CAJ | 학술논문

采用自行研制开发的新型铁系复合氧化物催化剂，以间甲酚为原料，甲醇作甲基化剂，在固定床管式反应器中进行催化反应，一步合成2，3，6-三甲基苯酚，考察了温度、空速及原料配比对反应的影响。结果表明，在LHSV 0．8 h-1、反应压力 0．2 MPa、温度 360 ℃、间甲酚／甲醇／水摩尔比为1／6／2的条件下，间甲酚的单程转化率为99.89％；2，3，6-三甲基苯酚选择性为90.80％。
채용자행연제개발적신형철계복합양화물최화제，이간갑분위원료，갑순작갑기화제，재고정상관식반응기중진행최화반응，일보합성2，3，6-삼갑기분분，고찰료온도、공속급원료배비대반응적영향。결과표명，재LHSV 0．8 h-1、반응압력 0．2 MPa、온도 360 ℃、간갑분／갑순／수마이비위1／6／2적조건하，간갑분적단정전화솔위99.89％；2，3，6-삼갑기분분선택성위90.80％。
2，3，6-trimethylphenol which is useful as intermediates for vitamin E and pesticides was prepared by vapor-phase methylation of m-cresol with methanol in a fixedbed tube reactor in the presence of a metal oxide catalyst.The influence of temperature，space-velocity and feed molar ratio on the yield of 2，3，6-trimethylphenol was examined.The synthesis process was also described in detail.The results show that the catalysts have higher reactivity and selectivity.The conversion of m-cresol is 99.89％，the selectivity of 2，3，6-trimethylphenol is 90.80％.