Comparison of effectiveness of citric acid and other acids in leaching of low-grade Indonesian saprolitic ores

W Astuti, T Hirajima, K Sasaki, N Okibe - Minerals Engineering, 2016 - Elsevier
Abstract Comparison effect of chemical citric acid and other leaching reagents including
inorganic acid and other organic acid on nickel extraction from low-grade Indonesian …

Comparison of atmospheric citric acid leaching kinetics of nickel from different Indonesian saprolitic ores

W Astuti, T Hirajima, K Sasaki, N Okibe - Hydrometallurgy, 2016 - Elsevier
Abstract Saprolitic ores from Sulawesi Island (SS ore) contain serpentine and goethite as
major minerals, whereas the main minerals in saprolitic ore from Halmahera Island (SH ore) …

Anaerobic and aerobic reductive dissolutions of iron-rich nickel laterite overburden by Acidithiobacillus

J Marrero, O Coto, A Schippers - Hydrometallurgy, 2017 - Elsevier
Aerobic reductive dissolution (AeRD) of iron, nickel, cobalt and manganese from laterite
overburden using Acidithiobacillus (At.) thiooxidans and anaerobic reductive dissolution …

Adsorptive removal of naphthalene and anthracene from aqueous solution with zinc and copper-terephthalate metal-organic frameworks

HK Okoro, AC Tella, OA Ajibola, C Zvinowanda… - Bulletin of the Chemical …, 2019 - ajol.info
This research employed the application of metal organic frameworks (MOFs) of zinc and
copper-based materials in the removal of naphthalene and anthracene. Naphthalene and …

Influence of waterfall aeration and seasonal temperature variation on the iron and arsenic attenuation rates in an acid mine drainage system

CJ Chen, WT Jiang - Applied geochemistry, 2012 - Elsevier
Dramatic seasonal changes in water chemistry and precipitate mineralogy associated with
acid-mine drainage (AMD) in the waterfall and creek sections of the Chinkuashih area …

Potential application of termite mound for adsorption and removal of Pb (II) from aqueous solutions

N Abdus-Salam, AD Itiola - Journal of the Iranian Chemical Society, 2012 - Springer
The morphological and mineralogical composition of a termite mound from Ilorin, Nigeria
was investigated with a view to understand its sorption properties. The termite hill soil was …

Iron removal from waterlogged wood: Extraction by electrophoresis and chemical treatments

C Pelé, E Guilminot, S Labroche, G Lemoine… - Studies in …, 2015 - Taylor & Francis
The presence of iron oxides (lepidocrocite, goethite) in archeological wood may result in a
degradation of the wood matrix. Extraction of these iron oxides is largely dependent on their …

Kinetic and thermodynamic studies on adsorption of sulphate from aqueous solution by magnetite, activated carbon and magnetite-activated carbon composites

HI Adegoke, FA Adekola, MN Abdulraheem - Nigerian Journal of Chemical …, 2017 - ajol.info
Magnetite nanoparticles, activated Carbon and their composites were synthesized in the
laboratory. The adsorbents were characterized by bulk density, pH, pzc, surface area, iodine …

Kinetics, thermodynamics and competitive adsorption of lead and zinc ions onto termite mound

N Abdus-Salam, MO Bello - International journal of environmental science …, 2015 - Springer
The elemental composition of termite mound was determined by XRF which revealed K, Ti
and Mn as minor constituents while Ca and Fe as major constituents. The dominant …

Selective leaching of scandium and yttrium from red mud induced by hydrothermal treatment

AM Liliou, ML Saru, A Veksha, G Lisak… - Journal of Chemical …, 2021 - Wiley Online Library
BACKGROUND The red mud (bauxite residue) is a rare earth element (REE) bearing
material that should be considered a valuable resource. This research investigated the …