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1,211(1.,,510640;2.,,161006):,:;;,,,,,,,,,,[1],,:,;();,,;,;(0100ppm)1,:(1)(),,,,1[2]1Ca2+(/g)12012101393722798163620311069212821741169109313952013153272559258634661242aa;b;(2)(RH)(BG)(PC)(PL),N,N-(DMF)3--1,2-(EMD),1,,[3](3),,,ROH,R-,[4],21PaperScience&Technology2003Vol.22No.31EMD2(mmol/g)COOHAg+Cd+2Co+2Cu+2Fe+2Mn+2Ni+2Pb+2Zn+2PCS0.260.020.010.010.020.060.020.020.020.01CFL0.170.020.010.010.010.050.020.080.030.01CF0.700.160.100.090.130.200.080.090.110.10GCC0.770.110.040.050.070.120.050.050.070.05Cel0.160.020.010.000.020.050.010.020.010.01PCS-CA4.211.251.171.491.721.381.281.350.861.30CFL-CA3.661.311.211.431.851.311.311.620.781.26CF-CA3.701.070.910.991.270.770.850.890.790.87GCC-CA3.780.940.870.851.050.680.760.790.730.71Cel-CA2.560.920.530.600.540.480.530.430.490.56PCSCFLCFGCCCelCA(4)ZnCuPbNiCd:4.315.2mg/g,CaCO310%90%[1]2,,,:(1)80,1N,,1,2-0.1N,200mg()/g,2[5]2(2)(Wood-PEI)(DTC-Wood)()()(AO-Wood)DTC-WoodAO-Wood3[6]:(3)[5],(4)(4)22003223[5](5),Cu2+,Ni2+Cd2+15402DTCwood(a)AOwood(b)34KMnO434Cr21745122mg/g,,[7](),pH[810],,[9],,,,[11]4,,,,,,:[1]V.J.Larsen&H.H.Schierup.Theuseofstrawforremovalofheavymetalsfromwastewater.J.Eniviron,Qual.,1996,10(2):188-193[2]J.Lehrfeld.Conversionofagriculturalresiduesintocationexchangemate2rials.JournalofAppliedPolymerScience.1996,61:2099-2105[3]U.S.Orlando,A.U.Baes,W.Nishijima,M.Okada.Anewproce2duretoproducelignocellulosicanionexchangersfromagriculturalwastematerials.BioresourceTechnology,2002,83:195-198[4]R.E.WingandD.J.SEssa.Biopolymercitrates:Preparationandionexchangeproperties.161[5]V.Marchetti,A.ClÓment,P.GÓrardin,B.Loubinoux.Synthesisanduseofesterifiedsawdustsbearingcarboxylgroupforremovalofcadmium()fromwater.WoodScienceandTechnology,2000,34:167-173[7]N.-S.Cho,M.Aoyama,K.Seki,N,Hayashi.S,Doi.Adsorptionbyconiferousleavesofchromiumionfromeffluent.J.WoodSci.,1999,45:266-270[8]G.Vßzquez,J,etal.Removalofcadmiumandmercuryionsfromaqueoussolutionbysorptionontreatedpinuspinasterbarks:kineticsandisotherms.BioresourceTechnology,2002,82:247-251[9]M.Aoyama,M.tsuda.RemovalofCrffromaqueoussolutionsbylarchbark.WoodScienceandTechnology,2001,35:425-434[10]J.M.Randall,R.L.Bermann,V.Garrett,andA.C.Waiss,Jr.Useofbarktoremoveheavyionsfromwastewater.ForestProd2uctsJournal.1974,24(9):80-84[11]J.M.Randall,etal.,1976.Modifiedbarksasscavebgersforheavymetalions,ForestProductsJournal.1976,27(11):46-50(16)3PaperScience&Technology2003Vol.22No.3CellulaseEnzymaticDeinkingofMixedOfficeWasteHuZhanboWangShuangfeiLiangDongmeiMoJianmeiZhangHui(Pulp&PaperInstituteofGuangxiUniversity,Nanning,530004)Abstract:Enzymaticdeinkingofmixedofficewastewasstudiedbyusingfourcellulases,thedeinkingeffectandpropertiesofdeinkingpulpswereevaluated.Theresultsshowedthatthecellulasecontainingendoglucanases,cel2lobiolhydralasesandxylanasesandwithaFPA/CMCaseratioof0.029wasthebestcellulaseforenzymaticdeinking.Thedeinkingratewashighest(82.3%);thepaperstrengthwasgood,breakinglengthwasonly0.8%lowerthanthatofcontrolpulp.Theoptimumconditionswere:thecellulasedosage1.0IU/g(CMCase),temper2ature50-55,pH5.0-5.5,time30-45min,pulpconsistency:5.0%-5.5%.Keywords:mixedofficewaste;enzymaticdeinking;cellulase(3)UtilizationofVariousAgriculturalandForestResiduesforRemovalofHeavyMetalsfromWasteWaterXuFeng1,2SunRuncang1ZhanHuaiyu1(1.StateKeyLaboratoryofPulpandPaperEngineering,SouthChinaUniversityofTechnology,Guangzhou,510640;2.QiqiharUniversity,Qiquhar,161006)Abstract:Theapplicationandresearchofuntreatedandtreatedagriculturalandforestresiduesfortheremovalofheavymetalsfromwastewaterarereviewedinthispaper.Itsdevelopmenttrendisalsoindicated.Keywords:agriculturalandforestresidues;wastewater;heavymetalions1918,100(),,,1112,,136,2004,618(),1150,9745,30,,,,1215,10,,()612003223