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A device and operation method for rapidly 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 improve the activity of anammox bacteria, the activity of bacteria, and the formation particle fast effect

Active Publication Date: 2018-09-04
BEIJING TANSI ENVIRONMENTAL PROTECTION TECHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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

Method used

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  • A device and operation method for rapidly forming anammox particles using quorum sensing mechanism
  • A device and operation method for rapidly forming anammox particles using quorum sensing mechanism
  • A device and operation method for rapidly forming anammox particles using quorum sensing mechanism

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Embodiment Construction

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

[0038] The present invention uses a Luria-Bertani (LB) medium to enrich and cultivate Pseudomonas fluorescens. After culturing at 28°C for 48 hours, the secretory bacteria were in the logarithmic phase of growth after taking the bacterial solution and culturing at 28°C for 48 hours.

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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 anaerobic ammonium oxidation granular sludge, belonging to the field of sewage biological treatment. Background technique [0002] With the increasing development of sewage treatment technology, new treatment processes have gradually become a research hotspot. As an ultra-efficient denitrification technology, anaerobic ammonium oxidation 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. For ammonia 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-denitrification denitrification process, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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