活性炭在超临界流体中的改性研究.pdfVIP

Nov. 2016 2016 年 11 月 工业催化 INDUSTRIAL CATALYSIS Vol. 24 No. 11 第24 卷第11 期 综述与晨望 活性炭在超临界流体中的改性研究 郭楠楠\魏龙，李利民 (郑州科技学院食品科学与工程系，河南郑州 450064) 摘 要:由于超，]各界流体的特殊性质，研究超，]各界流体在不同领域的应用越来越广泛，如超临界萃 取技术、超临界流体色谱技术、超，]各界流体反应技术和超临界水氧化技术等。活性炭由于巨大的比 表面积及特殊的表面结构可使催化剂的活性组分得到充分分散，活性炭的表面结构和性质则直接 关系到由其制备的催化剂上活性组分分散度及活性等，因此，对活性炭表面进行适当的改性处理并 研究处理方法对活性炭表面性质及催化活性的影响意义重大。 关键词:催化剂工程;超，]各界流体;活性炭载体;改性研究 doi:l0. 3969/j. issn. 1008-1143.2016.1 1. 003 中图分类号:TQ426. 6 ;0643.36 文献标识码:A 文章编号: 1008-1143 (2016) 11-00 10-04 Research on the modification of activated carbon in the supercritical f1uid Guo Nαnnαn , Wei Long ,Li Limin (School of Food Science and Engineering ,Zhengzhou University of Seienee and Technology , Zhengzhou 450064 ,Henan ,China) Abstract: In recent years ,the application of supercritical fl山也 in different fields is studied more and more widely due to its special nature. 咀le supercritical fluid techniques include ultra supercritical extraction technology ,supercritical fluid chromatography technology , the technology of supercritical fluid reaction , and supercritical water oxidation technology ， etc. 哑le activated carbon can make the catalyst active components fully dispersed due to its huge specific surface area and special surface structure. The surface structures and properties of activated carbon direcÙY relate to the activity and dispersion of the catalysts ,therefore , the appropriate modification of the surfaces of activated carbon and study of the effects of treatment me