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Carbon tetrachloride polluted water source treatment device and application thereof

A carbon tetrachloride and treatment device technology, applied in the field of water treatment, can solve the problems of less practical application, no industrial device, high use cost, etc., and achieve the effects of convenient operation and maintenance, easy construction and high conversion rate

Inactive Publication Date: 2014-11-26
XUZHOU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The photolysis of pollutants has been studied for more than ten years. Although it is simple, efficient and promising, the cost of use is too high, and there are few practical applications. There is no complete industrial device yet.

Method used

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  • Carbon tetrachloride polluted water source treatment device and application thereof
  • Carbon tetrachloride polluted water source treatment device and application thereof
  • Carbon tetrachloride polluted water source treatment device and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] Wash 20kg of river sand and dry it, pass a 60-mesh screen to obtain 0.25mm fine sand. Lay the fine sand on the bottom of the simulated soil layer box 2 with a thickness of 10cm; pass 60kg of matrix material soil through a 24-mesh screen Obtain fine soil with a particle size of 0.07mm, and pave the fine soil on the fine sand with a thickness of 30 cm; pass 60 kg of matrix material clay through a 5000-6000 mesh sieve to obtain fine clay with a particle size of 0.01-0.02 mm. The clay is laid on top of fine soil with a thickness of 30 cm.

[0072] A carbon tetrachloride solution with a concentration of 120 μg / L is prepared and injected into the water inlet tank 1 so that the water level is 70 cm higher than the fine clay.

[0073] The filler 13 is made of 100 mesh iron powder, 300 mesh coke powder, and 50 mesh copper powder, mixed according to the ratio of 1:0.5:0.05, adjusted by acid and alkali to set the pH to 10, and then loaded into the reaction well casing group 8 The temp...

Embodiment 2

[0077] As in Example 1, the others remain unchanged. The filler 13 uses 50 mesh iron powder, 300 mesh charcoal powder, and 10 mesh zinc powder, and mix them in a ratio of 1:1:0.01. Adjust the pH to 10 through acid-base adjustment, and then Load into the reaction well casing group 8, set the temperature of the reaction well to 9°C through the heating rod group 10, set the pH to 10 through acid-base adjustment, and turn on the water pump to form a circulating flow of water in the reaction well.

[0078] The removal rate of carbon tetrachloride in the carbon tetrachloride solution of this embodiment reached 90%.

Embodiment 3

[0080] As in Example 1, the others remain unchanged. The filler 13 is selected from 10 mesh iron powder, 500 mesh coconut shell charcoal powder, and 100 mesh lead powder, mixed in a ratio of 1:2:0.005, and the pH is set to 10 through pH adjustment. , Then put it into the reaction well casing group 8, set the temperature of the reaction well to 50°C through the heating rod group 10, set the pH to 7 through acid-base adjustment, and turn on the water pump to form a circulating flow of water in the reaction well.

[0081] The removal rate of carbon tetrachloride in the carbon tetrachloride solution of this embodiment reached 81%.

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Abstract

The invention provides a carbon tetrachloride polluted water source treatment device and application thereof. The device comprises a water inlet tank, a simulated soil layer tank and a water outlet tank, wherein the water inlet tank is connected with the simulated soil layer tank through a left partition; the simulated soil layer tank is connected with the water outlet tank through a right partition; the lower part of the left partition is provided with an influent water guide tube set; the influent water guide tube set is communicated between the simulated soil layer tank and the water outlet tank; and the inner side of the bottom of the simulated soil layer tank is vertically provided with a reaction well casing set. The treatment device provided by the invention can effectively remove the carbon tetrachloride pollutant in the water body, and can not generate secondary pollution.

Description

technical field [0001] The invention belongs to the field of water treatment, and in particular relates to a carbon tetrachloride polluted water source treatment device and application thereof. Background technique [0002] Carbon tetrachloride (CCl 4 , Carbon Tetrachloride) is a colorless transparent liquid with a special smell, very volatile. The specific gravity is 1.595, the melting point is -22.6°C, the boiling point is 76.8°C, and the relative density of water is 1.60 (the density of water is 1.0×10 3 kg / m 3 ), the density of relative air is 5.3 (the density of air is 1.205kg / m 3 , 20°C), saturated vapor pressure 13.33kPa (23°C), heat of combustion 364.9kJ / mol, critical temperature 283.2°C, critical pressure 45.58MPa. Carbon tetrachloride is slightly soluble in water and easily soluble in most organic solvents. Carbon tetrachloride has a solubility of 0.08% at 25°C. It is a commonly used fire extinguishing agent and an excellent solvent for paint, resin, rubber, ...

Claims

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Application Information

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IPC IPC(8): C02F1/70C02F1/28C02F1/58
Inventor 梁峙梁骁马捷崔子轩
Owner XUZHOU UNIV OF TECH
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