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A Treatise on Corrosion Science, Engineering and TechnologyElectrochemical Corrosion Evaluation of Materials for Use in Chemical Treatment of Radioactive Liquid Effluent

A Treatise on Corrosion Science, Engineering and Technology: Electrochemical Corrosion Evaluation... [Radioactive wastes are generated at different stages of nuclear fuel cycle operation. A well-planned waste management practice is followed for the protection of human beings and the environment. Low-level radioactive liquid waste is decontaminated using chemical precipitation process since it is a simple method in handling wastes and in turn reduces the man-rem exposure. Removal of radionuclide cesium (Cs) is carried out by copper ferrocyanide precipitation, while strontium (Sr) is removed by calcium phosphate precipitation. The process is carried out at a pH of 9.0–9.5 by adjusting the solution pH with NaOH. An electrochemical study was undertaken to evaluate the corrosion compatibility of various materials, viz. stainless steel, plain mild steel and epoxy coated mild steel for use with the above process. Potentiodynamic anodic polarization and impedance measurements were carried out at room temperature in NaCl, NaNO3 and K2SO4 (by-products of precipitation reaction) environments at a pH of 9.0, and the results are discussed in this paper.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Treatise on Corrosion Science, Engineering and TechnologyElectrochemical Corrosion Evaluation of Materials for Use in Chemical Treatment of Radioactive Liquid Effluent

Part of the Indian Institute of Metals Series Book Series
Editors: Kamachi Mudali, U.; Subba Rao, Toleti; Ningshen, S.; G. Pillai, Radhakrishna; P. George, Rani; Sridhar, T. M.
Suresh, Sumathi; Rangarajan, S.; Shanmugamani, A. G.; Sengadhir, Chitra; Paul, Biplob
A Treatise on Corrosion Science, Engineering and Technology — May 5, 2022
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Publisher
Springer Nature Singapore
Copyright
© The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2022
ISBN
978-981-16-9301-4
Pages
193 –203
DOI
10.1007/978-981-16-9302-1_11
Publisher site
See Chapter on Publisher Site

Abstract

[Radioactive wastes are generated at different stages of nuclear fuel cycle operation. A well-planned waste management practice is followed for the protection of human beings and the environment. Low-level radioactive liquid waste is decontaminated using chemical precipitation process since it is a simple method in handling wastes and in turn reduces the man-rem exposure. Removal of radionuclide cesium (Cs) is carried out by copper ferrocyanide precipitation, while strontium (Sr) is removed by calcium phosphate precipitation. The process is carried out at a pH of 9.0–9.5 by adjusting the solution pH with NaOH. An electrochemical study was undertaken to evaluate the corrosion compatibility of various materials, viz. stainless steel, plain mild steel and epoxy coated mild steel for use with the above process. Potentiodynamic anodic polarization and impedance measurements were carried out at room temperature in NaCl, NaNO3 and K2SO4 (by-products of precipitation reaction) environments at a pH of 9.0, and the results are discussed in this paper.]

Published: May 5, 2022

Keywords: Radioactive waste; Cesium; Strontium; Precipitation; Mild steel; Impedance and potentiodynamic anodic polarization

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