Chemistry and Microstructure of Solidified Waste Forms

About this book

Chemistry and Microstructure of Solidified Waste Forms presents a comprehensive summary of mechanisms of immobilization in cementitious waste forms and the effect of waste species on cement chemistry and morphology. The book introduces the well-known chemistry and microstructure of cement pastes, in addition to common mechanisms of immobilization of waste species in cementitious waste forms. The fundamental chemical and microstructural fate of waste species is reviewed, and a technique for studying cementitious waste forms using scanning transmission electron microscopy (STEM) is described with examples of its application."Chemistry and Microstructure of Solidified Waste Forms" also presents evidence to prove that chromium in waste becomes part of the cement matrix, and the potentially harmful effect of this process is discussed. Data for interpretations are included so that other researchers can analyze the data and draw their own conclusions. The book also discusses how solubility and solubility theory can be combined with leach theory and diffusion theory to predict the leaching performance of cementitious waste forms. "Chemistry and Microstructure of Solidified Waste Forms" will prove invaluable to hazardous waste professionals, engineers, environmental engineers, chemical engineers, waste disposal managers, waste form developers and researchers, and regulators.

Contents

Chemistry of Cement-Solidified Waste Forms (F.P. Glasser). Chemistry of Cementitious Solidified/Stabilized Waste Forms (J.R. Conner). The Chemistry of Cementitious Systems for Waste Management: The Penn State Experience (D.M. Roy and B.E. Scheetz). The Potential of Surface Characterization Techniques for Cementitious Waste Forms (G. N. Salaita and P.G. Hannak). Electron Microscopy Characterization Techniques for Cement Solidified/Stabilized Metal Wastes (D.G. Ivey, M. Neuwirth, D. Conrad, R.J. Mikula, W.W. Lam, and R.B. Heimann). Microscopic and NMR Spectroscopic Characterization of Cement-Solidified Hazardous Wastes (L.G. Butler, F.K. Cartledge, H.C. Eaton, and M.E. Tittlebaum). Microstructural Characterization of Cement Solidified Heavy Metal Wastes (D.L. Gress and T. El-Korchoi). The Chemistry and Leaching Mechanisms of Hazardous Substances in Cementitious Solidification/Stabilization Systems (D.L. Cocke and M.Y. A. Mollah). Effects of Equilibrium Chemistry on Leaching of Contaminants from Stabilized/Solidified Wastes (B. Batchelor and K. Wu).

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