A purification, detection and purification device for uranium-contaminated groundwater

Abstract

The invention discloses a purification detection and purification device of uranium-polluted underground water. The purification detection and purification device comprises a uranium wastewater collection box, a pre-positioned spectrophotometry tester and a post-positioned spectrophotometry tester, wherein the upper end of the uranium wastewater collection box is communicated with a water outlet pipe and one end of the water outlet pipe is connected with a liquid inlet end of a peristaltic pump; a liquid outlet end of the peristaltic pump is communicated with one end of a first liquid inlet pipe; the other end of the first liquid inlet pipe is communicated with the liquid inlet end of a testing room of the pre-positioned spectrophotometry tester; the liquid outlet end of the testing room of the pre-positioned spectrophotometry tester is communicated with one end of a second liquid inlet pipe; the other end of the second liquid inlet pipe is communicated with the liquid inlet end of a permeable reaction wall active material purification device; the liquid outlet end of the permeable reaction wall active material purification device is communicated with one end of a middle liquid outlet pipe; the other end of the middle liquid outlet pipe is communicated with the liquid inlet end of a testing room of the post-positioned spectrophotometry tester. The purification detection and purification device of the uranium-polluted underground water is good in purification effect and long in service life, and can be used for detecting treated uranium wastewater.

Description

Technical field: [0001] The invention relates to the technical field of uranium sewage treatment, in particular to a purification, detection and purification device for uranium-contaminated groundwater. Background technique: [0002] With the rapid development of global nuclear energy, a large amount of radionuclides are released into the environment, causing great harm to groundwater and soil. The investigation by the National Nuclear Safety Administration shows that the radionuclides produced during the operation of nuclear power in my country have seriously polluted groundwater. To this end, the State Council promulgated and implemented the "Nuclear Power Medium and Long-term Development Plan (2005-2020)" and the "Nuclear Safety and Radioactive Pollution Prevention and Control "Twelfth Five-Year Plan" and 2020 Long-term Goals" (referred to as "Nuclear Safety Plan"), aiming to promote my country's nuclear energy development is safe, healthy and sustainable. [0003] Curre...

AI Technical Summary

Problems solved by technology

However Fe 0 - There are still many defects in the use of PRB technology: when ZVI in the wall interacts with radionuclides, the pH of the reaction system will increase and generate various insoluble corrosion products (iron (hydroxide) oxides) and Coexisting components in groundwater react to produce carbonates, sulfates and other precipitated substances that will cover the iron surface, which significantly reduces the reactive sites on the iron surface, reduces the reactivity, and shortens the service life of zero-valent iron.

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