当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Toxic heavy metal cadmium removal using chitosan and polypropylene based fiber composite.

Toxic heavy metal cadmium removal using chitosan and polypropylene based fiber composite.

Abstract：

:The aim of the present work was to evaluate the performance of polypropylene (PP)/sisal fiber (SF)/banana fiber (BF) and chitosan-based hybrid (chitosan(CS)/SF)/BF) composite materials for the adsorptive removal of cadmium (Cd) ions from water waste. Polypropylene is harnessed for its importance in forming strong composite materials for various applications. Chitosan biopolymer encloses a great deal of amino and hydroxyl groups, which provide effective removal of Cd ions from wastewater. The batch adsorption studies proved that the removal of Cd ions was pH-dependent and attained optimum at pH 5.5 for both the composites. Langmuir and Freundlich models were applied for the obtained experimental values. Based on the R2 values, it was evidenced that the adsorption process was best fitted with the Freundlich isotherm than Langmuir. The sorption capacity of CS/SF/BF hybrid composite (Cmax = 419 mg/g) is higher than PP/SF/BF composite (Cmax = 304 mg/g), and allows multilayer adsorption. Kinetics studies revealed that the pseudo-second-order model was followed during the removal of Cd ion from wastewater. The overall evaluation proved that though both the adsorbents are suitable for the removal of Cd ions, the efficiency of CS-based ternary composite material is better than PP-based composite.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Alaswad SO,Lakshmi KB,Sudha PN,Gomathi T,Arunachalam P

doi

10.1016/j.ijbiomac.2020.07.252

subject

Has Abstract

pub_date

2020-12-01 00:00:00

pages

1809-1824

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(20)34015-0

journal_volume

164

pub_type

杂志文章

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