高濃度鎢酸鈉溶液離子交換的動力學(xué).pdf

1、分類號UDC密級編號～碩士學(xué)位論文論文題目高濃度鎢酸鈉溶液離子交換的動力學(xué)學(xué)科、專業(yè)有色金屬冶金研究生姓名導(dǎo)師姓名及專業(yè)技術(shù)職務(wù)胡宇杰孫培梅教授(博導(dǎo))趙中偉教授(博導(dǎo))ABSTRACTThekineticsofionexchangeprocessbetween2017(C1一form)strongbasicanionexchangeresinandstrongconcentrationwe42‘wasstudiedbyBatchrea

2、ctormethodinthisresearchTheion—exchangeadsorptionisothermsindifferentconditionsweredeterminedandDoubleDrivingForceModelwasappliedtodescribethekineticsofionexchangeprocessTheresultsindicatedthattheionexchangeratewasnotaff

3、ectedbytheconcentrationofW04’andthestirringrate；howeveritwasincreasedwiththeincreasingofthereactiontemperatureandthereducingofthebeadradiusandvariedinverselywithsquareofthebeadradiusTheion。exchangeprocesswascontrolledbyt

4、hegraindiffusionTheapparentactivationenergyofreactionwasdecreasedwiththeincreasingoftheconcentrationot喇o，“，’TheeffectoftheconcentrationofCl—ontheionexchangeprocesswasalsostudiedinthispaperTheresultsshowedthatthekinetical

5、ruleoftheionexchangereactionwasnotchanged，theionexchangeprocesswasstillcontrolledbythegraindiffusion，andtheconcentrationofCl—haslittleeffectontheapparentactivationenergyofreactionifthetotalconcentrationofioninthesolution

6、keptinvariablenessTheexchangecapacityandtheadsorptionrateoftheresintoW04。。weredecreasedwiththeincreasingoftheconcentrationofCl_KEYWORDSthekineticsofion—exchange，batchreactordoubledriveforcemodel，apparentactivationenergy，