N° 444-445 octobre-novembre 2019

From environmental remediation to artworks: a rescue of colors from dye-wastewater

Pagination : 22-28
Sous-thème : Les pigments innovants

Color of the pigments before (a) and after (b) 400 h under light exposure.

Contaminants such as dyes unproperly discharged in the environment are a big problem to overcome. Some technologies have been developed and applied for dye-wastewater treatment before its disposal in the waterbodies. Among them, adsorption is highlighted and a plenty of adsorbents are proposed in the literature.

This paper presents some clay minerals-based adsorbents applied for the rescue of colors from dye-wastewater, and the development of new pigments for artworks as an alternative to reuse the dyed adsorbents.