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

页码：1195 / 1210

页数：16

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