CIESC Journal ›› 2021, Vol. 72 ›› Issue (10): 5172-5182.DOI: 10.11949/0438-1157.20210488
• Catalysis, kinetics and reactors • Previous Articles Next Articles
Meijia LIU1(),Gang WANG1(),Zhongdong ZHANG2(),Shunnian XU1,Hao WANG3,Falu DANG1,Shengbao HE2
Received:
2021-04-08
Revised:
2021-06-02
Online:
2021-10-05
Published:
2021-10-05
Contact:
Gang WANG,Zhongdong ZHANG
刘美佳1(),王刚1(),张忠东2(),许顺年1,王皓3,党法璐1,何盛宝2
通讯作者:
王刚,张忠东
作者简介:
刘美佳(1994—),女,博士研究生,基金资助:
CLC Number:
Meijia LIU,Gang WANG,Zhongdong ZHANG,Shunnian XU,Hao WANG,Falu DANG,Shengbao HE. Analysis of reaction performance of high efficient pyrolysis of C5 alkanes to light olefins[J]. CIESC Journal, 2021, 72(10): 5172-5182.
刘美佳,王刚,张忠东,许顺年,王皓,党法璐,何盛宝. 碳五烷烃裂解制低碳烯烃反应性能的分析[J]. 化工学报, 2021, 72(10): 5172-5182.
拓扑结构 | 硅铝比 | 比表面积/(m2/g) | 微孔体积/(cm3/g) | 孔径 /nm | 弱酸量/(mmol/g) | 强酸量/(mmol/g) | 总酸量/(mmol/g) |
---|---|---|---|---|---|---|---|
MFI | 120 | 397.520 | 0.141 | 0.520 | 0.116 | 0.102 | 0.218 |
Table 1 Properties of zeolites used in catalytic pyrolysis
拓扑结构 | 硅铝比 | 比表面积/(m2/g) | 微孔体积/(cm3/g) | 孔径 /nm | 弱酸量/(mmol/g) | 强酸量/(mmol/g) | 总酸量/(mmol/g) |
---|---|---|---|---|---|---|---|
MFI | 120 | 397.520 | 0.141 | 0.520 | 0.116 | 0.102 | 0.218 |
碳数 | 原料 | 转化率/% | 甲烷选择性/% | 乙烯选择性/% | 丙烯选择性/% | 丁烯选择性/% | 文献 | |
---|---|---|---|---|---|---|---|---|
热裂解 | C5 | 正戊烷 | 77.90 | 11.94 | 43.13 | 23.88 | 10.14 | [ |
2-甲基丁烷 | 78.20 | 15.47 | 20.72 | 25.06 | 25.83 | |||
C7 | 正庚烷 | 87.80 | 8.09 | 54.44 | 19.70 | 11.16 | [ | |
2-甲基己烷 | 91.50 | 12.02 | 30.27 | 25.25 | 18.36 | |||
3-甲基己烷 | 94.30 | 12.94 | 31.81 | 22.27 | 15.38 | |||
C8 | 正辛烷 | 92.70 | 9.17 | 46.60 | 18.34 | 11.33 | [ | |
3-甲基庚烷 | 94.70 | 10.67 | 38.54 | 20.17 | 15.42 | |||
2,3-二甲基己烷 | 98.60 | 16.02 | 17.65 | 26.88 | 16.53 | |||
催化裂解 | C8 | 正辛烷 | 8.66 | 9.29 | — | — | 52.47 | [ |
3-甲基庚烷 | 7.23 | 23.25 | — | — | 61.36 | |||
2,5-二甲基庚烷 | 6.04 | 33.93 | — | — | 72.34 | |||
C8 | 正辛烷 | 96.66 | — | — | — | 9.22 | [ | |
异辛烷 | 61.15 | — | — | — | 15.14 |
Table 2 Comparison of cracking reaction results of n-alkanes and isoalkanes
碳数 | 原料 | 转化率/% | 甲烷选择性/% | 乙烯选择性/% | 丙烯选择性/% | 丁烯选择性/% | 文献 | |
---|---|---|---|---|---|---|---|---|
热裂解 | C5 | 正戊烷 | 77.90 | 11.94 | 43.13 | 23.88 | 10.14 | [ |
2-甲基丁烷 | 78.20 | 15.47 | 20.72 | 25.06 | 25.83 | |||
C7 | 正庚烷 | 87.80 | 8.09 | 54.44 | 19.70 | 11.16 | [ | |
2-甲基己烷 | 91.50 | 12.02 | 30.27 | 25.25 | 18.36 | |||
3-甲基己烷 | 94.30 | 12.94 | 31.81 | 22.27 | 15.38 | |||
C8 | 正辛烷 | 92.70 | 9.17 | 46.60 | 18.34 | 11.33 | [ | |
3-甲基庚烷 | 94.70 | 10.67 | 38.54 | 20.17 | 15.42 | |||
2,3-二甲基己烷 | 98.60 | 16.02 | 17.65 | 26.88 | 16.53 | |||
催化裂解 | C8 | 正辛烷 | 8.66 | 9.29 | — | — | 52.47 | [ |
3-甲基庚烷 | 7.23 | 23.25 | — | — | 61.36 | |||
2,5-二甲基庚烷 | 6.04 | 33.93 | — | — | 72.34 | |||
C8 | 正辛烷 | 96.66 | — | — | — | 9.22 | [ | |
异辛烷 | 61.15 | — | — | — | 15.14 |
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