Novel partial-nitrosation anaerobic ammoxidation integrated reactor

An anammox and reactor technology, applied in anaerobic digestion treatment, chemical instruments and methods, water pollutants, etc., can solve the problems of anammox bacteria denitrification effect, reoxygenation and other problems

Inactive Publication Date: 2014-07-02
SUZHOU UNIV OF SCI & TECH
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Problems solved by technology

The application of it in nitrification-anammox mainly highlights the following problems: (1) Due to the strong adaptability of nitrifying bacteria, placing nitrosifying bacteria in the reactor alone for cultivation can easily cause the growth of nitrifying bacteria, thereby Affect the long-term and stable operation of the nitrification effect; (2) Since anammox bacteria are strictly anaerobic bacteria, and nitrosative bacteria are aerobic bacteria, they are placed in a single reactor. , dissolved oxy

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  • Novel partial-nitrosation anaerobic ammoxidation integrated reactor

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Embodiment Construction

[0019] The present invention will be further described below with reference to the accompanying drawings and examples.

[0020] The invention proposes a novel partial nitrosation integrated anaerobic ammonium oxidation reactor. refer to figure 1 As shown, a new type of partially nitrosated anammox reactor includes a main reaction zone, an upper three-phase separator 6 and an airlift chamber 11. The inside of the main reaction zone is a sludge fluidization zone 3, The middle biofilm area 4, the upper biofilm area 5, the outside of the main reaction area are the bottom water inlet 2, the air inlet 12, and the upper water outlet 14 from bottom to top; the interior of the three-phase separator 6 area includes from bottom to top The biofilm 5 area and the gas collection chamber 7, the outside of the three-phase separator 6 area is a sedimentation area; the reactor sludge fluidization area is provided with a driving device 1; the outside of the reactor body is provided with an air ...

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Abstract

The invention discloses a novel partial-nitrosation anaerobic ammoxidation integrated reactor which comprises a main reaction area, an upper three-phase separator and an air ascending chamber, wherein the main reaction area is internally sequentially provided with a sludge fluidization area, a middle biomembrane area and an upper biomembrane area from bottom to top, and the main reaction area is externally sequentially provided with a bottom water inlet, an air inlet and an upper water outlet from bottom to top; a three-phase separator area internally sequentially comprises a biomembrane area and an air collecting chamber from bottom to top; and the three-phase separator is externally provided with a sediment area. The novel partially-nitrosation anaerobic ammoxidation integrated reactor disclosed by the invention can realize the subarea culture of nitrosation and anaerobic ammoxidation in a single reactor, thereby preventing the influence of certain environment factors on anaerobic ammoxidation bacteria and nitrosation bacteria; and the novel partially-nitrosation anaerobic ammonia oxidation integral reactor realizes the combination of various areas through a self-reflux function, thereby realizing the denitrification of wastewater autotrophs.

Description

technical field [0001] The invention relates to a novel partial nitrosation anaerobic ammonia oxidation integrated reactor. Background technique [0002] In recent years, as a new type of biological denitrification technology, anaerobic ammonium oxidation has been favored by many researchers because of its high denitrification efficiency and low treatment cost. Anaerobic ammonium oxidation refers to the process in which anammox bacteria use ammonia nitrogen as an electron donor and nitrous nitrogen as an electron acceptor to perform a biological reaction under anaerobic conditions and convert it into nitrogen. This process does not require oxygen and organic carbon sources, greatly reducing power and energy consumption. However, anaerobic ammonium oxidation requires nitrite as a substrate, and the ammonia nitrogen in wastewater needs to be partially nitrosated before anaerobic ammonium oxidation reaction. However, there are some differences in physiological characteristics...

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Application Information

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IPC IPC(8): C02F3/28C02F101/16
Inventor 黄勇李祥袁怡李勇潘杨李大鹏李雪艳
Owner SUZHOU UNIV OF SCI & TECH
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