负载型石墨烯与介孔材料脱硫性能分析

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1、————————————————————二燮三叁堂塑．!：堂垡堡兰据分析得出CuCl在介孔硅片上的单层分散阈值为4mm01．g～。采用静态吸附实验考察吸附脱硫效果，结果表明，CuCI／MCP的吸附脱硫效果达90％以上。关键词：吸附脱硫，石景烯，介孔材料，兀．络合ABSTRACT——————————————————————————————————————————一————————————————————————————————————————————————一DESULFURIZATIONPER．FORMANCEOFSUPPORTEDGRAPHENEANDMESOPOROUSMATSRIAL

2、SABSTRACTManycountrieshaveformulatedseriesofstringentcriteriaforrestrictingthecontentofsulfurinfuelwiththerequirementtoimprovethequalityoftheenvironment．Thetraditionalhydrodesulfurizationtechnologiesarebeingchallenged，anddemandingdevelopingnewdeeperdesulfurizationtechnologies．兀一complexionadsm‘ptio

3、ndesulfurizationhasbeenwidelyinvestigatedforitshighselectivit}7，gooddesulfurizationperformance，easyregenerationandlowcost．Inthispaper，nanometermetaloxidesupportedongraphene(Gr)asadsorbents(Cu20／Gr，CuO／GrandNiO／Gr)werepreparedbychemicalreductionandthermalreductionrespectively，usingthecationexchange

4、propertyofgraphiteoxide．Theadslc)rbentswerecharacterizedbySEM，XRD，BET,BJH．Themodelfuelwaspreparedbyisooctaneassolventandthiopheneasthesulfuriccompound．TheeffectoftemperatureandtimeontheadsorptiondesulfurizationperformanceofCu20／Gr，CuO／GrandNiO／Gras一北京化T人学坝二【：学位论文———————————————————————————————————

5、—————————————————————一一兀-complexionadsorbentswerestudiedthroughthestaticmethod．Theresultsshowedthattheadsorptiondesulfurizationfor4hat50。Cwastheoptimumcondition．TheadsorptiondesulfurizationisothermswerefittedbytheFreundlichequationandLangmuirequation，theresultsshowedthat，theFreundlichisothermequat

6、ionfittedtheadsorptionequilibriumdatepointswell。theadsorptionwasfavorableatthesestudiedconditions．Thesaturatedadsorptioncapacityofsulfurwithaconcentrationof896．4ppmwonCuO／Gr，NiO／Gr，Cu20／GrandGrwas54．1mg·g一，38．3mg·g～，35．0mg·g～，and18．3mg‘g～respectively，at50。C．Theorderoftheadsorptiondesulfurizationca

7、pacitywasCuO／Gr>NiO／Gr>Cu20／Gr>Gr．Themesoporouscarbonplatelet(MCP)waspreparedbycarbonizationhexagonalmesoporoussilicaplateletashardtemplatewhichwassynthesizedbysol—gelmethod，andthesizeofthemesoporouscarbonplatele