CAJ | 학술논문

以介孔分子筛SBA-15为载体，铌酸为铌源，采用浸渍法制备 Nb-SBA-15催化剂。以质量分数为30％的H2 O2为氧化剂，Nb-SBA-15为催化剂，N ，N-二甲基甲酰胺（DMF）为萃取剂对催化裂化汽油进行了脱硫实验。结果表明：在温度60℃、反应时间60 min、催化剂用量为FCC汽油质量的5％、氧化剂与含硫化合物物质的量比为3∶1、萃取剂与FCC汽油的体积比为1．0时，催化裂化汽油的脱硫率可达到95．4％，收率为83．8％。
이개공분자사SBA-15위재체，니산위니원，채용침지법제비 Nb-SBA-15최화제。이질량분수위30％적H2 O2위양화제，Nb-SBA-15위최화제，N ，N-이갑기갑선알（DMF）위췌취제대최화열화기유진행료탈류실험。결과표명：재온도60℃、반응시간60 min、최화제용량위FCC기유질량적5％、양화제여함류화합물물질적량비위3∶1、췌취제여FCC기유적체적비위1．0시，최화열화기유적탈류솔가체도95．4％，수솔위83．8％。
Niobium Modified SBA-15 was synthesized by the wetness impregnation with niobic acid as precursor . The desulfurization of FCC gasoline was carried out with the mass fraction of 30% H2 O2 as the oxidant ,Nb-SBA-15 as the catalyst ,and N ,N-dimethyl formamide(DMF) as the extractant .The sulfur removal rate and yield of FCC gasoline can reach 95 .4% and 83 .8% under the following conditions :reaction temperature:60 ℃ ,reaction time :60 min ,weight ratio of catalyst/FCC gasoline:5% ,mole .ratio of oxidant/sulphur compounds 3∶1 ,and volume ratio of solvent (DMF) to oil was 1.0.