Journal of Inorganic Materials, Volume. 37, Issue 1, 65(2022)
Decomposition of Cyclohexyl Hydroperoxide Catalyzed by Core-shell Material Co3O4@SiO2
Figures & Tables(12)
. TEM images of Co3O4@SiO2 prepared with different ethanol contents
. TEM images and shell thickness statistics of Co3O4@SiO2 prepared with different concentrations of CTAB
. TEM images and shell thickness statistics of Co3O4@SiO2 prepared with different TEOS dosages
. N2 physical adsorption and desorption isotherms (a) and pore size distribution (b) of Co3O4@SiO2
. Appearance comparison of Co3O4@SiO2(VTEOS = 2.0 mL) before and after the reaction
. Reaction evaluation results of fresh and recovered samples catalytic materials
. TEM images of Co3O4@SiO2 (CCTAB=25 mmol/L) recovered after 5 cycles
Table 1. Physical structural properties of catalytic materials
View tableView in ArticleTable 1. Physical structural properties of catalytic materials
Sample nCTAB/nTEOS SBET/(m2∙g-1) Dpore/nm Vpore/(cm3∙g-1) Co3O4@SiO2 (VFETOH = 30%) 2.56 332 3.18 0.22 Co3O4@SiO2 (VFETOH = 50%) 2.56 334 3.18 0.24 Co3O4@SiO2 (VFETOH = 90%) 2.56 319 2.94 0.18 Co3O4@SiO2 (CCTAB = 5 mmol/L) 0.93 254 2.82 0.16 Co3O4@SiO2 (CCTAB = 25 mmol/L) 4.67 396 2.94 0.21 Co3O4@SiO2 (VTEOS = 0.8 mL) 3.84 327 2.94 0.18 Co3O4@SiO2 (VTEOS = 2.0 mL) 1.54 486 2.94 0.27
Table 2. Co content of catalytic materials
View tableView in ArticleTable 2. Co content of catalytic materials
Entry Sample Co content/% 1 Co3O4@SiO2 (VFETOH = 90%) 39.9 2 Co3O4@SiO2 (CCTAB = 5 mmol/L) 40.1 3 Co3O4@SiO2 (CCTAB = 25 mmol/L) 39.3 4 Co3O4@SiO2 (VTEOS = 0.8 mL) 47.8 5 Co3O4@SiO2 (VTEOS = 2.0 mL) 30.6
Table 3. Catalytic performance of catalytic materials in CHHP decomposition reaction
View tableView in ArticleTable 3. Catalytic performance of catalytic materials in CHHP decomposition reaction
Catalytic material Con./% Selectivity/% A K Acid Ester A+K Blank 11.58 162.27 36.16 12.56 14.40 198.43 Co3O4 86.83 69.15 38.08 6.73 -15.63 107.23 Co3O4@SiO2 (VFETOH = 30%) 41.54 66.93 37.70 8.14 -26.54 104.62 Co3O4@SiO2 (VFETOH = 50%) 60.44 67.73 32.87 7.33 -18.46 100.60 Co3O4@SiO2 (VFETOH = 90%) 52.62 64.58 30.20 8.54 -25.15 94.79 Co3O4@SiO2 (CCTAB = 5 mmol/L) 55.62 74.72 36.68 6.59 -20.69 111.40 Co3O4@SiO2 (CCTAB =25 mmol/L) 66.68 72.18 31.01 6.83 -15.76 103.19 Co3O4@SiO2 (VTEOS = 0.8 mL) 81.68 70.60 34.06 7.12 -15.97 104.65 Co3O4@SiO2 (VTEOS = 2.0 mL) 73.55 64.75 27.90 6.28 -18.74 92.64
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Xiaomei CHEN, Ying CHEN, Xia YUAN. Decomposition of Cyclohexyl Hydroperoxide Catalyzed by Core-shell Material Co3O4@SiO2[J]. Journal of Inorganic Materials, 2022, 37(1): 65
Paper Information
Category: EDITORIAL
Received: Mar. 24, 2021
Accepted: --
Published Online: Sep. 23, 2022
The Author Email: CHEN Xiaomei (cxm1077@163.com)
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