CN113929218A - MABR coupling process system and method for purifying sewage in rivers and lakes - Google Patents
MABR coupling process system and method for purifying sewage in rivers and lakes Download PDFInfo
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- CN113929218A CN113929218A CN202111345423.3A CN202111345423A CN113929218A CN 113929218 A CN113929218 A CN 113929218A CN 202111345423 A CN202111345423 A CN 202111345423A CN 113929218 A CN113929218 A CN 113929218A
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- UEKDBDAWIKHROY-UHFFFAOYSA-L bis(4-bromo-2,6-ditert-butylphenoxy)-methylalumane Chemical compound [Al+2]C.CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-].CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-] UEKDBDAWIKHROY-UHFFFAOYSA-L 0.000 title claims abstract description 62
- 239000010865 sewage Substances 0.000 title claims abstract description 36
- 238000010168 coupling process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 239000012528 membrane Substances 0.000 claims abstract description 30
- 239000004576 sand Substances 0.000 claims abstract description 18
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 9
- 231100000719 pollutant Toxicity 0.000 claims abstract description 9
- 238000000746 purification Methods 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 238000011221 initial treatment Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000001556 precipitation Methods 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 241000196324 Embryophyta Species 0.000 description 7
- -1 gravel Chemical compound 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 2
- 239000003830 anthracite Substances 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 238000010170 biological method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to an MABR coupling process system and method for purifying a sewage body of a river or lake, and relates to the technical field of sewage treatment. The sewage water body sequentially passes through the sand settling zone, the filtering zone and the MABR purifying zone and enters the river and lake water body after being treated. The system disclosed by the invention combines the technologies of precipitation, filtration and MABR membrane, effectively removes pollutants in the sewage water body, and greatly reduces the load impact of the sewage water body on the water bodies in rivers and lakes. The invention has the advantages of high comprehensive degradation efficiency, low cost, high impact load resistance and the like.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and relates to an MABR coupling process system and method for purifying a sewage body of a river or lake. MABR, also known as enhanced coupled Biofilm Reactor (EHBR), is known by the English name of Membrane affected Biofilm Reactor.
Background
With the rapid development of social economy, the pace of urban modern construction is increasing, a large amount of wastewater and sewage are discharged in social production and life, and if the wastewater, the sewage and initial rainwater are directly discharged into rivers and lakes without being fully treated, the water environment of the rivers and lakes is polluted, the content of aerobic organic matters is increased, and even serious black and odorous problems occur. At present, river and lake water body treatment methods are numerous, the physical and chemical method is high in speed, the biological method is safe and reliable, but the treatment period is long, and multiple methods are combined to purify the water body. The MABR technology is a novel water treatment technology organically integrating a gas separation membrane technology and a biofilm method water treatment technology.
At present, the MABR technology is widely applied to purification and treatment of river and lake water bodies and upgrading and reconstruction of urban sewage treatment plants, and a set of efficient river and lake sewage purification and treatment process system is formed by combining the respective advantages of pretreatment and the MABR technology in order to reduce investment cost of sewage water bodies and guarantee interception of large particles and treatment of sewage water bodies by subsequent biological membranes.
Disclosure of Invention
The invention adopts the coupling process of precipitation, filtration and EHBR to realize the water purification of the river and lake drainage port, comprehensively exerts the pretreatment to intercept a large amount of impurities, and effectively combines the excellent film formation and the nutrient supply performance of the MABR film to efficiently remove pollutants in the sewage body.
The specific technical scheme is as follows:
an MABR coupling process system and method for purifying a sewage body of rivers and lakes are characterized in that: the sewage water body passes through the sand settling zone, the filtering zone and the MABR purifying zone in sequence, and enters the river and lake water body after being treated; the method comprises the following specific steps:
(1) the sand settling area is used as a primary treatment area to precipitate discharged large-particle impurities and sand;
(2) the filtering area adopts a vertical flow wetland structure, smaller impurity river particles are filtered, and the water body can be further purified by a porous structure;
(3) granular impurities are basically removed from the water body at the discharge port after the purification of the first two stages, only the soluble pollutants are still in the water, and the MABR purification area is provided with the MABR membrane group unit to further purify the water body, reduce the pollutants in the water body, continuously purify the water body and continuously keep the water body in a better state.
The sand settling area is the area from the sewage discharge water body to the front end of the grid plate of the filtering area.
And aquatic plants are arranged in the shallow water areas of the sand settling area and the filtering area.
