%0 Journal Article
%T 泡沫相塔壁对泡沫分离牛血清蛋白分离性能的影响
%A 卢珂
%A 吴兆亮
%A 侯凯湖
%A 赵艳丽
%A 刘亚君
%A 杜晓丹
%J 化工学报
%P 1765-1772
%D 2012
%R 10.3969/j.issn.0438-1157.2012.06.016
%X Inordertoenhancefoamdrainage,thecolumnwithaninnersleeveinthefoamphasewasdesignedforstudyingeffectofthecolumnwalloffoamphaseonfoamseparationperformancesusingbovineserumalbumin(BSA)astheresearchsystem.Theeffectsofthewallontheliquidholdupoutofthetopcolumn,bubblesize,enrichmentandrecoverypercentagewereinvestigated.Theresultsindicatedthattheexperimentalcolumnwiththeinnersleevedecreasedtheliquidholdup,acceleratedthecoarseningandcoalescenceofbubblesandincreasedenrichmentofBSAcomparedthecontrastedcolumnwithouttheinnersleeve.Undertheconditionsoftheinitialconcentration0.2g?L-1ofBSA,airflowrate400ml?min-1,theexperimentalcolumnachieveduptoa2.06foldincreaseinenrichmentcomparedtothecontrastedcolumn.TheenrichmentofBSAincreasedwiththeincreaseofinnersleevelength.Channeltheoreticalanalysisshowedthattheratioofexteriorchannelstointeriorchannelsincreasedwiththeincreaseofbubblediameter.Sotheexperimentcolumnobtainedthebetterperformancesatthelowerconcentrationandthelowerairflowrate.Thebetterperformancesobtainedbyexperimentalcolumnshowedthatthedrainagerateofplateaubordersonwallwasgreaterthanthatofplateaubordersbetweenbubbles.Sotheinnersleeveprovidedmoreplateaubordersonwallandimprovedfoamdrainage.
%K 泡沫分离
%K 塔壁
%K 持液量
%K 排液
%K 富集比
%U http://www.hgxb.com.cn/CN/abstract/abstract12653.shtml