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Integrated multifunctional treatment device for constructed wetland

A technology of artificial wetlands and treatment devices, which is applied in the directions of water/sewage multi-stage treatment, water/sewage treatment, biological water/sewage treatment, etc., and can solve the problem of less application of domestic sewage treatment, no disinfection treatment, and excessive sulfate radical occupation in effluent Area and other issues, to achieve sustainable cleaning process, reduce carbon emissions in operation and management costs, and solve the effect of easy clogging

Pending Publication Date: 2018-09-04
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, sulfur autotrophy technology is widely used in constructed wetlands, but there are still problems such as excessive sulfate radicals in the effluent, large floor area, and no disinfection treatment. few

Method used

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  • Integrated multifunctional treatment device for constructed wetland
  • Integrated multifunctional treatment device for constructed wetland
  • Integrated multifunctional treatment device for constructed wetland

Examples

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Embodiment 1

[0041] The integrated multifunctional artificial wetland treatment device in this embodiment includes a water inlet pipe 1, a pretreatment area 2, an aerobic reaction area 4, a heterotrophic nitrification reaction area 6, a sulfur autotrophic denitrification area 7, a transition treatment area 8, TiO 2 Load ceramsite disinfection zone 9, outlet pipe 10, aeration pipe 5; Wherein, described inlet pipe 1 and outlet pipe 10 are PVC pipes, inlet pipe 1 is used for evenly distributing water, and outlet pipe 10 is used for reducing outflow speed, avoids The small particle size filler is carried away by the water flow; the aerobic reaction zone 4 is the main zone where organic matter is oxidized and decomposed, and nitrogen elements undergo ammonification and nitrification reactions; the denitrification reaction zone is mainly divided into heterotrophic and sulfur There are two autotrophic sections, and the sulfur autotrophic section can reduce the addition of carbon sources in the la...

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Abstract

The invention belongs to the field of wastewater treatment, and in particular discloses an integrated multifunctional treatment device for constructed wetland. The integrated multifunctional treatmentdevice of the constructed wetland comprises a water inlet pipe (1) for inputting wastewater to be treated, a pretreatment zone (2), a mud collecting zone (3), an aerobic reaction zone (4), a heterotrophic denitrification zone (6), a sulfur autotrophic denitrification zone (7), a transitional treatment zone (8) and a TiO2-loaded ceramsite disinfection zone (9) for treating wastewater to be treatedsequentially, a water outlet pipe (10) for outputting treated water, and an aeration pipe (5) for aerating the aerobic reaction zone (4) and the heterotrophic denitrification zone (6). According to the invention, connection relationships of key components in the device, internal structures of components and the like are improved, sulfur autotrophic technologies and wavy subsurface-flow constructed wetland technologies are integrated to form an integrated disinfection process, and compared with the prior art, the treatment device which has low cost and easy operation and management and integrates pretreatment, purification, denitrification, disinfection and automatic blocking prevention can be provided for the wastewater treatment.

Description

technical field [0001] The invention belongs to the field of sewage treatment (that is, the field of constructed wetland sewage treatment), and more specifically relates to an integrated multifunctional constructed wetland treatment device, which is a combination of "pretreatment + purification + denitrification + disinfection + automatic anti-blocking "In an integrated wetland treatment device, especially suitable for small households. Background technique [0002] The wetland treatment device has the advantages of small infrastructure investment, good pollution removal effect, flexible layout, convenient operation, maintenance and management, and is especially suitable for remote rural sewage treatment. However, existing studies have shown (U.S EPA) that its effect on denitrification is not very successful. The traditional biological denitrification system mainly uses heterotrophic denitrification bacteria to achieve biological denitrification, so the traditional nitrific...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/30C02F3/104C02F1/725C02F1/50C02F3/2806Y02W10/10
Inventor 任拥政刘慧敏何启帆王江坤聂慧林犇汤毅
Owner HUAZHONG UNIV OF SCI & TECH
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