乙醇催化脱氢制乙酸乙酯的反应特征

6LeiXuejun(HnanResearchInsttuteofFineCemzcals,nha,Postce410116)ABSTRACTThisPaperreportsthesthetiemethodofglyee1triaeetatewithglyeerine,aeetieacidandeatalyZer.ItalsodiscussestheeffeetofreaetiontemPeratureandtimeonqualityofProduet.(q,,610041)Cu/ZnO/,,,,Pd/CMOSbO(2CeHZOH:q:NZ1:1:330%,Ellitt[3j,cu/ZnO/A12O:qnqn1o.65MPa80%,19%DaMekeeuonearbide[413000t/a,Cu/ZnO/A12q,1.OMPa2501.oh,60%65%,85%90%1.2.,5.onil(7.59),12%,DDT702,YT4,3.SC6GDX101SSC921,l4,24,(),,2.3.4.5.6.1261995121//%/%/%/%20023040.0064.514520,J292502700.480.941.441.953.403.1163.8039.0324.1019.911533.9710.6524.3851.0665.3762.4879.4885.73598975.3873.2056.5723.9648.6358.184851,:0.2h;:;:99.7%2/%/Mpa/%/%/%0.110.5442.5230.391.682.3322.5472.3129.6521.430.180.8128.7630.951.632.2535.6072.0645.2832.630.301.0314.7331.251.722.1249.1570.6569.6449.200.451.1911.4729.061.432.0154.4472.0874.9354.DI0.551.118.4131.360.941.9356.2570.4078.7955.470.751.176.3332.080.891.7057.8368.5981.3059.200.851.155.7233.290.791.5757.4866.8989.3259.751.051.094.6834.340.731.3157.8566.8589.6259.91,:0.95h;:250;:99.7%3/h10.100.200.300.400.500.901.001.701.451.240.970.750.550.49/%16.366.2024.103.9626.993.9427.832.8729,352.0132.051.7230.961.01/%/%1.6472.0084.1071.101.7265.3779.4873.201.8059.5577.7669.231.8849.7575.8662.541.9535.4974.7452.492.3121.2572.4929.172.5620.7270.0928.,1/%2.103.406.4816.7030.4542.1244.2659.6058.1853.8347.4439.2321.1420.12,:250;:;:99,7%4/%/%99.0,1.097.0,3.095.0.5.02.044.551.242.172.6840.3847.5053.120.510.570.492.01.00.555.5146.6336.550.772.30.:260;:1.2MPa;:l.lh(0.9h)6277O5!}/50.11030.50.70.91./MPa4(2)003”10/90807060504020302(M)220240260/2700.114(3)0.30.50.70.9/MPa0053l002.04.06.08.0_l0/h22.53.3510Ž\./:kl=0.360hl!.0250:kl=0.0735h56432-2.001.12.02.5335.0l0/hInc/:,3’001.0Ine6c/inc2.0605040302010+H0.10.30.5070.9/MPa4(1)1.3199512,,,:(1)(s.Canizzaro5)CH,COH(g)CH,CHZOH(a)CH3CHO(aCH3C()H+CH3CHZOHCH3C(HS+HZO(2)(Tisehenbo[6])CH3COH(g)CH3CHO(g)11l}cH3~HZ!CH3CH20H(a)CH3CHO(aJ.:,,Cu/Zno/A1203,(7,,,,,,,2.,:dc/dt=dc/dtZdc/dt(l)d/dt=klc/Cetln(c)kt5,,,2502801o.o735ho.36ohEl=1.27105)/mol(30.30keal/mo!)(2)C,:d/dtkZ_f(,)/:,c/:ln6,:c/:=21llc+B,k:=0.623,B=0.55B=0.623K0.55/0.623=0.6231n2.488,:/r=0.623In(2.418)=0.623In(2.418/pXXp)=0.623In(2.2XxP):,(TMKHH),:O=Aln()d/dr=Ze=kZAln(bP)Aln(b)=kZln(b),(3):d/dt=kl2k21n(b),dc/dt=0,1/2=2In(2.2Xcp)/c,l.05hkl/k:,0.110.180.300.450.550.750.851.05MPal/k:0.0660.0670.0680.0700.0710.0720.0720.0721.05h,6,,,,,3.,,:(1),(2)(3):,,,(4):,,,,:(5):,,,:CH3CHZOH+CH,CHOCCHZCCH3+0¹ZqHSOHCH3CH3+CH4+HZO0lºCC00H,CCHaCO+O»201,CHOCH3CCOHZ,¹,º,,»,,,,,»,ºº»,,l],.18-27(1988)2,,13(4).63(1988)3ElliottDJ,PennellaF,Jtal,119,359(1989)[4~sEng,66(6),15(1985)5],.,327,379,384,,(1980)(6TischtschenroW.emnttal,77.1309(1906)(7.6(1985)(1994924)),,19,1988(),,qREACTIONCHARACTERIST!CSONSYNTHESISOFETHYLACETATEFROMETHANOLTHROUGHCATALYSISANDDEHYDROGENATIONMaiJinghong,WangXiaodong,YongYonghu(Sth~tR~rInstiruteofCemicalIndustundertheMntofmicalIndost,Cgdu,fb610041)ABSTRACTCharaeteristiesofthemainandsidereae-tionsduringthereaetionhavebeeninterPretedinaeeordaneewiththeProcessresearehdataofs-thesisofethylaeetatefromethanolthroughde-199512hydrogenationontheCZnO/203eatalyst.Thereaetionmeehanizm15supsedtobedehy-drogenationcondensationmeehanismandthecontrolsteP15suPposedtobeeondensationreae-tionofaeetaldehyde.Theadsorbedaeetaldehydeplayedamajorroleduringeondensationandtheconeentrationofgaseousstateaeetaldehyde15supsedtobepseudozerolevel.Thessiblewaysofformingallkindsofbyproduetshavebeendiseussed.¹(,210014)14(TAA,la;DNTAA,2aTMTAA,3a)TAA.M,M=Co(H),lb:Ni(11),le;Cu(H),ldTAA.M,M=Ni(n),3b;Cu(ll),3c,:,,[13(TAA)(1){2,3,,TMTAA()TAA,,RIRZlaH!HZTAAZaNHDNTAA3aHCTMTAARRZlbHHleHHldHHZbNH3bHCH33eHCH3MZ+N1TAANiTAA.CuT.6DNTAANzTMTAA.NiCuCoNINiCuTMTAA~Cu114RzRzR22RZR2RiRl(h1d)(Za)3,(3a)4,TMTzA.Ni(3b,3c):(1:2:2),4h,,,,TMTAAMTMTAA.Ni(3b):,MS:m/e/%:400(M+,100),401(M+1,26.4),402M+2,42.4),403(M+3,12.5),404(M+4+,7.4):TMTAACu¹