Role of bioinorganic metal nanoparticles as catalyst for the treatment of dyes polluted wastewater

Naseem, Khalida; Aziz, Asad; Anwar, Aneela; Ameen, Ayesha; Faizan Nazar, Muhammad; Haider, Sajjad; Saeed Akhtar, Muhammad

doi:10.1016/j.inoche.2023.111370

Inorganic Chemistry Communications

2023

DOI: 10.1016/j.inoche.2023.111370

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Role of bioinorganic metal nanoparticles as catalyst for the treatment of dyes polluted wastewater

Khalida Naseem,

Asad Aziz,

Aneela Anwar

et al.

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2024

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Cited by 3 publications

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Polyurethane‐based nanocomposite for catalytic reduction of toxic dyes

Naseem,

Abrar,

Haider

et al. 2024

Polymers for Advanced Techs

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In this work, we prepared AuNPs loaded polyurethane‐sodium alginate (Au‐PU‐ALg) composite polymers by casting and in‐situ reduction method. Successful fabrication of AuNPs was confirmed by UV–visible, Fourior transform infrared (FTIR) spectroscopy, X‐ray diffraction (XRD), field emission scanning elcetron microscopy (FESEM), and energy dispersive X‐ray (EDX) analysis along with the change in color of the suspension from yellow to dark purple. Thermo‐gravimetric analysis (TGA) also confirmed the loading of 7.44 % AuNPs of total nanocomposite contents. The catalytic activity of Au‐PU‐ALg nanocomposites was checked by reducing Rhodamine B (RhB) as a model reaction. It was seen that reduction of RhB was successfully done in the presence of NaBH4 and Au‐PU‐ALg nanocomposite in just 8 min with value of kapp found as 0.648 min−1. While the value of kapp for RhB reduction was found as 0.0008, 0.00221, and 0.0008 min−1 in the presence of catalyst, NaBH4 and polymer gel particles, respectively. Thus results show that the value of kapp for the reduction of RhB in the presence of NaBH4 and catalyst was found high as compared to the controlled reactions. Complex mixture of dyes such as RhB, crystal violet (CV), Congo red (CR), and dyes polluted industrial wastewater was become colorless in 10 and 3 min, respectively on mixing with catalyst and reducing agent. It was also observed that reduction of RhB followed pseudo first order kinetic model and Langmuir Hinshelwood mechanism.

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Polyurethane‐based nanocomposite for catalytic reduction of toxic dyes

Naseem,

Abrar,

Haider

et al. 2024

Polymers for Advanced Techs

Self Cite

View full text Add to dashboard Cite

show abstract

Extension of guava shelf life through the application of edible coating formulated with mango and lemon leaves extracts

Majeed,

Iftikhar,

Zohaib

2024

Industrial Crops and Products

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Inorganic nanoparticles fabricated alginate based nanocomposites for the treatment of brilliant blue dye

Naseem,

Rehman,

Haider

et al. 2024

Journal of Molecular Structure

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Role of bioinorganic metal nanoparticles as catalyst for the treatment of dyes polluted wastewater

Cited by 3 publications

References 56 publications

Polyurethane‐based nanocomposite for catalytic reduction of toxic dyes

Polyurethane‐based nanocomposite for catalytic reduction of toxic dyes

Extension of guava shelf life through the application of edible coating formulated with mango and lemon leaves extracts

Inorganic nanoparticles fabricated alginate based nanocomposites for the treatment of brilliant blue dye

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