M. Nurhadi, R. Kusumawardani, Teguh Wirawan, Sin Yuan Lai, Hadi Nur
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引用次数: 0
摘要
通过用四异丙醇钛和硝酸铁盐进行初湿浸渍改性的鱼骨衍生碳磺酸盐,在以过氧化氢(H2O2)为氧化剂的苯乙烯氧化过程中显示出催化活性。这项研究的目的是开发一种经济、无毒、环保的双金属氧化物催化剂,在介孔衍生碳鱼骨上结合钛和铁氧化物,以提高苯乙烯的转化率和苯甲醛在使用 H2O2 水氧化苯乙烯过程中的选择性。这种催化剂的特点是在鱼骨衍生碳磺酸盐表面结合了钛和铁氧化物,与单独的氧化物催化剂(如钛或铁氧化物)相比,具有更高的催化活性。利用傅立叶变换红外光谱、XRD、XRF、扫描电镜和 BET 表面积研究了影响催化剂性能的因素。结果表明,鱼骨衍生碳磺酸盐表面同时存在钛和铁氧化物以及催化剂的表面积产生了协同效应,这是影响其在使用 H2O2 作为氧化剂进行苯乙烯氧化时催化活性的主要因素。
Fishbone-derived carbon sulfonate, modified through incipient wetness impregnation with titanium tetraisopropoxide and iron nitrate salts, displays catalytic activity in the oxidation of styrene with hydrogen peroxide (H2O2) as an oxidant. This was done to develop a cost-effective, non-toxic, and environmentally friendly bimetallic oxide catalyst, incorporating titanium and iron oxides on mesoporous-derived carbon fishbone to enhance styrene conversion and benzaldehyde selectivity in styrene oxidation using aqueous H2O2. The catalyst, featuring a combination of titanium and iron oxides on the surface of the fishbone-derived carbon sulfonate, demonstrates higher catalytic activity than single oxide catalysts, such as titanium or iron oxides alone. Factors influencing the catalyst's performance are investigated by using FTIR, XRD, XRF, SEM, and BET surface area. The results reveal that the presence of both titanium and iron oxides on the surface of the fishbone-derived carbon sulfonate and the catalyst's surface area creates a synergistic effect, the primary factors affecting its catalytic activity in styrene oxidation using H2O2 as an oxidant.
期刊介绍:
Indonesian Journal of Chemistry is a peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of chemistry, including educational chemistry, applied chemistry, and chemical engineering.