Carbon tetrachloride separation system and process

A carbon tetrachloride, separation system technology, applied in aerobic process treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., to achieve the effect of improving separation efficiency, increasing contact area, and improving treatment efficiency

Inactive Publication Date: 2015-06-24
XUZHOU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0026] The purpose of the patent of the present invention is to provide a kind of carbon tetrachloride separation system and its separation for the carbon tetrachloride-containing underground wat

Method used

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  • Carbon tetrachloride separation system and process
  • Carbon tetrachloride separation system and process
  • Carbon tetrachloride separation system and process

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Such as figure 1 Shown, for the carbon tetrachloride separation system schematic diagram that the present invention provides, as can be seen, comprise the bottom that contains S-type biochemical tank 12 and the top that has shower nozzle 17, wherein S-type biochemical tank 12 inside is provided with porous exposure The air head 2 and the steam nozzle 11, the porous aeration head 2 is arranged on the air pipe, the steam nozzle 11 is arranged on the steam pipe, the spray nozzle 17 is arranged on the spray pipe, and the spray pipe is used to input the liquid to be separated, S One end of the type biochemical tank 12 is provided with an outlet pipe 18 . The S-shaped biochemical tank 12 is formed by dislocation arrangement of a plurality of grids 7 .

[0053] In this embodiment, the air pipeline is divided into the air main pipeline 6 and the air sub-pipe 1, wherein the number of the air sub-pipe 1 is more than one, the air main pipeline 6 is connected to all the air sub-pi...

Embodiment 2

[0065] In order to test the rationality of the design and achieve the best treatment effect, the above-mentioned carbon tetrachloride separation system is used to conduct an orthogonal test on the removal rate of carbon tetrachloride and the influencing factors to test the rationality of the design and the best operating parameters. authenticating,

[0066] The test results are as follows:

[0067] 1. Effect of temperature on carbon tetrachloride removal

[0068] In the simulated carbon tetrachloride separation system, the concentration of carbon tetrachloride added is 20 μg / L, the temperature of the simulated system is controlled at 40°C, 50°C, and 60°C, and the removal rate of carbon tetrachloride under each temperature condition is recorded, such as Figure 5 As shown, it is the characteristic curve of the removal of carbon tetrachloride by the above system, and the change curve of the removal rate of carbon tetrachloride and time reflects and expresses the relationship be...

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Abstract

The invention discloses a carbon tetrachloride separation system and process. The separation system comprises a bottom part containing an S-shaped biochemical tank and a top part with a spraying nozzle, wherein a porous aeration head and a steam nozzle are arranged inside the S-shaped biochemical tank; the porous aeration head is arranged on an air pipe, the steam nozzle is arranged on a steam pipe, the spraying nozzle is arranged on a spraying pipe, and the spraying pipe is used for inputting liquid to be separated. According to the separation process, the ventilation volume is controlled to be 80L/min, the water level is 80cm, the temperature is 60 DEG C and the aeration time is 2h. The carbon tetrachloride separation system and the process have the characteristics of high environmental protection, high resource utilization rate, high processing effect, strong impact resistance and full-automatic control.

Description

technical field [0001] The invention belongs to an environmental protection treatment technology, relates to the field of treatment of high-concentration organic carbon tetrachloride-containing underground water, in particular to a carbon tetrachloride separation system and a separation process thereof. Background technique [0002] Carbon tetrachloride (CCl 4 ) is a synthetic low-boiling organic chlorinated hydrocarbon (specific gravity 1.591g / cm 3 , boiling point 77°C), slightly soluble in water. Foreign studies have shown that carbon tetrachloride is a typical liver poison. When it is in high concentration, it will first affect the central nervous system, and then affect the liver and kidney. It has persistence, long-term residue and bioaccumulation in the environment, so since 1979 it has been listed by the U.S. EPA as a "priority control pollutant in groundwater containing carbon tetrachloride", and it has also been listed as 68 kinds of pollutants in my country. Prio...

Claims

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Application Information

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IPC IPC(8): C02F3/02C02F101/36C02F103/06
CPCC02F1/00C02F1/04C02F1/12C02F2101/36C02F2103/06Y02W10/10
Inventor 梁峙梁骁庄旭马捷
Owner XUZHOU UNIV OF TECH
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