简介:Togetanoptimizedpulsedelectricalplasmadischargereactorandtoincreasetheenergyutilizationefficiencyintheremovalofpollutants,twohybridplasmadischargereactorsweredesignedandoptimized.Thereactorswerecomparedviathedischargecharacteristics,energytransferefficiency,theyieldsoftheactivespeciesandtheenergyutilizationindyewastewaterdegradation.TheresultsshowedthatunderthesameACinputpower,thecharacteristicsofthedischargewaveformofthepoint-to-platereactorwerebetter.UnderthesameACinputpower,thetworeactorsbothhadalmostthesamepeakvoltageof22kV.Thepeakcurrentofthepoint-to-platereactorwas146A,whilethatofthewire-to-cylinderreactorwasonly48.8A.Thepeakpowersofthepoint-to-platereactorandthewire-to-cylinderreactorwere1.38MWand1.01MW,respectively.Theenergyperpulseofthepoint-to-platereactorwas0.2221J,whichwasabout29.4%higherthanthatofthewire-to-cylinderreactor(0.1716J).Toremove50%AcidOrange7(A07),theenergyutilizationsofthepoint-to-platereactorandthewireto-cylinderreactorwere1.02×10-9mol/Land0.61×10-9mol/L,respectively.Inthepoint-toplatereactor,theconcentrationofhydrogenperoxideinpurewaterwas3.6mmol/Lafter40minofdischarge,whichwashigherthanthatofthewire-to-cylinderreactor(2.5mmol/L).Theconcentrationofliquidphaseozoneinthepoint-to-platereactor(5.7×10-2mmol/L)wasabout26.7%higherthanthatinthewire-to-cylinderreactor(4.5×10-2mmol/L).Theanalysisresultsofthevarianceshowedthatthetypeofreactorandreactiontimehadsignificantimpactsontheyieldsofthehydrogenperoxideandozone.ThemaindegradationintermediatesofA07identifiedbygaschromatographyandmassspectrometry(GCMS)wereaceticacid,maleicanhydride,pbenzoquinone,phenol,benzoicacid,phthalicanhydride,coumarinand2-naphthol.Proposeddegradationpathwayswereelucidatedinlightoftheanalyzeddegradationproducts.
简介:2014年12月10日,“2014年能源行业核电标准化技术委员会秘书处工作会议”在北京圆满召开。会议对能源行业核电标准化技术委员会在2014年度的工作进行了全面总结和回顾,深入分析了核电国产和标准建设过程中当前面临的形势、问题以及战略机遇,进一步明确了2015年核电标准的部署和后续发展思路。本次会议的顺利召开,为下一步核电标准化工作的顺利开展奠定了良好的基础。国家能源局能源节约和科技装备司修炳林副司长出席会议并作重要讲话,核工业标准化研究所康椰熙所长详细汇报了2014年度能源行业核电标准化技术委员会工作情况。现将其摘录如下。以飨读者。