Sentence examples for tailings samples from inspiring English sources

However, scorodite has never been observed in aged tailings samples.

Sulphur content in tailings samples was determined by X ray fluorescence using the spectrometer α6500 (INNOV-X, Woburn, MA, US).

Arsenite adsorbed on ferrihydrite (AsO3 FeOOH), and gersdorffite (NiAsS) were also identified as minor arsenic species in the tailings samples.

Three tailings samples (T1, T2 and T3) with varied physiochemical properties selected for the study revealed distinct microbial assemblages.

Tailings samples were collected at 0, 3, 6 and 12 months and pore water chemistry was monitored as an indicator of acidification and weathering processes.

Arsenic K-edge XANES analysis confirmed that most (86 wt%) of the arsenic content in the tailings samples consisted of iron-containing arsenates.

Simultaneously, the adsorption capacity results of the two optimum sizes were compared with each other, and the tailings sample (d60 = 0.063 mm) gave the best results, with 9.30 mg/g Pb ions adsorbed value.

Therefore, in the second study, a series of laboratory experiments using 23 full factorial designs was conducted to determine the optimum pH, contact time and initial metal concentration using the original tailings sample.

Addition of biosolids decreased concentrations of copper, nitrate, and sulfate in leachate from the acidic tailings sample but slightly increased copper and arsenic in leachate from the circumneutral sample compared with concentrations in unamended tailings.

Copper-Au tailings were sampled from the tailing storage facility of Ernest Henry Mine (EHM) in northwest Queensland in October in 2010.

For comparison purpose, bulk fresh tailings were sampled in October in 2012 from the newly deposited section.