摘要
在以氟化氢为催化剂的直链烷基苯工业化生产中,通过降低烷基化反应器入口氟化氢流量降低烷基化反应酸烃比,发现氟化氢与烃类的体积比(酸烃比)降至0.9时,对烷基苯的产量和质量仍无明显影响;在烷基化反应器入口,烷烯烃进料量为80t/h、苯进料量32t/h的条件下,酸烃比从1.5降至0.9时,计算结果表明,生产装置内氟化氢的必要用量减少了约20t,说明降低酸烃比可有效降低氟化氢用量。通过对氟化氢必要储量的计算、分析以及实验验证,认为目前生产装置内储存的150t氟化氢远高于100t的安全用量,氟化氢用量的降低对于降低可能潜在的危险性,缩短装置的开停车时间,降低工艺处理和储存难度均有十分积极的意义。
In the produetion of linear alkylbenzene eatalyzed by hydrogen fluoride, the quality and yield of LAB kept stable when the volume ratio of HF to hydroearbons was within a range from 1.5： 1.0 to 0.9 ： 1 by redueing the flux of HF at inlet of reaetor. The necessary dosage of HF was decreased about 20 t when the volume ratio of HF to the hydroearbons decreased from 1.5 ： 1.0 to about 0.9 ： 1 under the eondition that the inlet dosage of hydrocarbons was 80 t/h and the inlet dosage of benzene was 32 t/h.The dosage of HF in apparatus was 150 t,mueh more than the safe dosage by ealeulation. Redueing the dosage of HF in apparatus was benefit to safety and produetion.
出处
《精细石油化工进展》
CAS
2006年第4期46-49,共4页
Advances in Fine Petrochemicals
关键词
直链烷基苯
烷基化
氟化氢
分析
linear alkylbenzene, alkylation reaetion, HF, analysis
