Surface Modification of Fly Ash by Poly(1,5-Diaminonaphthalene) for Removal of Hexavalent Chromium from Water

被引：2
|
作者：
Nguyen, Dzung T. [1 ]
Vu, Minh X. [1 ]
Nguyen, Huy L. [2 ]
机构：
[1] Vietnam Acad Sci & Technol, Inst Trop Technol, 18 Hoang Quoc Viet, Hanoi, Vietnam
[2] Hanoi Univ Sci & Technol, Sch Chem Engn, 1 Dai Co Viet, Hanoi, Vietnam
来源：
JOURNAL OF SURFACE SCIENCE AND TECHNOLOGY | 2018年 / 34卷 / 3-4期
关键词：
Chromium Removal; Fly Ash Composite; Poly(1,5-Diaminonaphthalene);
D O I：
10.18311/jsst/2018/20171
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The Fly Ash (FA) was treated by NaOH solution in order to transform into the zeolite-like structure. Poly(1,5-diaminonaphthalene) [p(1,5-DAN)] was synthesized via in-situ chemical oxidation on the surface of NaOH Treated Fly Ash (TFA) to form p(1,5-DAN)/TFA composite. The p(1,5-DAN)/TFA composite was used as a novel sorbent for removal of Cr(VI) ions from aqueous solutions. The maximum adsorption capacity (at pH 2, 298 K) calculated according to Langmuir isotherm model was 4.4 mg/g. This result suggested that p(1,5-DAN)/TFA was a promising adsorbent for Cr(VI) ions in the environmental treatment.
引用
收藏
页码：129 / 135
页数：7
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