Sequence-batch-type adsorption aerating filter and vertical flow artificial wetland coupling device and application thereof

A technology of constructed wetland and aeration filter, applied in the field of coupling devices, can solve the problems of high operating cost, secondary sludge, low resource recycling rate, etc., and achieve good application prospects, stable effluent quality, and reduced energy consumption. Effect

Inactive Publication Date: 2016-06-22
BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The amount of sewage in our country is relatively large, and the resource reuse rate is low. At present, most of the traditional activated sludge methods are adopted, such as oxidation ditch, A / O, A 2 / O, etc. These methods have high energy consumption and produce secondary sludge, which not only has high operating costs, but also high subsequent management and maintenance costs. Although the effluent water quality indicators can meet my country's current "Pollutant Discharge Standards for Urban Sewage Treatment Plants" GB18918 -2002 requirements
However, in the face of increasingly stringent effluent indicators for urban sewage treatment and the ever-changing trend of energy-saving sewage treatment technologies, conventional treatment methods have been difficult to meet the above requirements

Method used

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  • Sequence-batch-type adsorption aerating filter and vertical flow artificial wetland coupling device and application thereof

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Experimental program
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Effect test

Embodiment 1

[0044] like figure 1 As shown, the coupling device of the sequence batch adsorption aeration filter of the present invention and the vertical flow constructed wetland includes: a concentration pool 1, a WAR reactor 2, a heat exchanger 10, a PACT pool 3, an ammonia nitrogen aeration biosorption filter pool 4, sewage return pool 5, deep phosphorus adsorption filter pool 7 and vertical flow constructed wetland 8; wherein, the concentration pool 1 is connected to the WAR reactor 2, and the WAR reactor 2 is connected to the heat exchanger 10 , the heat exchanger 10 is connected to the PACT pool 3, the PACT pool 3 is respectively connected to the concentration pool 1 and the ammonia nitrogen aerated biosorption filter 4, and the ammonia nitrogen aerated biosorption filter 4 is respectively connected to The sewage return pool 5 and the deep phosphorus adsorption filter 7, the deep phosphorus adsorption filter 7 is connected to the vertical flow constructed wetland 8;

[0045] The th...

Embodiment 2

[0064] Please also refer to figure 1 As shown, this embodiment provides a coupling device between a sequence batch adsorption aeration filter and a vertical flow constructed wetland, which includes: a concentration pool 1, a WAR reactor 2, a heat exchanger 10, a PACT pool 3, and ammonia nitrogen aeration Biosorption filter 4, sewage return pool 5, deep phosphorus adsorption filter 7 and vertical flow artificial wetland 8; wherein, the concentration pool 1 is connected to the WAR reactor 2, and the WAR reactor 2 is connected to the exchange Heater 10, the heat exchanger 10 is connected to the PACT pool 3, the PACT pool 3 is respectively connected to the concentration pool 1 and the ammonia nitrogen aerated biosorption filter 4, and the ammonia nitrogen aerated biosorption filter 4 respectively connecting the sewage return pool 5 and the deep phosphorus adsorption filter 7, and the deep phosphorus adsorption filter 7 is connected to the vertical flow constructed wetland 8;

[0...

Embodiment 3

[0084] Adopt the device described in embodiment 1 to carry out sewage treatment.

[0085] Sewage adopts the method of sequential batch water intake, and the time interval of water intake is 12 hours. The sewage enters the PACT pool 3, and the organic pollutants in the sewage are removed by the adsorption of powdered activated carbon in the PACT pool 3 and the biodegradation of biochemical sludge. into CO 2 and H 2 O, ammonia nitrogen is converted into nitrate nitrogen, and heavy metal ions are solidified and precipitated under the action of red mud molecular sieves to purify sewage; the supernatant of PACT pool 3 is introduced into ammonia nitrogen aerated biosorption filter 4, and ammonia nitrogen is absorbed by the natural After adsorption by zeolite or artificial zeolite (NH 3 -N removal rate can reach 99%), valve A is closed, valve B is opened, and the sewage flows into the sewage return pool 5 for storage. At the same time, add nitrifying bacteria to the ammonia nitrog...

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Abstract

The invention discloses a sequence-batch-type adsorption aerating filter and vertical flow artificial wetland coupling device and application thereof in sewage treatment.The device comprises a concentration tank, a WAR reactor, a heat exchanger, a PACT tank, an ammonia nitrogen aeration bio-adsorption filter, a sewage backflow tank, a deep-type phosphor adsorption filter and a vertical flow wetland, the concentration tank is connected with the WAR reactor which is connected with the heat exchanger, the heat exchanger is connected with the PACT tank which is respectively connected with the concentration tank and the ammonia nitrogen aeration bio-adsorption filter, and the ammonia nitrogen aeration bio-adsorption filter is respectively connected with the sewage backflow tank and the deep-type phosphor adsorption filter which is connected with the vertical flow artificial wetland.By using the device, pollutants in sewage can be removed, energy consumption and cost in the treatment process can be lowered substantially, and the resource regeneration process can be completed.

Description

technical field [0001] The invention relates to a coupling device for a sequence batch adsorption aeration filter tank and a vertical flow artificial wetland, in particular to a device for advanced sewage treatment which combines physical adsorption, biofilm method and vertical flow artificial wetland. The present invention also relates to the application of the device in sewage treatment, that is, the method for treating sewage with the above-mentioned device. Background technique [0002] The amount of sewage in our country is relatively large, and the resource reuse rate is low. At present, most of the traditional activated sludge methods are adopted, such as oxidation ditch, A / O, A 2 / O, etc. These methods have high energy consumption and produce secondary sludge, which not only has high operating costs, but also high subsequent management and maintenance costs. Although the effluent water quality indicators can meet my country's current "Pollutant Discharge Standards fo...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/281C02F3/302C02F3/32C02F3/34
Inventor 袁冬海郭旭晶卞立波严陈玲
Owner BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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