Nanotechnology Applications for Clean Water

Chapter 25 Reducing Leachability and Bioaccessibility of Toxic Metals in Soils, Sediments, and Solid/Hazardous Wastes Using Stabilized Nanoparticles

Yinhui Xu, Ruiqiang Liu, Dongye Zhao

Environmental Engineering Program, Department of Civil Engineering, Auburn University, Auburn, AL, USA

1. Reductive Immobilization of Chromate in Soil and Water Using Stabilized Zero-Valent Iron Nanoparticles 366

   1. Introduction 366

   2. Reduction and Removal of Cr(VI) in Water 367

   3. Reduction and Immobilization of Cr(VI) Sorbed in Soil 368

2. In Situ Immobilization of Lead in Soils Using Stabilized Vivianite Nanoparticles 371

3. Mechanisms of Nanoparticle Stabilization by Carboxymethyl Cellulose 372

4. Conclusion 372

Abstract

Toxic metals such as chromium ...