CN208071530U - High water-base fluid removes the constructed rapid infiltration of the plain sulfamethoxazole of water removal moderate resistance life - Google Patents
High water-base fluid removes the constructed rapid infiltration of the plain sulfamethoxazole of water removal moderate resistance life Download PDFInfo
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- CN208071530U CN208071530U CN201820041992.6U CN201820041992U CN208071530U CN 208071530 U CN208071530 U CN 208071530U CN 201820041992 U CN201820041992 U CN 201820041992U CN 208071530 U CN208071530 U CN 208071530U
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Abstract
A kind of high water-base fluid removes the constructed rapid infiltration of sulfa antibiotics sulfamethoxazole in water removal, agent structure is using organic glass cylinder as carrier, cylinder whole height 65cm, including overflow volume 10cm and the artificial mixed soil of dense packing effect and sandstone filtrate 55cm, filler is the silty clay of 15cm, medium coarse sand, volcanic rock mixture in proportion from top to bottom, 25cm zeolites, 15cm coarse gravel cobbles, it handles water and passes through cylinder successively, SMX in water removal is gone by the degradation of soil natural microbial, filtrate physical absorption realization.The system is to 20-30 μ gL‑1Deionized water SMX average removal rates are 44.75%, to 20-30 μ gL‑1SMX average removal rates are 58.17% in recycled water, and hydraulic loading is high, and site condition requires low；Blockage problem is an important factor for influencing constructed rapid infiltration processing system engineer application, and Tthe utility model system long-play under high water-base fluid persistently effectively removes target contaminant SMX.
Description
Technical field
The utility model belongs to water-treatment technology field, more particularly to water removal moderate resistance life is gone under the conditions of a kind of high water-base fluid
Constructed rapid infiltration, method and the experimental provision of plain sulfamethoxazole (SMX).
Background technology
SMX is a kind of sulfa antibiotics, using P-aminobenzene-sulfonamide as basic chemical structure, by artificial synthesized one kind
Antiseptic has many advantages, such as that antimicrobial spectrum is relatively wide and chemical property is stablized and is widely used in disease of domestic animals prevention and treatment,
Inhibit bacterial reproduction by with p-aminobenzoic acid will produce Competition in bacterium folic acid metabolism cyclic process, to major part
Gram-negative, positive bacteria have inhibiting effect.SMX, which usually combines with methoxybenzyl aminopyrimidine, is used for resistance of wide spectrum bacterium, for fighting
Common uropathogen, respiratory pathogen etc., is frequently detected in the environment at present.Works liquor be SMX into
Enter environment water important channel, Hirsch etc. has investigated SMX disengaging concentration in certain German the secondary effluent of the sewage plant and reached 6 μ g L-1。
In China Guangzhou and 4, Hong Kong sewage disposal plant effluent, SMX is detected maximum concentration and reaches 2 μ g L-1More than.Environment water
Medium-term and long-term existing low concentration SMX may inducing microbial develop immunity to drugs, all have very to health and ecological environment
Big potential risk.
Land treatment system is defined as waste water to soil surface and plant-soil-aqueous systems combination physics, chemistry and biology
Process and complete the application process with certain controllable processing capacity.Most of land treatment system scale is bigger, smaller
Processing system generally also reach 1000m3/ d, and hydraulic loading is general smaller because place infiltration rate limits, and it is existing
Earth pillar processing system hydraulic loading it is higher when be susceptible to system jams and lead to that continuous operation is difficult, removal lasting effects are poor
Phenomena such as, scale application is restricted.
Utility model content
The shortcomings that in order to overcome above-mentioned existing system device to be easy to block, the purpose of this utility model is to provide a kind of high
Hydraulic loading removes the constructed rapid infiltration of the plain sulfamethoxazole (SMX) of water removal moderate resistance life, for target contaminant, high waterpower
Run under load, system infiltration rate keeps good, by means of between the medium and pollutant based on filtrate physics, chemistry,
The effects that biological achievees the purpose that remove SMX pollutants and improves water quality, has higher removal rate, low raw-material cost, continuous
The advantages that long operational time.
To achieve the goals above, the technical solution adopted in the utility model is：
It is to have that a kind of high water-base fluid, which removes the constructed rapid infiltration of the plain sulfamethoxazole of water removal moderate resistance life, agent structure,
Machine glass column and its soil filtrate of interior filling, the soil filtrate include from top to bottom：
Positioned at the artificial mixed soil 1 of top layer, including silty clay, medium coarse sand and volcanic rock by volume 1:3:2 ratios
Mixing is used for reinforced soil natural microbial degradation of contaminant sulfamethoxazole SMX, and prevents from blocking, and high waterpower is kept to bear
Lotus；
Positioned at intermediate zeolite 2, there is physical absorption removal effect to pollutant sulfamethoxazole SMX；
Coarse gravel cobble 3 under most has support soil filtrate and filtering water outlet effect；
The upper end of the organic glass cylinder is provided with water inlet 5, and lower end is provided with water outlet 6.
