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A kind of 1,2-dichloropropane separation system and its separation process

A dichloropropane and separation system technology, which is applied in heating water/sewage treatment, polluted groundwater/leachate treatment, mechanical oscillation water/sewage treatment, etc., can solve the problem of poor pollutant treatment effect and high energy consumption of equipment , complex geological structure and other issues, to achieve the effects of increasing contact time, high treatment efficiency, and improving treatment efficiency

Inactive Publication Date: 2016-08-31
XUZHOU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] However, due to the complex geological structure, when the injected air encounters a complete rock formation zone, a loose broken zone or a curved deformation zone, it is difficult for the injected air carrying volatile organic compounds to penetrate the above-mentioned geological structure, and when the injected air meets the above-mentioned geological structure, the air Large resistance will greatly increase the energy consumption of the equipment
It is even less effective for pollutants that are neither volatile nor biodegradable

Method used

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  • A kind of 1,2-dichloropropane separation system and its separation process
  • A kind of 1,2-dichloropropane separation system and its separation process
  • A kind of 1,2-dichloropropane separation system and its separation process

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Experimental program
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Effect test

Embodiment 1

[0051] like figure 2 As shown, it is a three-dimensional schematic diagram of the 1,2-dichloropropane treatment system provided by the present invention, it can be seen that it includes the bottom of the oscillating surge pool 8 and the top with the spray nozzle 3, wherein the inside of the oscillating surge pool 8 The setting is divided into a plurality of oscillating surge passages by a plurality of partitions 12, and the multiple oscillating surge passages are arranged in parallel and dislocated, and the head and tail are connected to form an S-shaped channel. One end of each oscillating surge tunnel is provided with an oscillating surge device, and the oscillating surge device is composed of an oscillating surge plate 10 and a reciprocating rod 11 that are slidably connected; A water outlet pipe 7 is provided.

[0052] The top spray system is connected with the bottom oscillating surge pool 8 through the return pipe 5 arranged on one side of the water outlet pipe 7 at th...

Embodiment 2

[0067] In order to test the rationality of the design and make it achieve the best treatment effect, an orthogonal test was carried out on the 1,2-dichloropropane removal rate test and the influencing factors through the above 1,2-dichloropropane separation system. The test results are as follows:

[0068] 1. The effect of the shock surge plate stroke on the removal of 1,2-dichloropropane

[0069] In the simulated 1,2-dichloropropane separation system, add 1,2-dichloropropane with a concentration of 100 μg / L, control the stroke of the oscillating surge board in the simulated system to 400mm, 500mm, and 600mm, and record the stroke conditions of each oscillating surge board, 1 ,2-dichloropropane removal rate, such as Image 6As shown, it is the characteristic curve of the above system for 1,2-dichloropropane removal. The change curve of 1,2-dichloropropane removal rate and time reflects and expresses the 1,2-dichloropropane removal rate and time. relation. The ordinate is th...

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Abstract

The invention discloses a 1,2-dichloropropane separation system and separation technique. The separation system comprises a bottom with vibration surge tanks and a top with a nozzle head, wherein a water channel is divided into the plurality of vibration surge tanks by the tank body. The separation technique is implemented in a way that: under the action of the vibration surge tanks, 1,2-dichloropropane-containing underground water flows according to a S-shaped route; the reflux quantity is controlled at 80 m<3> / minute, the water level is controlled at 80cm, the vibration surge period is controlled at 20 times / minute, and the vibration surge plate stroke is controlled at 600mm; and a continuous spray mode is adopted. The separation technique has the characteristics of high environment friendliness, high resource utilization ratio, high treatment effect and high impact resistance, and implements full-automatic control.

Description

technical field [0001] The invention belongs to an environmental protection treatment technology, and relates to the field of treatment of groundwater containing 1,2-dichloropropane, in particular to a 1,2-dichloropropane separation system and a separation process thereof. Background technique [0002] 1,2-Chloropropane (ClCH 2 CHClCH 3 ) is a synthetic low-boiling organic chlorinated hydrocarbon, which is a colorless liquid with a chloroform-like odor. Relative density (water=1) 1.16, refractive index 1.4388, molecular weight 112.99, vapor pressure 5.33kPa, slightly soluble in water, easily soluble in ether, and miscible with most organic solvents. The solubility of 1,2-chloropropane in water at 20°C is 0.26% by weight, and the azeotrope of the binary azeotrope of 1,2-chloropropane containing water (1,2-chloropropane is 89.6%) is 78.4°C. [0003] The vadose zone is an important channel connecting the surface soil and aquifers, and plays a certain "barrier" role in contr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/34C02F1/74C02F1/04C02F101/36C02F103/06
Inventor 梁峙梁骁马捷刘喜坤庄旭
Owner XUZHOU UNIV OF TECH
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