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The objective of this study is to examine the potential of using polyelectrolyte complex (PEC) nanoparticles to enhance the adsorption of anionic surfactants on negatively charged surface of quartz sand grains. The hypothesis is that a cationic PEC layer formed on the negatively charged quartz surface can enhance the adsorption of anionic surfactants on quartz sand grains. Both static adsorption tests...
Five cationic surfactants were employed to modify activated carbon for the purpose of comparing the impacts of surfactant properties and operational parameters on modification. Surfactants under study included cetylpyridinium chloride monohydrate (CPC), hexadecyltrimethylammonium bromide (HDTMA), cetyltrimethylammonium chloride (CTAC), myristyltrimethylammonium bromide (MTAB), and decyltrimethylammonium...
Vacancy defects of the particle deposition patterns were demonstrated for a sedimentation process and can be reduced using a two-zeta potential (η) stage control strategy revealed from the Kinetic Monte Carlo (KMC) simulation results. The KMC approach is a statistical-based algorithm to simulate the moving steps of particles in a solution during the sedimentation based on the thermodynamic theory...
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