The height 15cm of the artificial mixed soil 1；The height 25cm of the zeolite 2；The height of the coarse gravel cobble 3
15cm。
The artificial mixed soil 1 picks up from sewage treatment plant of Gaobeidian City of Beijing regeneration Water Spreading demonstration place earth's surface 2-3
Silty clay and medium coarse sand, volcanic rock between rice by volume 1:3:2 ratio uniform mixes.
The physicochemical property of silty clay is in the artificial mixed soil 1：
The surface texture featur of the zeolite 2 is as follows：
Specific surface area 18.804m2g-1；
Total pore volume 0.001mL g-1。
The outer diameter of the organic glass cylinder 8 be 10cm, internal diameter 9cm, total height 65cm, top be equipped be drilled with into
The plexiglass cover at the mouth of a river 5 is provided with the water outlet 6 of internal diameter 1cm positioned at the side of 3 bottom end of coarse gravel cobble；
Further include the overflow vessel 4 for being located at 1 top of artificial mixed soil, 4 top left and right sides of overflow vessel are respectively arranged
One overflow port 7, overflow port 7 is apart from 8 top water inlet 8cm of organic glass cylinder.
It is laid with one layer of mineral wool between coarse gravel cobble 3 and zeolite 2 and between zeolite 2 and artificial mixed soil 1；
The whole package masking foil in Organic glass column body periphery.
Compared with prior art, the advantageous effect of the utility model is：
1) antibiotic SMX in water body, 20-30 μ gL can efficiently be removed-1The average removal rate of antibiotic SMX in deionized water
It is 44.75%；20-30μgL-1The average removal rate of antibiotic SMX is 58.17% in recycled water.
2) system operation is with higher hydraulic loading, and constructed soil layer average apparent infiltration rate is 120.11m d-1, belong to high osmosis, make accessing pending water with 300mL h-1Speed pass through organic glass cylinder, continuous 120 days
It intakes unimpeded, no clogging occurs.
Description of the drawings
Fig. 1 is the constructed rapid infiltration schematic diagram of the utility model.
Fig. 2 is that continuous 60d runs SMX removals situation in deionized water in embodiment 1.
Fig. 3 is that continuous 60d runs SMX removals situation in recycled water in embodiment 2.
Specific implementation mode
The embodiment of the utility model is described in detail with reference to the accompanying drawings and examples.
SMX enters artificial soil horizon's processing system in water, mainly passes through the physisorption of 55cm soil filtrate in system
And biodegradation is removed.
Silty clay, medium coarse sand, volcanic rock press V:V:V=1:3:2 ratio mixed soils, thickness 15cm.To strengthen SMX's
Biodegradable removal effect, the silty clay filling content of microorganisms that is derived from tested place is abundant, good penetrability medium coarse sand with
The gas permeability soil that volcanic rock filtrate medium is mixed to get.Volcanic rock is in porosity and looseness shape, is the best growing environment of zoogloea,
Therefore enhancement microbiological degradation, and volcanic rock contains the mineral elements such as a large amount of silicon, potassium, sodium, iron, magnesium and copper, zinc-nickel and manganese,
Be conducive to improve effluent quality.
2 thickness of zeolite is 25cm, other pollutants in further Adsorption SMX and upper layer percolate, zeolite absorption
Capacity is larger, is easy to get and price is low, and there is outer surface to be conducive to water distribution in smooth circular, and material anti-pressure ability waits physics special well
Property.
Coarse gravel cobble, thickness 15cm, function are to support the filled media on top.
It is laid with one layer of mineral wool between coarse gravel cobble 3 and zeolite 2 and zeolite 2 and artificial mixed soil 1, it is main
Function is to prevent upper layer substance from leaking into lower layer.
In the whole package masking foil in Organic glass column body periphery, photodissociation effect is avoided, soil environment is simulated.
To be tested to above system, simple experimental provision is constructed.
As shown in Figure 1, experimental provision earth pillar is made of organic glass, including：
Organic glass cylinder, outer diameter 10cm, internal diameter 9cm, total height 65cm, top are equipped with and are drilled with the organic of water inlet 5
There are the water outlet 6 of internal diameter 1cm in glass cover, bottom end；
From bottom to top, it is located at the coarse gravel cobble 3 of the thickness 15cm in Organic glass column body, the filter material layer 2 of thickness 25cm
With the soil sand layer 1 of thickness 15cm；
It is provided with 1 water outlet 6 positioned at the side of 3 bottom end of zeolite；
Overflow vessel 4 above organic glass cylinder, respectively one overflow of setting of 4 top left and right sides of overflow vessel
Mouth 7, overflow port 7 is apart from 8 top water inlet 8cm of organic glass cylinder.
It is laid with one layer of mineral wool between coarse gravel cobble 3 and zeolite 2 and zeolite 2 and artificial mixed soil 1；
In the whole package masking foil in Organic glass column body periphery.
