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Treatment device and method for jointly degrading oily sludge based on ozone oxidation and hydrogen peroxide

An ozone oxidation and treatment device technology, applied in water/sludge/sewage treatment, sludge treatment, biological sludge treatment, etc., can solve the problems of environmental pollution of oily sludge, inability to further degrade oily sludge, etc. The effect of moisture content

Pending Publication Date: 2020-09-29
LANZHOU UNIVERSITY OF TECHNOLOGY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the oily sludge treatment device proposed in this patent can reduce the discharge of oily sludge, it cannot further degrade the oily sludge, and the oily sludge produced will still cause certain pollution to the environment

Method used

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  • Treatment device and method for jointly degrading oily sludge based on ozone oxidation and hydrogen peroxide
  • Treatment device and method for jointly degrading oily sludge based on ozone oxidation and hydrogen peroxide
  • Treatment device and method for jointly degrading oily sludge based on ozone oxidation and hydrogen peroxide

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Embodiment 1

[0020] Such as Figure 1-3 As shown, the present invention discloses a treatment device for jointly degrading oily sludge based on ozone oxidation and hydrogen peroxide oxidation, including an ozone reaction generator 16 and a hydrogen peroxide reactor 21; wherein, the ozone reaction generator 16 includes an ozone reaction chamber, The top of the ozone reaction chamber is provided with an ozone exhaust outlet and a sludge inlet, and the middle part of the ozone reaction chamber is provided with an ozone filling port, and the ozone filling port and the uniformly distributed ozone discharge holes inside the ozone reaction chamber pass through the pipe Road docking; the bottom of the ozone reaction chamber is provided with a sludge discharge port;

[0021] The hydrogen peroxide reactor comprises a hydrogen peroxide reaction chamber 1, the inside wall of the hydrogen peroxide reaction chamber 1 is provided with an insulating layer 8, an agitator 2 and an air distribution screen 5 ...

experiment example

[0027] The experimental scheme that the present invention adopts is: scheme one: at first by cetyltrimethylammonium chloride (CTAC) as surfactant to make three-phase separation of oily sludge oil-water slag, investigate the effect of the addition of CTAC on oil-water slag separation Impact. With the help of SEM, etc., the principle of CTAC's efficient separation of oil and water slag was analyzed. Then first make ozone and hydrogen peroxide react to strengthen the generation of hydroxyl radicals in hydrogen peroxide, and further strengthen the oxidation of hydrogen peroxide. Finally, the returned activated sludge is passed into the aeration tank, aerated for about 6 hours, the returned sludge is passed into the secondary sedimentation tank for sedimentation, and the returned sludge is subjected to ozonation treatment, using the strong oxidizing properties of ozone to degrade microorganisms The cell wall and cell membrane, which are difficult to decompose and utilize, greatly ...

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Abstract

The invention discloses a treatment device for jointly degrading oily sludge based on ozone oxidation and hydrogen peroxide oxidation. The treatment device comprises an ozone reaction generator and ahydrogen peroxide reactor. Hexadecyl trimethyl ammonium chloride (CTAC) is used as a surfactant to perform three-phase separation on oil-water residues of the oily sludge for pretreatment, and then ozone oxidation and hydrogen peroxide oxidation are combined to oxidize and degrade the oily sludge. An ozone oxidation device is internally connected through a rubber pipe, and a valve is arranged at ajoint. The device provided by the invention can perform organic matter slow-release harmless treatment on the oily sludge, converts the sludge into organic fertilizer, realizes resource utilization of the sludge, integrates ozone oxidation and hydrogen peroxide oxidation treatment technologies, and is convenient to use and convenient for experimental application.

Description

technical field [0001] The invention relates to the technical field of oily sludge degradation, in particular to a technology and a degradation device for jointly degrading oily sludge based on ozone oxidation and hydrogen peroxide. Background technique [0002] Petrochemical sludge contains a large amount of crude oil. At present, the treatment methods of many units for oily sludge are simply dehydration and drying, or even simple open-air stacking or landfill, and treat it as waste; on the one hand, it pollutes the environment, On the other hand, the value in the sludge has not been effectively utilized; and the oily sludge is regarded as a dangerous solid waste. According to the regulations of our country, a sewage discharge fee of 1,000 yuan / t must be paid when it is discharged into the environment. The sludge is not appropriate. Processing has paid a huge economic price for this. This project proposes the use of surfactant pretreatment and the combination of H2O2 and o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/143C02F11/147C02F11/06C02F11/02C02F101/30C02F101/32C02F103/36
CPCC02F11/143C02F11/147C02F11/06C02F11/02C02F2101/30C02F2101/32C02F2103/365
Inventor 张惠宁罗振华刘泳利王少峰王梦娇尹鑫肖彦奎杨亚红胡家玮吴志国金禧周重任
Owner LANZHOU UNIVERSITY OF TECHNOLOGY