Chemistry and Industry of Forest Products ›› 2021, Vol. 41 ›› Issue (4): 92-100.doi: 10.3969/j.issn.0253-2417.2021.04.013
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Lu LUO1, Lingcong LUO1, Jianping DENG1, Mizi FAN1,2, Guanben DU3, Weigang ZHAO1,*()
Received:
2020-09-04
Online:
2021-08-28
Published:
2021-08-31
Contact:
Weigang ZHAO
E-mail:weigang-zhao@fafu.edu.cn
CLC Number:
Lu LUO, Lingcong LUO, Jianping DENG, Mizi FAN, Guanben DU, Weigang ZHAO. Preparation of Activated Carbons from Palm Shell by Response Surface Optimization Design and Its Hydrogen Storage Performance[J]. Chemistry and Industry of Forest Products, 2021, 41(4): 92-100.
Table 1
CCD experimental design and texture results"
序号No. | X1温度/℃temp. | X2浸渍比值impregnation ratio | 比表面积/(m2·g-1)specific surface area | 总孔容/(cm3·g-1)total pore volume | 微孔孔容/(cm3·g-1)micropore volume | 微孔率/%microporosity | 中孔孔容/(cm3·g-1)mesopore volume |
1 | 700 | 4 | 2260 | 0.96 | 0.81 | 0.84 | 0.15 |
2 | 800 | 4 | 3450 | 1.68 | 1.07 | 0.66 | 0.58 |
3 | 800 | 3 | 3202 | 1.51 | 1.01 | 0.67 | 0.50 |
4 | 800 | 4 | 3485 | 1.67 | 1.08 | 0.65 | 0.59 |
5 | 700 | 3 | 2550 | 1.11 | 0.85 | 0.77 | 0.26 |
6 | 700 | 5 | 1851 | 0.77 | 0.63 | 0.82 | 0.14 |
7 | 800 | 5 | 3008 | 1.48 | 0.92 | 0.62 | 0.56 |
8 | 800 | 4 | 3503 | 1.72 | 1.10 | 0.65 | 0.61 |
9 | 900 | 3 | 2327 | 1.00 | 0.77 | 0.77 | 0.23 |
10 | 800 | 4 | 3425 | 1.59 | 1.04 | 0.69 | 0.49 |
11 | 900 | 5 | 1857 | 0.81 | 0.61 | 0.76 | 0.20 |
12 | 900 | 4 | 2407 | 1.04 | 0.79 | 0.76 | 0.25 |
13 | 800 | 4 | 3468 | 1.62 | 1.05 | 0.67 | 0.53 |
Table 2
Analysis of variance and significance of the regression equation of activated carbon specific surface area(Y1)"
方差来源 source of variance | 平方和 sum of squares | 自由度 degree of freedom | 均方 mean square | F值 F value | P值 P value | 显著性1) significant |
模型model | 4839645.919 | 5 | 967929.184 | 69.485 | < 0.0001 | *** |
X1 | 816.667 | 1 | 816.667 | 0.059 | 0.8156 | |
X2 | 309174.000 | 1 | 309174.000 | 2.195 | 0.0022 | ** |
X1X2 | 13110.250 | 1 | 13110.250 | 0.941 | 0.3643 | |
X12 | 3036206.358 | 1 | 3036206.358 | 217.962 | < 0.0001 | *** |
X22 | 212657.501 | 1 | 212657.501 | 15.266 | 0.0058 | ** |
残差residual | 97509.773 | 7 | 13929.968 | |||
失拟项lack of fit | 93838.973 | 3 | 31279.658 | 34.085 | 0.0026 | ** |
纯误差pure error | 3670.800 | 4 | 917.700 | |||
总变异total | 4937155.692 | 12 |
Table 3
Analysis of variance and significance of the regression equation of activated carbon micropore volume(Y2)"
方差来源 source of variance | 平方和 sum of squares | 自由度 degree of freedom | 均方 mean square | F值 F value | P值 P value | 显著性 significant |
模型model | 0.346 | 5 | 0.069 | 79.001 | < 0.0001 | *** |
X1 | 0.002 | 1 | 0.002 | 2.738 | 0.1420 | |
X2 | 0.037 | 1 | 0.037 | 41.995 | 0.0003 | *** |
X1X2 | 0.001 | 1 | 0.001 | 1.027 | 0.3447 | |
X12 | 0.186 | 1 | 0.186 | 211.839 | < 0.0001 | *** |
X22 | 0.025 | 1 | 0.025 | 28.021 | 0.0011 | ** |
残差residual | 0.006 | 7 | 0.001 | |||
失拟项lack of fit | 0.004 | 3 | 0.001 | 2.255 | 0.2241 | |
纯误差pure error | 0.002 | 4 | 0.001 | |||
总变异cor total | 0.352 | 12 |
Table 4
Comparison of hydrogen storage capacities of lab made samples and ACs from open literatures"
生物质炭 biomass carbon | 比表面积/(m2·g-1) specific surface area | 微孔孔容/(cm3·g-1) micropore volume | 储氢量1)/% H2 storage capacity | 文献 references |
棕榈壳基活性炭palm shell-based activated carbon | 3491 | 1.08 | 6.80 | |
毛竹基活性炭bamboo based activated carbon | 3485 | 1.07 | 6.50 | [ |
毛豆壳基活性炭edamame shell-based activated carbon | 2838 | 0.84 | 5.74 | [ |
玉米芯基活性炭corn cob based activated carbon | 3721 | 0.59 | 5.80 | [ |
无烟煤基活性炭anthracite based activated carbon | 3312 | 1.05 | 6.60 | [ |
壳聚糖基活性炭chitosan based activated carbon | 3066 | 1.11 | 5.61 | [ |
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