CAJ | 학술논문

制备了两种磷钼酸季铵盐类相转移催化剂[ C16 H33（ CH3）3 N]2[ HPMo12 O40]和[（ CH3 CH2）4 N]2[ HPMo12-O40]，以30%的H2 O2为氧化剂，易回收、无毒复合溶剂为萃取剂，采用一步氧化萃取脱硫法和两步氧化萃取脱硫法对直馏柴油进行了氧化脱硫研究。结果表明，一步法脱硫效果比两步法好，[ C16 H33（ CH3）3 N]2[ HPMo12 O40]的脱硫效果优于[（CH3CH2）4N]2[HPMo12O40]，适宜的反应条件为：O/S比（摩尔比）为8：1，催化剂用量5%，反应温度40℃，反应时间80 min，萃取剂油比1（体积比），此时直馏柴油的脱硫率为61.3%，收率为95%，催化剂重复使用5次后，脱硫率没有明显下降。
제비료량충린목산계안염류상전이최화제[ C16 H33（ CH3）3 N]2[ HPMo12 O40]화[（ CH3 CH2）4 N]2[ HPMo12-O40]，이30%적H2 O2위양화제，역회수、무독복합용제위췌취제，채용일보양화췌취탈류법화량보양화췌취탈류법대직류시유진행료양화탈류연구。결과표명，일보법탈류효과비량보법호，[ C16 H33（ CH3）3 N]2[ HPMo12 O40]적탈류효과우우[（CH3CH2）4N]2[HPMo12O40]，괄의적반응조건위：O/S비（마이비）위8：1，최화제용량5%，반응온도40℃，반응시간80 min，췌취제유비1（체적비），차시직류시유적탈류솔위61.3%，수솔위95%，최화제중복사용5차후，탈류솔몰유명현하강。
Two type eatalysts of quaternary ammonium phosphomolybdate phase transfer were synthesized:[ C16 H33( CH3 )3 N]2[ HPMo12 O40 ]and[( CH3 CH2 )4 N]2[ HPMo12 O40 ],and then used as effeetive eata-lysts assoeiated with 30% H2 O2 as oxidant,easy reeovery,non-toxie eompound solvent as extraetion,by one-step and two-step oxidation-extraetion desulfurization method for straight-run diesel oxidation desulfu-rization researeh. The results show that one-step desulfurization method was better than the two-step,and [ C16 H33( CH3 )3 N]2[ HPMo12 O40 ]desulfurization effeet is better than[( CH3 CH2 )4 N]2[ HPMo12 O40 ]. The optimum reaetion eonditions were as follows:when molar ratio of H2 O2 to sulfur is 8:1,the amount of eatalyst is 5%,reaetion time is 80 min at 40 ℃,and volume ratio of extraetion to diesel oxidation is 1( v/v),the sulfur removal of straight-run diesel ean reaeh 61. 3%,the yield was 95%. The eatalyst ean be re-eyeled 5 times without obvious deerease in the sulfur removal.