CEST Proceedings are published under the ISSN 2944-9820.
Characterisation of Rare Earth Elements in Waste Printed Circuit Boards (WPCBs) and their bioleaching potential
(Corresponding) Gonzalez Baez A., Purchase D., Garelick H., Pantoja Munoz L.
Topic:
Solid waste management
Printed circuit boards (PCBs) are part of everyday items such as cellular phones and computers, and they constitute a significant proportion of e-waste. PCBs contain hazardous components but also valuable and critical materials such as copper, gold, silver and rare earth elements. Rare earth...Read more
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
Recovery of rare earth elements from luminophores using the red alga Galdieria
Čížková M., Bišová K., Zachleder V., Mezricky D., Rucki M., (Corresponding) Vítová M.
Topic:
Electric and electronic waste
The red alga Galdieria phlegrea was used as an experimental organism to test bioaccumulation of rare earth elements (REEs) from luminophores. Algal cells were cultured mixotrophically in a liquid medium with addition of glycerol as a source of carbon. Luminophores from two different sources (...Read more
Keywords:
rare earth elements; red algae; Galdieria; waste; luminophores
Interactions between Plants and Rare Earth Oxide Nanoparticles
(Corresponding) Zhang Z.
Topic:
Nanomaterials in the environmnents applications and effects
Rare earth oxide nanoparticles (REO NPs) can be released into the environment from various application routes, but their effects on the ecosystem are still little known. In this study, we exposed cucumber seedlings to suspensions of La2O3 and CeO2 NPs for 14 d. Phytotoxicity of the two REO NPs was...Read more
Recovery of critical and precious metals from E-Waste
Ippolito N., Birloaga I., Ferella F., Innocenzi V., De Michelis I., (Corresponding) Vegliò F.
Topic:
Electric and electronic waste
Waste of Electrical and Electronic Equipment (WEEE) is the fastest growing waste stream in Europe. This waste contains a high amount of critical and valuable metals as the rare earths defined critical materials from European Commission (2010) and the precious metals. Exhaust fluorescent lamps are...Read more
Red Mud as a Secondary Source of Scarce Metals - Recovery using Red Microalgae
Náhlík V., Čížková M., Singh A., Bišová K., Mezricky D., Rucki M., (Corresponding) Vítová M.
Topic:
Environmental biotechnology and bioenergy
Red mud is a by-product of the production of alumina from bauxite ore. Less than 2% of the red mud produced is currently being reused. The red mud contains a number of residual elements, some at a considerable concentration. The red microalga Galdieria sulphuraria was used to test the accumulation...Read more
Keywords:
red mud, scarce metals, rare earth elements, red algae, Galdieria sulphuraria
Waste Printed Circuit Boards (WPCBs) as a potential source for the recovery of rare earth elements through bioleaching.
(Corresponding) Gonzalez Baez A., Pantoja Muñoz L., Garelick H., Purchase D.
Topic:
Electric and electronic waste
Rare earth elements (e.g., neodymium, dysprosium and praseodymium) have contributed to the miniaturization, energy efficiency, durability, and high speed of many technology gadgets. Due to their electric conductivity, magnetic, luminescence and optical properties, rare earth elements (REE) are...Read more
