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Nogueira M, Matos I, Bernardo M, Tarelho LAC, Ferraria AM, Botelho do Rego AM, Fonseca I, Lapa N. Recovery of rare earth elements (Nd 3+ and Dy 3+) by using carbon-based adsorbents from spent tire rubber. WASTE MANAGEMENT (NEW YORK, N.Y.) 2024; 174:451-461. [PMID: 38113670 DOI: 10.1016/j.wasman.2023.12.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/27/2023] [Accepted: 12/11/2023] [Indexed: 12/21/2023]
Abstract
Two samples of spent tire rubber (rubber A and rubber B) were submitted to thermochemical conversion by pyrolysis process. A450, B450 and A900, B900 chars were obtained from rubber A and rubber B at 450 °C and 900 °C, respectively. The chars were then applied as recovery agents of Nd3+ and Dy3+ from aqueous solutions in mono and bicomponent solutions, and their performance was benchmarked with a commercial activated carbon. The chars obtained at 900 °C were the most efficient adsorbents for both elements with uptake capacities around 30 mg g-1. The chars obtained at 450 °C presented uptake capacities similar to the commercial carbon (≈ 11 mg g-1). A900 and B900 chars presented a higher availability of Zn ions that favored the ion exchange mechanism. It was found that Nd3+ and Dy3+ were adsorbed as oxides after Zn was released from silicate structures (Zn2SiO4). A900 char was further selected to be tested with Nd/Dy binary mixtures and it was found a trend to adsorb a slightly higher amount of Dy3+ due to its smaller ionic radius. The uptake capacity in bicomponent solutions was generally higher than for single component solutions due to the higher driving force triggered by the higher concentration gradient.
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Affiliation(s)
- M Nogueira
- LAQV/REQUIMTE, Departamento of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516, Caparica, Portugal
| | - I Matos
- LAQV/REQUIMTE, Departamento of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516, Caparica, Portugal.
| | - M Bernardo
- LAQV/REQUIMTE, Departamento of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516, Caparica, Portugal.
| | - L A C Tarelho
- Centre for Environmental and Marine Studies, Department of Environment and Planning, University of Aveiro, Aveiro 3810-193, Portugal
| | - A M Ferraria
- BSIRG, IBB - Institute for Bioengineering and Biosciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001, Lisboa, Portugal
| | - A M Botelho do Rego
- BSIRG, IBB - Institute for Bioengineering and Biosciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001, Lisboa, Portugal
| | - I Fonseca
- LAQV/REQUIMTE, Departamento of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516, Caparica, Portugal
| | - N Lapa
- LAQV/REQUIMTE, Departamento of Chemistry, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516, Caparica, Portugal
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Zinicovscaia I, Yushin N, Grozdov D, Peshkova A, Vergel K, Rodlovskaya E. The Remediation of Dysprosium-Containing Effluents Using Cyanobacteria Spirulina platensis and Yeast Saccharomyces cerevisiae. Microorganisms 2023; 11:2009. [PMID: 37630569 PMCID: PMC10458459 DOI: 10.3390/microorganisms11082009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023] Open
Abstract
Dysprosium is one of the most critical rare earth elements for industry and technology. A comparative study was carried out to assess the biosorption capacity of cyanobacteria Spirulina platensis and yeast Saccharomyces cerevisiae toward dysprosium ions. The effect of experimental parameters such as pH, dysprosium concentration, time of contact, and temperature on the biosorption capacity was evaluated. Biomass before and after dysprosium biosorption was analyzed using neutron activation analysis and Fourier-transform infrared spectroscopy. For both biosorbents, the process was quick and pH-dependent. The maximum removal of dysprosium using Spirulina platensis (50%) and Saccharomyces cerevisiae (68%) was attained at pH 3.0 during a one-hour experiment. The adsorption data for both biosorbents fitted well with the Langmuir isotherm model, whereas the kinetics of the process followed the pseudo-second-order and Elovich models. The maximum biosorption capacity of Spirulina platensis was 3.24 mg/g, and that of Saccharomyces cerevisiae was 5.84 mg/g. The thermodynamic parameters showed that dysprosium biosorption was a spontaneous process, exothermic for Saccharomyces cerevisiae and endothermic for Spirulina platensis. Biological sorbents can be considered an eco-friendly alternative to traditional technologies applied for dysprosium ion recovery from wastewater.
