Exploring the effect of a polyacrylic acid-based grinding aid on magnetite-quartz flotation separation

Chipakwe, Vitalis; Karlkvist, Tommy; Rosenkranz, Jan; Chelgani, S. Chehreh

doi:10.1016/j.seppur.2022.122530

Cited by 6 publications

(3 citation statements)

References 52 publications

(78 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It was reported that the Lilaflot adsorption could decrease the zeta potential on the surface of iron oxides and quartz 15 . The zeta potential measurements on the surface of minerals after various conditioning indicated (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…Subsequently, Lilaflot®811M was introduced into the mixture and conditioned for more 2 min. As a quartz collector, Lilaflot has been used in various studies for reverse iron ore flotation 14 , 15 . Lilaflot proved to be a selective collector that can produce a high-grade quartz concentrate with high metallurgical recovery 16 .…”

Section: Methodsmentioning

confidence: 99%

“…The system's pH was carefully set to 9 for the quartz flotation tests, ensuring an optimal condition. Multiple concentrations of Lilaflot (15,30,75, and 90 ppm) were assessed. A consistent stirring time of 2 min was maintained to facilitate proper mixing and interaction between the flocculant and the particles.…”

Section: Floatabilitymentioning

confidence: 99%

See 2 more Smart Citations

Starch vs. tannin as biodegradable reagents for ultrafine hematite depression

Kordloo,

Rahmanian,

Mohammadzadeh

et al. 2024

Sci Rep

View full text Add to dashboard Cite

Enrichment of ultrafine liberated valuable minerals from their associated gangue phases is one of the emerging investigation topics within mineral processing and recycling. Using green flotation reagents and turning processes into eco-friendly systems is also one of the challenges in the green transition of ore beneficiation plants. Starch and Tanin as biodegradable depressants for hematite depression have been commercially used in various iron ore processing plants. However, their depression effects on ultrafine particles were not systemically assessed and compared. To fill this gap, this investigation examined the effects of starch, tannin, their mixtures (different ratios), and their different conditioning sequence on the floatability of ultrafine quartz and hematite (− 15 µm). Since the macromolecular polymer of these biodegradable depressants can bind particles together and flocculate them, turbidity analyses were used to assess their optimum ratio for hematite depression without affecting quartz floatability. Turbidity analyses provided a mixture of tannin and starch might enhance the flotation separation of quartz from hematite. Starch could flocculate ultrafine hematite particles, while tannin could disperse ultrafine quartz particles. Floatability experiments indicated that starch had the highest performance in hematite depression (lowest effect on quartz particles) compared to other conditions. Surface analyses (zeta potential and FTIR) proved floatability outcomes and highlighted starch had stronger adsorption on the hematite surface than tannin.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%