Effects of ultrasound on development of Cs/NAC nano composite beads through extrusion dripping for acetaminophen removal from aqueous solution

被引：17
作者：
Amouzgar, Parisa [1 ]
Chan, Eng-Seng [1 ]
Salamatinia, Babak [1 ]
机构：
[1] Monash Univ Jalan Lagoon Selatan, Sch Engn, Discipline Chem Engn, Bandar Sunway 47500, Selangor, Malaysia
来源：
JOURNAL OF CLEANER PRODUCTION | 2017年 / 165卷
关键词：
Ultrasound; Extrusion-dripping; Bead preparation; Adsorption; Response surface methodology; Acetaminophen; WASTE-WATER CONTAMINANTS; CHITOSAN HYDROGEL BEADS; REACTIVE BLUE 4; ACTIVATED CARBON; ALGINATE BEADS; POWER ULTRASOUND; GEL BEADS; FREEZE; ADSORPTION; PHARMACEUTICALS;
D O I：
10.1016/j.jclepro.2017.07.148
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, the effect of ultrasound (US) on development of freeze-dried and oven-dried, extrusion dripped chitosan-Nano activated carbon (Cs-NAC), Nano-composite beads for adsorption of acetaminophen (ACT) from aqueous solution has been evaluated. Effects of sonication time (2-10 min), amplitude (20-60%) and chitosan concentration (1.5-2.5% (w/v)) were studied for ACT removal as a response. The results were then fitted in to a historical design to be analyzed by employing response surface methodology (RSM). The effect of ultrasound on the characteristics of the beads was examined using FESEM, FTIR and BET tests. The maximum removal efficiency was observed when the beads were prepared under 6 min of ultrasonic irradiation at 20 kHz, with an amplitude of 60% for beads made of chitosan concentration of 1.75% (w/v). Based on the results all the studied parameters were found to have significant role in the performance of the Cs-NAC beads in ACT removal. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：537 / 551
页数：15
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