CIESC Journal ›› 2021, Vol. 72 ›› Issue (4): 2076-2085.DOI: 10.11949/0438-1157.20200895
• Catalysis, kinetics and reactors • Previous Articles Next Articles
ZHU Huihong1(),MAO Zhiwei2,YANG Tao1,FENG Xiang2(),JIN Hao1,PENG Chong1,3(),YANG Chaohe2,WANG Jifeng1,FANG Xiangchen1
Received:
2020-07-06
Revised:
2020-09-25
Online:
2021-04-05
Published:
2021-04-05
Contact:
FENG Xiang,PENG Chong
朱慧红1(),茆志伟2,杨涛1,冯翔2(),金浩1,彭冲1,3(),杨朝合2,王继锋1,方向晨1
通讯作者:
冯翔,彭冲
作者简介:
朱慧红(1978—),女,硕士, 高级工程师,基金资助:
CLC Number:
ZHU Huihong, MAO Zhiwei, YANG Tao, FENG Xiang, JIN Hao, PENG Chong, YANG Chaohe, WANG Jifeng, FANG Xiangchen. Influence mechanism of catalyst morphology on the active sites of Ni-Mo/ Al2O3 catalyst for ebullated bed residue hydrogenation[J]. CIESC Journal, 2021, 72(4): 2076-2085.
朱慧红, 茆志伟, 杨涛, 冯翔, 金浩, 彭冲, 杨朝合, 王继锋, 方向晨. 催化剂形貌对沸腾床渣油加氢Ni-Mo/Al2O3 催化剂活性位的影响机制[J]. 化工学报, 2021, 72(4): 2076-2085.
催化剂 | 长度/mm | 直径/mm | 体积当量直径/mm | 比表面积/(m2·g-1) | 平均孔径/nm | 孔体积/(ml·g-1) |
---|---|---|---|---|---|---|
球形 | — | 0.4~0.5 | 0.4~0.5 | 163 | 15.34 | 0.625 |
圆柱形 | 3~5 | 0.8 | 1.42~1.69 | 169 | 13.61 | 0.575 |
Table 1 Structural and textural properties of spherical and cylindrical Ni-Mo/Al2O3 catalysts
催化剂 | 长度/mm | 直径/mm | 体积当量直径/mm | 比表面积/(m2·g-1) | 平均孔径/nm | 孔体积/(ml·g-1) |
---|---|---|---|---|---|---|
球形 | — | 0.4~0.5 | 0.4~0.5 | 163 | 15.34 | 0.625 |
圆柱形 | 3~5 | 0.8 | 1.42~1.69 | 169 | 13.61 | 0.575 |
催化剂 | 球形 | 圆柱形 |
---|---|---|
最大颗粒长度/nm | 6.5 | 4.41 |
平均颗粒长度/nm | 3.67 | 2.94 |
平均堆垛层数 | 2.46 | 2.07 |
1~2层百分比/% | 55.2 | 69.8 |
3~4层百分比/% | 41.8 | 28.3 |
≥ 5层百分比/% | 3 | 1.9 |
分散度 | 29.8 | 36.9 |
Table 2 HRTEM analysis data of spherical and cylindrical Ni-Mo/Al2O3催化剂
催化剂 | 球形 | 圆柱形 |
---|---|---|
最大颗粒长度/nm | 6.5 | 4.41 |
平均颗粒长度/nm | 3.67 | 2.94 |
平均堆垛层数 | 2.46 | 2.07 |
1~2层百分比/% | 55.2 | 69.8 |
3~4层百分比/% | 41.8 | 28.3 |
≥ 5层百分比/% | 3 | 1.9 |
分散度 | 29.8 | 36.9 |
Fig.6 Electron probe microanalysis and distribution curves of Ni, V, Fe and C on the cross-section of spent cylindrical [(a), (b)] and spherical [(c), (d)] catalyst pellets
参数 | 数值 |
---|---|
H含量/% | 10.58 |
C含量/% | 85.41 |
S含量/% | 3.64 |
Ni/V含量/(μg·g-1) | 62.94/160 |
CCR含量/% | 20.3 |
密度(20℃)/(g·cm-3) | 1.0102 |
四组分分析 | |
饱和分/% | 19.63 |
芳香分/% | 49.53 |
胶质/% | 27.64 |
沥青质/% | 3.2 |
>500℃收率/% | 96.1 |
Table 3 Properties of the vacuum residue
参数 | 数值 |
---|---|
H含量/% | 10.58 |
C含量/% | 85.41 |
S含量/% | 3.64 |
Ni/V含量/(μg·g-1) | 62.94/160 |
CCR含量/% | 20.3 |
密度(20℃)/(g·cm-3) | 1.0102 |
四组分分析 | |
饱和分/% | 19.63 |
芳香分/% | 49.53 |
胶质/% | 27.64 |
沥青质/% | 3.2 |
>500℃收率/% | 96.1 |
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