Decommissioning of Nuclear Power Plants

Opening Session.- by the Session Chairman.- Welcoming address.- Opening speech: The Commission’s research action programme on the development of nuclear fission energy.- Decommissioning of nuclear powsr stations in Community countries — Carried out and projected.- The European Community’s programme of research on the decommissioning of nuclear power plants: objectives, scope and implementation.- Factors to be considered in selecting a decommissioning strategy.- Session I - Radioactivity Inventories and Waste Arising.- by the Session Chairman.- Activation of biological shields.- Activation of steel components.- Estimation of radioactive waste quantities arising during decommissioning.- Methodology for evaluating radiological consequences of the management of very low-level solid waste.- Some examples of release of materials and sites, including measurement techniques.- Session II — Decontamination for Decommissioning Purposes.- by the Session Chairman.- Composition of contamination layers.- Chemical and electrochemical decontamination.- Decontamination of concrete, with particular reference to flame scarfing.- Specific decontamination methods: water lance, erosion by cavitation, application of gel-based decontaminants.- Factors to be considered in deciding Whether to decontaminate for unrestricted release.- Particular aspects of post-accident plant decontamination.- Session III — Dismaniling Techniques and Remote Operation.- by the session chairman.- Dismantling techniques for steel components.- Advanced cutting techniques: Laser and fissuration cutting 1. Fissuration cutting.- 2. Laser beam cutting.- Demolition of concrete structures.- Remote operation in decommissioning.- Session IV — Managment of Edecommissioning Waste.- by the Session Chairman.-Immobilization of contamination on metals and concrete.- Treatment of metal waste by melting.- Management and disposal of graphite waste.- Large transport containers for decommissioning waste.- Session V - Design Features Facilitating Decommissioning of Nuclear Power Plants.- by the Session Chairman.- Concepts aimed at minimizing the activation and contamination of concrete.- Reduction of exposure to radiation by substitution of Co alloys and reduction of the concentrations of Co, Nb and other companion elements in steel.- Review of plant design features facilitating decommissioning.- List of Participants.- Index of Authors.