Chemical Industry and Engineering Progress ›› 2023, Vol. 42 ›› Issue (7): 3420-3430.DOI: 10.16085/j.issn.1000-6613.2023-0624
• Column: Intelligent chemical equipment and safety • Previous Articles Next Articles
WANG Jiaxin1(), PAN Yong1(), XIONG Xinyi1, WAN Xiaoyue2, WANG Jianchao1
Received:
2023-04-18
Revised:
2023-05-22
Online:
2023-08-14
Published:
2023-07-15
Contact:
PAN Yong
汪嘉欣1(), 潘勇1(), 熊欣怡1, 万晓月2, 王建超1
通讯作者:
潘勇
作者简介:
汪嘉欣(1997—),女,硕士研究生,研究方向为化工过程安全。E-mail:202061201061@njtech.edu.cn。
基金资助:
CLC Number:
WANG Jiaxin, PAN Yong, XIONG Xinyi, WAN Xiaoyue, WANG Jianchao. Reaction process and hazards of dinitrotoluene preparation by one-step catalytic nitration of toluene[J]. Chemical Industry and Engineering Progress, 2023, 42(7): 3420-3430.
汪嘉欣, 潘勇, 熊欣怡, 万晓月, 王建超. 甲苯一步催化硝化制备二硝基甲苯反应过程及危险性[J]. 化工进展, 2023, 42(7): 3420-3430.
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URL: https://hgjz.cip.com.cn/EN/10.16085/j.issn.1000-6613.2023-0624
序号 | 甲苯/mol | 催化剂/g | 转化率/% | 选择性/% | 2,4-/2,6-DNT | 碳平衡/% | ||
---|---|---|---|---|---|---|---|---|
2-MNT | 4-MNT | DNT | ||||||
1 | 4.46 | — | 99 | 28. 8 | 23.7 | 45.6 | 4.3 | 95.2 |
2 | 4.46 | 162 | 99 | 15.4 | 15.9 | 67.4 | 4.3 | 98.7 |
序号 | 甲苯/mol | 催化剂/g | 转化率/% | 选择性/% | 2,4-/2,6-DNT | 碳平衡/% | ||
---|---|---|---|---|---|---|---|---|
2-MNT | 4-MNT | DNT | ||||||
1 | 4.46 | — | 99 | 28. 8 | 23.7 | 45.6 | 4.3 | 95.2 |
2 | 4.46 | 162 | 99 | 15.4 | 15.9 | 67.4 | 4.3 | 98.7 |
序号 | 催化剂用量 /g | cp /kJ·kg-1·K-1 | U/W·K-1·m2 | Qr/kJ | Qr,m/kJ·mol-1 | ΔTad/K | MTSR/K | ||
---|---|---|---|---|---|---|---|---|---|
cp1 | cp2 | U1 | U2 | ||||||
95% HNO3+甲苯① | — | 1.96 | 2.06 | 195.9 | 171.3 | 1174.2 | 263.3 | 371 | 343 |
95% HNO3+甲苯+CuMnCoO4尖晶石催化剂② | 162 | 1.85 | 2.16 | 153.9 | 157.1 | 1237.1 | 277.4 | 354 | 318 |
序号 | 催化剂用量 /g | cp /kJ·kg-1·K-1 | U/W·K-1·m2 | Qr/kJ | Qr,m/kJ·mol-1 | ΔTad/K | MTSR/K | ||
---|---|---|---|---|---|---|---|---|---|
cp1 | cp2 | U1 | U2 | ||||||
95% HNO3+甲苯① | — | 1.96 | 2.06 | 195.9 | 171.3 | 1174.2 | 263.3 | 371 | 343 |
95% HNO3+甲苯+CuMnCoO4尖晶石催化剂② | 162 | 1.85 | 2.16 | 153.9 | 157.1 | 1237.1 | 277.4 | 354 | 318 |
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