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1、时光荏苒，岁月如白驹过隙，不经意间，我们即将从多彩的大学毕业，完成一个从大学生到社会人的转变。四年的大学生涯，让我明白了许许多多的科学知识和人生哲理，以及数不尽的感悟和成长。然只有将所学的理论知识付诸于社会的实践，才能检验和实现理论自身的价值，也只有将理论付诸于实践才能使理论得以检验。同样，一个人的价值也是通过实践活动来实现的，也只有通过实践才能锻炼人的品质，彰显人的时代风貌。而毕业实习作为大学的最后一课，也是最后一刻，我倍加珍惜，从而可以较深层次的理解社会，以便为将来能更好的胜任工作打下坚实的基础。附录AResearchAdvancesintheBiobeneficiationof
2、BauxitesAbstract:Therecentresearchadvancesandcurrenttrendsinthebio-beneficiationofbauxitewerebrieflyoutlinedinthispaper.Somesuggestionsforpromotingresearchworkinthisfieldwereproposed.Keywords:Bauxite;BiotechnologyBeneficiationBauxiteaccordingtotheirusecanbedividedintometallurgicalgradeproductio
3、nofalumina,refractorygradeabrasivegrade,chemicalproductslevelfourcategories.Withthehighqualitybauxiteresourcesareincreasinglyscarce,bauxitebeneficiationhasbeenwidelyaccepted.Overtheyears,thebauxitebeneficiationimpurity(desilication,de-ilmenite)andthephysicalmethodandchemicalmethod.Forexample,th
4、ere-election,magneticseparation,flotation,chlorinechloride,hydrochloricacidleaching.Asthebauxitemineralcrystallizationinsmallscatteredanddisseminatedwiththegangue,dissociationdegreeofdifferencebetweentheimpurityeffect,usingphysicalmethodsisnotideal.Chemicalimpuritysatisfactory,butbecauseofthehi
5、ghcostandenvironmentalpollution,whichisgenerallynotused.ThephysicalmethodandchemicalFranceimpuritydefects,studyofforeignthebauxitebiologicaldressingtocarryoutmoreactive.1.ThebasicprinciplesofabauxitebiologicaldressingBiologicalbeneficiationbiology,chemistry,andotherengineeringdisciplinesinthefi
6、eldofmineralprocessingapplications.Biologicalbeneficiationofthe1950sintheUnitedStateswithbiologicalleachingofcopperincopperand1960s,Canadasuccessfullyleachingofuraniumores,scientistsaroundtheworldhavebeencommittedwithgreatenthusiasmtocarryoutlow-grade,finelydispersedrefractoryorestudy.Biologica
7、lbeneficiationofbauxiteistheuseofcertainmicroorganismsortheirmetabolitesandbauxiteinteraction,resultinginoxidation,reduction,dissolution,adsorption,reactionandthusremovaloftheunwantedcomponentsintheoreor时光荏苒，岁月如白驹过隙，不经意间，我们即将从多彩的大
