CN107879478A - The ecological bed water remediation method of artificial-strengthening - Google Patents
The ecological bed water remediation method of artificial-strengthening Download PDFInfo
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- CN107879478A CN107879478A CN201711132772.0A CN201711132772A CN107879478A CN 107879478 A CN107879478 A CN 107879478A CN 201711132772 A CN201711132772 A CN 201711132772A CN 107879478 A CN107879478 A CN 107879478A
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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
- 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
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
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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
Abstract
The ecological bed water remediation method of artificial-strengthening, the present invention relates to water remediation method.The Biocompatibility used the invention solves existing restorative procedure is poor, and microorganism adhesion amount is limited in system, and processing pollutant adsorption efficiency is low, takes up an area the problem of big, plant harvesting is difficult and blocks.Method：Enhanced ecological bed is built in the area of slack water in polluted natural water body region, enhanced ecological bed is by host material, packing material and plant constitution；Or host material is uniformly mixed with packing material, then the mixture of host material and packing material is added to the area of slack water in polluted natural water body region, or host material and packing material alternatively layered are layed in the area of slack water in polluted natural water body region, then planting plants.The present invention is used for the ecological bed water remediation method of artificial-strengthening.
Description
Technical field
The present invention relates to water remediation method.
Background technology
Artificial swamp is initiated by the natural Ecosystem Technologies of later stage the 1970s simulation, relies primarily on microorganism
Biological chemistry action with plant removes pollutant, and traditional artificial swamp is generally gathered materials on the spot, and is made using soil, sand, gravel
For matrix, but its adsorption capacity is poor, transmit oxygen ability and attached microbial ability it is limited, pollutant mainly passes through
The absorption of filtering, precipitation and plant removes, therefore handles bad.
Traditional intensifying method is mixed by a certain percentage instead of traditional people using materials such as flyash, zeolite, slags
Work Wetland Substrate, strengthen its treatment effect, it is larger compared to traditional soil, its porosity of gravel and specific surface area, improve
To the adsorption capacity of pollutant, reached after adsorption saturation by the absorption of plant and the oxidation Decomposition adsorbent of microorganism
To Natural re generation, the service life of matrix is extended, but this Biocompatibility is often poor, microorganism is attached in system
The amount of wearing is limited, and the suction-operated for relying primarily on the absorption and matrix of plant removes pollutant, and this just determines and there is
Processing pollutant efficiency is low, and (TOC clearances are only 60%~70%, and nitrogen removal rate is only 40%~60%, the removal of total phosphorus
Rate is only 40%~60%), take up an area the problem of big, plant harvesting is difficult and blocks.
In summary, the effect for giving full play to microorganism inside artificial swamp is the key point to solve the above problems.
The content of the invention
The Biocompatibility used the invention solves existing restorative procedure is poor, there is microorganism adhesion amount in system
Limit, processing pollutant adsorption efficiency is low, takes up an area the problem of big, plant harvesting is difficult and blocks, and provides artificial-strengthening ecological bed water
Body repairing method.
The ecological bed water remediation method of artificial-strengthening follows the steps below：
First, polluted natural water body region is chosen；
2nd, polluted natural water body region area of slack water build enhanced ecological bed, described enhanced ecological bed by
Host material, packing material and plant constitution, host material is uniformly mixed with packing material through drum mixer first, obtained
To host material and the mixture of packing material, then the mixture of host material and packing material is added to contaminated natural
The area of slack water of water area, then by planting on the mixture of host material and packing material, or planting exists again
On soil around the mixture and polluted natural water body region of host material and packing material, that is, complete artificial-strengthening ecology
Bed water remediation method；
Described host material is bio-based materials, carbon material, inorganic silicate material, gravel, zeolite, volcanic rock, pottery
One kind or wherein several mixtures in grain, flyash, cobblestone, quartz sand, medical stone, coarse sand and fine sand grain；It is described
Host material particle diameter be 2cm~15cm；
Described packing material is carbon fibre material, basalt fiber material, polypropylene fiber material, fiber optic materials, tree
Fat material, organic synthesis high polymer material, polyester material, nylon material, vinylon material, cotton fiber material, modified fibre
One kind or wherein several mixtures in material, bloodstone and magnetic iron ore；Described packing material minimum length is 1cm；Institute
The packing material stated accounts for the 0.2%~2.0% of the mixture quality of host material and packing material；
Described plant is very water class plant or heavy water class plant.
