CN107792946A - Solid shore spats component of vegetation type for micro- polluted river strengthened denitrification and preparation method thereof - Google Patents
Solid shore spats component of vegetation type for micro- polluted river strengthened denitrification and preparation method thereof Download PDFInfo
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- CN107792946A CN107792946A CN201711269656.3A CN201711269656A CN107792946A CN 107792946 A CN107792946 A CN 107792946A CN 201711269656 A CN201711269656 A CN 201711269656A CN 107792946 A CN107792946 A CN 107792946A
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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- Water Supply & Treatment (AREA)
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- Biodiversity & Conservation Biology (AREA)
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Abstract
The present invention relates to solid shore spats component of the vegetation type for micro- polluted river strengthened denitrification and preparation method thereof,It is relatively low can effectively to solve river water carbon-nitrogen ratio,Microorganism denitrifying carbon source deficiency,The problem of TN is difficult to remove,Its solve technical scheme be,The component includes eco-concrete component main body,Matrix fill and soil packed layer,Matrix fill is loaded on eco-concrete component body interior,Soil packed layer is filled in matrix fill space,It is relatively low that the solid shore spats component that the present invention is prepared can effectively solve river water carbon-nitrogen ratio,Microorganism denitrifying carbon source deficiency,The problem of total nitrogen is difficult to remove,Water body self-purification ability can be improved,Be advantageous to Waterfront areas plant growth simultaneously,Play the effect of antimicrobial plant synergistic purification,Have landscape effect concurrently,It is the innovation on ecological purifier,Have a good application prospect.
Description
Technical field
The present invention relates to Ecology field of purification, particularly a kind of vegetation type Gu Bin for micro- polluted river strengthened denitrification
Spats component and preparation method thereof.
Background technology
The fast development of social economy and the quickening of urbanization process, cause surface water pollution problem getting worse, China
The most natural runoff scarcity rivers in the north constantly carry mainly using sewage effluents as main water source as pollution control is horizontal
Height, the pollutant concentration such as COD, ammonia nitrogen constantly reduces in river course, but total nitrogen concentration is still higher, shows low C/N micro- pollution
State, water body biodegradability is poor, and the available carbon source concentration of the microorganism such as denitrifying bacterium is relatively low, causes total nitrogen can not be in all kinds of water
It is effectively controlled in the presence of body purified in situ measure, body eutrophication phenomenon takes place frequently, therefore strengthens nitrogen pollutant and remove
It is one of free-revving engine that river ecological is administered.
Eco-concrete is also referred to as celluar concrete, and its special pore structure also causes it to have larger specific surface area
Higher porosity, so that it possesses good absorption and filter capacity, also being provided for plant and microorganism growth must
The growth conditions wanted, on the surface of eco-concrete and one layer of biomembrane is internally formed, has passed through various microorganisms on biomembrane
Synergy can reach improve water quality purpose.Related scholar also to plant-growing type eco-concrete component more research, such as
A kind of shrub Implant eco-concrete component of good et al. the invention of Zhan state and preparation method thereof（CN 106522164 A）, Wang Su
A kind of preparation method of ecological canal charcoal base eco-concrete of gorgeous et al. invention（CN 106034780 A）, Tong Jie
（2014）The plant-growing type eco-concrete material of preparation also has good purifying water effect.
Solid shore cage spats used in river improvement etc. can play a part of dyke strengthening protection against erosion, there is good permeability
Deng characteristic and be widely used, but the effect to purify water is than relatively limited.Straw, Chinese parasol leaf, corncob etc.
Natural solid organic matter rich in cellulose substances can slowly discharge carbon source, solve the problems, such as the low C/N of water body, be denitrifying bacterium
Electron acceptor is provided, improves the removal effect of nitrogen, Iron carbon reduction can also promote the removal of hardly degraded organic substance in water, improve
The biodegradability of water body.Slow release carbon source, Iron carbon reduction technology, eco-concrete are combined with solid shore spats at present, are used in combination
In river purified in situ technology, there is not the report of correlation also.
The content of the invention
For the above situation, to solve the defect of prior art, the purpose of the present invention is just to provide one kind and is used for micro- pollution
Solid shore spats component of the vegetation type of river strengthened denitrification and preparation method thereof, it is relatively low effectively to solve river water carbon-nitrogen ratio, micro-
The problem of biological denitrification carbon source deficiency, TN are difficult to remove.
