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Method for removing humic acids in water by using electron rays

A technology of electron ray and humic acid, which is applied in the direction of chemical instruments and methods, water pollutants, light water/sewage treatment, etc., can solve the problem of removing humic acid secondary pollution in water, so as to improve water quality and human health, chemical The effect of reducing oxygen consumption and eliminating chroma

Inactive Publication Date: 2014-02-05
TECHN PHYSICS INST HEILONGJIANG ACADOF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to solve the problem of secondary pollution in the process of removing humic acid in water existing in the existing method for removing humic acid in water, and provides a method for removing humic acid in water with electron beams

Method used

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  • Method for removing humic acids in water by using electron rays
  • Method for removing humic acids in water by using electron rays
  • Method for removing humic acids in water by using electron rays

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specific Embodiment approach 1

[0015] Specific embodiment one: In this embodiment, a method for removing humic acid in water by electron beams is carried out according to the following steps:

[0016] Use a water pump to inject air into the natural water body containing humic acid, and inject 30L-60L of air per liter of natural water body for 30min-60min, and then use an electron accelerator to continuously irradiate the natural water body with electron rays. The irradiation energy is 0.5MeV-3MeV, the electron beam irradiation dose is 5kGy-50kGy, and the concentration of the humic acid is 10mg / L-40mg / L;

[0017] The purpose of introducing air in this embodiment is to increase the oxygen content in water, to achieve the effect of free radical promoter, to enhance the effect of irradiation, and to reduce the irradiation dose of water under the condition of achieving the same removal effect, so as to save energy and increase energy consumption. effect.

[0018] In this embodiment, the electron ray generated b...

specific Embodiment approach 2

[0020] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the irradiation energy of the electron ray is 0.8 MeV. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0021] Embodiment 3: This embodiment is different from Embodiment 1 or Embodiment 2 in that: the energy of electron beam irradiation is 1 MeV. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a method for removing humic acids in water by using electron rays, relating to a water treatment method and aiming to solve the problem of secondary pollution caused in the process of removing humic acids in water by using the traditional method for removing humic acids in water. The method comprises the steps of introducing air to a natural water with humic acids by using a water pump, and then, continuously irradiating the electron rays into the natural water by using an electron accelerator. According to the invention, the electron rays react with water molecules to generate various active free radical particles, then, the active free radical particles are subjected to oxidation reduction reaction with humic acids in water to degrade the molecules of humic acids into micromolecular substances, and any other substances are not needed to be treated, so that secondary pollution is avoided. The method is used for removing humic acids in water.

Description

technical field [0001] The invention relates to a method for water treatment. Background technique [0002] The increasingly serious pollution of drinking water sources has begun to attract people's attention. A large amount of natural organic matter in water, such as humic acid, is an important reducing organic matter in water, and it is an important factor causing today's drinking water problems. Humic acid widely exists in soil, sediment and water, and is the final product of animal and plant debris decomposed by microorganisms and chemical processes under natural anaerobic conditions. Humic acid in natural water comes from the low molecular weight components of soil humus and the decomposition of aquatic plants and lower plankton. Humic acid is the main component of organic matter in natural water bodies. The concentration of humic acid in general water sources is 10mg / L-15mg / L, accounting for about 50%-90% of the total organic matter in water. Humic acid in water has ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/30C02F101/34
Inventor 梁宏斌张玉宝斯琴图雅王强
Owner TECHN PHYSICS INST HEILONGJIANG ACADOF SCI
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