CN105836892B - A kind of method of water plant combination purification sewage treatment plant tail water - Google Patents
A kind of method of water plant combination purification sewage treatment plant tail water Download PDFInfo
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- CN105836892B CN105836892B CN201610335607.4A CN201610335607A CN105836892B CN 105836892 B CN105836892 B CN 105836892B CN 201610335607 A CN201610335607 A CN 201610335607A CN 105836892 B CN105836892 B CN 105836892B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- Engineering & Computer Science (AREA)
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- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to a kind of methods of water plant combination purification sewage treatment plant tail water, the processing pond for being sequentially communicated and having difference in height is set, it is connected between two processing ponds by water pump from beginning to end, it throughout manages and transplants emergent aquactic plant and submerged plant in pond, then from the tail water of the processing pond injection sewage treatment plant of highest order, tail water successively fills each processing pond, then tail water is controlled by water pump and circulates rate between processing pond, tail water circular treatment a couple of days in processing pond completes purification sewage treatment plant tail water.Emergent aquactic plant and submerged plant are combined and purify sewage treatment plant tail water by the present invention, improve the clean-up effect to tail water, and the present invention can remove the total phosphorus of 67~71% total nitrogen in tail water and 63~77%.The content of nitrogen and phosphorous of sewage treatment plant tail water can be greatly reduced in the present invention, mitigate its pollution to river, lake, also mitigate the purification difficulty of reprocessing in next step.
Description
Technical field
The present invention relates to a kind of methods of water plant combination purification sewage treatment plant tail water, belong to environmental protection technology neck
Domain.
Background technique
Reach GB18918-2002 " urban wastewater treatment firm pollutant emission mark by the sewage that sewage treatment plant is handled
It is quasi- " in level-one A mark, but the content of main eutrophication indexes still with " water environment quality standard " (GB3838-2002) V
Class water standard has biggish gap, is detailed in following table.
(GB18918-2002) with (GB3838-2002) Comparison of standards table (mg/L)
Comparison index, which can be seen that, realizes that the sewage disposal plant effluent of qualified discharge is still inferior to V even across advanced treating
Class water is still the pollution sources in river, lake.It is improved therefore, it is necessary to do a step to sewage treatment, makes its eutrophication indexes
Content declined to a great extent.
Summary of the invention
It still crosses to solve eutrophication indexes the content of nitrogen and phosphorous in sewage treatment plant tail water higher than " surface water environment quality
Standard " content, the present invention provides a kind of method of water plant combination purification sewage treatment plant tail water, make nitrogen in tail water,
Phosphorus is further removed.
The present invention is realized by following technical proposal: a kind of method of water plant combination purification sewage treatment plant tail water,
By the following steps:
(1) setting 3 is sequentially communicated and difference in height is the processing pond of 15~25cm, and the depth of processing pond is 1.2m；From beginning to end two
It is connected between a processing pond by water pump；
(2) it is managed everywhere in step (1) and transplants emergent aquactic plant and submerged plant in pond；
(3) from the tail water of the processing pond injection sewage treatment plant of highest order after the completion of transplanting, tail water successively fills each processing
Pond, then controlling circulate rate of the tail water between processing pond by water pump is 0.1~0.2m3/ h, tail water is in processing pond
Circular treatment 70~90 days, that is, complete purification sewage treatment plant tail water.
Being sequentially communicated of the step (1) refers to the through-hole that diameter 10cm is equipped between processing pond two-by-two, the through-hole away from
The bottom of pond distance of high-order processing pond is 90cm.
The transplanting emergent aquactic plant and submerged plant of the step (2) are the pearls that throughout reason bottom of pond portion is laid with 10cm thickness
Rock, then uniformly plant on perlite 70~90 plants of healthy matures submerged plant and 3 groups of height >=1.3m different cultivars
Emergent aquactic plant, every group 10 plants.
The submerged plant is eel grass.
The emergent aquactic plant of the different cultivars is respectively thaliadeabata, Hai Shoucao and cyperus alternifolius.
The advantages of present invention has and effect: currently with aquatic plant purification sewage, only it is single use emergent aquactic plant
Or submerged plant carrys out purifying contaminated object, but clean-up effect is unobvious.The present invention combines emergent aquactic plant and submerged plant
Sewage treatment plant tail water is purified, improves the clean-up effect to tail water, the present invention can remove 67~71% total nitrogen and 63 in tail water
~77% total phosphorus.The content of nitrogen and phosphorous of sewage treatment plant tail water can be greatly reduced in the present invention, be close to " surface water environment quality
Standard " nitrogen of (GB3838-2002) V class water quality, phosphorus standard, mitigate its pollution to river, lake, also mitigates in next step again
The purification difficulty of processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of processing pond.
Specific embodiment
Below with reference to embodiment, the present invention will be further described.
