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学科主题: 物理化学
专利名称: 一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用;  一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用;  一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用;  一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用
作者: 包信和1;  周永华1;  李星运1;  潘秀莲1
申请受理号: CN201210064296.4
专利授权号: CN201210064296.4
申请日期: 2012-03-12
授权日期: 2014-12-31
专利权人: 中国科学院大连化学物理研究所
专利类别: 发明
是否PCT专利: 
授权日期: 2014-12-31
专利名称: 一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用;  一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用;  一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用;  一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用
公开日期: 2014-12-31
摘要: The invention relates to a Pd/TiO2-C-SiC catalyst having high activity in terephthalic acid hydrorefining reaction, and preparation and application of the Pd/TiO2-C-SiC catalyst. The Pd/TiO2-C-SiC catalyst mainly solves the problem of unsteady palladium catalyst quality caused by the fact that the active carbon carrier is friable and greatly different in quality, in the existing terephthalic acid hydrorefining reaction. For the Pd/TiO2-C-SiC catalyst, high-strength macroporous silicon carbide is used as the carrier, by surface carbonization and titanium dioxide modification, the palladium metal dispersity is increased, and sequentially, the catalytic activity is improved greatly. Moreover, with the high-strength silicon carbide carrier, the problem of increase of reaction pressure drop caused by breaking of the carbon carrier is also avoided better, so that the catalyst can be used in the industrial production of terephthalic acid hydrorefining reaction. | 本发明涉及一种在对苯二甲酸加氢精制反应中具有高活性的Pd/TiO2-C-SiC催化剂及其制备与应用。主要解决现存的对苯二甲酸加氢精制反应中,由于活性炭载体易破碎以及质量差别大,所造成的钯催化剂质量不稳定的问题。本发明以高强度大孔碳化硅为载体,通过表面炭化并用二氧化钛改性,以增大钯金属分散度,从而大大提高了催化活性。另外,高强度碳化硅载体的使用,也很好的避免了碳载体破碎造成的反应压降增大的问题,可用于对苯二甲酸加氢精制反应的工业生产中。
内容类型: 专利
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145216
Appears in Collections:中国科学院大连化学物理研究所_专利

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作者单位: 1.中国科学院大连化学物理研究所

Recommended Citation:
包信和,周永华,李星运,等. 一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用, 一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用, 一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用, 一种Pd/TiO<sub>2</sub>-C-SiC催化剂及其制备与应用. CN201210064296.4. 2014.
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