可再生资源-木质素的高效利用

510640GCL1GCL2GCL3GCL4GCL118%25%11.5GCL2A399%50%GCL362%69%GCL490%1.“”20%~30%6×1014t[1]40%[2]21[3,4]21%60[3,5][6]1C3C61GCL1GCL2GCL3GCL42.2.11221MwMw/Mn(mmol.g-1)(mmol.g-1)(mmol.g-1)53004.401.152.311.0126002.422.062.590.5855003.911.872.570.5736003.260.782.450.431E-30.010.11104045505560657075surfacetension,mN/mmassconcentrationofLS,g/LFrcation1Fraction2Fraction3Fraction4Fraction522MwMn(mmol.g-1)(wt%)(wt%)10009003000.7517.141.751000500030009001.2110.622.05500010000760023001.496.831.6310000300001230064001.174.561.483000021600118000.862.451.3112222.23abab358nm1520nm100200nm58nm1520nm100200nm440246810120.00.51.01.52.02.53.03.54.04.55.0AmountadsorptedCL,nm,mg/gEquilibriumCLSconcentration,Ce,mg/mLFraction1Fraction2Fraction3Fraction4Fraction565TiO25TiO2LangmuirTiO2TiO2nms=KM0.0866773.3.13870246810121416180123456789mg/gg/L1.36mmol/g1.88mmol/g2.14mmol/g2.48mmol/g050100150200250300051015202530adsorptionamount,mg/gmassconcentration,mg/L+0.2+0.3+0.4+0.5+0.6+0.7+0.8+0.9+1+2+3+4+5+6+7+8+9+10+20+30+40+50+60+70+80+90+100354045505560657075surfacetension,mN/Nmassconcentration,g/L83,(mmol/g)1.521.363.2GCL1GCL1GCL19GCL11.96mmol/g441m50022019GCL1TEM10203040506070800.0010.010.1110100kg/m3mN/mGCL1-40-30-20-10010051015kgZetamvGCL11101234560246810121416kg/m3mg/gGCL1Zeta1012GCL1GCL1ZetaGCL1GCL1FDN44GCL1FDN4%%%3728001001001000.256.411994102GCL10.4019.5160138128FDN0.5020.1154140126GB80761997/121251251201:2.38:4.27,305kg/m33.3GCL25/10-4m2hkJ-1/%/mma-1/%2.100.4129HEDP0.7663.80.152263.15.70-171.40.216247.6GCL20.80661.60.010397.5GCL2GCL2GCL2255GCL297.5HEDP63.11324h24h42h/48h3.4GCL313GCL2-3-2-10123451.01.52.02.53.03.54.04.55.0log(|z|/ohmcm2log(f/Hz)1h4h8h12h16h24h36h38h42h48h60h01020304050607080-Phaseangle/Degree020000400006000080000010000200003000040000-Zim/ohmcm2Zre/ohmcm21h4h8h12h16h24h36h38h42h48h60hGCL3GCL3Zeta66GCL3Zetazeta/mVGCL3S-64-72-61-54SL-46-38-42-41FDN-46-54-52-456GCL3SL3.5GCL4-1GCL4-1GCPMwMn77GCL4-11.96mmol/gBorregaardKinsperse1262.05mmol/g9700Kinsperse12652007GCL4-1mmol/gml/gMwMnMw/Mn1.967.19970023004.2214GCL4-180WGGCL4-1WG0.7mm1.0mmGCL4-11480WGGCL4-188GCL4-180%90%5%BorregaardKinsperse1268GCL4-1WG4.123GCL118%25%11.5GCL2A399%50%GCL362%69%GCL490%[1]LewisN.G,YamamotoE.Lignin:occurrence,biogenesisandbiodegradation,Annu.Rev.PlantPhysiol.andPlantMol.Biol.,1990,41:455-496.[2]McCarthyJ.L,Glasser,W.G,NortheyR.A,etal.,Lignin:historical,biological,andmaterialsperspectives,AmericanChemicalSociety,2000:92-100.[3]Chahar,S,Dastidar,M.G.,Choudhary,V,etal.,Synthesisandcharacterisationofpolyurethanesderivedfromwasteblackliquorlignin,JournalofAdhesionScienceandTechnology,2004,18(2):169-179[4]Nadif,A,Hunkeler,D,Kaauper,P,Sulfur-freeligninsfromalkalinepulpingtestedinmortarforuseasmortaradditives,BioresourceTechnology,2002,8(4):49-55[5].Dizhbite,T,Zakis,G,Kizim,A,etal.,Lignin—ausefulbioresourcefortheproductionofsorption–activematerials,BioresourceTechnology,1999,67:221-228[6].Orlandi,M,Canevali,C,Rindone,B,etal.,Biomimeticapproachtolignindegradation:AmechanisticstudyofMetallosalencatalysedoxidationofligninandligninmodelcompounds,7thEuropeanWorkshoponLignocellulosicsandPulp,2002:369-373.80%WG80%WGKinsperse126GCL4-1Kinsperse126GCL4-177.5175.7080.4683.74%77.4175.4278.0281.8889.5089.6097.2096.80%91.5094.4092.1094.70可再生资源－木质素的高效利用作者：邱学青，欧阳新平，杨东杰，庞煜霞，楼宏铭作者单位：华南理工大学化学与化工学院,广州,510640本文链接：