Embodiment 1
(1) be arranged 3 to be sequentially communicated and difference in height is the processing pond of 15cm, from it is high be respectively on earth No. 1 pond, No. 2 ponds and
No. 3 ponds, the depth of each processing pond are 1.2m, are equipped with the through-hole of diameter 10cm between processing pond two-by-two, the through-hole is away from high-order processing pond
Bottom of pond distance be 90cm；It is connected between No. 1 pond and No. 3 ponds by water pump；
(2) it is managed everywhere in step (1) and transplants emergent aquactic plant and submerged plant in pond, specifically throughout reason bottom of pond portion is spread
If the perlite of 10cm thickness, then uniformly plant on perlite 70 plants of healthy matures submerged plant eel grass and 3 groups of height >=
The emergent aquactic plant of the different cultivars of 1.3m, respectively thaliadeabata, Hai Shoucao and cyperus alternifolius, every group 10 plants；
(3) from the tail water of No. 1 pond injection sewage treatment plant after the completion of transplanting, the through-hole that tail water passes through between processing pond is successively infused
Full each processing pond, then controlling circulate rate of the tail water between processing pond by water pump is 0.1m3/ h, tail water is in processing pond
Middle circular treatment 70 days completes purification sewage treatment plant tail water.
Sewage treatment plant tail water total nitrogen are as follows: 17.81mg/L, total phosphorus are as follows: 1.55mg/L, by 70 days circular treatments, always
Nitrogen decline are as follows: 5.88mg/L, total phosphorus decline are as follows: 0.56mg/L, total nitrogen, total phosphorus removal rate be respectively 67% and 63%.
Embodiment 2
(1) be arranged 3 to be sequentially communicated and difference in height is the processing pond of 20cm, from it is high be respectively on earth No. 1 pond, No. 2 ponds and
No. 3 ponds, the depth of each processing pond are 1.2m, are equipped with the through-hole of diameter 10cm between processing pond two-by-two, the through-hole is away from high-order processing pond
Bottom of pond distance be 90cm；It is connected between No. 1 pond and No. 3 ponds by water pump；
(2) it is managed everywhere in step (1) and transplants emergent aquactic plant and submerged plant in pond, specifically throughout reason bottom of pond portion is spread
If the perlite of 10cm thickness, then uniformly plant on perlite 80 plants of healthy matures submerged plant eel grass and 3 groups of height >=
The emergent aquactic plant of the different cultivars of 1.3m, respectively thaliadeabata, Hai Shoucao and cyperus alternifolius, every group 10 plants；
(3) from the tail water of No. 1 pond injection sewage treatment plant after the completion of transplanting, the through-hole that tail water passes through between processing pond is successively infused
Full each processing pond, then controlling circulate rate of the tail water between processing pond by water pump is 0.2m3/ h, tail water is in processing pond
Middle circular treatment 80 days completes purification sewage treatment plant tail water.
Sewage treatment plant tail water total nitrogen are as follows: 17.81mg/L, total phosphorus are as follows: 1.55mg/L, by 80 days circular treatments, always
Nitrogen decline are as follows: 5.16mg/L, total phosphorus decline are as follows: 0.36mg/L, total nitrogen, total phosphorus removal rate be respectively 71% and 77%.
Embodiment 3
(1) be arranged 3 to be sequentially communicated and difference in height is the processing pond of 25cm, from it is high be respectively on earth No. 1 pond, No. 2 ponds and
No. 3 ponds, the depth of each processing pond are 1.2m, are equipped with the through-hole of diameter 10cm between processing pond two-by-two, the through-hole is away from high-order processing pond
Bottom of pond distance be 90cm；It is connected between No. 1 pond and No. 3 ponds by water pump；
(2) it is managed everywhere in step (1) and transplants emergent aquactic plant and submerged plant in pond, specifically throughout reason bottom of pond portion is spread
If the perlite of 10cm thickness, then uniformly plant on perlite 90 plants of healthy matures submerged plant eel grass and 3 groups of height >=
The emergent aquactic plant of the different cultivars of 1.3m, respectively thaliadeabata, Hai Shoucao and cyperus alternifolius, every group 10 plants；
(3) from the tail water of No. 1 pond injection sewage treatment plant after the completion of transplanting, the through-hole that tail water passes through between processing pond is successively infused
Full each processing pond, then controlling circulate rate of the tail water between processing pond by water pump is 0.2m3/ h, tail water is in processing pond
Middle circular treatment 90 days completes purification sewage treatment plant tail water.
Sewage treatment plant tail water total nitrogen are as follows: 17.81mg/L, total phosphorus are as follows: 1.55mg/L, by 90 days circular treatments, always
Nitrogen decline are as follows: 5.02mg/L, total phosphorus decline are as follows: 0.29mg/L, total nitrogen, total phosphorus removal rate be respectively 72% and 81%.
