DRYING KINETICS OF BASIC MAGNESIUM CARBONATE NANOFLOWERS

摘要：

　　Basic magnesium carbonate nanoflowers were synthesized by homogenous precipitation method,using magnesium chloride hexahydrate and urea as raw materials.Drying experiments were made and drying curves as well as drying rate curves were obtained at different hot air temperatures and different material layer thicknesses,respectively.Experimental results indicate that hot air temperatures and material layer thicknesses have the similar influence rules on drying curves and drying rate curves of basic magnesium carbonate nanoflowers.Experimental data of drying kinetics for basic magnesium carbonate nanoflowers were fitted with thin layer-drying models,and drying kinetics equations as well as parameters were obtained,including drying rate constant,drying index,activation energy of interface evaporation,diffusion activation energy,apparent activation energy and frequency factor.

关键词： basic magnesium carbonate drying kinetics drying rate nanoflower thinlayer drying

作者: Baohe Wang Qun Li Changbin He Liangzhi Xia Caiyuan Yu Wei Wang

作者单位: School of Chemical Engineering,Dalian University of Technology,Dalian,P.R.China,116024 School of Chemical Machinery,Dalian University of Technology,Dalian,P.R.China,116024 College of Life Science,Dalian Nationalities University,Dalian,P.R.China,116600

会议类型: 国际会议

会议名称: The 18th International Drying Symposium Conference(第十八届国际干燥学术大会(IDS2012))

会议地点: 厦门

会议语种:英文

页码: 1-8

在线出版日期: 2012-01-11（万方平台首次上网日期，不代表论文的发表时间）