The ecological bed water remediation method of artificial-strengthening follows the steps below：
First, polluted natural water body region is chosen；
2nd, polluted natural water body region area of slack water build enhanced ecological bed, described enhanced ecological bed by
Host material, packing material and plant constitution, host material and packing material alternatively layered are layed in first contaminated natural
The area of slack water of water area, and host material and total number of plies of packing material laying are at least 2 layers, a height of 1cm of every layer of smallest tier,
The system the superiors after laying are host material, then by planting on host material, that is, it is ecological bed to complete artificial-strengthening
Water remediation method；
Described host material is bio-based materials, carbon material, inorganic silicate material, gravel, zeolite, volcanic rock, pottery
One kind or wherein several mixtures in grain, flyash, cobblestone, quartz sand, medical stone, coarse sand and fine sand grain；It is described
Host material particle diameter be 2cm~15cm；
Described packing material is carbon fibre material, basalt fiber material, polypropylene fiber material, fiber optic materials, tree
Fat material, organic synthesis high polymer material, polyester material, nylon material, vinylon material, cotton fiber material, modified fibre
One kind or wherein several mixtures in material, bloodstone and magnetic iron ore；Described packing material minimum length is 1cm；Institute
The packing material stated accounts for the 0.2%~2.0% of the mixture quality of host material and packing material；
Described plant is very water class plant or heavy water class plant.
The beneficial effects of the invention are as follows：
1st, host material provides carrier for the growth of plant and microorganism, beneficial to the stretching, extension of root system of plant, passes through absorption, oxygen
The polluters such as the effect such as change, bioconversion organics removal, nitrogen, phosphorus.The descending arrangement on request of particle diameter can be beneficial to antirust
Wire netting fixation is ecological bed, prevents small particle host material and packing material from being washed away with current, while also play water distribution uniformity
Effect.
2nd, packing material is because specific surface area is big, biocompatibility is good, and its adsorption capacity is relatively strong, biofilm speed,
The biomass of microorganism in ecological bed system can be increased, enhanced biological conversion, efficient degradation pollutant, effectively reduced ecological bed
The phenomenon of blocking.
3rd, planting, can the effectively polluter such as absorbed nitrogen phosphorus, and be system by Radial Oxygen Loss from Root on host material
Interior microorganism provides from top to bottom, dissolved oxygen gradient from high to low, enriches microbiological paper method, and then enhancement microbiological is to dirt
Contaminate the removal effect of thing.
4th, the TOC clearances of artificial-strengthening ecology bed system water outlet can reach more than 88%, and nitrogen removal rate can reach
More than 84%, the clearance of total phosphorus can reach more than 62%, and TOC of yielding water, TN and TP can reach the class water quality standard of earth's surface IV, and should
System is not limited to the laying of Traditional Man wetland large area, configuration can be adjusted flexibly according to actual conditions.
The present invention is used for the ecological bed water remediation method of artificial-strengthening.
