Exploration of P-Mentan-3-OL Compounds Through Catalytic Reaction Against Sitronelal Using Cu / ZnBr2 / γAl2O3 Catalyst and Gas N2 and H2

Ajeng Santiara (Jurusan Kimia Fakultas MIPA Universitas Brawijaya Malang)
Cicilia Shinta Putri Cahyani (Jurusan Kimia Fakultas MIPA Universitas Brawijaya Malang)
Elvina Dhiaul Iftitah (Jurusan Kimia Fakultas MIPA Universitas Brawijaya Malang)

Natural B
Vol 2, No 4 (2014)

Exploration compound p-menthan-3-ol has been carried out using Cu/ZnBr2/γ-Al­2O3 as a catalyst in N2 and H2 atmospheric gases. This research was done in several stages that is Cu/ZnBr2/γ-Al­2O3 catalyst preparation, catalyst characterization, and catalytic reactions toward citronellal. Impregnation of Cu (NO3)2.3H2O in ZnBr2/γ-Al­2O3 wasperformed in methanol as a solvent for Cu/ZnBr2/γ-Al­2O3 catalyst preparation. Stage was followed by a catalytic reaction to citronellal that performed in a glass reactor modification with atmospheric gases H2; N2 and H2 at 90 OC temperature variations and 120 OC. Catalyst characterizations was performed using XRD and SEM - EDX, so it could be seen with either Cu was impregnated on ZnBr2/γ-Al­2O3. Gas chromatography (GC) and gas chromatography - mass spectrum (GC-MS) was used to determine the activity of the catalyst through a catalytic reaction product analysis. Isopulegol was obtained from the product p- menthan-3-ol with a selectivity of 37.75 % in H2 gas atmosphere at a temperature of 120 OC for 4 hours, and isopulegol selectivity was obtained in atmospheric gases N2: H2 = 3:2 at a temperature of 120 OC with reaction time of 4 hours was equal to 25.82 % .