Oxidation decontamination gel as well as preparation method and application thereof

A technology for decontamination gel and gel, applied in the field of oxidative decontamination gel and its preparation, can solve problems such as multiple secondary liquid wastes and the like, and achieve the effects of intuitive decontamination results, easy identification, and convenient application.
CN112760659AActive Publication Date: 2021-05-07CHINA INST FOR RADIATION PROTECTION
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHINA INST FOR RADIATION PROTECTION
Publication Date
2021-05-07

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Abstract

The invention belongs to the technical field of radioactive decontamination, and relates to oxidation decontamination gel as well as a preparation method and application thereof. The oxidation decontamination gel is prepared from the components including, by weight, 5%-15% of a gel base material serving as a gel framework material, 5%-10% of a surfactant, 0.5%-5% of a thixotropic multiplication agent, 3%-20% of a strong oxidant, 3%-20% of acid, 1%-5% of a modifier and 25%-82.5% of water. By means of the oxidation decontamination gel as well as the preparation method and application thereof, the oxidation decontamination gel can be better prepared, the prepared oxidation decontamination gel is the oxidation gel for decontamination of second-generation radioactive contaminated metal, water washing is not needed after decontamination is completed, the residual oxidation decontamination gel can be automatically dried and cracked, and a brush is conveniently used for cleaning, or a dust collector is used for sucking and collecting the gel, so that secondary liquid waste is not generated in the decontamination process, and the gel is more suitable for field decontamination.
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Description

technical field

[0001] The invention belongs to the technical field of radioactive decontamination, and relates to an oxidative decontamination gel and its preparation method and application. Background technique

[0002] After decades of development, my country's nuclear industry has produced a huge amount of radioactively polluted metals. Deep decontamination of radioactively contaminated metals reduces their surface contamination levels, helping to reduce the amount of contaminated metals while protecting radiation workers from less exposure.

[0003] Oxidizing substances have a corrosive effect on metals. Therefore, in the field of radioactive decontamination, strong oxidizing substances can be used to corrode the metal surface to achieve the removal of radioactive substances. Oxidizing substances commonly used for this purpose include high-valent silver ions, high-valent cerium ions, and high-valent cobalt ions.

[0004] Commonly used oxidative decontamination methods...

Claims

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