SBR alternant aerobic/anaerobic technology for biological denitrification and real time control device and method thereof

A technology of biological denitrification and real-time control, applied in the field of control devices and biological denitrification of sewage, can solve problems such as reducing the nitrification reaction rate, and achieve the effects of improving treatment efficiency, saving operating costs, and reducing reaction time.

Inactive Publication Date: 2006-03-29
BEIJING TANSI ENVIRONMENTAL PROTECTION TECHCO
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Problems solved by technology

[0008] The purpose of the present invention is to propose a kind of SBR method alternating aerobic / anoxic biological denitrification process and real-time control device and method, solve ①, denitrification still needs to add the problem of chemical carbon source, ②, the nitrite concentration accumulates to To a certain extent, it will have an inhibitory effect on nitrous bacteria, thereby reducing the rate of nitrification reaction, ③, the problem of real-time control of the stability of the short-range nitrification process, ④, the problem of saving the amount of alkali added in the nitrification process

Method used

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  • SBR alternant aerobic/anaerobic technology for biological denitrification and real time control device and method thereof
  • SBR alternant aerobic/anaerobic technology for biological denitrification and real time control device and method thereof
  • SBR alternant aerobic/anaerobic technology for biological denitrification and real time control device and method thereof

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Embodiment 1

[0044] Example as figure 1 As shown, the operation procedure of the process of the present invention:

[0045] In the water inlet process a, first the wastewater to be treated enters the SBR reactor under the adjustment of the real-time control device, so that the activated sludge deposited at the bottom of the reaction tank boils and is fully mixed with the raw water. When the reactor is filled or reaches the specified liquid level Stop water injection and enter the first aeration process.

[0046] In the first aeration process b, turn on the blower for aeration and control the aeration volume to 0.6m 3 / h, the compressed air provided by the blower enters the aerator from the intake pipe, and efficiently supplies oxygen to the activated sludge mixture in the form of tiny bubbles, and makes the sewage and activated sludge fully contact, the purpose is to use the activated sludge Microorganisms degrade organic pollutants and complete short-range nitrification of nitrogen-containin...

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Abstract

The invention discloses a SBR alternant aerobic / anaerobic technology for biological denitrification and real time control device and method thereof which consists of, dividing the waste water to be treated into three portions, loading each portion into a reactor, alternatively carrying out the operating mode of aerobic aeration and anoxybiotic agitating under real time procedure control, so as to realize the organics degradation and nitrogen-containing compound removal.

Description

Technical field [0001] The invention relates to a sewage treatment process, control device and method, in particular to a sewage biological denitrification process, control device and method. Background technique [0002] SBR method is the abbreviation of batch activated sludge water treatment method. Its treatment device is connected to the inlet pipe, outlet pipe and sludge pipe by the SBR reaction tank. There is only one reaction tank, which covers a small area and is a conventional activated sludge. Mud process wastewater treatment process. However, due to incomplete nitrification in this activated sludge process, denitrification almost does not occur, and the total nitrogen removal rate is only between 10%-30%. For urban sewage and nitrogen-containing industrial wastewater, if the conventional activated sludge method is used for treatment, the effluent still contains a large amount of nitrogen and phosphorus, and the phenomenon of "eutrophication" of surface water bodies is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/30
Inventor 彭永臻高大文杨庆
Owner BEIJING TANSI ENVIRONMENTAL PROTECTION TECHCO
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