Method for promoting phosphorus removal by stimulating periphyton through AHLs quorum sensing signal molecules and biological phosphorus removal system
A quorum-sensing signal, a technology of surrounding organisms, applied in chemical instruments and methods, biological water/sewage treatment, water pollutants, etc., can solve problems such as accelerating the growth of surrounding organisms, and achieve increased biodiversity, strong phosphorus abundance The effect of gathering ability and improving biological activity
Active Publication Date: 2020-09-15
INST OF SOIL SCI CHINESE ACAD OF SCI
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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
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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 for promoting phosphorus removal by stimulating periphyton through AHLs quorum sensing signal molecules and a biological phosphorus removal system, and belongs to thetechnical field of sewage treatment. In a periphyton culture stage and a sewage purification operation stage after culture is finished, AHLs quorum sensing signal molecules are added into a periphytonreactor so that quorum sensing which is crucial to periphyton formation is promoted, microorganism interspecific cooperation is promoted, and the activity of microorganisms is stimulated. An AHLs signal molecule mixture with a certain concentration and a certain proportion is added into theperiphyton reactor so that the fixed growth process of periphyton is accelerated, the biomass is improved, and the phosphorus removal capacity of a periphyton system is optimized. The method has the characteristics of simple process operation requirements, high stability, high treatment efficiency and low investment cost and is suitable for removing and capturing 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...
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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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