整体式Ni-Co双金属催化剂生物质燃气提质性能
TQ426; 以蜂窝陶瓷为载体,使用浸渍法负载Ni、Co双金属,形成整体式催化剂,研究其催化生物质燃气合成低碳烃性能,并采用N2 等温吸附、H2-TPR等对催化剂进行表征.结果表明,在360℃、H2/CO =2 和0.3 MPa的反应条件下,Ni、Co负载量分别为 2%和 4%时,催化剂具有最优催化性能,CO 转化率可达 93.60%,产气低位热值为9.84 MJ/Nm3,较进气提高了26.82%.与Ni单金属催化剂相比,添加Co可在降低CH4 和CO2 选择性的同时,提高C2-C3 的选择性,从而有利于提高燃气热值;Co的引入虽有助于增强催化剂的抗烧结能力,但积碳量却有所上升....
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| Published in | 应用化工 Vol. 52; no. 11; pp. 2986 - 2997 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
东南大学 能源热转换及其过程测控教育部重点实验室,江苏 南京 210096
2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1671-3206 |
| DOI | 10.3969/j.issn.1671-3206.2023.11.002 |
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| Abstract | TQ426; 以蜂窝陶瓷为载体,使用浸渍法负载Ni、Co双金属,形成整体式催化剂,研究其催化生物质燃气合成低碳烃性能,并采用N2 等温吸附、H2-TPR等对催化剂进行表征.结果表明,在360℃、H2/CO =2 和0.3 MPa的反应条件下,Ni、Co负载量分别为 2%和 4%时,催化剂具有最优催化性能,CO 转化率可达 93.60%,产气低位热值为9.84 MJ/Nm3,较进气提高了26.82%.与Ni单金属催化剂相比,添加Co可在降低CH4 和CO2 选择性的同时,提高C2-C3 的选择性,从而有利于提高燃气热值;Co的引入虽有助于增强催化剂的抗烧结能力,但积碳量却有所上升. |
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| AbstractList | TQ426; 以蜂窝陶瓷为载体,使用浸渍法负载Ni、Co双金属,形成整体式催化剂,研究其催化生物质燃气合成低碳烃性能,并采用N2 等温吸附、H2-TPR等对催化剂进行表征.结果表明,在360℃、H2/CO =2 和0.3 MPa的反应条件下,Ni、Co负载量分别为 2%和 4%时,催化剂具有最优催化性能,CO 转化率可达 93.60%,产气低位热值为9.84 MJ/Nm3,较进气提高了26.82%.与Ni单金属催化剂相比,添加Co可在降低CH4 和CO2 选择性的同时,提高C2-C3 的选择性,从而有利于提高燃气热值;Co的引入虽有助于增强催化剂的抗烧结能力,但积碳量却有所上升. |
| Abstract_FL | The honeycomb ceramic was used as support and Ni-Co bimetals were loaded by the impregna-tion method.The catalytic performance of synthesizing low-carbon hydrocarbons from biomass gas was studied experimentally and the prepared catalysts were also characterized by N2 isothermal adsorption and H2-TPR et al.The results show that under360℃,H2/CO =2 and 0.3 MPa,the best catalytic perform-ance can be obtained in the case of 2%Ni and 4%Co.The CO conversion can reach 93.60%and the lower heating value(LHV)of product gas is 9.84 MJ/Nm3,which is 26.82%higher than feed gas.Com-pared with monometallic Ni catalyst,the addition of Co can improve the selectivity of C2-C3 fraction mean-while reducing the CH4 and CO2 selectivity,which is beneficial to improve the heating value of gas.Although the introduction of Co enhances the anti-sintering ability of the catalyst,the amount of carbon deposition has increased. |
| Author | 金保昇 张梦杰 丁雪宇 董新新 奚锦基 |
| AuthorAffiliation | 东南大学 能源热转换及其过程测控教育部重点实验室,江苏 南京 210096 |
| AuthorAffiliation_xml | – name: 东南大学 能源热转换及其过程测控教育部重点实验室,江苏 南京 210096 |
| Author_FL | ZHANG Meng-jie JIN Bao-sheng XI Jin-ji DONG Xin-xin DING Xue-yu |
| Author_FL_xml | – sequence: 1 fullname: XI Jin-ji – sequence: 2 fullname: JIN Bao-sheng – sequence: 3 fullname: DONG Xin-xin – sequence: 4 fullname: ZHANG Meng-jie – sequence: 5 fullname: DING Xue-yu |
| Author_xml | – sequence: 1 fullname: 奚锦基 – sequence: 2 fullname: 金保昇 – sequence: 3 fullname: 董新新 – sequence: 4 fullname: 张梦杰 – sequence: 5 fullname: 丁雪宇 |
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| DocumentTitle_FL | Biomass gas upgrading performance over monolithic Ni-Co bimetallic catalyst |
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| Keywords | biomass gas upgrading 提质 双金属 低碳烃 低位热值 low carbon hydrocarbons 生物质燃气 lower heating value bimetal |
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| Snippet | TQ426; 以蜂窝陶瓷为载体,使用浸渍法负载Ni、Co双金属,形成整体式催化剂,研究其催化生物质燃气合成低碳烃性能,并采用N2 等温吸附、H2-TPR等对催化剂进行表征.结果表明,在360℃、H2/CO =2 和0.3 MPa的反应条件下,Ni、Co负载量分别为 2%和 4%时,催化剂具有最优催化性能,CO... |
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| Title | 整体式Ni-Co双金属催化剂生物质燃气提质性能 |
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