NaY zeolite from wheat (Triticum aestivum L.) straw ash used for the adsorption of tetracycline

被引：61

作者：

Ali, M. M. Mohammed ^{[1
]}

Ahmed, M. J. ^{[1
]}

Hameed, B. H. ^{[2
]}

机构：

[1] Univ Baghdad, Dept Chem Engn, Engn Coll, POB 47024, Baghdad, Iraq

[2] Univ Sains Malaysia, Sch Chem Engn, Engn Campus, Nibong Tebal 14300, Penang, Malaysia

来源：

JOURNAL OF CLEANER PRODUCTION | 2018年 / 172卷

关键词：

Wheat straws; Zeolites; Antibiotics; Tetracycline; Adsorption; RICE HUSK ASH; COAL FLY-ASH; AQUEOUS-SOLUTION; WASTE-WATER; REMOVAL; PERFORMANCE; ANTIBIOTICS; PYROLYSIS; ADSORBENT; ISOTHERM;

D O I：

10.1016/j.jclepro.2017.10.180

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Converting abundant and renewable wastes to high-value products is important based on economic and environmental viewpoints. In this work, wheat straw ash was used as a precursor for the synthesis of NaY zeolite. The characteristics and effectiveness of NaY as adsorbent for tetracycline (TC) were evaluated. The adsorption behavior of TC-NaY system under different experimental conditions was also illustrated. The Langmuir equation was well applied for the analysis of isotherm data, with maximum equilibrium uptakes of 201.77, 218.51, and 230.69 mg/g at 30 degrees C, 40 degrees C, and 50 degrees C, respectively. Data on TC uptakes versus time followed a pseudo-second order kinetic model. NaY zeolite with a surface area of 657.44 m(2)/g and pore volume of 0.341 cm(3)/g could be an efficient adsorbent for the treatment of antibiotic pollutants in wastewater. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：602 / 608

页数：7

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