Method and device for removing bromate in water

A bromate and water removal technology, which is applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., can solve problems such as complex process, unstable effect, and non-compliance with the process requirements of bottled mineral water, etc., to achieve treatment The effect of simple process

Inactive Publication Date: 2009-11-25
余建军
8 Cites 7 Cited by

AI-Extracted Technical Summary

Problems solved by technology

However, the gas dosing process in the production water process is complicated, which increases the cost of water production, and can only inhibit the formation of bromate, but cannot completely block its production. The generated bromate can be adsorbed by suitable activated carbon , but the disadvantage is that a specific activated carbon must be selected, and the activated carbon treatment is easily affected by factors such as the PH value and water temperature of the tre...
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Abstract

The invention relates to a method and a device for removing the bromate in water, which is characterized by radiating the water by ultraviolet with the wavelength between 150-250 nm, and is particularly suitable for the natural water production that the water is radiated by the ultraviolet with the wavelength between 150-240 nm and then the bromate in water is measured not more than 0.01 mg/L. Compared with the prior art, the method is more simple, adds an ultraviolet radiation technology before filling the natural mineral water, restrains the bromate content in water, maintains the ozone residual effect in filling, does not change the raw water quality such as pH value and needs any processing medicament.

Application Domain

Technology Topic

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  • Method and device for removing bromate in water
  • Method and device for removing bromate in water
  • Method and device for removing bromate in water

Examples

  • Experimental program(7)

Example Embodiment

[0028] Example 1: see figure 1 ,3 , Inside a closed 304# stainless steel tube 1 with an inner diameter of 123mm and a length of 1000mm, multiple KrCl with a wavelength of 222nm * Excimer lamp tube 2, the inner wall is polished into a mirror surface, the distance between the lamp tube and the inner wall of the lamp tube and the stainless steel tube cavity is not more than 15mm, the high-frequency high-voltage power supply for the excimer ultraviolet lamp 3, through the silicon rubber wire 4 directions The power supply of the molecular lamp 2 is 1400W. The treated water (drinking natural mineral water sterilized by ozone) enters from the inlet 5, and is discharged through the water outlet 6, with a flow rate of 100L/min. The bromate concentration before the detection treatment was 0.51mg/L, and the bromate concentration in the water after treatment was lower than the minimum detection limit of 0.005mg/L by the ion chromatographic detector used. It could not be detected, and the ozone still kept the required margin.

Example Embodiment

[0029] Embodiment 2: As in embodiment 1, the light source is KrBr with a wavelength of 207nm * Excimer lamp, the detection has similar results, and the ozone concentration is basically unchanged before and after treatment.

Example Embodiment

[0030] Embodiment 3: As in embodiment 1, the light source is KrBr with a wavelength of 190nm * Excimer lamp, the detection has similar results, and the ozone concentration is basically unchanged before and after treatment.
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Description & Claims & Application Information

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