简介:JiangxiZhengbangGroupCompany,Ltd.willconstructa200kt/aaceticacidunitinYima,Henanprovince.Thisunitwilladopttheadvancedmethanoloxo-synthesistechnologybasedonmethanolandcarbonmonoxideasthefeedstocksfeaturinglowinvestment,lowcost,lowenergyconsumptionandlowcontamination.Yimacityhasabundantcoalresources,andthecapacityofexistingmethanolunitsandmethanolunitsunderconstructionwillreach540kt/a.
简介:The60kt/astyreneunitatSINOPECQiluBranchCompanywasputonstreamin1988,withethylbenzeneandstyrenemanufacturedrespectivelythroughhigh-temperaturealkylation(theAlCl3method)andadiabaticdehydrogenationunderreducedpressurethatwerejointlydevelopedbyMonsanto/Lummus.AlCl3methodcancausecorrosionandenvironmentalproblems,whichwouldaffectnormaloperationoftheunittoposeadefinitesafetyhazard.