Fe/生物质焦预重整在Ni基催化重整生物油中的作用

doi:10.16085/j.issn.1000-6613.2017-2685

化工进展 ›› 2018, Vol. 37 ›› Issue (11): 4273-4279.DOI: 10.16085/j.issn.1000-6613.2017-2685

Fe/生物质焦预重整在Ni基催化重整生物油中的作用

刘启聪^1,2, 何立模², 邓增通^1,2, 郭俊豪^1,2, 吴鹏², 胡松^1,2, 向军², 苏胜², 许凯², 汪一^1,2

1 华中科技大学中欧清洁与可再生能源学院, 湖北武汉 430074;
2 华中科技大学煤燃烧国家重点实验室, 湖北武汉 430074

收稿日期:2017-12-28 修回日期:2018-02-19 出版日期:2018-11-05 发布日期:2018-11-05
通讯作者: 汪一,副教授,研究方向为生物质能源利用。E-mail:alenwang@hust.edu.cn。
作者简介:刘启聪(1992-),男,硕士研究生,研究方向为生物油催化重整。E-mail:leo_hust@163.com。
基金资助:
国家自然科学基金青年科学基金项目（51606080）。

Effect of Fe/bio-char pre-reforming on Ni-based catalytic reforming of bio-oil

LIU Qicong^1,2, HE Limo², DENG Zengtong^1,2, GUO Junhao^1,2, WU Peng², HU Song^1,2, XIANG Jun², SU Sheng², XU Kai², WANG Yi^1,2

1 China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China;
2 State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China

Received:2017-12-28 Revised:2018-02-19 Online:2018-11-05 Published:2018-11-05

摘要/Abstract

摘要： 低温预重整能够经济节能地提高Ni基催化剂重整生物油的效果。为研究廉价易得的Fe/生物质焦预重整催化剂对重整效果的影响及机理，设计了Fe/生物质焦催化剂和Ni-Ca/γ-Al₂O₃催化剂不同组合方式在不同的预重整温度（350～600℃）下的重整实验，并用紫外荧光分光光度计（UV）和气相色谱-质谱联用仪（GC-MS）分析重整焦油，用气相色谱仪（GC）对重整气进行定性和定量分析。实验结果表明：Fe/生物质焦优化了预重整产生的挥发分，将原本挥发分中分子量较大的苯系物、萘系物及多环芳香化合物转化为结构简单、更易重整为气体的呋喃类、酚类及非芳香化合物，从而有效提高下段Ni基催化剂重整的合成气（H₂、CO）产率。预重整温度增加能有效抑制积炭生成。另外，Fe/生物质焦在较高预重整温度（550～600℃）下能够抑制Ni基催化剂表面积炭生成。

关键词: 生物油, 重整, 催化剂, 合成气, 失活

Abstract: The effect of Fe/bio-char as pre-reforming catalyst on the two-stage reforming progress was studied on a scheme of Ni based catalytic steam reforming of bio-oil. Ni-Ca/γ-Al₂O₃ catalyst was used on the second stage at high temperature while Fe/bio-char catalyst was put on the first stage where the temperature was relatively low (350-600℃). Different combination schemes of two catalysts were investigated. The produced tars were characterized with ultraviolet (UV) fluorescence spectroscopy and GC-MS while the produced gases were characterized with GC. The results indicated that significant portions of naphthalenes and polycyclic aromatic compounds in the volatiles from the first stage reforming could turn into furans, phenols and non-aromatics with the present of Fe/bio-char catalyst. The optimized components of volatiles could facilitate the performance of Ni based catalyst on the second stage and increase the syngas yield on the whole reforming process. In addition, Fe/bio-char catalyst showed great effect on restraining the coke formation on Ni based catalyst at high first-stage temperature (550-600℃).

Key words: bio-oil, reforming, catalyst, syngas, deactivation

中图分类号:

刘启聪, 何立模, 邓增通, 郭俊豪, 吴鹏, 胡松, 向军, 苏胜, 许凯, 汪一. Fe/生物质焦预重整在Ni基催化重整生物油中的作用[J]. 化工进展, 2018, 37(11): 4273-4279.

LIU Qicong, HE Limo, DENG Zengtong, GUO Junhao, WU Peng, HU Song, XIANG Jun, SU Sheng, XU Kai, WANG Yi. Effect of Fe/bio-char pre-reforming on Ni-based catalytic reforming of bio-oil[J]. Chemical Industry and Engineering Progress, 2018, 37(11): 4273-4279.

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Fe/生物质焦预重整在Ni基催化重整生物油中的作用

Effect of Fe/bio-char pre-reforming on Ni-based catalytic reforming of bio-oil

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