Overview

Chemical pretreatment of nuclear wastes refers to the sequence of separations processes used to partition such wastes into a small volume of high-level waste for deep geologic disposal and a larger volume of low-level waste for disposal in a near-surface facility. Pretreatment of nuclear wastes now stored at several U. S. Department of Energy sites ranges from simple solid-liquid separations to more complex chemical steps, such as dissolution of sludges and removal of selected radionuclides, e. g. , 90Sr, 99Tc, 137CS, and TRU (transuranium) elements. The driving force for development of chemical pretreatment processes for nuclear wastes is the economic advantage of waste minimization as reflected in lower costs for near-surface disposal compared to the high cost of disposing of wastes in a deep geologic repository. This latter theme is expertly and authoritatively discussed in the introductory paper by J. and L. Bell. Seven papers in this volume describe several separations processes developed or being developed to pretreat the large volume of nuclear wastes stored at the US DOE Hanford and Savannah River sites. These papers include descriptions of the type and amount of important nuclear wastes stored at the Hanford and Savannah River sites as well as presently envisioned strategies for their treatment and final disposal. A paper by Strachan et al. discusses chemical and radiolytic mechanisms for the formation and release of potentially explosive hydrogen gas in Tank 241-SY-101 at the Hanford site.

Full Product Details

Author:   E.P. Horwitz ,  W.W. Schulz
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   Softcover reprint of the original 1st ed. 1994
Dimensions:   Width: 17.80cm , Height: 1.20cm , Length: 25.40cm
Weight:   0.434kg
ISBN:  

9781461360766

ISBN 10:   1461360765
Pages:   212
Publication Date:   24 October 2012
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

Separations Technology: The Key to Radioactive Waste Minimization.- Chemical Pretreatment of Savannah River Site Nuclear Waste for Disposal.- Disposal of Hanford Site Tank Waste.- Removal of Actinides from Hanford Site Wastes Using an Extraction Chromatographic Resin.- Removal of Actinides from Hanford Site Wastes Using an Extraction Chromatographic Resin.- Chemical Mechanisms for Gas Generation in Tank 241-SY-101.- Combined TRUEX-SREX Extraction/Recovery Process.- Noble Metal Fission Products as Catalysts for Hydrogen Evolution from Formic Acid Used in Nuclear Waste Treatment.- Microbiological Treatment of Radioactive Wastes.- Treatment of High-Level Wastes from the IFR Fuel Cycle.- Soil*EXSM- An Innovative Process for Treatment of Hazardous and Radioactive Mixed Waste.- Clean Option: An Alternative Strategy for Hanford Tank Waste Remediation; Detailed Description of First Example Flowsheet.

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