On membrane-based approaches for rare earths separation and extraction–Recent developments

J Kujawa, S Al Gharabli, A Szymczyk, AP Terzyk… - Coordination Chemistry …, 2023 - Elsevier
The current progress in the improvement of membrane materials enlarges the utilizations
and necessities for innovative, more efficient, resistant, and highly specialized separation …

Recovery of vanadium and nickel from heavy oil fly ash (HOFA): a critical review

A Bakkar, MMES Seleman, MMZ Ahmed, S Harb… - RSC …, 2023 - pubs.rsc.org
Heavy oil fly ash “HOFA” is the fly ash generated in power stations using heavy oil as fuel.
HOFA is considered a hazardous waste because it contains considerable amounts of heavy …

[HTML][HTML] Selective Recovery of Cadmium, Cobalt, and Nickel from Spent Ni–Cd Batteries Using Adogen® 464 and Mesoporous Silica Derivatives

AR Weshahy, AK Sakr, AA Gouda, BM Atia… - International Journal of …, 2022 - mdpi.com
Spent Ni–Cd batteries are now considered an important source for many valuable metals.
The recovery of cadmium, cobalt, and nickel from spent Ni–Cd Batteries has been performed …

Selective separation and recovery of rare-earth elements (REEs) from acidic solutions and coal fly ash leachate by novel TODGA-Impregnated organosilica media

S Praneeth, AK Sakr, M Dardona, CM Tummala… - Chemical Engineering …, 2024 - Elsevier
Rare-earth elements (REEs) are essential in a wide range of applications including magnets
and satellite technology, with demand driven by geopolitical factors. While multiple …

Potential for eco-friendly recovery of rare earth elements from fly ash using carboxylic acids: A comparative study with mineral acids and environmental risk …

AK Sakr, S Praneeth, M Dardona, DK Porter… - Chemical Engineering …, 2025 - Elsevier
The increased reliance on rare-earth elements (REEs) in many technologies while primary
resources remain limited has compelled researchers worldwide to find alternate and …

Rare-Earth Elements Extraction from Low-Alkali Desilicated Coal Fly Ash by (NH4)2SO4 + H2SO4

A Shoppert, D Valeev, J Napol'skikh, I Loginova, J Pan… - Materials, 2022 - mdpi.com
Coal fly ash (CFA) obtained from pulverized coal furnaces is a highly refractory waste that
can be used for alumina and rare-earth elements (REEs) extraction. The REEs in this type of …

Recovery of W (VI) from wolframite ore using new synthetic schiff base derivative

RE Elbshary, AA Gouda, R El Sheikh… - International Journal of …, 2023 - mdpi.com
A new synthetic material, namely,(3-(((4-((5-(((S)-hydroxyhydrophosphoryl) oxy)-2-
nitrobenzylidene) amino) phenyl) imino) methyl)-4-nitrophenyl hydrogen (R)-phosphonate)) …

Polyvinyl alcohol‐conjugated L‐cysteine: a novel metal pincer for efficient heavy metal ions removal from wastewater

SA Mahmoud, BM Atia, M Abdalla - ChemistrySelect, 2024 - Wiley Online Library
A facilely prepared composite based on Polyvinyl alcohol anchored‐L‐cysteine (PVA‐L‐
CYS) demonstrated efficient functionality in the elimination of heavy metals (Hg, Cr, Pb, and …

A novel triazole schiff base derivatives for remediation of chromium contamination from tannery waste water

AA Alluhaybi, A Alharbi, AM Hameed, AA Gouda… - Molecules, 2022 - mdpi.com
Tannery industries are one of the extensive industrial activities which are the major source of
chromium contamination in the environment. Chromium contamination has been an …

Efficient and sustainable design of pyridyl-bis-thiourea pincer ligand-immobilised Merrifield polymer precursor for arsenic ions adsorption

NS Awwad, HM Younis, HA Ibrahium… - International Journal …, 2024 - Taylor & Francis
An improved yield of a composite named Merrifield-pyridoyl-bis-thiourea derivative (MR-
PyBTU) was effectively synthesised from the Merrifield Polymer Precursor (MR) and utilised …