Removal of Cd(II) and Pb(II) from wastewater by using triethylenetetramine functionalized grafted cellulose acetate-manganese dioxide composite

被引：40
|
作者：
Yakout, Amr A. [1 ,2 ]
El-Sokkary, Ramadan H. [2 ]
Shreadah, Mohamed A. [3 ]
Hamid, Omnia G. Abdel [3 ]
机构：
[1] Univ Jeddah, Fac Sci, Dept Chem, Jeddah, Saudi Arabia
[2] Univ Alexandria, Fac Sci, Dept Chem, Alexandria, Egypt
[3] Natl Inst Oceanog & Fisheries, Alexandria, Egypt
来源：
CARBOHYDRATE POLYMERS | 2016年 / 148卷
关键词：
Mangrove trees; Triethylenetetramine; Grafted copolymer; Manganese dioxide; Adsorption; SINGLE METAL SOLUTIONS; AQUEOUS-SOLUTIONS; HEAVY-METALS; MANGROVE SEDIMENTS; ARABIAN GULF; ADSORPTION; ADSORBENT; IONS; CU(II); EXTRACTION;
D O I：
10.1016/j.carbpol.2016.04.038
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this manuscript, we have studied the removal of Cd(II) and Pb(II) ions from aqueous solution by using triethylenetetramine functionalized cellulose acetate grafted with the copolymer-manganese dioxide composite. The novel sorbent cellulose was extracted from the mangrove trees (Avicennia marina) and it was then acetylated and grafted with acrylamide. The sorbent composite was designed to interact simultaneously with higher metal loading by complexation-adsorption process. FT-IR, SEM, EDAX and TGA techniques were employed to characterize the cellulose modified composite. Sorption equilibria were established after 30 min and their data were described by Langmuir and Freundlich models. The functionalized hybrid cellulose composite showed maximum adsorption capacity 82.06 and 196.84 mg g(-1) for Cd(II) and Pb(II), respectively. The studied metal ions were successfully recovered from real wastewater samples of different matrices. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：406 / 414
页数：9
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