Nanoparticles (NPs) from the mining of volcanic rocks have been a matter of concern around
the world because they can pose environmental and human health risks. The nanoparticles …

The impacts of agate exploitation on soils and the adjacent landscapes are poorly
understood. In addition, agate processing produces residues whose potential use in …

The use of solid waste for the development of new building materials has been an
alternative to reduce environmental impacts through the preservation of natural resources. In …

Agate geodes are treated and stained for the production of handmade artifacts and jewelry,
which greatly increases their aggregate value. Unit operations involve storage, sorting …

RESUMO A busca pela sustentabilidade caracteriza-se como um novo desafio para as
empresas devido ao esgotamento de recursos e à degradação de ambientes naturais …