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1、河北工業(yè)大學(xué)碩士學(xué)位論文鉀離子高效吸附劑的合成研究姓名：盧亞哲申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：張林棟20050201堡塞』塹童鱉墮型墼壘些絲窒STUDYoNTHESYNTHESISOFHIGHCAPABILlTYPoTASSIUMADSORBENTABSTRACTThesynthesisofthepotassiumadsorbentandit’sadsorbabilitywasstudiedinthispaperItmainl

2、yincludedthreeaspects：thesynthesisofthepotassiumadsorbentwithaluminosilicatebyhydrothermalmethod；thestudy0ntheadsorbabilityofthepotassiumadsorbentandtheresearchonthethermodynamicsoftheadsorbentTheconclusionwasdrawnbythes

3、ynthesisofmolecularsieve：aftermixedsolubleglassandaluminumsulfatewithproperproportionunderroomtemperature，itwasstirredstormilyteactAndthenwemixedwithpotassiumhydroxidesolutionafterfiltratingAtlast，themolecularsievesofpot

4、assiumtypewassynthesizedafterthemixturereactedintheovenorautoclavefor24hoursThemolecularsievewasremodeledmorethantwicewithammoniumchloridesolutionthattheconcentrationwas3mol／LandthenremodeledtwicewithtIlesaturatedsodiumc

5、hloridesolutionFinallythemolecularsievewaschangedintothesodiumtypeItwasnamedWzeoliteInthispaperthepotassiumadsorbentwhichwaspreparedintheautoclaveWasmainlystudiedItincluded：theabsorptionofpotassiumiOilinpotassiumchloride

6、solutionandseawatertheabsorptionofammoniumioninammoniumchloridesolution，andtherecyclingofmolecularsieveintheexperimentItwasshowedthat：amongthoseadsorbentssynthesizedinautoclavetheadsorbabilityofadsorbentiSthebestwhenthez

7、eolitehasasilicatoaluminaratioabout46Theadsorptioncapacityofpotassiumionis5918mgpergramzeoliteinseawaterandis23538ragpergranazeoliteinpotassiumchloridesolutionTheadsorptioncapacityofammoniumionis10246mgpergramzeoliteinam

8、moniumchloridesolutionTheadsorbabilityofmolecularsievewouldnotchangeafteritWaSelutedwithammoniumchloridesolutionandthenwasregeneratedwithsaturatedsodiumchloridesolutionThatthefreeenergyvalueofthestandardGibbsWaSlessthanz

9、eroWasfoundbydeterminingtheadsorptiveisothermSotheheatwassetoutwhenionexchangereactionhappenedThereactionwaseasytoprocessunderlowertemperatureandthecapacityofK十exchangewasenhancedwiththereductionoftemperatureWzeoliteCana

10、dsorbKselectivelybecauseofitsstructurecharacteristicThereisplentyofpotassiumresourcetoexploitanduseinseawaterSoithadfarreachingmeaningtostudyonthesynthesisWzeoliteanduseittoexploittheabundantpotassiumresourceinouroceanKE

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