文档介绍：乙苯脱氢制苯乙烯实验报告一实验目的(1)了解以乙苯为原料在铁系催化剂上进行固定床制备苯乙烯的过程,学会设计实验流程和操作;(2)掌握乙苯脱氢操作条件对产物收率的影响,学会获取稳定的工艺条件之方法。(3)掌握催化剂的填装、活化、反应使用方法。(4)掌握色谱分析方法。,只有在催化剂存在的高温条件下才能提高产品收率,其反应如下:主反应CHCHCHCH+H652565232副反应CHCHCH+CH65256624Agglutination,,:-alibrationofmicroplate,standardoperating,-automaticimmunologicalanalysercalibration,standardoperating,,usingafluorescentmicroscopeoperationandtheirownanalysisontheexaminationresultsofantibody.(Vi)professionalmasterofclinicalmicrobiologicalexaminationof:.(Gram,resistancetoacid,inkstaining)monnuclearcollection,cultivationandidentificationofspecimens.(Blood,CSF,sputum,urine,stool,pus,pleuraleffusion,secretion)monculture,isolation,identificationanddrugsensitivetestofbacteria.(us,us,us,micro-iis,a,,andb,anddgrouphammerbacteria,andswinehemolyticsexhammerbacteria,andpneumoniahammerbacteria,meningitis,andcardhe,andgonorrheaNeisseriameningitidisbacteria,producedsinglenuclearcellLisztbacteria,andcolorectalEscherichiacolibacteria,salmonellabacteria,recordshebacteria,Crabbbacteria,hafuniyabacteriais,deformationBacillusis,sildenafilcitrateacidBacillusis,andpuluofeiDengbacteriais,andPseudomonasaeruginosafakesinglecellbacteria,producedalkalifakesinglecellbacteria,andaddictedtomaltyellowsinglecellbacteria,andnotmovingBacillusis,andproducedalkaliBacillusis)monspecimenspainted...Lesions,pepticulcerbleeding,bleedingfromesophagealvarices),hepatitisandalcoholiclivercirrhosisCH+HCH24226CHCH+HCH+CH652526626CHCHCH,CH+CH65256534此外,还有部分芳烃脱氢缩合、聚合物以及焦油和碳生成。,?H>0,从平衡常数与温度的关系式0lnK,,H,,P可知,提高温度可增大平衡常数,从而提高脱氢反应的平衡,,,2,TRT,,P转化率。但是温度过高副反应增加,使苯乙烯选择性下降,能耗增大,设备材质要求增加,故应控制适应的反应温度。,,P,,总,KK乙苯脱氢为体积增加的反应,从平衡常数与压力的关系式可Pn,,,ni,,知,当?γ>0时,降低总压P可使K增大,从而增加了反应的平衡转化率,故降总n低压力有利于平衡向脱氢方向移动。实验中加入惰