Recent process developments in beneficiation and metallurgy of rare earths: A review

S Cheng, W Li, Y Han, Y Sun, P Gao, X Zhang - Journal of rare earths, 2024 - Elsevier
Rare earth elements (REEs) are irreplaceable materials supporting low-carbon technology
and equipment, and their commercial demand and strategic position are becoming …

[HTML][HTML] The pH dependent surface charging and points of zero charge. VIII. Update

M Kosmulski - Advances in Colloid and Interface Science, 2020 - Elsevier
A critical review of the points of zero charge (PZC) obtained by potentiometric titration and of
isoelectric points (IEP) obtained by electrokinetic measurements. The results from the recent …

A novel depressant N, N-bis (phosphonomethyl) glycine for magnesite-dolomite separation and its mechanism

X Chen, W Liu, L Wang, W Liu, W Sun, N Zhang - Minerals Engineering, 2023 - Elsevier
In this study a novel depressant, N, N-bis (phosphonomethyl) glycine (BPMG), is proposed
for the beneficiation of magnesite from dolomite using sodium oleate (NaOL) as the …

Differential adsorption of hydrolytic polymaleic anhydride as an eco-friendly depressant for the selective flotation of apatite from dolomite

B Yang, W Yin, Z Zhu, H Sun, Q Sheng, Y Fu… - Separation and …, 2021 - Elsevier
Differential adsorption of surfactants (eg, collectors and depressants) on the minerals plays
a key role in mineral flotation through selectively altering the surface wettability of minerals …

Preparation of HA-containing coating by one-step MAO on titanium alloys through synergistic effect of calcium gluconate and calcium glycerophosphate

J Qin, Y Chen, C Chen, S Zhong, Z Yan, W Liu… - Surface and Coatings …, 2023 - Elsevier
In a base solution composed of calcium gluconate (CaGlu 2) and magnesium gluconate
(MgGlu 2), the influences of calcium glycerophosphate (Ca-GP), sodium phytate (Na 12 …

Exceptional room temperature catalytic transesterification of waste cooking oil to biodiesel using environmentally-benign K2CO3/γ-Al2O3 nano-catalyst

AH Abu-Ghazala, HH Abdelhady, AA Mazhar… - Chemical Engineering …, 2023 - Elsevier
This study addresses the exceptional catalytic efficacy of K 2 CO 3/γ-Al 2 O 3 as a
heterogeneous nano-catalyst for room-temperature biodiesel production from waste cooking …

A review of reagents applied to rare-earth mineral flotation

C Marion, R Li, KE Waters - Advances in colloid and interface science, 2020 - Elsevier
The rare-earth elements (REE), which encompass the fifteen metallic elements of the
lanthanoid series of the periodic table, yttrium and occasionally scandium, have gained …

Selective adsorption of an eco-friendly and efficient depressant PBTCA onto dolomite for effective flotation of fluorapatite from dolomite

B Yang, Z Zhu, W Yin, Q Sun, H Sun, H Han… - Chemical Engineering …, 2020 - Elsevier
At present, traditional inhibitors applied for selective flotation of fluorapatite from dolomite
generally own low selectivity, high toxicity, large dosages and high costs. Thus, this research …

An ion-tolerance collector AESNa for effective flotation of magnesite from dolomite

W Liu, W Sun, W Liu, S Dai, H Duan, S Zhou, J Qiu - Minerals Engineering, 2021 - Elsevier
The separation of magnesite and dolomite has always been a difficult problem in flotation
production, one of the reasons is that the dissolved Ca 2+ ions from dolomite weaken the …

Effect of dissolved fluorite and barite species on the flotation and adsorption behavior of bastnaesite

Z Wang, H Wu, Y Xu, K Shu, J Yang, L Luo… - Separation and …, 2020 - Elsevier
The flotation of rare earth minerals, which is of current interest in the mineral processing
field, is challenging owing to the dissolution of gangue minerals. In this study, dissolved …