The technical scheme that the present invention solves is that the component is filled out including eco-concrete component main body, matrix fill and soil
Layer is filled, matrix fill is loaded on eco-concrete component body interior, and soil packed layer is filled in matrix fill space, described
Eco-concrete component main body be raw made of slow release carbon source, binder, aggregate, inorganic porous material, water reducer and water
The box structure of state concrete mix pouring molding in member body template, and anchor hole, described base are set in corner
Matter filler is gravel, iron carbon filler is 99 by weight：1 well mixed composition, described soil packed layer is by denitrification microorganism
Strain, soil, humic acid, trace element and water 0.03-0.07 in mass ratio：0.1：1：0.02：1 well mixed composition.
Its preparation method, comprise the following steps：
1）Eco-concrete component main body template is made, selects template size, reserves anchor hole；
2）Prepare eco-concrete mixture：Water, binder, aggregate, slow release carbon source, inorganic porous material and water reducer are pressed into matter
Amount compares 0.34-0.51：1.7-2.5：4.5-5.0：0.05-0.15：0.1-0.2：0.02-0.03 is prepared, first by binder, bone
After material, slow release carbon source and inorganic porous material are well mixed, add water and water reducer is sufficiently stirred mixing, obtain ecological coagulation
Native mixture, water-reducing rate is maintained to be more than 20%；
3）Make eco-concrete component main body：By step 2）In eco-concrete mix, in step 1）Member body
Pouring molding in template, vibrated, conserve shaping, obtain concrete segment porosity not less than 20% so that water can pass through
Eco-concrete component main body；
4）Load matrix fill：Gravel and iron carbon filler matrix fill are loaded on step 3）Obtained eco-concrete component master
In vivo；
5）Make soil packed layer：By denitrification microorganism strain, soil, humic acid, trace element and water 0.03- in mass ratio
0.07：0.08-0.1：1：0.02-0.05：After 1-1.5 is mixed, soil packed layer is obtained；
6）By step 5）The soil packed layer of making inserts step 4）In matrix fill hole in, obtain being used for micro- pollution river
Flow the solid shore spats component of vegetation type of strengthened denitrification.
Described eco-concrete component main body template size be 500mm × 500mm × 500mm, 1000mm × 500mm ×
500mm or 2000mm × 500mm × 500mm, member body template thickness of slab is 50mm；
The aperture of described anchor hole is 10mm ~ 15mm.
Described slow release carbon source is the corn powder through decolorization, and particle diameter is 60-80 mesh；
Described binder is one or two kinds of mixtures of Portland cement, flyash or portland slag cement；
Described aggregate is the mixture of one or both of zeolite, haydite, and particle size range is 10 ~ 15mm；Zeolite, which has, to be inhaled
The performances such as attached property, ion exchangeable, can be used as adsorbent, ion-exchanger, especially with preferable denitrogenation dephosphorizing ability, separately
Outside, haydite and zeolite possess abundant microcellular structure, can be enriched with microorganism in water as the carrier of microbe survival, so as to
Promote the biological agent of river course Water warfare.
Described inorganic porous material is：The mixture of one or both of diatomite, calcium-base bentonite；
Described water reducer is high-efficiency water-reducing agent of poly-carboxylic acid.
Described grain size of gravel scope is 8 ~ 10mm, is uniformly layed in member body, laying depth 450mm；
Described iron carbon filler is commercially available micro-electrolysis stuffing, and particle diameter is 10 ~ 30mm, can improve the biodegradability of water body, is mixed
Together in gravel center section, contact member main body, loadings do not account for the 1% of matrix fill cumulative volume.
The height of described soil packed layer is the 65-75% of eco-concrete component body thickness.
Described denitrification microorganism strain is nitrification strain, the mixture of denitrification strain one or more, denitrogenation
Microorganism fungus kind can be the indigenous microorganism strain of screening, or commercially available high-effect bacterial.
Described soil is normal soil.