Brief description of the drawings
Fig. 1 is that embodiment one builds the schematic diagram of enhanced ecological bed in the area of slack water in river course；
Fig. 2 is sectional views of the Fig. 1 along A-A directions；1 is canna, and 2 be antirust wire netting, and 3 be basalt fibre silk, and 4 are
Gravel, 5 be volcanic rock；
Fig. 3 is the gravel system response device of contrast blank assay structure, and 1 is gravel, and 2 be bed mud；
Fig. 4 is the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment one, and 1 is canna, and 2 be basalt fibre
Silk, 3 be volcanic rock, and 4 be bed mud；
Fig. 5 is the TOC removal effect figures of water outlet after the system run all right of embodiment one；1 is water inlet, and 2 is real for contrast blank
The gravel system response device of structure is tested, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment one；
Fig. 6 is the TN removal effect figures of water outlet after the system run all right of embodiment one；1 is water inlet, and 2 be contrast blank assay
The gravel system response device of structure, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment one；
Fig. 7 is the TP removal effect figures of water outlet after the system run all right of embodiment one；1 is water inlet, and 2 be contrast blank assay
The gravel system response device of structure, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment one；
Fig. 8 is that the area of slack water in the Minitype manual lake of embodiment two builds the schematic diagram of enhanced ecological bed；1 is water inlet, and 2 are
Delivery port；
Fig. 9 is sectional views of the Fig. 8 along A-A directions；1 is black algae, and 2 be gravel, and 3 be carbon fiber wire；
Figure 10 is the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment two, and 1 is black algae, and 2 be gravel, and 3 be carbon
Filament, 4 be bed mud；
Figure 11 is the TOC removal effects of the stable rear water outlet of embodiment two system；1 is water inlet, and 2 be contrast blank assay
The gravel system response device of structure, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment two；
Figure 12 is the TN removal effects of the stable rear water outlet of embodiment two system；1 is water inlet, and 2 be contrast blank assay
The gravel system response device of structure, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment two；
Figure 13 is the TP removal effects of the stable rear water outlet of embodiment two system；1 is water inlet, and 2 be contrast blank assay
The gravel system response device of structure, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment two.
Embodiment
Embodiment one：The ecological bed water remediation method of artificial-strengthening described in present embodiment is according to following step
Suddenly carry out：
First, polluted natural water body region is chosen；
2nd, polluted natural water body region area of slack water build enhanced ecological bed, described enhanced ecological bed by
Host material, packing material and plant constitution, host material is uniformly mixed with packing material through drum mixer first, obtained
To host material and the mixture of packing material, then the mixture of host material and packing material is added to contaminated natural
The area of slack water of water area, then by planting on the mixture of host material and packing material, or planting exists again
On soil around the mixture and polluted natural water body region of host material and packing material, that is, complete artificial-strengthening ecology
Bed water remediation method；
Described host material is bio-based materials, carbon material, inorganic silicate material, gravel, zeolite, volcanic rock, pottery
One kind or wherein several mixtures in grain, flyash, cobblestone, quartz sand, medical stone, coarse sand and fine sand grain；It is described
Host material particle diameter be 2cm~15cm；
Described packing material is carbon fibre material, basalt fiber material, polypropylene fiber material, fiber optic materials, tree
Fat material, organic synthesis high polymer material, polyester material, nylon material, vinylon material, cotton fiber material, modified fibre
One kind or wherein several mixtures in material, bloodstone and magnetic iron ore；Described packing material minimum length is 1cm；Institute
The packing material stated accounts for the 0.2%~2.0% of the mixture quality of host material and packing material；
Described plant is very water class plant or heavy water class plant.
The beneficial effect of present embodiment is：
1st, host material provides carrier for the growth of plant and microorganism, beneficial to the stretching, extension of root system of plant, passes through absorption, oxygen
The polluters such as the effect such as change, bioconversion organics removal, nitrogen, phosphorus.The descending arrangement on request of particle diameter can be beneficial to antirust
Wire netting fixation is ecological bed, prevents small particle host material and packing material from being washed away with current, while also play water distribution uniformity
Effect.
2nd, packing material is because specific surface area is big, biocompatibility is good, and its adsorption capacity is relatively strong, biofilm speed,
The biomass of microorganism in ecological bed system can be increased, enhanced biological conversion, efficient degradation pollutant, effectively reduced ecological bed
The phenomenon of blocking.
3rd, planting, can the effectively polluter such as absorbed nitrogen phosphorus, and be system by Radial Oxygen Loss from Root on host material
Interior microorganism provides from top to bottom, dissolved oxygen gradient from high to low, enriches microbiological paper method, and then enhancement microbiological is to dirt
Contaminate the removal effect of thing.
