简介:中石化上海石化股份有限公司380kt/a乙二醇装置开工建设,计划2006年上半年竣工投产。装置建成后,上海石化的乙二醇年总产能将达610kt/a,居国内第一。该项目总投资近10亿元,采用世界先进的工艺技术和催化剂,单耗、能耗、产品质量等各项指标国内领先。
简介:JiangxiZhengbangGroupCompany,Ltd.willconstructa200kt/aaceticacidunitinYima,Henanprovince.Thisunitwilladopttheadvancedmethanoloxo-synthesistechnologybasedonmethanolandcarbonmonoxideasthefeedstocksfeaturinglowinvestment,lowcost,lowenergyconsumptionandlowcontamination.Yimacityhasabundantcoalresources,andthecapacityofexistingmethanolunitsandmethanolunitsunderconstructionwillreach540kt/a.
简介:BasedonthesinglebiasingelectrodeexperimentstooptimizetheconfinementofplasmainthedeviceofKT-5Ctokamak,dual-biasingelectrodeswereinsertedintotheKT5Cplasmaforthefirsttimetoexploretheenhancingeffectsofbiasingandthemechanismsofthebiasing.Bymeansofapplyingdifferentcombinationsofbiasingvoltagesontothedualelectrodes,thechangesofE_r,whicharethekeyfactorforboostinguptheE_r×Bflowshear,wereobserved.Thetimeevolutionshowedthattheinnerelectrodeplayedamajorroleindual-biasing,whichdrewlargercurrentthantheouterone.Theouterelectrodeproducedlittleinfluence.Itturnedoutthatthedual-biasingelectrodeswereaseffectiveasasingleoneinimprovingtheplasmaconfinement,forthemechanismofbiasingwasessentiallyanedgeeffect.
简介:The60kt/astyreneunitatSINOPECQiluBranchCompanywasputonstreamin1988,withethylbenzeneandstyrenemanufacturedrespectivelythroughhigh-temperaturealkylation(theAlCl3method)andadiabaticdehydrogenationunderreducedpressurethatwerejointlydevelopedbyMonsanto/Lummus.AlCl3methodcancausecorrosionandenvironmentalproblems,whichwouldaffectnormaloperationoftheunittoposeadefinitesafetyhazard.