Scholarlink

<p>This study altered the chitosan (CS) biopolymer with high surface area Malaysian low-rank coal-activated carbon (CAC) to develop a new adsorbent of CS/CAC to eliminate MV dye. The main features of CS/CAC were examined by FTIR, BET, SEM, EDX, and pH<sub>pzc</sub> analysis. The RSM-BBD was employed to examine the influence of the adsorptive removal factors for MV dye by CS/CAC. The variables consist of (a) CS/CAC dosage (0.02–0.1 g/100 mL), (b) pH (4–10), and (c) contact time (20–180 min). The ANOVA results show that significant interactions of the adsorption key parameters were observed between AB, AC, and BC. Thus, the process of MV adsorption onto the CS/CAC surface was well presented by the pseudo-second-order kinetics framework and the Freundlich isotherm design. The <i>q</i><sub>max</sub> of CS/CAC is 88.9 mg/g at 25 °C. Thus, several ways can explain the MV dye adsorption onto the CS/CAC structure. These include n-π interaction, hydrogen bonding, electrostatic attraction, π-π interaction, and pore filling. Hence, this research indicates that CS/CAC can serve as a promising composite biosorbent for eliminating toxic water contaminants such as MV dye.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Loading coal-base mesoporous activated carbon into polymeric matrix of chitosan biopolymer for toxic cationic dye removal: optimization and mechanistic approach

  • 期刊论文

  • 发表日期：

    2025年1月25日

查看全文
  • Salis A. Musa,
  • Raja Razuan Raja Deris,
  • Ruihong Wu,
  • Zeid A. ALOthman,
  • Ali H. Jawad

摘要

This study altered the chitosan (CS) biopolymer with high surface area Malaysian low-rank coal-activated carbon (CAC) to develop a new adsorbent of CS/CAC to eliminate MV dye. The main features of CS/CAC were examined by FTIR, BET, SEM, EDX, and pHpzc analysis. The RSM-BBD was employed to examine the influence of the adsorptive removal factors for MV dye by CS/CAC. The variables consist of (a) CS/CAC dosage (0.02–0.1 g/100 mL), (b) pH (4–10), and (c) contact time (20–180 min). The ANOVA results show that significant interactions of the adsorption key parameters were observed between AB, AC, and BC. Thus, the process of MV adsorption onto the CS/CAC surface was well presented by the pseudo-second-order kinetics framework and the Freundlich isotherm design. The qmax of CS/CAC is 88.9 mg/g at 25 °C. Thus, several ways can explain the MV dye adsorption onto the CS/CAC structure. These include n-π interaction, hydrogen bonding, electrostatic attraction, π-π interaction, and pore filling. Hence, this research indicates that CS/CAC can serve as a promising composite biosorbent for eliminating toxic water contaminants such as MV dye.