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Sustainable Chemistry, Volume 5, Issue 3

2024 September - 4 articles

Cover Story: Chromium-tanned leather is the most common type of leather, characterised by its outstanding versatility, ease of tanning and unique stability characteristics. This tanning method, from a technical point of view, enhances the qualities of the end products in many different ways due to the complexation–fixation mechanism of trivalent chromium. But when Cr(V) is not fixed, it becomes sensitive under oxidative conditions and turns into hexavalent chromium, a very harmful element. This is where the present work starts, exploring this reaction in batch with a reproduction of the most problematic leather conditions. Some commercially used antioxidants in tanneries and innovative ones are examined. The result indicates that new possibilities exist to control this problem and open the way to new categories of antioxidants in tanneries. View this paper
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Articles (4)

  • Article
  • Open Access
3 Citations
3,087 Views
14 Pages

Use of Antioxidants to Reduce Chromium (VI) Formation during the Leather Tanning Process

  • Omar Salmi,
  • Alessandro Molinelli,
  • Simone Gelosa,
  • Alessandro Sacchetti,
  • Filippo Rossi and
  • Maurizio Masi

5 September 2024

For a long time, the leather industry has considered the chromium tanning process to be the easiest and fastest way to treat raw hides and transform them into valuable products. In the last few decades, increasing attention has been paid to the poten...

  • Article
  • Open Access
4 Citations
2,683 Views
15 Pages

Antimicrobial Activity of Gentamicin-Loaded Biocomposites Synthesized through Inverse Vulcanization from Soybean and Sunflower Oils

  • Ana S. Farioli,
  • María V. Martinez,
  • Cesar A. Barbero,
  • Diego F. Acevedo and
  • Edith I. Yslas

1 August 2024

Cross-linked polymers synthesized through inverse vulcanization of unsaturated vegetable oils (biopolymers) were used as matrices for incorporating gentamicin (GEN) to form a biocomposite that can amplify GEN antimicrobial activity against Pseudomona...

  • Article
  • Open Access
11 Citations
3,469 Views
14 Pages

25 July 2024

The plant-mediated synthesis of therapeutic metal nanoparticles is an intensively exploited field in the last decade. In particular, Salvia officinalis, considered one of these plants, was used in this work to synthesize silver particles. Here, we ha...

  • Article
  • Open Access
10 Citations
3,986 Views
19 Pages

Valorization of Agave angustifolia Bagasse Biomass from the Bacanora Industry in Sonora, Mexico as a Biochar Material: Preparation, Characterization, and Potential Application in Ibuprofen Removal

  • Hylse Aurora Ruiz-Velducea,
  • María de Jesús Moreno-Vásquez,
  • Héctor Guzmán,
  • Javier Esquer,
  • Francisco Rodríguez-Félix,
  • Abril Zoraida Graciano-Verdugo,
  • Irela Santos-Sauceda,
  • Idania Emedith Quintero-Reyes,
  • Carlos Gregorio Barreras-Urbina and
  • José Agustín Tapia-Hernández
  • + 3 authors

The aim of this research was to separate the over-the-counter nonsteroidal anti-inflammatory drug (NSAID), ibuprofen, from an aqueous solution using the adsorption method, as this NSAID is one of the most globally consumed. An adsorbent was crafted f...

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Sustain. Chem. - ISSN 2673-4079