硅酸盐通报 ›› 2026, Vol. 45 ›› Issue (2): 646-654.DOI: 10.16552/j.cnki.issn1001-1625.2025.0886
曾红杰1,2(
), 周文彩1,2, 官敏1, 沈中杰3, 何贵楠3, 陈淑勇2, 陈家睿2, 李红强1,2, 王伟1,2, 左泽方1(
)
收稿日期:2025-09-03
修订日期:2025-09-23
出版日期:2026-02-20
发布日期:2026-03-09
通信作者:
左泽方,教授级高级工程师。E-mail:zzfks@126.com作者简介:曾红杰(1982—),男,博士,高级工程师。主要从事节能减排技术的研究。E-mail:pepsi.100@163.com
基金资助:
ZENG Hongjie1,2(
), ZHOU Wencai1,2, GUAN Min1, SHEN Zhongjie3, HE Guinan3, CHEN Shuyong2, CHEN Jiarui2, LI Hongqiang1,2, WANG Wei1,2, ZUO Zefang1(
)
Received:2025-09-03
Revised:2025-09-23
Published:2026-02-20
Online:2026-03-09
摘要:
研究甲烷-烟气热化学重整反应机理对深入理解甲烷-烟气重整反应物之间的相互作用、优化甲烷-烟气重整反应条件和参数、提高甲烷-烟气重整反应产物收率和纯度至关重要。采用常压管式炉对不同实验条件下的甲烷干重整和甲烷蒸汽重整反应进行了实验研究,分析了不同实验参数对甲烷干重整、甲烷蒸汽重整反应过程、反应活性和选择性等方面的影响。结果表明,甲烷-烟气重整反应过程伴随着甲烷裂解反应的发生。在低于1 100 ℃的反应温度下,甲烷裂解偏向于生成炭黑和H2。在高于1 100 ℃的反应温度下,甲烷裂解偏向于生成[C2H2]中间体和H2。在相同反应条件下,甲烷蒸汽重整反应活性大于甲烷干重整反应活性。重整反应温度的提升有利于甲烷-烟气重整反应的进行。
中图分类号:
曾红杰, 周文彩, 官敏, 沈中杰, 何贵楠, 陈淑勇, 陈家睿, 李红强, 王伟, 左泽方. 甲烷-烟气热化学重整反应机理研究[J]. 硅酸盐通报, 2026, 45(2): 646-654.
ZENG Hongjie, ZHOU Wencai, GUAN Min, SHEN Zhongjie, HE Guinan, CHEN Shuyong, CHEN Jiarui, LI Hongqiang, WANG Wei, ZUO Zefang. Reaction Mechanism of Methane-Flue Gas Thermochemical Reforming[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2026, 45(2): 646-654.
| Experimentalparameter group | Volume flow (25 ℃)/(mL·min-1) | Gas volume ratio | Gas volume flow/(mL·min-1) | ||||
|---|---|---|---|---|---|---|---|
| CH4(gas) | CO2 (gas) | H2O (gas) | CH4 | CO2 | H2O | ||
| 1 | 397.08 | 397.08 | 0 | 1 | 1 | 0 | 794.16 |
| 2 | 264.72 | 529.44 | 0 | 1 | 2 | 0 | 794.16 |
| 3 | 529.44 | 264.72 | 0 | 2 | 1 | 0 | 794.16 |
| 4 | 397.08 | 0 | 397.08 | 1 | 0 | 1 | 794.16 |
| 5 | 264.72 | 0 | 529.44 | 1 | 0 | 2 | 794.16 |
| 6 | 529.44 | 0 | 264.72 | 2 | 0 | 1 | 794.16 |
表1 甲烷干重整和甲烷蒸汽重整反应实验的气体参数
Table 1 Gas parameters of DRM and SRM experiments
| Experimentalparameter group | Volume flow (25 ℃)/(mL·min-1) | Gas volume ratio | Gas volume flow/(mL·min-1) | ||||
|---|---|---|---|---|---|---|---|
| CH4(gas) | CO2 (gas) | H2O (gas) | CH4 | CO2 | H2O | ||
| 1 | 397.08 | 397.08 | 0 | 1 | 1 | 0 | 794.16 |
| 2 | 264.72 | 529.44 | 0 | 1 | 2 | 0 | 794.16 |
| 3 | 529.44 | 264.72 | 0 | 2 | 1 | 0 | 794.16 |
| 4 | 397.08 | 0 | 397.08 | 1 | 0 | 1 | 794.16 |
| 5 | 264.72 | 0 | 529.44 | 1 | 0 | 2 | 794.16 |
| 6 | 529.44 | 0 | 264.72 | 2 | 0 | 1 | 794.16 |
图4 不同反应条件下甲烷干重整和甲烷蒸汽重整反应各物质的反应速率随温度的变化
Fig.4 Reaction rate of each substance variation with temperature of DRM and SMR under different reaction conditions
| Reaction No. | Amount needed by reforming | Reaction |
|---|---|---|
| 1 | a | a CH4→a C+2a H2 |
| 2 | b | b CH4+b CO2→2b H2+2b CO |
| 3 | c | c CH4+c H2O→3c H2+c CO |
| 4 | d | d CO+d H2O→d CO2+d H2 |
| 5 | e | e CO+2e H2→e CH3OH |
| 6 | f | f CO2+3f H2→f CH3OH+ f H2O |
表2 甲烷干重整和甲烷蒸汽重整过程中可能发生的反应
Table 2 Possible reactions during DRM and SMR
| Reaction No. | Amount needed by reforming | Reaction |
