[HTML][HTML] Froth flotation of scheelite–A review

N Kupka, M Rudolph - International Journal of Mining Science and …, 2018 - Elsevier
Froth flotation of scheelite has regained new focus since the 2010s and research regarding
floatability and reagents has made great progress over the years. The main objective was …

Beneficiation studies of tungsten ores–A review

X Yang - Minerals Engineering, 2018 - Elsevier
Abstract Scheelite (CaWO 4) and wolframite ((Fe, Mn) WO 4) are the only tungsten minerals
mined commercially and are mainly found in five types of deposits: skarn, vein/stockwork …

The flotation separation of scheelite from calcite using acidified sodium silicate as depressant

F Bo, L Xianping, W Jinqing, W Pengcheng - Minerals Engineering, 2015 - Elsevier
The flotation separation of scheelite from calcite using sodium oleate as collector and
acidified sodium silicate as depressant has been studied. The results show that sodium …

Fatty acid flotation versus BHA flotation of tungsten minerals and their performance in flotation practice

H Han, Y Hu, W Sun, X Li, C Cao, R Liu, T Yue… - International Journal of …, 2017 - Elsevier
The similar flotability of scheelite, fluorite, and calcite resulted in the difficult separation by
flotation. This work revealed the effect of water glass on the flotation of scheelite by FTIR and …

The effect of sodium alginate on the flotation separation of scheelite from calcite and fluorite

W Chen, Q Feng, G Zhang, Q Yang, C Zhang - Minerals Engineering, 2017 - Elsevier
In this paper, the effect of sodium alginate on the flotation separation of scheelite from calcite
and fluorite using sodium oleate as collector was investigated. Flotation results showed that …

A treatise on occurrence, beneficiation and plant practices of tungsten-bearing ores

SK Das, C Nagesh, T Sreenivas, T Kundu, SI Angadi - Powder Technology, 2023 - Elsevier
Tungsten is considered one of the important strategic metals due to its specific use in
defense applications and high supply risk associated with it. Scheelite (CaWO 4) and …

The challenge of tungsten skarn processing by froth flotation: A review

Y Foucaud, L Filippov, I Filippova, M Badawi - Frontiers in Chemistry, 2020 - frontiersin.org
Recently, tungsten has drawn worldwide attention considering its high supply risk and
economic importance in the modern society. Skarns represent one of the most important …

New reagent formulations for selective flotation of scheelite from a skarn ore with complex calcium minerals gangue

LO Filippov, Y Foucaud, IV Filippova, M Badawi - Minerals Engineering, 2018 - Elsevier
The approach using synergistic effects of the blend of carboxylic collectors was applied to
process the Tabuaco tungsten skarn ores (Portugal) by flotation. However, a very complex …

Replacing Petrov's process with atmospheric flotation using Pb-BHA complexes for separating scheelite from fluorite

H Han, Y Xiao, Y Hu, W Sun, AV Nguyen, H Tang… - Minerals …, 2020 - Elsevier
It is difficult to separate scheelite especially from fluorite with fatty acid collectors because
the adsorption mechanism of these collectors occurs through chemisorption of the oleate ion …

Impact of NaOL as an accelerator on the selective separation of scheelite from fluorite using a novel self-assembled Pb-BHA-NaOL collector system

J Wang, Z Gao, H Han, W Sun, Y Gao, S Ren - Applied Surface Science, 2021 - Elsevier
Strategic Ca-bearing minerals such as scheelite and fluorite are usually separated by
flotation; however, their separation is quite difficult due to the similarity of the Ca active sites …