Oxidized cellulose: An application in the form of sorption filter materials

被引：0
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作者：
Foglarova, Marcela [1 ]
Prokop, Jiri [1 ]
Milichovsky, Miloslav [2 ]
机构：
[1] Hobra-Skolnik Spolecnost S Racenim Omezeným, Smetanova Ulice, CZ 550 01 Brownov, Czech Republic
[2] Department of Wood, Pulp, and Paper, Faculty of Chemical Technology, University of Pardubice, Studentska 35, CZ 530 10 Pardubice, Czech Republic
来源：
Journal of Applied Polymer Science | 2009年 / 112卷 / 02期
关键词：
Oxidized cellulose (oxycellulose) was very effectively used in the form of filter sheets to remove some metal ions from water and from aqueous solutions. Furthermore; oxycellulose was applied in an ion-exchange column and in a batch process. The mechanisms of the sorption process inside oxycellulose as well as the kinetics of sorption were studied. A comparison of oxycellulose and other adsorption components such as zeolites and ion-exchange resins was made. The affinity of oxycellulose to metal ions was determined to be in the following order: Cd2+; Zn2+2+ » Ca 2+2+ » Na+. The use of oxycellulose was very effective; especially in the form of sorption filters; because this allowed us to use a simple filtration process. Moreover; the specific loading amount of the filter cake was higher for filtration than for the column process under comparable conditions. Oxycellulose in a glass column behaved similarly to an ion-exchange resin. It showed approximately constant efficiency until the sorption capacity of the adsorbent was exhausted; and then it suddenly dropped. © 2009 Wiley Periodicals; Inc;
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页码：669 / 678
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