Described humic acid is 70% high-purity humic acid original powder, is a kind of composite organic acid, can with the metal ion in water from
Close, be advantageous to nutrient and transmitted to plant, and have certain improvement result to the alkalescence of concrete, be advantageous to the growth of plant,
Ensure the normal habitat of plant.
Described trace element is the well mixed obtained salting liquid of plurality of inorganic salt, micro rich in iron, copper, zinc, magnesium etc.
Element, it is absorbed by the micro-organisms in a long time, promotes microorganism growth, its composition is EDTA 50.0g/L, ZnSO4 2.2g/
L, CaCl2•2H2O 5.5g/L, MnCl2•4H2O 5.06g/L, FeSO4•7H2O 5.0g/L, (NH4)6Mo7O2•4H2O 1.1g/L,
CuSO4•5H2O 1.57g/L, CoCl2•6H2O 1.61g/L, pH 6.0.
The present invention has the advantages of technique is simple, and cost is low, and the solid shore spats component being prepared can effectively solve river
Water body carbon-nitrogen ratio is relatively low, microorganism denitrifying carbon source deficiency, total nitrogen（TN）The problem of being difficult to remove, self-purification of water energy can be improved
Power, while be advantageous to Waterfront areas plant growth, microorganism-plant cooperated catharsis is played, has landscape effect concurrently, is ecology
Innovation on purifier, has a good application prospect.
Brief description of the drawings
Fig. 1 is the front view of component of the present invention.
Fig. 2 is the top view of component of the present invention.
Fig. 3 be Fig. 1 in A-A to sectional view.
Fig. 4 is the sectional view of the B-B direction in Fig. 1.
Fig. 5 is the use state figure of component of the present invention（Planting effect figure of the member anchoring i.e. of the present invention behind riverbed）.
Reference：1 --- eco-concrete component main body；2 --- gravel；3 --- iron carbon filler；4 --- soil is filled out
Fill layer；5 --- anchor hole；6 --- water plant；7 --- river course slope protection.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with drawings and examples.
Embodiment 1
As Figure 1-4, the solid shore spats component of the vegetation type for micro- polluted river strengthened denitrification of the invention includes：Ecology is mixed
Native member body 1,3 two kinds of matrix fills of gravel 2 and iron carbon filler, soil packed layer 4 are coagulated, specific preparation method is as follows：
1）Make eco-concrete component main body template：Selection size for 500mm × 500mm × 500mm eco-concrete structure
Part main body template, the surrounding thickness of slab of member body is 50mm, in order to assembly, after assembly is good, for open box structure；
2）Prepare eco-concrete raw material：Water, binder, aggregate, slow release carbon source, inorganic porous material and water reducer are pressed into quality
Than 0.4：2：4.8：0.1：0.15：0.025 prepare, will using Portland cement, mixture of fly ash as binder, with grain
After the zeolite that footpath is 12mm is well mixed as aggregate, slow release carbon source and inorganic porous material, adds water and water reducer is abundant
Stir and evenly mix, obtain concrete mix, maintain water-reducing rate to be more than 20%；
3）Make eco-concrete component main body：By step 2）In concrete batching system, in step 1）Member body template
Upper pouring molding, vibrated, conserve shaping, obtain the eco-concrete component main body that porosity is not less than 20% so that water energy
The eco-concrete component main body enough passed through, compression strength reach 3 ~ more than 5MPa, and the corner of member body 1 sets anchor hole 5,
Aperture is 12mm, member body is fixedly installed in river course；
4）Load matrix fill：3 two kinds of matrix fills of gravel 2 and iron carbon filler are loaded on step 3）Obtained eco-concrete
In member body, the particle diameter of gravel 2 is 9mm, is uniformly layed in member body, laying depth 450mm, and iron carbon filler 3 is city
The micro-electrolysis stuffing that particle diameter is 20mm is sold, is mixed in the center section of gravel 2, not contact member main body 1, loadings account for matrix fill
The 1% of cumulative volume；
5）Make soil packed layer：Will nitrification strain, denitrification strain, soil, 70% high-purity humic acid original powder, trace element and
Water in mass ratio 0.05：0.09：1：0.03：After 1.2 mix, soil packed layer is obtained；
6）By step 5）The soil packed layer of making inserts step 4）In matrix fill hole in, obtain being used for micro- pollution river
Flow the solid shore spats component of vegetation type of strengthened denitrification.
