Biochar-Embedded Soft Hydrogel and Their Use in Ag Nanoparticle Preparation and Reduction of 4-Nitro Phenol

The authors report the synthesis of a composite hydrogel based on acrylamide-chicken biochar-(AAm)-CB-and its use as a template in the preparation of silver metal nanoparticles. Moreover, we demonstrate the efficient utilization of p(AAm)-CB composite hydrogel as a reactor vessel in the reduction of...

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Bibliographic Details
Published in:International journal of polymeric materials 2013-05, Vol.62 (11), p.590-595
Main Authors: Sahiner, Nurettin, Karakoyun, Necdet, Alpaslan, Duygu, Aktas, Nahit
Format: Article
Language:English
Subjects:
4-nitrophenol reduction
Composite materials
Flexible nanonetwork
hydrogel reactor
hydrogel-biochar composite
Hydrogels
in situ metal nanocatalyst preparation
Kinetics
Nanoparticles
Silver
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Summary:The authors report the synthesis of a composite hydrogel based on acrylamide-chicken biochar-(AAm)-CB-and its use as a template in the preparation of silver metal nanoparticles. Moreover, we demonstrate the efficient utilization of p(AAm)-CB composite hydrogel as a reactor vessel in the reduction of an organic contaminant 4-nitrophenol (4-NP) to 4-aminophenol (4-AP). Experimental parameters affecting 4-NP reduction rate were investigated. The kinetics of the reduction reaction under different reaction conditions were also evaluated to determine the activation parameters. Activation energy for the reduction of 4-NP was 15.25 kJ mol −1 and p(AAm)-CB-Ag composites possessed 99.45% activity after five repetitive uses.
ISSN:0091-4037
1563-535X
DOI:10.1080/00914037.2013.769163