An energy-saving method of organic dyeing of agates

Brazil is one of the leading suppliers of colored agates, mostly of its extraction and processing carried out by artisanal miners. Dyeing is the principal method used for color alteration, and the long heating times account for most of the energy consumption. In this context, this study aimed to eva...

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Bibliographic Details
Main Authors: Cristiane Ericksson, Irineu A.S. de Brum, Weslei M. Ambrós
Format: Article
Language:English
Published: Elsevier 2021-01-01
Series:Environmental Challenges
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2667010020300196