As shown in figure 4, the vegetation type of multiple above-mentioned micro- polluted river strengthened denitrifications being prepared is consolidated into shore spats component
Be stitched together, obtain for the solid shore shoe parts of the vegetation type of micro- polluted river strengthened denitrification, each component by anchor hole,
It is fixed on using anchoring piece on river course slope protection 7, and the planting aquatic plants 6 as needed in each component.
As shown in figure 5, in the solid shore spats component of the above-mentioned vegetation type for micro- polluted river strengthened denitrification being prepared
Matrix fill in, planting aquatic plants, the installation of component is carried out after plant growth is stable, also can be after component installs
Planting is carried out again（As shown in Figure 4）, bottom that component is anchored in Channel slope according to being actually needed.
It should be noted that embodiment described in the invention is merely to illustrate the present invention, rather than the limitation present invention
Scope.In addition, it is to be understood that after present disclosure has been read, those skilled in the art can make various change to the present invention
Dynamic or modification, these equivalent form of values equally fall within the application appended claims limited range.
Compared with prior art, the present invention has advantages below：
（1）Prepared by abundant raw material of the present invention, easily production, cost is low, and using effect is good, the diatomite that uses, calcium-base bentonite, boiling
The materials such as stone, haydite are respectively provided with loose structure, and specific surface area is big, mass transfer performances are good, uses the eco-concrete of these material manufactures
Slow release carbon source extract can be made smoothly to discharge；
（2）It is modified beautiful included in the solid shore spats member body of the vegetation type for micro- polluted river strengthened denitrification of the present invention
Rice core slow release carbon source constantly discharges in water body, nontoxic, can significantly improve water body C/N ratios, biochemical is provided for denitrification
Good carbon source, denitrification speed is improved, so as to improve removal effect of the ecological reestablishment to water body total nitrogen, and this hair
The bright material used is natural organic carbon source and natural inorganic material, and no chemical synthesis composition, cost is low, pollution-free, compared to
Using the method for the liquid carbon sources such as conventional methanol, sodium acetate, more than 50% can be reduced using cost of the present invention；
（3）The solid shore spats member body of the vegetation type for micro- polluted river strengthened denitrification of the present invention and filler are porous knot
Structure, there is the characteristics of specific surface area is big, be advantageous to the formation of biomembrane, play the degradation of microorganism, member body is more
It hole concrete structure, can make component and water body that there is good function of exchange, play catharsis；
（4）The present invention includes Iron carbon reduction material using matrix fill, can promote the removal of hardly degraded organic substance in water, carry
The biodegradability of high water body, while the nitrification and denitrification microorganism with efficient denitrification effect is with the addition of, improve to water body
The removal of middle nitrogen pollutant and COD；
（5）The soil packed layer that the present invention is used in the solid shore spats component of vegetation type of micro- polluted river strengthened denitrification is also beneficial to
The growth of plant, can be according to required aesthetic and clean-up effect planting aquatic plants, and plant is with growing on filler
Microorganism can also be formed synergistic purification effect, can purifying water body, improve water body self-purification ability, and can regulation ecology, beautify ring
Border, there is high application value in water course in situ reparation.
Claims (7)
1. the solid shore spats component of a kind of vegetation type for micro- polluted river strengthened denitrification, it is characterised in that the component includes life
State concrete component main body, matrix fill and soil packed layer, matrix fill are loaded on eco-concrete component body interior, soil
Earth packed layer is filled in matrix fill space, and described eco-concrete component main body is by slow release carbon source, binder, bone
Material, inorganic porous material, the case of water reducer and eco-concrete mixture pouring molding in member body template made of water
Shape structure, and anchor hole is set in corner, described matrix fill is gravel, iron carbon filler is 99 by weight：1 is well mixed
Form, described soil packed layer is by denitrification microorganism strain, soil, humic acid, trace element and water 0.03- in mass ratio
0.07：0.1：1：0.02：1 well mixed composition.
2. the solid shore spats component of the vegetation type according to claim 1 for micro- polluted river strengthened denitrification, its feature exist
In being spliced as the solid shore spats component of the vegetation type for micro- polluted river strengthened denitrification described in multiple claims 1
Component, to planting aquatic plants.
