微球表麵的官能基團在一定環境中能夠與待檢測物質發生反應,吸附待檢測物。有機物肼是一種有毒物質,但它在工、農業生產中大量應用。Yang等通過共聚苯乙烯與1-wuxiertongzhibeileyizhongbiaomiandaiyoutangjidecixingweiqiu,tanengyujingfanyingshengchengdianhuoxingwuzhi,tongguoduidianhuoxingwuzhidefuanfajiancejiunengdezhifeishuizhongdeweiliangjingdehanliang。
此ci外wai,磁ci性xing微wei球qiu還hai可ke以yi作zuo為wei絮xu凝ning劑ji來lai淨jing化hua廢fei水shui,用yong的de較jiao多duo的de是shi殼ke聚ju糖tang磁ci性xing微wei球qiu。殼ke聚ju糖tang的de胺an基ji極ji易yi形xing成cheng四si級ji胺an正zheng離li子zi,可ke以yi和he弱ruo堿jian性xing陰yin離li子zi交jiao換huan。殼ke聚ju糖tang類lei在zai酸suan性xing溶rong液ye中zhong易yi於yu溶rong解jie,不bu穩wen定ding,同tong時shi它ta在zai酸suan性xing環huan境jing下xia類lei似si陽yang離li子zi型xing聚ju電dian介jie質zhi,可ke作zuo為wei凝ning聚ju劑ji,因yin此ci將jiang殼ke聚ju糖tang製zhi成cheng磁ci性xing微wei球qiu可ke以yi提ti高gao它ta的de應ying用yong價jia值zhi。朱zhu開kai梅mei等deng用yong反fan相xiang懸xuan浮fu聚ju合he製zhi備bei了le殼ke聚ju糖tang的de磁ci性xing複fu合he微wei球qiu,該gai微wei球qiu單dan分fen散san性xing好hao,粒li徑jing分fen布bu較jiao窄zhai。作zuo者zhe進jin一yi步bu探tan索suo該gai微wei球qiu對dui造zao紙zhi廢fei水shui處chu理li的de效xiao果guo,實shi驗yan發fa現xian經jing微wei球qiu處chu理li後hou,廢fei水shui中zhong的de化hua學xue需xu氧yang量liang(COD)去除率達到85%,證明該殼聚糖磁性微球在廢水處理中是可行的。洪愛真等同樣製備了殼聚糖的磁性微球,將它用在酸性偶氮染料的脫色中,在pH為2-6的操作條件下,該微球對酸性染料有優良的脫色能力,並且可以再生回收,重複使用。Yauvz等采用溶劑揮發法製備了以PSt為殼層的磁性複合微球,微球粒徑範圍在0.5-0.595mm之(zhi)間(jian),並(bing)將(jiang)該(gai)微(wei)球(qiu)用(yong)在(zai)生(sheng)物(wu)流(liu)化(hua)床(chuang)反(fan)應(ying)器(qi)中(zhong)進(jin)行(xing)廢(fei)水(shui)中(zhong)有(you)機(ji)物(wu)降(jiang)解(jie),結(jie)果(guo)證(zheng)明(ming)磁(ci)性(xing)微(wei)球(qiu)在(zai)流(liu)化(hua)床(chuang)中(zhong)處(chu)於(yu)流(liu)化(hua)狀(zhuang)態(tai),微(wei)球(qiu)表(biao)麵(mian)生(sheng)物(wu)掛(gua)膜(mo)效(xiao)果(guo)比(bi)較(jiao)好(hao),能(neng)夠(gou)進(jin)行(xing)微(wei)生(sheng)物(wu)的(de)降(jiang)解(jie)。經(jing)過(guo)30-35h後,形成的生物膜仍能夠保持高活性。
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