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Apparatus and operation method for quickly forming anammox particles using quorum sensing mechanism

A technology of anaerobic ammonium oxidation and quorum sensing, which is applied in chemical instruments and methods, anaerobic digestion treatment, water/sludge/sewage treatment, etc., to achieve simple implementation methods, improved bacterial activity, and large particle size Effect

Active Publication Date: 2016-09-07
BEIJING TANSI ENVIRONMENTAL PROTECTION TECHCO
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Problems solved by technology

Studies have shown that the presence of signal molecules contributes to the synthesis of EPS, microbial aggregation, biofilm and the formation of granular sludge, but there are few reports on the influence of signal molecules on the formation of anammox granular sludge

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  • Apparatus and operation method for quickly forming anammox particles using quorum sensing mechanism
  • Apparatus and operation method for quickly forming anammox particles using quorum sensing mechanism
  • Apparatus and operation method for quickly forming anammox particles using quorum sensing mechanism

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Embodiment Construction

[0037] The present invention will be described below in conjunction with specific examples:

[0038] In the present invention, Luria-Bertani (LB) medium is used to enrich and cultivate Pseudomonas fluorescens. After culturing for 48 hours at 28°C and culturing at 28°C for 48 hours, the secretory bacteria are in the logarithmic growth phase.

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Abstract

An apparatus and operation method for quickly forming anammox particles using a quorum sensing mechanism are related to the field of wastewater treatment. The invention is directed to an apparatus and operation method for quickly forming particulate sludge via anammox. The apparatus comprises a body reactor, a signal molecular generator, a spherical thin-shell rotary cover, a spherical screen, a manual rotating switch, a ball valve I, a ball valve II, a heating tape, and a temperature control probe. The signal molecular generator is added into the body reactor, signal molecules diffuse in the body reactor so that anammox flocculating sludge quickly forms particulate sludge, and the activity of anammox bacteria is significantly improved while the particulate sludge is formed. The method for implementation according to the invention is simple, has significant effect, is widely applicable to anammox sludge granulation and is effective in improving practical application of anammox process.

Description

Technical field [0001] The invention relates to a device and an operation method for rapidly forming anammox granular sludge, belonging to the field of sewage biological treatment. Background technique [0002] With the increasing development of sewage treatment technology, new treatment technology has gradually become a research focus. Anammox, as an ultra-efficient nitrogen removal technology, has attracted the attention of researchers. [0003] Anaerobic Ammonium Oxidation (Anaerobic Ammonium Oxidation, referred to as Anaerobic Ammonium Oxidation) is a biological denitrification reaction that uses ammonia as an electron donor to reduce nitrite to nitrogen. The microorganisms that can carry out anaerobic ammonia oxidation are called anaerobic ammonia oxidation. Oxymmonia oxidizing bacteria, the reaction equation is: [0004] NH 4 + +1.32NO 2 - +0.066HCO 3 - +0.13H + →1.02N 2 - +0.26NO 3 - +0.066CH 2 O 0.5 N 0.15 +2.03H 2 O [0005] Compared with the traditional nitrification-denit...

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Application Information

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IPC IPC(8): C02F3/28C02F3/34C02F101/16
CPCC02F3/28C02F3/2846C02F3/34C02F2101/16
Inventor 彭永臻张向晖贾方旭韩金浩王淑莹
Owner BEIJING TANSI ENVIRONMENTAL PROTECTION TECHCO
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