%0 Journal Article
%T EffectofUltrasoundFrequencyonthePrecipitationProcessofSupersaturatedSodiumAluminateSolution
%A 刘吉坡
%A 陈全清
%A 尹周澜
%A 张平民
%A 陈启元
%J 过程工程学报
%D 2004
%X Theeffectsoffrequencyofultrasoundontheprecipitationprocessofpreparedsupersaturatedsodiumaluminatesolutionsofpracticalconcentrationwerestudiedexperimentallyunderseeded,isothermal,batchcrystallizationconditionsatvarioustemperaturesandinitialak(moleratioofNa2O/Al2O3).Thedecompositionandtheparticlenumberpercentageforsizebelow2mmattimeof15hwerecompared,particlesizedistributionandSEMphotosoftheproductaluminumhydroxidewerealsoanalyzed.Theresultsindicatethattheultrasonictreatmentat16kHzcanenhancethedecompositionrateofsodiumaluminatesolutions,andalsohaseffectsonparticlemorphologyandparticlesizedistributionofaluminumhydroxideprecipitated.
%K ultrasound
%K sodiumaluminatesolution
%K particlesizedistribution
%K nucleation
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=744