%0 Journal Article
%T ²è¼îÓ¡¼£·ÓÈ©Îü¸½Ê÷Ö¬µÄÑо¿
%A ³£»³´º
%A º«¹âϲ
%A °×çæ
%A Û¬Îıó
%J ¸ß·Ö×Óѧ±¨
%P 340-346
%D 2011
%R 10.3724/SP.J.1105.2011.10075
%X Bythetechnologyofinversesuspensionpolymerization,theophyllinetemplatephenolicresinsorbent(TTPS)andnonª²templatephenolicresinsorbent(NTPS)havebeensynthesized.ComparisonoftheophyllineadsorptiononTTPSandNTPSwasmade.TheexperimentalresultsshowedthattheadsorptiondatafittedtheLangmuirmodel,whichimpliedthemonomolecularlayersorptioninthesesystems.TheophyllineadsorptiondatamatchedFreundilichequationwithinthelowconcentrationrange,whichmeanttheadsorptionwaspreferential.ByScatchardanalysis,itwasfoundthatTTPSshowedspecificbindingsites.ThedissociationconstantsandthemaximumbindingcapacitywerecalculatedtobeKd1=0ª±129mmol/LandQmax1=138¦Ìmol/gforhighaffinitybindingsitesandKd2=0ª±433mmol/LandQmax2=184¦Ìmol/gforloweraffinitybindingsites,respectively.Moreover,itwasfoundthatthesorptionratedataoftheophyllineadequatelyfittedasemiª²empiricalrateequationnininitialperiod.Itconfirmedtheparticleª²diffusioncontrolmechanismofthesorptionprocess.When2ª±00mmol/Lsolutionoftheophyllineattherateof3BV/hflowedthroughTTPScolumns,breakthroughpointwas24thbedvolumeunderdynamiccondition.Itwasclearthatwith1mol/Lhydrochloricacidattherateofdesorption1ª±5BV/htheremovingof97ª±2%ofallthetheophyllineadsorbedonTTPSwasobservedat4bedvolumes.TheresultshowedthatTTPSpossessedexcellentdesorptionperformance.
%K ·Ö×ÓÓ¡¼£
%K ²è¼î
%K ·ÓÈ©Îü¸½Ê÷Ö¬
%K ·´ÏàÐü¸¡¾ÛºÏ
%K Îü¸½
%U http://www.gfzxb.org/CN/abstract/abstract13385.shtml