The MABR purification area is an area of a grid plate at the tail end of the filtration area close to the water body of rivers and lakes.
The filtering area adopts a vertical flow wetland structure and consists of grid plates, filtering fillers and aquatic plants.
The filter filler can be one or more of quartz sand, gravel, anthracite, cobblestone, manganese sand, nut shell filter material, ceramsite, garnet filter material, zeolite filler, fiber bundle filler and the like.
The MABR purification zone comprises MABR membrane units, fixed supports and a bronchial line.
And the air supply system of the MABR membrane unit adopts shore side air supply equipment to supply air through an air supply pipeline and is adjusted by a control valve.
The MABR membrane units are connected through branch gas pipelines and are fixed at the bottom of the river and lake water body through fixed supports.
The MABR membrane unit mainly has a MABR membrane component which can be in a curtain or aquatic weed form.
The MABR coupling process system for purifying the sewage body of the river and lake adopts a coupling process of precipitation, filtration and MABR. The technology of precipitation, filtration and MABR membrane is combined, so that pollutants in the sewage water body are effectively removed, and the load impact of the sewage water body on the river and lake water bodies is greatly reduced. The invention has the advantages of high comprehensive degradation efficiency, low cost, high impact load resistance and the like.
Drawings
FIG. 1 is a schematic diagram of the system structure of the present invention.
In the figure: 1. air supply equipment, 2, a control valve, 3, an air supply pipeline, 4, aquatic plants, 5, a grid plate, 6, filter fillers, 7, a fixed support, 8, a branch air pipeline, 9 and an MABR membrane unit.
Detailed Description
The MABR coupling process system and the method for purifying the sewage body of the river and the lake are further described by combining the figure 1:
a MABR coupling process system for purifying a sewage body of a river or a lake sequentially enters a sand settling zone, a filtering zone and an MABR purifying zone according to the flow direction of the water body, and enters the water body of the river or the lake after being treated.
The sand settling area is the area from the sewage discharge water body to the front end of the grid plate 5 of the filtering area.
Aquatic plants are arranged in the shallow water areas of the sand settling area and the filtering area.
The filtering area adopts a vertical flow wetland structure and consists of a grid plate 5, filtering fillers 6 and aquatic plants 4.
The filter filler 6 can be one or more of quartz sand, gravel, anthracite, cobble, manganese sand, nut shell filter material, ceramsite, garnet filter material, zeolite filler, fiber bundle filler and the like.
The MABR purifying area is an area of a grid plate 5 at the tail end of the filtering area, which is close to the water body of rivers and lakes.
The MABR purification zone comprises MABR membrane units 9, fixed supports 7 and bronchial lines 8.
The air supply system of the MABR membrane unit 9 is supplied by the shore side air supply facility 1 through the air supply line 3, and is regulated by the control valve 2.
The MABR membrane units 9 are connected through branch gas pipelines 8, and the MABR membrane units 9 are fixed at the bottom of the water body in the river and lake through fixing supports 7.
The MABR membrane unit 9 mainly has the structure of an MABR membrane component which can be in a curtain type or a pasture type.
The sewage body comprises urban domestic sewage, initial rainwater, part of industrial production wastewater and the like.
The use method of the MABR coupling process system for purifying the sewage body of the river and lake comprises the following specific steps:
(1) the sand settling area is used as a primary treatment area to precipitate discharged large-particle impurities and sand;
(2) the filtering area adopts a vertical flow wetland structure, smaller impurity river particles are filtered, and the water body can be further purified by a porous structure;
(3) granular impurities are basically removed from the water body at the discharge port after the purification of the first two stages, only the soluble pollutants are still in the water, and the MABR purification area is provided with the MABR membrane group unit to further purify the water body, reduce the pollutants in the water body, continuously purify the water body and continuously keep the water body in a better state.
Example 1: setting emergent aquatic plants on the shoal at the front end of the settling zone and the upper part of the filtering zone, assisting in settling and filtering, enhancing treatment effect, selecting gravel, shells and fiber bundle filler for combination as filtering filler, adopting a curtain type MABR membrane component to form an MABR membrane unit 9 in the MABR purifying zone, wherein the number of the MABR membrane components contained in the MABR membrane unit 9 is 10, connecting the MABR membrane component through a branch air pipeline 8, fixing the MABR membrane unit by a fixed support 7, and purifying the sewage body by combining the coupling process steps of settling, filtering and MABR.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (5)
1. The MABR coupling process system for purifying the sewage bodies of rivers and lakes is characterized in that: the sewage water body sequentially enters a sand settling zone, a filtering zone and an MABR purifying zone, and enters river and lake water bodies after being treated; the sand settling area is the area from the sewage discharge water body to the front end of the grid plate (5) of the filtering area; the filtering area adopts a vertical flow wetland structure and consists of grid plates (4), filtering fillers (6) and aquatic plants (4); the MABR purification area is an area of a grid plate (5) at the tail end of the filtration area, which is close to the water bodies of rivers and lakes; the MABR purification zone comprises MABR membrane units (9), fixed supports (7) and a bronchial line (8).
