Nanotechnology Applications for Clean Water

Chapter 18 Physicochemistry of Polyelectrolyte Coatings that Increase Stability, Mobility, and Contaminant Specificity of Reactive Nanoparticles Used for Groundwater Remediation

Tanapon Phenrat, Gregory V. Lowry

Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, PA, USA

1. Challenges of Using Reactive Nanomaterials for In Situ Groundwater Remediation 250

2. Polymeric Surface Modification/Functionalization 251

   1. Definitions and Materials 251

   2. Nanoparticle Surface Modification Approaches 252

3. Effect of Surface Modifiers on the Mobility of Nanomaterials in the Subsurface 254

   1. Colloidal Forces and Derjaguin-Landau-Verwey-Overbeek Theory 255

   2. Adsorbed Layer Characterization 260

4. Contaminant Targeting ...