镍基整体式催化剂上生物质粗燃气重整调变的特性研究

李凯; 定明月; 李宇萍; 王铁军; 吴创之; 马隆龙

镍基整体式催化剂上生物质粗燃气重整调变的特性研究

中国科学院广州能源研究所可再生能源和天然气水合物重点实验室, 广东广州 510640

基金项目: 国家自然科学基金(51076158); 国家科技支撑计划项目(2011BAD22B06)。

详细信息

通讯作者:
王铁军(1972-), 研究员, Tel:020-87057751, E-mail: wangtj@ms.giec.ac.cn。

中图分类号: O643.3
计量
- 文章访问数: 1520
- HTML全文浏览量: 21
- PDF下载量: 739
- 被引次数: 0
出版历程
- 收稿日期: 2011-08-13
- 修回日期: 2011-11-03
- 刊出日期: 2012-06-30

Reforming and adjustment of biomass fuel gas over Ni-based monolithic catalyst

Key Laboratory of Renewable Energy and Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China

摘要

摘要: 采用浸渍法制备了Ni基整体式催化剂,考察了不同条件(温度、时间、空速、水蒸气添加等)对催化剂上生物质粗燃气重整反应性能的影响。结果表明,催化剂在较低温度下(≤500 ℃)只具有CO加氢反应活性,随着反应温度的升高粗燃气重整反应逐渐进行,在800 ℃以上,CH₄和C₂转化率均高达95 %以上,CO₂转化率达到92%,但随着反应空速和水蒸气添加量的增加,CH₄和CO₂等转化率呈现缓慢降低的趋势。此外,通过改变水蒸气添加量可对合成气中H₂/CO体积比在0.85~4.00进行较好调节。结合XRD表征发现,Ni基整体式催化剂中Ni°的生成可较好地促进重整反应的进行。
- Ni基整体式催化剂 /
- 生物质燃气 /
- 重整反应
Abstract: The Ni-based monolithic catalyst was prepared by impregnation method. The performance of the catalyst on biomass fuel gas reforming was investigated by varying the reaction temperature, space velocity, steam addition and time-on-stream. Results show that the Ni-based monolithic catalyst exhibited only CO hydrogenation activity as the reaction temperature is lower than 500 ℃. With the increase in reaction temperature, the reforming activity increased gradually. The CH₄ or C₂ conversion was above 95%, and CO₂ conversion was about 92 % over the catalyst at higher temperature (≥800 ℃). However, increasing space velocity and the addition of water steam resulted slightly in the decrease of reforming activity. Additionally, with increasing water steam content the H₂/CO volume ratio in synthesis gas increased gradually from 0.85 to 4.00. According to the characteristic of X-ray diffraction, it was found that the formation of Ni^o could promote well the reforming reaction.
- Ni-based monolithic catalyst /
- biomass fuel gas /
- reforming reaction

HTML全文

参考文献(19)

JI N, ZHANG T, ZHENG M, WANG A, WANG H, WANG X, SHU Y, STOTTLEMYER A L, CHEN J G. Catalytic conversion of cellulose into ethylene glycol over supported carbide catalysts[J]. Catal Today, 2009, 147(2): 77-85.

赵先国, 常杰, 吕鹏梅, 王铁军. 生物质流化床富氧气化的实验研究[J]. 燃料化学学报, 2005, 33(2): 199-204. (ZHAO Xian-guo, CHANG Jie, LU Peng-mei, WANG Tie-jun. Biomass gasification under O₂-rich gas in a fluidized bed reactor[J]. Journal of Fuel Chemistry and Technology, 2005, 33(2): 199-204.)

林伟刚, 宋文立. 丹麦生物质发电的现状和研究发展趋势(英文)[J]. 燃料化学学报, 2005, 33(6): 650-655. (LIN Wei-gang, SONG Wen-li. Power production from biomass in Denmark[J]. Journal of Fuel Chemistry and Technology, 2005, 33(6): 650-655.) (in English)

JOSE C, ALBERTO O, PILAR A. Biomass gasification with air in fluidized bed: Reforming of the gas composition with commercial steam reforming catalysts[J]. Ind Eng Chem Res, 1998, 37(12): 4617-4624.

