Can anionic polyacrylamide improve climatic durability of solidified waste rock fine?

In order to improve the climatic durability of solidified waste rock fine (WRF), anionic polyacrylamide (APAM) was innovatively introduced to amend solidified WRF in this study. The effects of APAM content, freeze-thaw (F-T), and wet-dry (W-D) cycles on the mechanical behaviors of solidified WRF were explored.

What is anionic polyacrylamide (Apam)?

1. Introduction Anionic polyacrylamide (APAM) is a kind of organic high-molecular polymer with high hydrophilicity and viscosity, which is easily dissolved in water [, , ].

Can anionic polyacrylamide selectively flocculate kaolinite particles?

Anionic polyacrylamide could selectively flocculate kaolinite particles rather than coal particles because the repulsion energy between coal particles treated by anionic polyacrylamide was much larger than that between kaolinite particles treated by anionic polyacrylamide.

Does anionic polyacrylamide influence hydration and structure formation?

It is reported that anionic polyacrylamide (APAM) is able to influence the hydration, structure formation, setting time, and early strength development of stabilized matrix.

Does anionic polyacrylamide affect surface properties of kaolinite and coal?

The influence of anionic polyacrylamide on the surface properties of kaolinite and coal was analyzed by Fourier transform IR spectrometer and contact angle tests. The Derjagin-Landau-Verwey-Overbeek theory was used to analyzed the effect of anionic polyacrylamide on the interaction between various particles.

Can anionic polyacrylamide hydrogels remove cationic dye from aqueous solutions?

This study deals with the application of anionic polyacrylamide hydrogels in the removal of cationic dye, crystal violet, from aqueous solutions. Batch adsorption studies presented that the maximum adsorption capacity of dye was found to be 378 mg/g at the initial concentration of 300 mg/L, pH = 5, T = 298 K and 0.039 g of the adsorbent.