Nanik Wijayati, Harno Dwi Pranowo, Jumina, Triyono
The hydration of α-pinene has been studied in the presence of Y-zeolite (Si/Al = 2.89) as a solid acid catalyst. The reaction was performed in batch reactor in isopropyl alcohol at various temperature and reaction time with magnetic stirrer. The acid catalyst hydration reaction of a-pinene yields a complex mixture of monoterpenes, alcohols and hydrocarbons. The selectivity of α-terpineol (the monocyclic alcohol) as main product was 59.20% with a conversion of 83.83% and the non alcoholic as the isomerization co-product as 30% after 60 min at 65 °C. The conversion and selectivity to α-terpineol increase significantly with in increase in temperature and reaction times.
Department of Chemistry, State University of Semarang, Gunungpati, Semarang 50229, Jl. Raya Sekaran, Indonesia; Department of Chemistry, Universitas Gadjah Mada, Yogyakarta 55281, Jl. Sekip Utara, Indonesia
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