Optics and Precision Engineering, Volume. 32, Issue 5, 670(2024)
Online laser absorption spectroscopy detection of trace ethylene in coal pyrolysis
Figures & Tables(8)
Fig. 5. Ethylene emission from Shandong bituminous coal in three different gases
Fig. 6. Weight loss ratro of Shandong bituminous coal sample in three gases
Table 1. Industrial analysis and elemental analysis of Shandong coal samples
View tableView in ArticleTable 1. Industrial analysis and elemental analysis of Shandong coal samples
工业分析 全硫-Std 灰分-Aad 挥发分-Vdaf 质量分数/% 6.35 31.80 14.18 元素分析（daf） 碳-C 氢-H 氮-N 质量分数/% 52.69 2.58 0.72
Table 2. Thermal decomposition kinetic parameters of Shandong bituminous coal sample at heating rate of 30 °C/min
View tableView in ArticleTable 2. Thermal decomposition kinetic parameters of Shandong bituminous coal sample at heating rate of 30 °C/min
不同气氛 阶段温度T
/℃
活化能E
/（kJ·moL-1）
频率因子A
/min-1
相关系数R2 氮气 136.4-426.3 5 624.91 8.94 0.988 426.3-535 4 448.87 7.48 0.951 535-832.7 29 844.38 552.34 0.985 合成空气 136-379 3 088.02 1.45 0.925 379-535 12 960.99 10.9 0.915 535-820.6 29 534.22 466.297 0.991 空气 134.7-380 1 890.68 2.48 0.962 380-532.2 9 358.29 7.59 0.908 532.2-825.3 27 575.90 368.95 0.986
Tools
Get Citation
Copy Citation Text
Zheng DUAN, Xingxing MENG, Kailiang LI, Xiaocong SUN, Yali TIAN, Ting GONG, Chuanliang LI, Xuanbing QIU, Tingdong CAI. Online laser absorption spectroscopy detection of trace ethylene in coal pyrolysis[J]. Optics and Precision Engineering, 2024, 32(5): 670
Paper Information
Category:
Received: Oct. 5, 2023
Accepted: --
Published Online: Apr. 2, 2024
The Author Email: Xuanbing QIU (qiuxb@tyust.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20