2. The MABR coupling process system for purifying the sewage bodies in rivers and lakes according to claim 1, which is characterized in that: and aquatic plants (4) are arranged in the shallow water areas of the sand settling area and the filtering area.
3. The MABR coupling process system for purifying the sewage bodies in rivers and lakes according to claim 1, which is characterized in that: the air supply system of the MABR membrane unit (9) adopts shore side air supply equipment (1) to supply air through an air supply pipeline (3), and is adjusted by a control valve (2).
4. The MABR coupling process system for purifying the sewage bodies in rivers and lakes according to claim 1, which is characterized in that: the MABR membrane units (9) are connected through branch gas pipelines (8), and the MABR membrane units (9) are fixed at the bottom of the river and lake water body through fixing supports (7).
5. The use method of the MABR coupling process system for purifying the sewage bodies in rivers and lakes, which is disclosed by claim 1, is characterized by comprising the following steps: the method comprises the following specific steps:
(1) the sand settling area is used as a primary treatment area to precipitate discharged large-particle impurities and sand;
(2) the filtering area adopts a vertical flow wetland structure, smaller impurity river particles are filtered, and the water body can be further purified by a porous structure;
(3) granular impurities are basically removed from the water body at the discharge port after the purification of the first two stages, only the soluble pollutants are still in the water, and the MABR purification area is provided with the MABR membrane group unit to further purify the water body, reduce the pollutants in the water body, continuously purify the water body and continuously keep the water body in a better state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345423.3A CN113929218A (en) | 2021-11-15 | 2021-11-15 | MABR coupling process system and method for purifying sewage in rivers and lakes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345423.3A CN113929218A (en) | 2021-11-15 | 2021-11-15 | MABR coupling process system and method for purifying sewage in rivers and lakes |
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| Publication Number | Publication Date |
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| CN113929218A true CN113929218A (en) | 2022-01-14 |
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| CN202111345423.3A Pending CN113929218A (en) | 2021-11-15 | 2021-11-15 | MABR coupling process system and method for purifying sewage in rivers and lakes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115043500A (en) * | 2022-07-22 | 2022-09-13 | 天津海之凰科技有限公司 | River water body comprehensive treatment system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207699298U (en) * | 2017-12-25 | 2018-08-07 | 江苏爱瑞特生态科技有限公司 | A kind of New-type composite fibre floating wetland |
| CN211972070U (en) * | 2019-12-30 | 2020-11-20 | 深圳川清清环境集团有限公司 | Sewage treatment unit with EHBR membrane of constructed wetland |
| CN112723548A (en) * | 2020-10-09 | 2021-04-30 | 长江生态环保集团有限公司 | Enhanced baffled ecological wetland purification system and purification method thereof |
| CN216336867U (en) * | 2021-11-15 | 2022-04-19 | 天津海之凰科技有限公司 | MABR coupling process system for purifying sewage in rivers and lakes |
-
2021
- 2021-11-15 CN CN202111345423.3A patent/CN113929218A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207699298U (en) * | 2017-12-25 | 2018-08-07 | 江苏爱瑞特生态科技有限公司 | A kind of New-type composite fibre floating wetland |
| CN211972070U (en) * | 2019-12-30 | 2020-11-20 | 深圳川清清环境集团有限公司 | Sewage treatment unit with EHBR membrane of constructed wetland |
| CN112723548A (en) * | 2020-10-09 | 2021-04-30 | 长江生态环保集团有限公司 | Enhanced baffled ecological wetland purification system and purification method thereof |
| CN216336867U (en) * | 2021-11-15 | 2022-04-19 | 天津海之凰科技有限公司 | MABR coupling process system for purifying sewage in rivers and lakes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115043500A (en) * | 2022-07-22 | 2022-09-13 | 天津海之凰科技有限公司 | River water body comprehensive treatment system and method |
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