Claims (5)
1. a kind of method of water plant combination purification sewage treatment plant tail water, it is characterised in that pass through the following steps:
(1) setting 3 is sequentially communicated and difference in height is the processing pond of 15~25cm, and the depth of processing pond is 1.2m；From beginning to end at two
It manages and is connected between pond by water pump；
(2) it is managed everywhere in step (1) and transplants emergent aquactic plant and submerged plant in pond；Transplanting emergent aquactic plant and submerged plant be
Each processing bottom of pond portion is laid with perlite, then uniformly plants on perlite the submerged plant of 70~90 plants of healthy matures and 3 groups high
The emergent aquactic plant of degree >=1.3m different cultivars；
(3) from the tail water of the processing pond injection sewage treatment plant of highest order after the completion of transplanting, tail water successively fills each processing pond, so
Controlling circulate rate of the tail water between processing pond by water pump afterwards is 0.1~0.2m3/ h, tail water is in processing pond at circulation
Reason 70~90 days completes purification sewage treatment plant tail water, the content of nitrogen and phosphorous of sewage treatment plant tail water is greatly reduced.
2. the method for water plant combination purification sewage treatment plant tail water according to claim 1, it is characterised in that: described
Step (1) is sequentially communicated the through-hole for referring to and being equipped with diameter 10cm between processing pond two-by-two, and the through-hole is away from high-order processing pond
Bottom of pond distance is 90cm.
3. the method for water plant combination purification sewage treatment plant tail water according to claim 1, it is characterised in that: pearl
Rock is with a thickness of 10cm；Every group has 10 plants of emergent aquactic plants.
4. the method for water plant combination purification sewage treatment plant tail water according to claim 3, it is characterised in that: described
Submerged plant is eel grass.
5. the method for water plant combination purification sewage treatment plant tail water according to claim 3, it is characterised in that: described
The emergent aquactic plant of different cultivars is respectively thaliadeabata, Hai Shoucao and cyperus alternifolius.
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| CN201610335607.4A CN105836892B (en) | 2016-05-19 | 2016-05-19 | A kind of method of water plant combination purification sewage treatment plant tail water |
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| CN201610335607.4A CN105836892B (en) | 2016-05-19 | 2016-05-19 | A kind of method of water plant combination purification sewage treatment plant tail water |
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| CN105836892B true CN105836892B (en) | 2019-04-23 |
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| CN112250193A (en) * | 2020-09-28 | 2021-01-22 | 国河环境研究院(南京)有限公司 | Device and method for recycling water resource based on food chain tail |
| CN114956342B (en) * | 2022-05-11 | 2023-08-25 | 中国海洋大学 | Aquatic plant combination-based sulfamethazine polluted water body restoration method |
Citations (4)
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| CN101830564A (en) * | 2010-05-19 | 2010-09-15 | 四川省运辉环保工程咨询有限公司 | Plant pond bed integrally built constructed wetland sewage disposal system |
| CN101891348A (en) * | 2009-12-23 | 2010-11-24 | 东北师范大学 | Sewage treatment system for water shortage cities and storage and advanced treatment method of sewage and rainwater |
| CN202099119U (en) * | 2011-06-13 | 2012-01-04 | 云南大学 | Purification device for plant-zoobenthos sewage |
| CN104261618A (en) * | 2014-09-22 | 2015-01-07 | 复旦大学 | Constructed wetland and plant pond joint treatment system for tail water advanced treatment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57197089A (en) * | 1981-05-29 | 1982-12-03 | Tadashi Niimi | Purification of sewage by utilizing natural ecosystem stnthetically in specific water level |
| CN102303922B (en) * | 2011-06-13 | 2013-03-20 | 云南大学 | Plant-zoobenthos sewage purification device and tail water purification method for sewage treatment plant |
| CN102531294B (en) * | 2012-02-10 | 2013-08-14 | 同济大学 | All-terrain subsurface flow constructed wetland combination system and application thereof |
| CN203229419U (en) * | 2013-05-08 | 2013-10-09 | 南京师范大学 | Sunlight and aquatic organism coupled water purifying pool |
| CN205035164U (en) * | 2015-10-10 | 2016-02-17 | 宜都市茂源生态农业有限公司 | Step pool water purification system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891348A (en) * | 2009-12-23 | 2010-11-24 | 东北师范大学 | Sewage treatment system for water shortage cities and storage and advanced treatment method of sewage and rainwater |
| CN101830564A (en) * | 2010-05-19 | 2010-09-15 | 四川省运辉环保工程咨询有限公司 | Plant pond bed integrally built constructed wetland sewage disposal system |
| CN202099119U (en) * | 2011-06-13 | 2012-01-04 | 云南大学 | Purification device for plant-zoobenthos sewage |
| CN104261618A (en) * | 2014-09-22 | 2015-01-07 | 复旦大学 | Constructed wetland and plant pond joint treatment system for tail water advanced treatment |
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