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Ahls-like quorum-sensing signal molecules stimulate periplexus organisms to enhance phosphorus removal method and biological phosphorus removal system

A technology of quorum sensing signal and surrounding organisms, applied in chemical instruments and methods, biological water/sewage treatment, water pollutants, etc. , the effect of improving biological activity

Active Publication Date: 2021-10-15
INST OF SOIL SCI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the efficiency of the existing biological phosphorus removal technology needs to be improved, to provide a kind of Zhoucong biology as the technical core, and to develop a kind of AHLs quorum sensing signal with a certain mixed formula through human intervention quorum sensing The method of purifying sewage by adding molecules into the periplex biological system to strengthen the biological phosphorus removal process, the present invention can accelerate the growth of periplex organisms, increase the output of extracellular polymers, promote the transformation of organic phosphorus, and strengthen the phosphorus in wastewater treatment removal for better phosphorus recovery

Method used

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  • Ahls-like quorum-sensing signal molecules stimulate periplexus organisms to enhance phosphorus removal method and biological phosphorus removal system
  • Ahls-like quorum-sensing signal molecules stimulate periplexus organisms to enhance phosphorus removal method and biological phosphorus removal system
  • Ahls-like quorum-sensing signal molecules stimulate periplexus organisms to enhance phosphorus removal method and biological phosphorus removal system

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Embodiment 1

[0034] Such as figure 1 As shown, a biological phosphorus removal system includes a water inlet device, a surrounding bioreactor 13 and a sedimentation device connected in sequence through pipelines. The water inlet device includes a water inlet pool 12, one end of the water inlet pool 12 is connected with the AHLs class quorum sensing signal molecule dosing pump 4, and the other end is connected with the surrounding bioreactor through the water inlet pipeline 1 and the water inlet constant flow pump 5. 13 are connected; the surrounding clump bioreactor 13 comprises a water tank, made of hollow transparent material (for example, polyethylene, plexiglass), and the described water tank is provided with a barbed wire 10 with a multi-layer spacing of 10-14cm. On the barbed wire 10, there are surrounding clumps of biological carriers 9, and the surrounding clumps of organisms grow and fix on the surrounding clumps of biological carriers 9; when the distance between each layer of su...

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Abstract

The invention discloses a method and a biological phosphorus removal system for stimulating surrounding organisms to enhance phosphorus removal by AHLs quorum sensing signal molecules, and belongs to the technical field of sewage treatment. The present invention adds AHLs-like quorum sensing signal molecules to the surrounding bioreactor during the stage of cultivating the surrounding organisms and the stage of sewage purification after the cultivation, so as to promote the quorum sensing that is crucial to the formation of the surrounding organisms and promote the interspecies of microorganisms. Collaborate and stimulate the activity of microorganisms. Adding a certain concentration and a certain proportion of AHLs signal molecule mixture to the periplex bioreactor accelerated the process of periconse biofixation growth, increased the biomass, and optimized the phosphorus removal capacity of the periconse biological system. This method has the characteristics of simple process operation requirements, high stability, high treatment efficiency, and low input cost, and is suitable for the removal and capture of phosphorus in high-concentration phosphorus sewage.

Description

technical field [0001] The invention relates to a method for stimulating surrounding organisms to enhance phosphorus removal by AHLs quorum sensing signal molecules and a biological phosphorus removal system, belonging to the technical field of sewage treatment. Background technique [0002] With the development of my country's economy, the process of industrialization and urbanization is accelerating, and the damage to the ecological environment is increasing. The phosphorus pollution of the water environment and the eutrophication of the water body are becoming more and more serious. Water pollution has become a serious problem that endangers the earth's ecology and restricts human economic and social development. question. According to the "Pollutant Discharge Standards for Urban Sewage Treatment Plants" (GB18918-2002) promulgated by our country, the discharge limit value of total phosphorus is divided into three levels, and the first level is divided into A standard and B...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F3/34C02F101/30
CPCC02F1/5281C02F3/02C02F3/342C02F3/347C02F9/00C02F2001/007C02F2101/30C02F2209/02C02F2209/08C02F2209/18C02F2209/22C02F2303/04C02F2305/06
Inventor 吴永红徐滢王思楚李云驹常纪文张建红
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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