Production of metals stands for 40% of all industrial greenhouse gas emissions, 10% of the
global energy consumption, 3.2 billion tonnes of minerals mined, and several billion tonnes …

This review provides an update to the last mini-review with the same title pertaining to recent
developments in bioleaching and biooxidation published in 2013 (Brierley and Brierley). In …

With the increase in environmental awareness, the disposal of any form of hazardous waste
has become a great concern for the industrial sector. Spent catalysts contribute to a …

Biomining is an increasingly applied biotechnological procedure for processing of ores in
the mining industry (biohydrometallurgy). Nowadays the production of copper from low …

Catalysts are widely used in petroleum refining and chemical industries. Among secondary
resources, spent catalysts are undoubtedly very important because of not only their large …

Ashes resulting from the combustion of fuels can contain mobile compounds that may give
rise to significant pollution on disposal or during use. Source reduction has limited potential …

Future sustainable development requires measures to reduce the dependence on
nonrenewable raw materials and the demand for primary resources. New resources for …

Solid metalliferous wastes (sludges, dusts, residues, slags, red mud and tailing wastes)
originating from ferrous and non-ferrous metallurgical industries are a serious environmental …

The use of the fungus Aspergillus niger for the bioleaching of heavy metals from spent
catalyst was investigated, with fluid catalytic cracking (FCC) catalyst as a model. Bioleaching …

El suelo es un cuerpo natural, no consolidado, compuesto por sólidos (material mineral y
orgánico), líquidos y gases, que se caracteriza por tener horizontes o capas diferenciales …