Inorganic Chemicals Industry ›› 2022, Vol. 54 ›› Issue (6): 125-133.doi: 10.19964/j.issn.1006-4990.2021-0600
• Catalytic Materials • Previous Articles Next Articles
XIN Jing(),SONG Yu,LÜ Yanyan,ZHU Yuanbao,LU Deqing,ZHANG Haihong,CHEN Song
Received:
2021-10-09
Online:
2022-06-10
Published:
2022-06-22
CLC Number:
XIN Jing,SONG Yu,LÜ Yanyan,ZHU Yuanbao,LU Deqing,ZHANG Haihong,CHEN Song. Study on impact of pore structure optimization on demetallization catalysts for fixed bed residue hydrotreating[J]. Inorganic Chemicals Industry, 2022, 54(6): 125-133.
Table 1
XRF and BET characterization results of industrial inactivated demetallization catalysts and fresh demetallization catalysts"
脱金 属剂 | 主要成分质量分数/% | 压汞分析数据 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Na2O | Al2O3 | SiO2 | P2O5 | CaO | Fe2O3 | NiO | Ga2O3 | MoO3 | SO3 | V2O5 | 比表面积/ (m2·g-1) | 孔容/ (mL·g-1) | ||
失活 | 0.41 | 21.23 | 0.36 | 0.36 | 0.58 | 1.24 | 7.62 | 0.02 | 2.84 | 14.27 | 50.35 | 13 | 0.04 | |
新鲜 | 0.06 | 89.82 | 0.20 | 1.67 | 0.18 | 0.02 | 0.36 | 0.01 | 7.60 | 0.00 | 0.00 | 147 | 0.78 |
Table 2
Effect of water/powder ratio of adhesive solvent A system on pore structure of carrier"
样品 名称 | 胶溶剂A体系 | 压汞分析数据 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
w(助挤剂)/ % | w(扩孔剂)/ % | w(H2O)/ % | w(胶溶剂)/ % | 孔容/ (mL·g-1) | 比表面积/ (m2·g-1) | 可几孔直 径/nm | 强度/ (N·mm-1) | 吸水率/ % | ||
A1 | a | b | c-10 | d | 0.94 | 272 | 12.2/120 | 13.68 | M-9 | |
A2 | a | b | c | d | 1.06 | 283 | 13.7/183 | 12.67 | M | |
A3 | a | b | c+10 | d | 1.22 | 277 | 13.7/282 | 9.78 | M+7 | |
A4 | a | b | c+20 | d | 1.35 | 274 | 13.7/349 | 7.52 | M+22 |
Table 3
Effect of water/powder ratio of adhesive solvent B system on pore structure of carrier"
样品 名称 | 胶溶剂B体系 | 压汞分析数据 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
w(助挤剂)/ % | w(扩孔剂)/ % | w(H2O)/ % | w(胶溶剂)/ % | 孔容/ (mL·g-1) | 比表面积/ (m2·g-1) | 可几孔直径/ nm | 强度/ (N·mm-1) | 吸水率/ % | ||
B1 | a | b | c-10 | d | 1.03 | 266 | 13.7/120 | 12.33 | M-5 | |
B2 | a | b | c | d | 1.20 | 265 | 13.7/226 | 11.66 | M+8 | |
B3 | a | b | c+10 | d | 1.28 | 280 | 13.7/283 | 8.89 | M+18 | |
B4 | a | b | c+20 | d | 1.38 | 283 | 13.7/349 | 6.56 | M+25 |
Table 4
Effect of pore?enlarging agent on the catalyst carrier"
样品 名称 | w(助挤剂)/% | 扩孔剂 种类 | w(扩孔剂)/ % | w(H2O)/ % | w(胶溶剂B)/ % | 压汞分析数据 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
孔容/ (mL·g-1) | 比表面积/(m2·g-1) | 可几孔直径/ nm | 强度/ (N·mm-1) | 吸水率/ % | ||||||||
C1 | a | — | 0 | c | d | 1.06 | 159 | 11.7/149 | 12.55 | M-7 | ||
C2 | a | X | b | c | d | 1.20 | 265 | 13.7/226 | 11.66 | M+8 | ||
C3 | a | X | 3b | c | d | 1.43 | 278 | 17.0/550 | 10.63 | M+18 | ||
C4 | a | Y | b | c | d | 1.11 | 162 | 11.8/152 | 11.88 | M-2 | ||
C5 | a | Y | 3b | c | d | 1.15 | 165 | 12.1/175 | 11.62 | M+1 |
Table 6
Metal removal rate of self?made demetallization cataly? sts and reference demetallization catalysts on grading experiment"
温度/ ℃ | V脱除率/% | Ni脱除率/% | Ni+V脱除率/% | |||||
---|---|---|---|---|---|---|---|---|
自制 级配 | 参比 级配 | 自制 级配 | 参比 级配 | 自制 级配 | 参比 级配 | |||
375 | 91.64 | 88.46 | 73.06 | 72.40 | 87.37 | 84.77 | ||
380 | 93.22 | 89.08 | 75.46 | 74.82 | 89.14 | 85.80 | ||
385 | 95.10 | 92.41 | 79.56 | 78.47 | 91.53 | 89.20 | ||
390 | 96.53 | 93.09 | 81.23 | 80.87 | 93.01 | 90.28 |
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