简介：TheYongjiZhongnongChemicalCo.,Ltd.inShaanxiprovinceforthefirsttimeappliesinitsmethanolproductionprocesstheinventionpatentoftheBeijingBoxueWeitongScienceandTechnologyCompany,Ltd.——'thecomplextype

简介：ATi/Sicomplexzeolitehasbeenprepared.X-raydiffractionandinfraredspectrometrystudyhasshownthattwostructures,namelytheZSM-5andMCM-41,existinthesample.BETtestshaverevealedthatthecomplexzeolitecontainsregularmesoporesof2.6nm.UltravioletspectrometryanalysishasshownthattheTispeciesexistinthezeoliteskeletonintheformoftetra-coordinatevalence.TheTi/Sicomplexzeolite(TS-1/Ti-MCM-41)hasapparentlyimprovedcatalyticactivitywithrespecttothemacromolecularorganiccompoundoxidationascomparedtoindividualcomponentsofeitherTiorSicontainingzeolites(TS-1andTi-MCM-41).

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简介：OneofthemajoraromaticsprojectsatthePetroChinaUrumqiPetrochemicalCompany—theconstructionof1.0Mt/aparaxylene/aromaticsintegratedunitwasofficiallykickedoffonMay1,2008inUrumqi.Theinvestmentinthisunittotals3.867billionRMB,makingthisunitthelarg-estsingle-seriesone-million-ton-classaromaticsintegratedunitamongtheworld'ssimilarunits.