简介:InAugust2008thenewtechnologyformanufactureofpro-pyleneoxidethroughdirectoxidationofpropylenebyhy-drogenperoxidedevelopedbyDalianInstituteofChemicalPhysics(DICP),CAShaspassedtheexperts'appraisalor-ganizedbytheScienceandTechnologyDepartmentofLiaoningProvince.Itistoldthatthisnewtechnology,beinganenvironmentallyfriendlynewprocess,willeventuallyput
简介:AninnovativeapproachtoH2Scapturehasbeendevelopedusingseveralmetal-basedionicliquids([Bmim]Cl·CuCl2,[Bmim]Cl·FeCl3,[Bmim]Cl·ZnCl2,[Bmim]Br·CuCl2,and[Bmim]Br·FeCl3)immobilizedonthesol-gelderivedsilica,whichissuperiortopurelyviscousionicliquidwithacruciallimitofhightemperature,lowmasstransferrate,andmassloss.TheadsorbentswerecharacterizedbytheFouriertransforminfraredspectrometer,transmissionelectronmicroscope,N2adsorption/desorption,X-rayphotoelectronspectroscopy,andthermalanalysistechniques.TheeffectsofthemetalandhalogeninIL,theloadingamountofIL,andtheadsorptiontemperaturewerestudiedbydynamicadsorptionexperimentsatagasflowrateof100mL/min.TheH2Sadsorptionresultshaveshowedthattheoptimaladsorbentandadsorptiontemperatureare5%[Bmim]Cl·CuCl2/silicageland20-50℃,respectively.H2Scanbecapturedandoxidizedtoelementalsulfur,and[Bmim]Cl·CuCl2/silicagelcanbereadilyregeneratedbyair.TheexcellentefficiencyofH2Sremovalmaybeattributedtotheformationofnano-scaledandhigh-concentration[Bmim]Cl·CuCl2confinedinsilicagel,indicatingthattheimmobilizationof[Bmim]Cl·CuCl2onthesol-gelderivedsilicacanbeusedforH2Sremovalpromisingly.
简介:TillOctober9,2012thelineAcyclohexanoneunitofthe200kt/acaprolactamprojectownedbytheBalingHengyiCaprolactamCompanyinZhejiangprovincehasbeenoperatingcontinuouslyandsmoothlyfortendays.Tillnowthetwoproductionlinesatthecaprolactamproject,inwhichtheSinopecCorp.andtheZhejiangHengyiGroup
简介:本周,余姚中国塑料城塑料原料市场出现剧烈震荡。周初,基本上是延接上周的迅猛涨势,把市场价格进一步推高,特别是ABS树脂等性塑料,市场气氛上升到近年来的最高峰。周二,市场上刮起一阵冷风,传出降价的消息,造成市场一阵恐慌,在个别小销售商中即出现在压价抛售现象。实际上这是空穴来风,因为由于前期的塑料原料价格上涨的速度太快,涨幅过大,作适当回调这在市场运营中是正常现象。而且目前市场基本面的形势仍然太好,尽管下游市场的支持力度相对较弱,但得到上游市场强有力的支撑,外盘坚挺,国际油价还在继续攀高,国内石化生产厂家并没有出台下调出厂价格的举措。因此,经过短暂的骚动后,下半周的市场已趋平稳。