3. the preparation method of the solid shore spats component of the vegetation type for micro- polluted river strengthened denitrification described in claim 1 or 2,
It is characterised in that it includes following steps：
1）Eco-concrete component main body template is made, selects template size, reserves anchor hole；
2）Prepare eco-concrete mixture：Water, binder, aggregate, slow release carbon source, inorganic porous material and water reducer are pressed into matter
Amount compares 0.34-0.51：1.7-2.5：4.5-5.0：0.05-0.15：0.1-0.2：0.02-0.03 is prepared, first by binder, bone
After material, slow release carbon source and inorganic porous material are well mixed, add water and water reducer is sufficiently stirred mixing, obtain ecological coagulation
Native mixture, water-reducing rate is maintained to be more than 20%；
3）Make eco-concrete component main body：By step 2）In eco-concrete mix, in step 1）Member body
Pouring molding in template, vibrated, conserve shaping, obtain concrete segment porosity not less than 20% so that water can pass through
Eco-concrete component main body；
4）Load matrix fill：Gravel and iron carbon filler matrix fill are loaded on step 3）Obtained eco-concrete component master
In vivo；
5）Make soil packed layer：By denitrification microorganism strain, soil, humic acid, trace element and water 0.03- in mass ratio
0.07：0.08-0.1：1：0.02-0.05：After 1-1.5 is mixed, soil packed layer is obtained；
6）By step 5）The soil packed layer of making inserts step 4）In matrix fill hole in, obtain being used for micro- pollution river
Flow the solid shore spats component of vegetation type of strengthened denitrification.
4. the preparation side of the solid shore spats component of the vegetation type according to claim 3 for micro- polluted river strengthened denitrification
Method, it is characterised in that described eco-concrete component main body template size be 500mm × 500mm × 500mm, 1000mm ×
500mm × 500mm or 2000mm × 500mm × 500mm, member body template thickness of slab is 50mm；The hole of described anchor hole
Footpath is 10mm ~ 15mm.
5. the preparation side of the solid shore spats component of the vegetation type according to claim 3 for micro- polluted river strengthened denitrification
Method, it is characterised in that described slow release carbon source is the corn powder through decolorization, and particle diameter is 60-80 mesh；Described combination
Expect one or two kinds of mixtures for Portland cement, flyash or portland slag cement；Described aggregate is boiling
The mixture of one or both of stone, haydite, particle size range are 10 ~ 15mm；Described inorganic porous material is diatomite, calcium
The mixture of one or both of base bentonite；Described water reducer is high-efficiency water-reducing agent of poly-carboxylic acid.
6. the preparation side of the solid shore spats component of the vegetation type according to claim 3 for micro- polluted river strengthened denitrification
Method, it is characterised in that described grain size of gravel scope is 8 ~ 10mm, is uniformly layed in member body, and laying depth is
450mm；
Described iron carbon filler is commercially available micro-electrolysis stuffing, and particle diameter is 10 ~ 30mm, can improve the biodegradability of water body, is mixed
Together in gravel center section, contact member main body, loadings do not account for the 1% of matrix fill cumulative volume.
7. the preparation side of the solid shore spats component of the vegetation type according to claim 3 for micro- polluted river strengthened denitrification
Method, it is characterised in that the height of described soil packed layer is the 65-75% of eco-concrete component body thickness；Described is de-
Nitrogen microorganism fungus kind is the one or more kinds of mixture of nitrification strain, denitrification strain, and described humic acid is 70% high-purity
Humic acid original powder；Described trace element is the well mixed obtained salting liquid of plurality of inorganic salt, and its composition is EDTA 50.0g/
L, ZnSO42.2g/L, CaCl2•2H2O 5.5g/L, MnCl2•4H2O 5.06g/L, FeSO4•7H2O 5.0g/L, (NH4)6Mo7O2•4H2O 1.1g/L, CuSO4•5H2O 1.57g/L, CoCl2•6H2O 1.61g/L, pH 6.0.
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Cited By (1)
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| CN109179667A (en) * | 2018-09-20 | 2019-01-11 | 辽宁大学 | A kind of method that sleeping stem red-spotted stonecrop-microbial association repairs Riparian Zone runoff rainwater |
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