Spectrophotometric studies on solubility of lanthanoid(III) complexes with fluorinated β-diketonates in supercritical carbon dioxide

Hwang, DongKi; Tsukahara, Takehiko; Miyamoto, Naomi; Ikeda, Yasuhisa

doi:10.1016/j.supflu.2015.12.002

Cited by 5 publications

(2 citation statements)

References 36 publications

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“…Supercritical fluids exhibit advantageous extraction characteristics, including low viscosity, high diffusivity, and efficient solvation capabilities, rendering them highly effective solvents for metal extraction. Several extraction agents have been studied for supercritical rare earth extraction [149]. Zhang et al aimed to improve the interaction between the solute and solvent.…”

Section: Solvent Extractionmentioning

confidence: 99%

Review of Methods for Obtaining Rare Earth Elements from Recycling and Their Impact on the Environment and Human Health

Gkika,

Chalaris,

Kyzas

2024

Processes

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Rare earth elements (REEs) are at the forefront of discussions, given their crucial role in cutting-edge and eco-friendly innovations that propel the industrial revolution towards a green economy. These elements have become indispensable to various modern technologies, such as smartphones, electronic devices, and renewable energy sources. Many different concepts and analyses have been introduced, such as the chemical similarities among REEs, health risks and ecological damages, the negative environmental impacts of current recovery processes, and strategies for advancing REE recovery towards a circular economy. Although these elements have been widely used in various applications over the last 20 years, the literature on these aspects is fragmented and spread across different research areas, shared by multiple branches and application fields. These fields include safety concerns, economic challenges, and technology. Summarizing and classifying this literature is challenging due to its fragmented nature, the variety of topics, and the different approaches used. The quest for cleaner recycling strategies necessitates a comprehensive assessment covering economic, technological, and environmental aspects. The primary goal of this review is to provide a holistic perspective on REEs, with a central focus on their economic, technological, and environmental dimensions, particularly emphasizing reuse, recycling, and occupational safety. The review begins by addressing complexities of REEs, highlighting the associated technologies, environmental concerns, and economic considerations. It further explores the aspects of reuse and recycling of REEs, shedding light on the advantages, drawbacks, hazards, and costs associated with recycling technologies for REE recovery. Additionally, the review summarizes occupational exposure and safety considerations related to REEs.

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Section: Solvent Extractionmentioning

confidence: 99%

Review of Methods for Obtaining Rare Earth Elements from Recycling and Their Impact on the Environment and Human Health

Gkika,

Chalaris,

Kyzas

2024

Processes

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show abstract

“…These properties mainly determine potential uses of the complex. It is widely used as a chemical shift reagent in NMR processes, as a luminophore for latent fingerprint visualization, as a precursor for light-emitting material fabrication, etc. − Moreover, the complex has some potential as an agent for the separation of lanthanides by gas chromatography . The application area of Eu(fod) 3 is continuously expanding.…”

Section: Introductionmentioning

confidence: 99%

Low-Temperature Heat Capacity and Thermodynamic Functions of Europium(III) Heptafluorodimethyloctanedionate

Bespyatov

2023

J. Chem. Eng. Data

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Recent advances in selective separation technologies of rare earth elements: a review

Chen

Zhan

Chen

et al. 2022

Journal of Environmental Chemical Engineering

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Spectrophotometric studies on solubility of lanthanoid(III) complexes with fluorinated β-diketonates in supercritical carbon dioxide

Cited by 5 publications

References 36 publications

Review of Methods for Obtaining Rare Earth Elements from Recycling and Their Impact on the Environment and Human Health

Review of Methods for Obtaining Rare Earth Elements from Recycling and Their Impact on the Environment and Human Health

Low-Temperature Heat Capacity and Thermodynamic Functions of Europium(III) Heptafluorodimethyloctanedionate

Recent advances in selective separation technologies of rare earth elements: a review

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