[HTML][HTML] A review of flotation and selective separation of pyrrhotite: A perspective from crystal structures

X Tang, Y Chen - International Journal of Mining Science and …, 2022 - Elsevier
Pyrrhotite is an associated mineral that exists widely in sulfide ore. The presence of
pyrrhotite will affect the recovery of platinum group minerals. Therefore, researchers have …

Beneficiation of lead-zinc ores–a review

A Nayak, MS Jena, NR Mandre - Mineral Processing and Extractive …, 2022 - Taylor & Francis
In recent years, lead and zinc, emerge to become one of the most widely used non-ferrous
metals for their growing demand in lead-acid batteries, galvanization, radio-active shielding …

[HTML][HTML] The “mica crisis” in Donegal, Ireland–A case of internal sulfate attack?

A Leemann, B Lothenbach, B Münch… - Cement and Concrete …, 2023 - Elsevier
Abstract In County Donegal, northwest Ireland, thousands of homes built with concrete
blocks show an increasing degree of severe structural defects attributed to high mica content …

A pilot study on recovery of iron from sulfur-bearing hematite ore using hydrogen-based mineral phase transformation followed by magnetic separation

J Yu, H Sun, P Li, W Han, Y Li, Y Han - Journal of Environmental Chemical …, 2023 - Elsevier
Sulfur is a harmful impurity in iron ore, which seriously affects the subsequent smelting
process and product quality. In this study, a novel process of hydrogen-based mineral phase …

Surface and interface analysis of iron sulfides in aqueous media using X-ray photoelectron spectroscopy of fast-frozen dispersions

Y Mikhlin, A Romanchenko, Y Tomashevich - Applied Surface Science, 2021 - Elsevier
Iron sulfides are important minerals and materials, whose surface properties are largely
determined by the interface with aqueous phases. Here, natural pyrrhotite (Fe 9 S 10) and …

Nitric acid treatment of a pyrite rougher concentrate to oxidise differentially the pyrite types and modify the Au: S ratio in a resulting cleaner concentrate

J John, C Evans, B Johnson - Minerals Engineering, 2023 - Elsevier
The Lihir ore deposit is a sulfide associated refractory gold ore of epithermal origin
containing different types of pyrite with a range of levels for gold. The presence of the low …

Concrete damage due to oxidation of pyrrhotite-bearing aggregate: a review

J Duchesne, A Rodrigues, B Fournier - RILEM Technical Letters, 2021 - letters.rilem.net
Oxidation of pyrrhotite-bearing aggregates is one of the major causes of concrete damage in
numerous buildings in Trois-Rivières in Canada and Connecticut in the USA. In the …

Electrochemical and XPS investigations on the galvanic interaction between pentlandite and pyrrhotite in collectorless flotation system

D Liu, G Zhang, BB Li - Minerals Engineering, 2022 - Elsevier
Pentlandite and pyrrhotite are ubiquitously symbiotically aggregated with each other, and
the galvanic interaction between them inevitably occurs in flotation process. However, there …

Integrated environmental management of pyrrhotite tailings at Raglan Mine: Part 1 challenges of desulphurization process and reactivity prediction

M Benzaazoua, H Bouzahzah, Y Taha… - Journal of cleaner …, 2017 - Elsevier
The aim of this project is to assess the efficiency of pyrrhotite rich tailings desulfurization and
its capacity to make mine operations more sustainable and respectful to the environment …

[HTML][HTML] Quantifying pyrrhotite superstructures in copper-gold ore flotation through synchrotron X-ray diffraction analysis

A Rezvani, F Raji, R Fan, R Kappes, Y Peng - Minerals Engineering, 2024 - Elsevier
Pyrrhotite, a significant sulfide mineral in base metal sulfide deposits, exists in various
superstructures including magnetic (4C) and non-magnetic (5C and 6C) types. Identifying …