WANG T, CHANG J, LV P. Novel catalyst for cracking of biomass tar[J]. Energy Fuels, 2005, 19(1): 22-27.

CORELLA J, SANZ A. Modeling circulating fluidized bed biomass gasifiers: A pseudo-rigorous model for stationary state[J]. Fuel Process Technol, 2005, 86(9): 1021-1053.

AZNAR M P, CORELLA J, GILL J. Proceeding of conference on developments in thermochemical biomass conversion// Blackie Academic & Professional, Banff, Canada, 1996, 1143.

BAKER E G, MUDGE L K, WILCOX W A. Proceedings of conference on developments in thermochemical biomass conversion// Blackie Academic & Professional, Banff, Canada, 1996, 305-311.

YAMAGUCHI T, YAMASAKI K, YOSHIDA O, KANAI Y, UENO A, KOTERA Y. Deactivation and regeneration of catalyst for steam gasification of wood to methanol synthesis gas[J]. Ind Eng Chem Prod Res Dev, 1986, 25(2): 239-243.

RICHARDSON S M, GRAY M R. Enhancement of residue hydroprocessing catalysts by doping with alkali metals[J]. Energy Fuels, 1997, 11(6): 1119-1126.

BANGALA D N, ABATZOGLOU N, CHORNET E. Steam reforming of naphthalene on Ni-Cr/Al₂O₃ catalysts doped with MgO, TiO₂ and La₂O₃[J]. AIChE J, 1998, 44(4): 927-936.

EDVINSSON A R, NYSTREM M, SELLIN A. Development of a monolith-based process for H₂O₂ production: From idea to large-scale implementation[J]. Catal Today, 2001, 69(1/4): 247-252.

LIU W, WILLIAM P A, SORENSEN C M, BOGER T. Monolith reactor for the dehydrogenation of ethylbenzene to styrene[J]. Ind Eng Chem Res, 2002, 41(13): 3131-3138.

GOULD B D, CHEN X, SCHWANK J W. N-Dodecane reforming over nickel-based monolith catalysts: Deactivation and carbon deposition[J]. Appl Catal A, 2008, 334(1/2): 277-290.

GOULD B D, CHEN X, SCHWANK J W. Dodecane reforming over nickel-based monolith catalysts[J]. J Catal, 2007, 250(2): 209-221.

ERMAKOVA M A, ERMAKOV D Y. Ni/SiO₂ and Fe/SiO₂ catalysts for production of hydrogen and filamentous carbon via methane decomposition[J]. Catal Today, 2002, 77(3): 225-235.

VANNICE M A. The catalytic synthesis of hydrocarbons from H₂/CO mixture over the Group VIII metals: 1 The specifie ativites and distributions of Aupported metals[J]. J Catal, 1975, 37(3): 449-461.

王大文. 甲烷水蒸气重整的Ni基整体式催化剂的制备和表征[J]. 天然气化工, 2009, 34(6): 27-30. (WANG Da-wen. Preparation and characterization of Ni based monolithic catalysts for steam reforming of methane[J]. Natural Gas Chemical Industry, 2009, 34(6): 27-30)

王晨光, 王铁军, 马隆龙, 吴创之, 高妍. NiO-MgO固溶体蜂窝催化剂部分氧化重整净化生物质气特性[J]. 化工学报, 2009, 60(4): 898-904. (WANG Chen-guang, WANG Tie-jun, MA Long-long, WU Chuang-zhi, GAO Yan. Partial oxidation reforming of biomass raw gas over NiO-MgO solid solution monolithic catalys[J]. Journal of Chemical Industry and Engineering(China), 2009, 60(4): 898-904.)

施引文献

资源附件(0)

访问统计