CAJ | 학술논문

采用共沉淀法制备了一系列ZnxCo1-xCr2O4催化剂,并将其进行了微量吸附量热技术测定,及苯酚与甲醇邻位烷基化反应的应用性实验.结果证明,ZnxCo1-xCr2O4催化剂上苯酚和甲醇邻位烷基化反应的活性中心应是酸碱的协同作用产生的,ZnxCo1-xCr2O4系列催化剂中的Zn/Co的最佳比例为Zn/Co=1.运用微量吸附量热技术实现了对ZnxCo1-xCr2O4系列催化剂的优化.
채용공침정법제비료일계렬ZnxCo1-xCr2O4최화제,병장기진행료미량흡부량열기술측정,급분분여갑순린위완기화반응적응용성실험.결과증명,ZnxCo1-xCr2O4최화제상분분화갑순린위완기화반응적활성중심응시산감적협동작용산생적,ZnxCo1-xCr2O4계렬최화제중적Zn/Co적최가비례위Zn/Co=1.운용미량흡부량열기술실현료대ZnxCo1-xCr2O4계렬최화제적우화.
A series of ZnxCo1-xCr2O4 catalysts were prepared by co-precipitation method, and they were measured by microcalorimetric adsorption technique. In addition, the applied experiments of ortho-selective alkylation of phenol with methanol were performed. The results show that ortho-selective alkylation active centers of phenol with methanol on ZnxCo1-xCr2O4 catalysts are produced by synergistic effects of acidities and basicities. Moreover, the best composition