The constructed rapid infiltration of the utility model structure, specific content construction are：
The middle thickness of the 55cm soil filtrate is the artificial mixed soil of 15cm, and filling silty clay picks up from Beijing's height
Bei Dian sewage treatment plants regenerate the silty clay between place 2-3 meters of Water Spreading demonstration and press V with medium coarse sand and volcanic rock:V:V=1:
3:2 ratio uniform mixing addition；After silty clay grinding after natural air drying, 1mm standard sub-sieves are crossed；Medium coarse sand natural air drying
Afterwards, 1-2mm standard sub-sieves are crossed.The average apparent infiltration rate of constructed system is 120.11m d-1, belong to high osmosis.
The physicochemical property of silty clay for mixing filling is as shown in table 1.
1 tested silty clay physicochemical property of table
The zeolite 2 thickness is that 25cm is not easy to plug small flow resistance, cloth with certain porosity without sharp particle
Water uniform air distribution, adsorption capacity it is larger and it is cheap easily obtain, have that lightweight, water absorption rate is low, intensity is high, the freeze proof spies such as corrosion-resistant
Point has very strong suction-operated.The specific surface area of the zeolite of packing layer filling is 18.804m2g-1。
3 thickness of medium coarse sand gravel cobble is 15cm, grain size 15-30mm.Function is to support the filled media on top, is protected
It is unimpeded to hold water outlet.
Embodiment analysis 1
A certain amount of SMX pollutants are artificially added in deionized water, and the concentration of SMX all reaches 20-30 μ in so that recharge is intake
g L-1.It is 1 according to wet-dry ratio equally using 2d as a cycle:1, basin irrigation and fall dry alternately recharge.Make accessing pending water, passes through
Water inlet 5 is with 300mL h-1Speed pass sequentially through organic glass cylinder from top to bottom, taken after initial 2 hours of week of each recharge
Organic glass cylinder bottom is discharged, and studies removal effect of the constructed constructed rapid infiltration to SMX.Flow during operation
It is unimpeded, do not occur system jams phenomenon.System is 44.75% to the average removal rate of SMX, and removal effect is shown in Fig. 2.
Embodiment analysis 2
0.01mol L are utilized after deionization water distribution experiment carries out-1CaCl2After solution backwashes earth pillar 14d, with certain school
Middle water station water outlet is that organic glass cylinder is intake, and continuous operation 60 days is still sampled by a cycle of 2d, and water inlet SMX concentration exists
20-30μg L-1It changes.Make accessing pending water, through water inlet 5 with 300mL h-1Speed pass sequentially through organic glass from top to bottom
Cylinder.System is 58.17% to the average removal rate of SMX, the item that the constructed rapid infiltration of structure is intake in low concentration SMX
To it with good removal effect under part.It is as shown in Figure 3 that system removes situation to SMX in recycled water.
Claims (5)
1. a kind of high water-base fluid removes the constructed rapid infiltration of the plain sulfamethoxazole of water removal moderate resistance life, it is characterised in that：It is main
Body structure is organic glass cylinder and its soil filtrate of interior filling, the soil filtrate include from top to bottom：
Positioned at the artificial mixed soil of top layer (1), it is used for reinforced soil natural microbial degradation of contaminant sulfamethoxazole SMX,
And prevent from blocking, keep high hydraulic loading；
Positioned at intermediate zeolite (2), there is physical absorption removal effect to pollutant sulfamethoxazole SMX；
Coarse gravel cobble (3) under most has support soil filtrate and filtering water outlet effect；
The upper end of the organic glass cylinder is provided with water inlet (5), and lower end is provided with water outlet (6).
2. the constructed rapid infiltration according to claim 1 for removing the plain sulfamethoxazole of water removal moderate resistance life, feature exist
In：The height 15cm of the artificial mixed soil (1)；The height 25cm of the zeolite (2)；The height of the coarse gravel cobble (3)
Spend 15cm.
3. the constructed rapid infiltration according to claim 1 for removing the plain sulfamethoxazole of water removal moderate resistance life, feature exist
In：
The outer diameter of the organic glass cylinder (8) is 10cm, internal diameter 9cm, total height 65cm, and top is equipped with and is drilled with into water
The plexiglass cover of mouth (5), the side for being located at coarse gravel cobble (3) bottom end are provided with the water outlet (6) of internal diameter 1cm；
Further include the overflow vessel (4) being located above artificial mixed soil (1), overflow vessel (4) top left and right sides are respectively set
An overflow port (7) is set, overflow port (7) is apart from organic glass cylinder (8) top water inlet 8cm.
4. the constructed rapid infiltration according to claim 1 for removing the plain sulfamethoxazole of water removal moderate resistance life, feature exist
In：It is laid with one layer of glass between coarse gravel cobble (3) and zeolite (2) and between zeolite (2) and artificial mixed soil (1)
Cotton.
5. the constructed rapid infiltration according to claim 1 for removing the plain sulfamethoxazole of water removal moderate resistance life, feature exist
In：The whole package masking foil in Organic glass column body periphery.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960724A (en) * | 2021-02-04 | 2021-06-15 | 中国科学院沈阳应用生态研究所 | Method for removing veterinary antibiotics by active materials |
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2018
- 2018-01-10 CN CN201820041992.6U patent/CN208071530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960724A (en) * | 2021-02-04 | 2021-06-15 | 中国科学院沈阳应用生态研究所 | Method for removing veterinary antibiotics by active materials |
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