Green synthesis of silver nanoparticles-capped aminated lignin as a robust active catalyst for dye discoloration.

Int J Biol Macromol

Department of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea. Electronic address:

Published: August 2024

AI Article Synopsis

  • Biomass-derived products, like aminosilane-modified lignin (AML), are being explored to support sustainability and tackle global environmental issues.
  • The study focuses on a composite of AML and silver nanoparticles (AgNPs) created to act as a catalyst for removing dyes from wastewater.
  • This AML/AgNP composite shows strong bonding, excellent dye degradation capabilities, and can be reused, highlighting its potential as a bio-catalyst for environmental clean-up.

Article Abstract

Considering the severity of global environmental issues, biomass-derived products have received significant attention as alternatives to foster sustainability and eco-friendliness. The use of metal nanoparticle catalysts for dye decomposition is emerging as a promising approach for environmentally friendly dye removal. In this study, an aminosilane-modified lignin (AML)/silver nanoparticle (AgNP) composite was fabricated and used as a hydrogenation catalyst. The AgNPs were well dispersed on the AML surface and formed strong bonds within the AML/AgNP complex. AML also served as an effective reducing and capping agent for Ag(I) ions. The AML/AgNPs were found to be an efficient catalyst with excellent dye degradation ability and easy reusability. Biomass-derived lignin can be used as a reducing and capping agent for metals and this complex can be used as a high-value bio-catalyst for wastewater remediation.

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Source
http://dx.doi.org/10.1016/j.ijbiomac.2024.133211DOI Listing

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