Sentence examples for tailings indicating from inspiring English sources
The fractionation of copper and other characteristics of the tailings differ for the two tailings, indicating natural oxidation reactions in the old deposited ones.
The percentage passing 425 microns has decreased from 81.33 % in the PSD of the mill feed to 53.97 % in the tailings indicating that the ball mill sufficiently liberated the copper minerals to produce the required sizes for froth flotation.
Flotation occurs most efficiently in the range 38 106 μm this is emphasised by the reduced percentage passing these size fractions in the particle size distribution of the tailings indicating efficient milling and flotation.
The good performance of ceramic substrate from tungsten mine tailings indicates it possesses the market potential and fine application.
After one year, the poor consolidation behavior of the investigated tailings (indicated by the low effective stress of <2 kPa) is attributed to the low hydraulic conductivity and relatively high initial solids content of the material (Ito and Azam 2013).
The grading curve of the tailings silty sand indicates that the grain composition is relatively homogeneous.
The contents of NH4 +-N in the tailings range from 483.2 to 899.4 mg/kg (Table 1), indicating that there is severe NH4 +-N pollution in the tailings of REE mines.
Results have indicated that tailings exhibit very high contamination degree for soil, especially with As, Pb, Cu and Cd.
In fact, the Acid Base Accounting (ABA) test indicated these tailings as considerable sources of ARD, which explained the high concentration of the previously mentioned elements and anions in leachate.
Detection by X-ray diffraction (XRD) of primary minerals as sulphide and secondary minerals as sulphate indicates that tailings in these impoundments are still reactive exhibiting potential contamination risk through ARD generation.
A small part of data fall into the circles, indicating that a small proportion of data belong to the tailing region of the distributions in (b).
