Hydrogel-rice husk biochar composite as an adsorbent for the removal of phenol and PNP from aqueous solutions

被引：10
|
作者：
Sadeghi Afjeh, Mahsa [1 ]
Bageri Marandi, Gholam [1 ]
Zohuriaan-Mehr, Mohammad Jalal [2 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Karaj Branch, Karaj, Iran
[2] Iran Polymer & Petrochem Inst IPPI, Biobased Monomers & Polymers Div BIOBASED Div, Tehran, Iran
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2021年 / 56卷 / 07期
关键词：
Adsorption; biochar; composite; 4-nitrophenol; hydrogel; phenol; rice husk; water contamination; WASTE-WATER; METHYLENE-BLUE; ACTIVATED CARBONS; P-NITROPHENOL; ADSORPTION; KINETICS; NANOPARTICLES; DEGRADATION; ENVIRONMENT; COMPONENTS;
D O I：
10.1080/01496395.2020.1775254
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Poly(acrylamide)-rice husk biochar [p(AAm)-RHB] hydrogel composites (HBC-RH) were used to eliminate phenols. The characterization of prepared composite was investigated by using SEM, TEM, TGA DSC, and FTIR. Based on our findings, the highest removal of phenol andp-nitrophenol (PNP) was found as 82.2% and 84.6% in 50 mg/L solution at pH = 7, respectively. The results revealed that the kinetic data were best fitted by pseudo-first-order for phenol and pseudo-second-order for PNP. To be concluded that the Temkin model perfectly described the removal of phenol and HBC-RH can be widely applied for various containments.
引用
收藏
页码：1195 / 1210
页数：16
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