Challenges and future in Ni laterite ore enrichment: A critical review

L Mweene, A Gomez-Flores, HE Jeong… - Mineral Processing …, 2024 - Taylor & Francis
Nickel is a strategic element whose production and consumption in over a decade has
increased to over 39% and 71%, respectively. Generally, due to their complex mineralogy …

Nickel laterite beneficiation and potential for upgrading using high temperature methods: A review

L Zappala, R McDonald… - Mineral Processing and …, 2024 - Taylor & Francis
Australia has large reserves of limonite and clay-based laterites that are currently
underutilized. This review summarizes the latest nickel laterite upgrading studies reported in …

Experimental and theoretical investigations into the surface chemical properties and separation of serpentine from quartz using xanthomonas campestris as a …

L Mweene, GP Khanal, J Kawala, K Chikontwe - Minerals Engineering, 2024 - Elsevier
Separation of fine serpentine (SPT) from quartz (QZ) both of d 80 close to 20 µm using an
eco-friendly microbial exo-polysaccharide, xanthomonas campestris (XCT), as a selective …

[HTML][HTML] Trace element geochemistry of iron-(oxy)-hydroxides in Ni (Co)-laterites: Review, new data and implications for ore forming processes

L Santoro, F Putzolu, N Mondillo, M Boni… - Ore Geology …, 2022 - Elsevier
Abstract Iron-(oxy)-hydroxide (FeO/OH) phases are abundant in all supergene ore deposits.
The most common FeO/OH phase in supergene environments is goethite, although …

Column leaching of low-grade saprolitic laterites and valorization of leaching residues

K Komnitsas, E Petrakis, G Bartzas, V Karmali - Science of the total …, 2019 - Elsevier
Socio-economic data on nickel and cobalt show their importance throughout the entire metal
value chain, from mining to end use, disposal and recycling. Thus, the extraction of both …

Short lifespans of serpentinization in the rocky core of Enceladus: Implications for hydrogen production

A Zandanel, L Truche, R Hellmann, A Myagkiy… - Icarus, 2021 - Elsevier
The discovery of a liquid ocean on Saturn's small moon Enceladus and evidence of modern
hydrothermal activity provide an unexpected new environment in which to expand the …

[HTML][HTML] Migration of dissolution front in a fracture network− Implications for weathering of fractured bedrock systems and boulder formation

S Favier, Y Teitler, F Golfier, M Cathelineau - Journal of Hydrology, 2024 - Elsevier
Fracture networks contribute to the differential weathering of fractured bedrock at multiple
scales. The influence of competing fracture networks is discussed in light of …

Chromium occurrence in a nickel laterite profile and its implications to surrounding surface waters

RE Delina, C Arcilla, T Otake, JJ Garcia, M Tan, A Ito - Chemical Geology, 2020 - Elsevier
Ultramafic rocks are considered as the most important geogenic sources of Cr whose
hexavalent species is of environmental concern. In tropical to subtropical areas (eg New …

Characterization of Weda Bay nickel laterite ore from Indonesia

S Farrokhpay, M Cathelineau, SB Blancher… - Journal of Geochemical …, 2019 - Elsevier
The association of fine grained Mgsingle bondNi silicates with oxy-hydroxides in laterites
and saprolites represents challenges for ore processing, in particular, in nickel enrichment …

Impact of heterogeneities and surface roughness on pXRF, pIR, XRD and Raman analyses: Challenges for on-line, real-time combined mineralogical and chemical …

C Duée, B Orberger, N Maubec, V Laperche… - Journal of Geochemical …, 2019 - Elsevier
On-line, real-time chemical and mineralogical analyses on drill cores are highly demanded
by mining companies. However, they are a challenge because of drill core surface state and …