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Tanning wastewater gas deodorization system and method

A technology for tanning wastewater and gas, applied in separation methods, chemical instruments and methods, air quality improvement and other directions, can solve the problems of unfavorable popularization and application, secondary pollution, high cost, and achieve easy removal, easy replacement, and increased contact area effect

Active Publication Date: 2017-07-18
河南博奥皮业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current wastewater odor treatment system is relatively simple, and the odor is mostly eliminated by adding a large amount of chemicals. The cost is high, and a large amount of secondary pollution will be generated, which is not conducive to popularization and application.

Method used

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  • Tanning wastewater gas deodorization system and method
  • Tanning wastewater gas deodorization system and method
  • Tanning wastewater gas deodorization system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1, such as figure 1 The gas deodorization system for tannery wastewater shown includes an ozone generator, an odor collection device, a chemical deodorizer, a biological deodorizer, a washing liquid tank, a circulating water tank, a supplementary tank and a discharge tower. The ozone outlet of the ozone generator is The gas port is connected to the odor collection device through a pipeline, so that the prepared ozone is passed into the odor collection device for preliminary purification through the strong oxidizing property of ozone. The gas outlet of the odor collection device is sequentially connected with a chemical deodorization device, a biological deodorization device, and a discharge tower, so that the odor is purified by chemical methods and biological methods in sequence, and finally the odor is discharged through the discharge tower. A fan is connected between the biological deodorization device and the discharge tower, and the gas is sucked into the d...

Embodiment 2

[0032] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the washing liquid used is a mixture of liquid alkali and water, and the formula of liquid alkali and water is determined according to the pH value of the final discharged treatment liquid. By adjusting the liquid The ratio of alkali and water keeps the pH value of the treatment liquid at 7.

Embodiment 3

[0033] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the washing liquid used is a mixture of liquid alkali and water, and the formula of liquid alkali and water is determined according to the pH value of the final discharged treatment liquid. By adjusting the liquid The ratio of alkali and water keeps the pH value of the treatment liquid at 9.

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Abstract

The invention discloses a method and a system for deodorizing tannery wastewater. The system comprises an ozone generation device, an odor collection system, a chemical deodorizing device, a biological deodorizing device, a scrubbing solution pool, a circulation water tank and a discharging tower. An ozone outlet of the ozone generation device is connected with the odor collection system through a pipeline, and the chemical deodorizing device, the biological deodorizing device and the discharging tower are sequentially connected to an odor outlet of the odor collection device. The upper portion of the chemical deodorizing device is connected with the scrubbing solution pool through a circulation water pump. The upper portion of the biological deodorizing device is connected with the circulation water tank through a pump body, and a fan is connected with the discharging tower and the biological deodorizing device. The method for deodorizing the tannery wastewater sequentially includes the steps of ozone preparation, preliminary reaction, odor collection, pretreatment, treatment and discharging. By the method and the system for deodorizing tannery wastewater, odor molecules in air can be completely purified to prevent atmospheric pollution. In addition, the system has the advantages of compact and novel structure, small floor space and suitableness for popularization and application.

Description

technical field [0001] The invention belongs to the field of wastewater deodorization, and in particular relates to a gas deodorization system and method for tannery wastewater. Background technique [0002] During the process of treating the waste water produced in the factory area by the wastewater treatment station of the tannery, because the wastewater contains a large amount of odorous organic compounds, odors will be generated in the grit chamber and the comprehensive wastewater mediation tank. These odorous gases are mainly some volatile organic compounds (VOCs), Sulfur compounds, nitrogen compounds, etc., such as mercaptans, sulfides, hydrogen sulfide, etc., are highly irritating and can enter the human body through different channels such as the respiratory tract, eyes, and skin, making people dizzy and uncomfortable. severe nervous system damage. Therefore, practical measures must be taken to purify grit chambers and comprehensive wastewater mediation ponds to imp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/75B01D53/84B01D53/48B01D53/52B01D53/54B01D53/44C02F1/78
CPCY02A50/20
Inventor 石建华王礼民韩世品申子广申祥马慧勤马太伟
Owner 河南博奥皮业有限公司
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