|---|---|---|
| 1 | a | a CH4→a C+2a H2 |
| 2 | b | b CH4+b CO2→2b H2+2b CO |
| 3 | c | c CH4+c H2O→3c H2+c CO |
| 4 | d | d CO+d H2O→d CO2+d H2 |
| 5 | e | e CO+2e H2→e CH3OH |
| 6 | f | f CO2+3f H2→f CH3OH+ f H2O |
| Experimental parameter group | Temperature/℃ | a | b | c | d | Accompanying reactions |
|---|---|---|---|---|---|---|
| 1 | 1 000 | 0.38 | 0.62 | 0 | 0 | 0.38 |
| 1 100 | 0.15 | 0.85 | 0 | 0 | ||
| 1 200 | 0.20 | 0.80 | 0 | 0 | ||
| 1 300 | 0.17 | 0.83 | 0 | 0 | ||
| 1 400 | 0.13 | 0.87 | 0 | 0 | ||
| 2 | 1 000 | 0.17 | 0.83 | 0 | 0 | |
| 1 100 | 0 | 1.00 | 0 | 0 | ||
| 1 200 | 0 | 1.00 | 0 | 0 | ||
| 1 300 | 0 | 1.00 | 0 | 0 | ||
| 1 400 | 0 | 1.00 | 0 | 0 | ||
| 3 | 1 000 | 0.73 | 0.27 | 0 | 0 | |
| 1 100 | 0.63 | 0.37 | 0 | 0 | ||
| 1 200 | 0.57 | 0.43 | 0 | 0 | ||
| 1 300 | 0.53 | 0.47 | 0 | 0 | ||
| 1 400 | 0.50 | 0.50 | 0 | 0 | ||
| 4 | 1 000 | 0.57 | 0 | 0.43 | 0.03 | |
| 1 100 | 0.09 | 0 | 0.91 | 0.03 | ||
| 1 200 | 0.10 | 0 | 0.90 | 0.02 | ||
| 1 300 | 0 | 0 | 1.00 | 0.02 | ||
| 1 400 | 0 | 0 | 1.00 | 0 | ||
| 5 | 1 000 | 0.14 | 0 | 0.86 | 0.01 | |
| 1 100 | 0 | 0 | 1.00 | 0.02 | ||
| 1 200 | 0 | 0 | 1.00 | 0 | ||
| 1 300 | 0.06 | 0 | 0.94 | 0 | ||
| 1 400 | 0.08 | 0 | 0.92 | 0 | ||
| 6 | 1 000 | 0.59 | 0 | 0.41 | 0 | |
| 1 100 | 0.30 | 0 | 0.70 | 0 | ||
| 1 200 | 0.29 | 0 | 0.71 | 0 | ||
| 1 300 | 0.27 | 0 | 0.73 | 0 | ||
| 1 400 | 0.26 | 0 | 0.74 | 0 |
表3 甲烷干重整和甲烷蒸汽重整过程各伴随反应及反应占比
Table 3 Accompanying reactions and reaction proportions of DRM and SMR
| Experimental parameter group | Temperature/℃ | a | b | c | d | Accompanying reactions |
|---|---|---|---|---|---|---|
| 1 | 1 000 | 0.38 | 0.62 | 0 | 0 | 0.38 |
| 1 100 | 0.15 | 0.85 | 0 | 0 | ||
| 1 200 | 0.20 | 0.80 | 0 | 0 | ||
| 1 300 | 0.17 | 0.83 | 0 | 0 | ||
| 1 400 | 0.13 | 0.87 | 0 | 0 | ||
| 2 | 1 000 | 0.17 | 0.83 | 0 | 0 | |
| 1 100 | 0 | 1.00 | 0 | 0 | ||
| 1 200 | 0 | 1.00 | 0 | 0 | ||
| 1 300 | 0 | 1.00 | 0 | 0 | ||
| 1 400 | 0 | 1.00 | 0 | 0 | ||
| 3 | 1 000 | 0.73 | 0.27 | 0 | 0 | |
| 1 100 | 0.63 | 0.37 | 0 | 0 | ||
| 1 200 | 0.57 | 0.43 | 0 | 0 | ||
| 1 300 | 0.53 | 0.47 | 0 | 0 | ||
| 1 400 | 0.50 | 0.50 | 0 | 0 | ||
| 4 | 1 000 | 0.57 | 0 | 0.43 | 0.03 | |
| 1 100 | 0.09 | 0 | 0.91 | 0.03 | ||
| 1 200 | 0.10 | 0 | 0.90 | 0.02 | ||
| 1 300 | 0 | 0 | 1.00 | 0.02 | ||
| 1 400 | 0 | 0 | 1.00 | 0 | ||
| 5 | 1 000 | 0.14 | 0 | 0.86 | 0.01 | |
| 1 100 | 0 | 0 | 1.00 | 0.02 | ||
| 1 200 | 0 | 0 | 1.00 | 0 | ||
| 1 300 | 0.06 | 0 | 0.94 | 0 | ||
| 1 400 | 0.08 | 0 | 0.92 | 0 | ||
| 6 | 1 000 | 0.59 | 0 | 0.41 | 0 | |
| 1 100 | 0.30 | 0 | 0.70 | 0 | ||
| 1 200 | 0.29 | 0 | 0.71 | 0 | ||
| 1 300 | 0.27 | 0 | 0.73 | 0 | ||
| 1 400 | 0.26 | 0 | 0.74 | 0 |
图6 甲烷-烟气重整反应重整产物中H2和CO含量的实验与模拟结果对比
Fig.6 Comparison of experimental and simulation results of H2 and CO content in methane-flue gas reforming reaction
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