Advances in Materials Science and Engineering / 2020 / Article / Tab 1

Research Article

Effect of Desliming of Tailings on the Fresh and Hardened Properties of Paste Backfill Made from Alkali-Activated Slag

Table 1

Physical, chemical, and mineralogical properties of tailings.

Chemical compositionFull tailings (wt.%)Deslimed tailings (wt.%)Physical propertiesFull tailingsDeslimed tailings

SiO213.1610.43Specific gravity (Gs)4.094.32
Al2O34.812.46Specific surface area (cm2/g)36621956
Fe2O348.4153.93D10 (μm)2.1414.98
MgO1.130.91D30 (μm)7.6529.62
CaO1.831.28D50 (μm)19.2145.24
Na2O0.190.18D60 (μm)28.5254.23
K2O0.640.23D90 (μm)77.43117.39
TiO20.080.07Coefficient of curvature (Cc)0.961.08
P2O50.020.02Coefficient of uniformity (Cu)13.333.62
MnO0.060.05
Cr2O30.01<0.01
BaSO42.542.02
Loss on ignition26.928.2
Sulphide (S−2)37.442.23
Total S38.5242.76
Pyrite content (FeS2)70.1379.19

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.