CEST Proceedings are published under the ISSN 2944-9820.
Recovery of sulphuric acid and valuable metals (Zn, Cu and REE) from acidic mine waters using nanofiltration
(Corresponding) López J., Reig M., Vecino X., Valderrama C., Gibert O., Cortina J.
Topic:
Water and wastewater reuse
Acidic mine waters (AMWs) contains moderate concentrations of sulphuric acid, relatively high concentrations of metals (Al, Fe, Cu and Zn) and minor amounts or rare earth elements (REE). The established management routes for AMW treatment include a neutralization-precipitation step, which implies a...Read more
Mine water management in abandoned mine sites: from waste to resource
(Corresponding) LOREDO J.
Topic:
Water and wastewater reuse
Mine water usually supposes one of the most important environmental problems of the extractive industry, where water quality is dependent of a great number of factors relatives to the ore deposit characteristics and to the exploitation method typology. But if water quality by nature or after...Read more
Keywords:
Mine water, water quality, water resource, circular economy
AliCy as Extractant to Remove Iron from Copper-Free Extreme AMD for Further Extraction of Zinc
Nobahar A., Melka A., Neves L., Carlier J., (Corresponding) Costa M.
Topic:
Wastewater treatment
A previous work showed that copper can be specifically extracted from acid mine drainage (AMD) classified as high-acid and extreme-metals (pH 1.19, ~63 g/L Fe, ~6.5 g/L Al, ~5.3 g/L Cu, ~1.9 g/L Zn and ~0.1 g/L Mn), using 30% (v/v) Acorga M5640 in Shell GTL (a kerosene like solvent) as extractant...Read more
Removal of heavy metals from real mine tailings coupling electrokinetic soil flushing and Bioleaching
Acosta-Hernández I., Muñoz Morales M., Rodríguez Romero L., Villaseñor Camacho J., (Corresponding) Fernandez-Morales F.
Topic:
Soil and groundwater contamination and remediation
In the present work, polluted mine tailings from the abandoned Pb/Zn mine of San Quintín (Ciudad Real, Spain) have been treated by an innovative in-situ bioleaching process. Bioleaching uses the capacity of certain microorganisms of oxidizing iron and/or reduce sulphur which enhance the process of...Read more
Keywords:
electrokinetics, heavy metal removal, bioleaching, mine tailings
Modelling metal and energy recovery from Acid Mine Drainage by means of Bioelectrochemical Technology
Delgado Y., Lopez E., Martin M., Llanos J., (Corresponding) Fernandez-Morales F.
Topic:
Environmental data analysis and modelling
This work presents a Monod-based mathematical model able to predict the performance of a bioelectrochemical system (BES) treating Acid Mine Drainage (AMD). The BES was operated as a microbial fuel cell (MFC), in order to recover not only the metals but also all the chemical energy contained. The...Read more
Evaluation of industrial wastes as active materials in permeable reactive barrier for acid mine drainage remediation
Sanchez D., Lopez-Bellido J., Acosta I., Rodriguez L., Villaseñor J., (Corresponding) Fernandez-Morales J.
Topic:
Hazardous waste management
The aim of this work was to evaluate the use of agricultural and industrial waste materials as reactive agents into Permeable Reactive Barriers (PRB) for Acid Mine Drainage (AMD) remediation. Laboratory-scale columns containing Volcanic Scoria (VS) as porous fill material and approximately 18% w/w...Read more