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Affiliation(s)
- Inga Zinicovscaia
- Department of Nuclear Physics, Joint Institute for Nuclear Research, Joliot-Curie Str., 6, 1419890 Dubna, Russia; (N.Y.); (D.G.); (A.P.); (K.V.)
- Department of Nuclear Physics, Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, 30 Reactorului Str., MG-6, 077125 Magurele, Romania
| | - Nikita Yushin
- Department of Nuclear Physics, Joint Institute for Nuclear Research, Joliot-Curie Str., 6, 1419890 Dubna, Russia; (N.Y.); (D.G.); (A.P.); (K.V.)
| | - Dmitrii Grozdov
- Department of Nuclear Physics, Joint Institute for Nuclear Research, Joliot-Curie Str., 6, 1419890 Dubna, Russia; (N.Y.); (D.G.); (A.P.); (K.V.)
| | - Alexandra Peshkova
- Department of Nuclear Physics, Joint Institute for Nuclear Research, Joliot-Curie Str., 6, 1419890 Dubna, Russia; (N.Y.); (D.G.); (A.P.); (K.V.)
| | - Konstantin Vergel
- Department of Nuclear Physics, Joint Institute for Nuclear Research, Joliot-Curie Str., 6, 1419890 Dubna, Russia; (N.Y.); (D.G.); (A.P.); (K.V.)
| | - Elena Rodlovskaya
- N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova Str., 28, 119991 Moscow, Russia;
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Pinto J, Colónia J, Abdolvaseei A, Vale C, Henriques B, Pereira E. Algal sorbents and prospects for their application in the sustainable recovery of rare earth elements from E-waste. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27767-8. [PMID: 37227641 DOI: 10.1007/s11356-023-27767-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 05/15/2023] [Indexed: 05/26/2023]
Abstract
Efficient and sustainable secondary sourcing of Rare-Earth Elements (REE) is essential to counter supply bottlenecks and the impacts associated with primary mining. Recycled electronic waste (E-waste) is considered a promising REE source and hydrometallurgical methods followed by chemical separation techniques (usually solvent extraction) have been successfully applied to these wastes with high REE yields. However, the generation of acidic and organic waste streams is considered unsustainable and has led to the search for "greener" approaches. Sorption-based technologies using biomass such as bacteria, fungi and algae have been developed to sustainably recover REE from e-waste. Algae sorbents in particular have experienced growing research interest in recent years. Despite its high potential, sorption efficiency is strongly influenced by sorbent-specific parameters such as biomass type and state (fresh/dried, pre-treatment, functionalization) as well as solution parameters such as pH, REE concentration, and matrix complexity (ionic strength and competing ions). This review highlights differences in experimental conditions among published algal-based REE sorption studies and their impact on sorption efficiency. Since research into algal sorbents for REE recovery from real wastes is still in its infancy, aspects such as the economic viability of a realistic application are still unexplored. However, it has been proposed to integrate REE recovery into an algal biorefinery concept to increase the economics of the process (by providing a range of additional products), but also in the prospect of achieving carbon neutrality (as large-scale algae cultivation can act as a CO2 sink).
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Affiliation(s)
- João Pinto
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, University of Aveiro, Aveiro, Portugal
| | - João Colónia
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | | | - Carlos Vale
- CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal
| | - Bruno Henriques
- Department of Chemistry, University of Aveiro, Aveiro, Portugal.
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, University of Aveiro, Aveiro, Portugal.
| | - Eduarda Pereira
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, University of Aveiro, Aveiro, Portugal
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