral over Ni-Beta-Zeolite-Sepiolite Composite Catalyst
Applied Catalysis A: General. 2022. V.636. 118586 :1-11. DOI: 10.1016/j.apcata.2022.118586 WOS Scopus РИНЦ ANCAN OpenAlex
Dates:
| Submitted: | Dec 23, 2021 |
| Accepted: | Mar 21, 2022 |
| Published online: | Mar 25, 2022 |
| Published print: | Apr 25, 2022 |
Identifiers:
| Web of science: | WOS:000806626800001 |
| Scopus: | 2-s2.0-85127051491 |
| Elibrary: | 48420909 |
| Chemical Abstracts: | 2022:835253 |
| Chemical Abstracts (print): | 178:229858 |
| OpenAlex: | W4220921619 |