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Speciation of Arsenic in Medium Containing Bacterial Strains of <i>Lysinibacillus boronitolerans</i> and <i>Bacillus cereus</i>: Mechanism of Arsenic Removal. [PDF]

Int J Environ Res Public Health
Aguilar NC, Van Der Maas AS, Santos MS, Hott RC, Faria MCDS, Batista BL, Bomfeti CA, Mesquita JP, Rodrigues JL.   +8 more
europepmc   +1 more source

Geochemical Assessment of Sediment Heavy Metal(loid) Concentrations in Lofa County, Northwestern Liberia: A Comparative Analysis of Average Shale and Upper Continental Crust Background Values. [PDF]

Toxics
Sow HM, Wang Q, Yousif MH, Wright FB, Chen K, Chen C, Indrick AAB.   +6 more
europepmc   +1 more source

Speciation Characterization and Environmental Stability of Arsenic in Arsenic-Containing Copper Slag Tailing. [PDF]

Molecules
You M, Hu Y, Zhou C, Liu G.
europepmc   +1 more source

Legacy effects of historical gold mining on floodplains of an Australian river. [PDF]

Environ Geochem Health
Colombi F, Holland A, Baldwin D, Lawrence S, Davies P, Rutherfurd I, Grove J, Turnbull J, Macklin M, Hil G, Silvester E.   +10 more
europepmc   +1 more source

Genesis of the hydrothermal gold system in the kibaran metallogenic province (D.R.Congo): A review for the Twangiza-Namoya gold belt. [PDF]

Heliyon
Heritier RN, Li H, Ibrahim MAE, Nambaje C, Luemba M.   +4 more
europepmc   +1 more source

Pollution of water bodies and related impacts on aquatic ecosystems and ecosystem services: The case of Ghana's booming 'galamsey' industry. [PDF]

Heliyon
Bedu-Addo K, Okofo LB, Ntiamoah A, Mensah H.   +3 more
europepmc   +1 more source

Abiotic and biotic-controlled nanomaterial formation pathways within the Earth's nanomaterial cycle. [PDF]

Commun Earth Environ
Schindler M, Xu J, Hochella MF.
europepmc   +1 more source

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Arsenopyrite oxidation

Applied Geochemistry, 2009
Arsenopyrite (FeAsS) is the most common As-bearing sulfide mineral. Under oxidising conditions, such as those in mine waste systems, it breaks down to release acids of As and S into the environment, resulting in acid mine drainage with high concentrations of dissolved As.
Corkhill, C. L., Vaughan, D. J.
openaire   +4 more sources

Oxidation of arsenopyrite (FeAsS) in acid Part I: Reactivity of arsenopyrite

Journal of Applied Electrochemistry, 1996
The oxidation reactivity of arsenopyrite FeAsS in dilute acid determines the recovery of gold from arsenopyritic gold ores by slurry electrolysis. Stoichiometric,sulfur- and arsenic- deficient arsenopyrite have practically the same oxidation rate. Arsenopyrite is covered with a metal deficient sulfide layer which appears to determine the restpotential ...
P. G. Fernandez, H. G. Linge, M. W. Wadsley   +2 more
openaire   +1 more source

Thermodynamics of roasting arsenopyrite

Metallurgical Transactions B, 1983
Existing thermodynamic data for the Fe-As-S-0 system were evaluted and predominance area diagrams for that system were constructed at 798 and 973 K. Isopleths for the As/S and As/O atomic ratios in the vapor phase have been added to the diagrams by solving the complex equilibria.
N. Chakraborti, D. C. Lynch
openaire   +1 more source