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- Title
Polymer supported metallic nanoparticles as a solid catalyst for the removal of organic pollutants.
- Authors
Khan, Sher Bahadar; Khan, Mohammad Sherjeel Javed; Kamal, Tahseen; Asiri, Abdullah M.; Bakhsh, Esraa M.
- Abstract
Nowadays, considerable attention has been gained for metal-based nanocatalysts due to their high catalytic activity. Herein, copper-cotton cellulose (Cu-CC) and metal nanoparticles supported on Cu-CC (MNPs@Cu-CC) were prepared. Zero-valent nanoparticles (NPs) of silver (Ag), and iron (Fe) were grown on Cu-CC and utilized as catalyst in few important organic reduction reactions. The prepared Cu-CC, Fe@Cu-CC and Ag@Cu-CC catalysts were utilized in catalytic reduction of nitrophenols and dyes for their evaluation. Among all the tested catalysts, Cu-CC efficiently reduced 4-nitrophenol (4-NP) and methyl orange dye (MO). The reduction rate constants of 4-NP and MO were 9.94 × 10−3 and 1.12 × 10−2 s–1, respectively. Further the catalytic activity of the more efficient Cu-CC was optimized by varying its amount, nitophenols and dyes, and NaBH4 concentrations. The stability, re-usability and loss in catalytic activity of the NPs were analyzed by the recyclability, in which the Cu-CC was utilized several times for the reduction of 4-NP and MO which suggest that the designed catalyst can be easily prepared, recovered simply by discarding the dye after completion of reaction, recyclable and have good catalytic activity.
- Subjects
POLLUTANTS; POLYMERS; METAL nanoparticles; CATALYTIC activity; NANOPARTICLES; MOLYBDENUM compounds; CUPROUS oxide
- Publication
Cellulose, 2020, Vol 27, Issue 10, p5907
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-020-03193-8