Nitrogen and phosphorus removal integrated biological aerated filter water purification system and water purification method thereof

A biological aerated filter, nitrogen and phosphorus removal technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problem of low phosphorus removal efficiency and achieve protection The effect of environment, saving resources and compact structure

Inactive Publication Date: 2013-07-10
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of low phosphorus removal efficiency in the above-mentioned biological aerated filter, and provide an integrated nitrogen and phosphorus removal biological aerated filter sewage treatment system and method

Method used

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  • Nitrogen and phosphorus removal integrated biological aerated filter water purification system and water purification method thereof
  • Nitrogen and phosphorus removal integrated biological aerated filter water purification system and water purification method thereof

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Experimental program
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Embodiment 1

[0017] Accompanying drawing is a kind of concrete embodiment of the present invention, and this embodiment comprises the regulating pool 1 of collecting sewage, regulating pool 1 enters vertical settling pond 5 through sewage pipe 3 through sewage metering pump 2, the mixing pool 17 of preparation coagulant , through the dosing metering pump 18 of coagulant, it is connected with the tubular static mixer 4, in the tubular static mixer, the coagulant and the sewage are fully mixed and enter the vertical sedimentation tank 5 through the sewage pipe 3, and then vertically The bottom of the vertical sedimentation tank is connected with a mud discharge pipe 16, and the water treated by the vertical sedimentation tank 5 enters the square biological aerated filter 6 through overflow, and the air distribution and water distribution area at the bottom of the square aeration tank is equipped with an aeration plate 12. The aeration pan is connected to the air compressor 10 through the aera...

Embodiment 2

[0021] The water purification system of the integrated biological aerated filter for nitrogen and phosphorus removal in this specific embodiment is the same as the integrated biological aerated filter for nitrogen and phosphorus removal in the first embodiment.

[0022] The difference between this water purification method and the water purification method in Embodiment 1 is that the air-to-water volume ratio of the aeration is 4:1.

Embodiment 3

[0024] The water purification system of the integrated biological aerated filter for nitrogen and phosphorus removal in this specific embodiment is the same as the integrated biological aerated filter for nitrogen and phosphorus removal in the first embodiment.

[0025] The difference between this water purification method and the water purification method in Embodiment 1 is that the air-to-water volume ratio of the aeration is 3:1.

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Abstract

The invention discloses a nitrogen and phosphorus removal integrated biological aerated filter water purification system and a water purification method thereof. The nitrogen and phosphorus removal integrated biological aerated filter water purification system is characterized in that a vertical sedimentation tank is positioned in a square biological aerated filter, the vertical sedimentation tank and the square biological aerated filter are connected in an overflow mode, the bottom of the biological aerated filter is connected with an aeration device, and a raw water inlet tube is provided with a dosing device. The water purification method comprises the following steps: 1, mixing raw water with a coagulant in a static mixer; 2, flocculating; 3, carrying out chemical sedimentation for phosphorus removal; 4, physically filtering and intercepting; 5, carrying out aerobic biological treatment to remove organic matters and nitrogen; and 6, discharging purified water. The sedimentation part and the biological aerated filter of the water purification system are integrated, and the treatment processes are mutually independent, so all stages in the water treatment do not influence each other, preset treatment effects of all the stages can be reached under the interaction of chemical sedimentation, physical filtration and biological oxidation, and the quality of discharged water is stable.

Description

technical field [0001] The invention relates to a sewage treatment system and a treatment method, which can be used for the water purification system and the water purification method for waste water treatment. Background technique [0002] The removal of nitrogen and phosphorus in sewage has attracted widespread attention, and the research on nitrogen and phosphorus removal is of great significance to the protection of water environment. At present, the nitrogen and phosphorus removal technologies of sewage treatment plants in my country generally have the disadvantages of high energy consumption, low efficiency and unstable operation. In view of this situation, it is necessary to study economical and effective denitrification and phosphorus removal processes and methods suitable for my country's national conditions, especially the development of the smallest COD oxidation, the lowest CO 2 Sustainable wastewater treatment technologies targeting release, minimal surplus slu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F1/52
Inventor 冯岩于衍真武长城高隆隆谭娟程磊周玉兴
Owner UNIV OF JINAN
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