Method for removing humic acids in water by using electron rays

An electron beam, humic acid technology, applied in chemical instruments and methods, water pollutants, light water/sewage treatment, etc., can solve the problem of removing humic acid secondary pollution in water, etc. The effect of eliminating oxygen consumption and reducing chemical oxygen consumption

Inactive Publication Date: 2015-03-11
TECHN PHYSICS INST HEILONGJIANG ACADOF SCI
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  • Summary
  • 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

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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 1: This embodiment is a method for removing humic acid from water by electron beams, which is carried out in the following steps:

[0016] A water pump is used to inject air into the natural water body containing humic acid, and 30L~60L of air per liter of natural water body are introduced for 30min~60min, and then the electron accelerator is used to continuously irradiate electron rays and electron rays into the natural water body. 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 the water, achieve the effect of a free radical promoter, and enhance the effect of radiation. Under the condition of achieving the same removal effect, the radiation dose of water is reduced, which can increase energy saving. Effective role.

[0018] This embodiment uses electron rays gen...

specific Embodiment approach 2

[0020] Specific embodiment two: this embodiment is different from specific embodiment one in that the electron beam irradiation energy is 0.8 MeV. Others are the same as the first embodiment.

specific Embodiment approach 3

[0021] Specific embodiment three: This embodiment is different from specific embodiment one or two in that the electron beam irradiation energy is 1 MeV. Others are the same as 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 of water treatment. Background technique [0002] The increasingly serious pollution of drinking water sources has begun to receive widespread attention. The large amount of natural organic matter in water, such as humic acid, is an important reducing organic matter in the water and is an important factor in today's drinking water problem. Humic acid is widely present in soil, sediment and water. It is the final product of the decomposition of animal and plant remains under anaerobic conditions in nature by microorganisms and chemical processes. Humic acid in natural water bodies comes from the low molecular weight components of soil humus, the decomposition of aquatic plants and lower plankton. Humic acid is the main component of organic matter in natural water. Generally, the concentration of humic acid in water sources is 10mg / L~15mg / L, accounting for about 50%~90% of the total organic matter in water. Humic acid in wa...

Claims

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Application Information

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Patent Type & Authority Patents(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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