Advances in natural polysaccharides for gold recovery from e-waste: Recent developments in preparation with structural features

Ahmad, Mudasir; Naik, Mehraj ud-din; Tariq, Muhammad Rizwan; Khan, Idrees; Zhang, Lei; Zhang, Baoliang

doi:10.1016/j.ijbiomac.2024.129688

International Journal of Biological Macromolecules

2024

DOI: 10.1016/j.ijbiomac.2024.129688

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Advances in natural polysaccharides for gold recovery from e-waste: Recent developments in preparation with structural features

Mudasir Ahmad,

Mehraj ud-din Naik,

Muhammad Rizwan Tariq

et al.

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2024

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Cited by 6 publications

References 172 publications

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Gold recovery through synergetic adsorption and reduction using acid–base additive‐reinforced tubular carbon nanofibers

Ahmad,

Al‐Anazi,

Tariq

et al. 2024

AIChE Journal

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In response to the increasing demand for gold in electronic manufacturing, this study addresses the urgent need for gold recycling from electronic waste (E‐waste) to ensure the environment and energy safety. This study focuses on the preparation of the tubular carbon nanofibers (TCNFs) integrating NH4+ and SO3− groups into TCNF‐SO3−‐NH4+, which exhibited remarkable gold adsorption capacity (2003.25 ± 0.23 mg/g) and selectivity (Kd; 41.7 × 103 mL/g) at lower pH. TCNF‐SO3−‐NH4+ achieved a 99.77% gold adsorption efficiency under lower pH conditions (pH = 1) from E‐waste. The adsorption capacity reached 3.54 ± 0.11 mg/g at an initial concentration of 0.85 mg/L. The results highlight the efficacy of TCNF‐SO3−‐NH4+ for extracting gold and other precious metal ions from E‐waste, presenting a promising solution for clean energy and environmental protection.

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Gold recovery through synergetic adsorption and reduction using acid–base additive‐reinforced tubular carbon nanofibers

Ahmad,

Al‐Anazi,

Tariq

et al. 2024

AIChE Journal

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A Review on Recent Development of Phenothiazine-Based Chromogenic and Fluorogenic Sensors for the Detection of Cations, Anions, and Neutral Analytes

Ilakiyalakshmi,

Dhanasekaran,

Napoleon

2024

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A sulfhydryl-functionalized vinylene-linked covalent organic framework for promoting gold recovery by light-assistance

Jiang,

Wang,

Cheng

et al. 2024

Chemical Engineering Journal

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Advances in natural polysaccharides for gold recovery from e-waste: Recent developments in preparation with structural features

Cited by 6 publications

References 172 publications

Gold recovery through synergetic adsorption and reduction using acid–base additive‐reinforced tubular carbon nanofibers

Gold recovery through synergetic adsorption and reduction using acid–base additive‐reinforced tubular carbon nanofibers

A Review on Recent Development of Phenothiazine-Based Chromogenic and Fluorogenic Sensors for the Detection of Cations, Anions, and Neutral Analytes

A sulfhydryl-functionalized vinylene-linked covalent organic framework for promoting gold recovery by light-assistance

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