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- hydrogenation of benzene ring 苯环加氢
- Discussion on Engineering Technology of Selective Hydrogenation of Benzene to Cyclohexene in Pilot Plant. 关键词:苯部分加氢,催化剂,环己烯。
- From the point of view of technology, the pilot plant of selective hydrogenation of benzene to cyclohexene has been analyzed and designed. 从工艺角度对苯部分加氢制环己烯进行分析探讨,在此基础上设计中试装置。传质、传热和动力学是反应工程设计的理论基础。
- A series of metal catalysts supported on WO3 prepared via co-precipitation have been investigated for methanol decomposition and hydrogenation of benzene and toluene reaction. 通过共沉淀法制备了一系列WO3负载的金属催化剂,以甲醇低温裂解、苯加氢和甲苯加氢为探针反应,考察了其催化性能。
- Tetrabromopxylene diol was prepared from pxylene through bromination of benzene ring, ultraviolet bromination of sidechains, esterification and hydrolysis. 以对二甲苯为原料,经过路易斯酸无水三氯化铝催化的苯环的溴代,侧链光溴代,酯化和水解,合成了四溴对苯二甲醇。
- The development of hydrogenation of benzene to cyclohexane in the process technology is reviewed, including the advance and the trend of hydrogenation of benzene to cyclohexane all over the world. 摘要综述了国内外苯加氢制备环己烷的工艺技术发展。主要内容包括现阶段国内外苯加氢制备环己烷工艺技术和催化剂的发展状况以及未来发展动态。
- The kinetics and reaction mechanism of liquid-phase selective hydrogenation of benzene to cyclohexene on Ru-M-B/ ZrOi catalysts have been systematically studied in this paper. The TPD of benzene on the catalysts has also been studied. 本文系统地研究了在Ru-M-B/ZrO_2催化剂上液相法苯选择加氢制环已烯的动力学、反应机理和催化剂吸附苯的TPD表征。
- The background of developing catalytic technology for partial hydrogenation of benzene to cyclohexene and the progress in its investigation at home and abroad are introduced briefly. 简要介绍了苯部分加氢制环己烯催化技术的开发背景,国内外相关领域的研究进展,比较了不同的工艺路线,展望了环己烯的应用前景。
- The influence of temperature on yield and colour of product in bromination of benzene ring as well as the influence of bromine feeding speed on yield of brominated sidechains were investigated. 考察了反应温度对苯环上溴代产物收率和色泽的影响以及溴素滴加速度对侧链光溴代产物收率的影响。
- The aromatic hydrocarbon structures in kerogen carry free electrons stabilised by the reasonating bonds of benzene rings. 油母质中的芳香烃结构含有被苯环共振键稳定的自由电子。
- Recent and new techniques used in anodic oxidation of methyl of benzene rings are also extensively discussed. 著重对甲基的阳极氧化过程中运用的新技术及发展趋势作了评述。
- selective hydrogenation of benzene 苯选择加氢
- The benzene ring is also seen in other compounds. 苯环在其他化合物中也可以看见。
- Zinc displaces the hydrogen of dilute acids. 锌置换了稀酸中的氢。
- The calculated results indicted that the most significant descriptors affected on T_m are the value of benzene rings in the backbone chain LB, PMA, total molecular energy Et and Q_(O-). 并用FA分析了这些参数与聚酰胺类熔点的关系,研究表明影响T_m最显著的参数是主链中苯环的存在以及苯环的位置LB,也是影响T_m最大的因素,其次是主链上中性基团亚甲基与极性基团酰胺基的比例PMA,分子总能量E_t,酰胺基上氧原子的电荷数Q_(O-)。
- Advance in Research on Oxidzing Sidechain Alkyl of Benzene Ring 苯环侧链烃基氧化研究进展
- The Research Development of Hydrogenation of Benzene to Cyclohex ene 苯部分加氢制备环己烯研究的进展
- STUDY ON THE CATALYSTS WITHHIGN ACTIVITY AND HIGH SELECTIVITY FOR PARTIAL HYDROGENATION OF BENZENE TO CYCLOHEXENE 高活性高选择性苯部分加氢制环己烯催化剂的研究
- Characterization of the Catalyst Prepared by Impregnation for Selective Hydrogenation of Benzene to Cyclohexene 浸渍法制备的苯部分加氢制环己烯催化剂的表征
- Application of gas diffusion electrode in electrocatalytic hydrogenation of benzene 气体扩散电极在电催化苯加氢反应中的应用