一、引言放射性沾污的材料的去污和重新利用是目前核设施退役工作中的一大课题,世界各国均十分重视这一工作,投入了大量人力物力进行去污方法的研究。这里介绍一种快速、安全有效的表面去污方法—氟利昂-113(下称F-113)去污法。二、F-113去污的基本原理 F-113在一个封闭的循环系统中快速、连续地在沾污表面流动,通过机械的和化学的过程清洗沾污的表面。去污循环系统将去污、溶剂净化以及溶剂的循环使用融为一 I. INTRODUCTION Decontamination and reuse of radioactively contaminated materials is a major issue in the decommissioning of nuclear facilities. All countries in the world attach great importance to this work and have devoted a great deal of manpower and resources to decontamination methods. Here is a quick, safe and effective method of surface decontamination - Freon -113 (F-113) decontamination method. F-113 Basic Principles of Decontamination The F-113 flies quickly and continuously over contaminated surfaces in a closed loop system, cleaning stained surfaces by mechanical and chemical processes. The decontamination cycle combines decontamination, solvent decontamination, and solvent recycling