4th, the TOC clearances of artificial-strengthening ecology bed system water outlet can reach more than 88%, and nitrogen removal rate can reach
More than 84%, the clearance of total phosphorus can reach more than 62%, and TOC of yielding water, TN and TP can reach the class water quality standard of earth's surface IV, and should
System is not limited to the laying of Traditional Man wetland large area, configuration can be adjusted flexibly according to actual conditions.
Embodiment two：Present embodiment is unlike embodiment one：Plant described in step 2
For canna, calamus, parasol bamboo, reed, cattail, Scirpus tabernaemontani, rush, thaliadeabata, Lythrum salicaria, black algae, eel grass, potamogeton malaianus
With one kind in watermifoil or wherein several combinations.It is other identical with embodiment one.
Embodiment three：Unlike one of present embodiment and embodiment one or two：In step 2 when
In the case of there is no fixture around the area of slack water in polluted natural water body region, it is necessary in enhanced ecological around bed iron wire
Net is fixed.It is other identical with embodiment one or two.
Embodiment four：Unlike one of present embodiment and embodiment one to three：In step 2 when
, it is necessary to use grain in enhanced ecological around bed in the case of there is no fixture around the area of slack water in polluted natural water body region
Footpath is that 8cm~15cm gravel buildup is fixed into gravel wall.It is other identical with embodiment one to three.
Embodiment five：Unlike one of present embodiment and embodiment one to four：Institute in step 2
The packing material stated accounts for the 0.4% of the mixture quality of host material and packing material.Other and embodiment one to four
It is identical.
Embodiment six：The ecological bed water remediation method of artificial-strengthening described in present embodiment is according to following step
Suddenly carry out：
First, polluted natural water body region is chosen；
2nd, polluted natural water body region area of slack water build enhanced ecological bed, described enhanced ecological bed by
Host material, packing material and plant constitution, host material and packing material alternatively layered are layed in first contaminated natural
The area of slack water of water area, and host material and total number of plies of packing material laying are at least 2 layers, a height of 1cm of every layer of smallest tier,
The system the superiors after laying are host material, then by planting on host material, that is, it is ecological bed to complete artificial-strengthening
Water remediation method；
Described host material is bio-based materials, carbon material, inorganic silicate material, gravel, zeolite, volcanic rock, pottery
One kind or wherein several mixtures in grain, flyash, cobblestone, quartz sand, medical stone, coarse sand and fine sand grain；It is described
Host material particle diameter be 2cm~15cm；
Described packing material is carbon fibre material, basalt fiber material, polypropylene fiber material, fiber optic materials, tree
Fat material, organic synthesis high polymer material, polyester material, nylon material, vinylon material, cotton fiber material, modified fibre
One kind or wherein several mixtures in material, bloodstone and magnetic iron ore；Described packing material minimum length is 1cm；Institute
The packing material stated accounts for the 0.2%~2.0% of the mixture quality of host material and packing material；
Described plant is very water class plant or heavy water class plant.
The beneficial effect of present embodiment is：
1st, host material provides carrier for the growth of plant and microorganism, beneficial to the stretching, extension of root system of plant, passes through absorption, oxygen
The polluters such as the effect such as change, bioconversion organics removal, nitrogen, phosphorus.The descending arrangement on request of particle diameter can be beneficial to antirust
Wire netting fixation is ecological bed, prevents small particle host material and packing material from being washed away with current, while also play water distribution uniformity
Effect.
2nd, packing material is because specific surface area is big, biocompatibility is good, and its adsorption capacity is relatively strong, biofilm speed,
The biomass of microorganism in ecological bed system can be increased, enhanced biological conversion, efficient degradation pollutant, effectively reduced ecological bed
The phenomenon of blocking.
3rd, planting, can the effectively polluter such as absorbed nitrogen phosphorus, and be system by Radial Oxygen Loss from Root on host material
Interior microorganism provides from top to bottom, dissolved oxygen gradient from high to low, enriches microbiological paper method, and then enhancement microbiological is to dirt
Contaminate the removal effect of thing.
4th, the TOC clearances of artificial-strengthening ecology bed system water outlet can reach more than 88%, and nitrogen removal rate can reach
More than 84%, the clearance of total phosphorus can reach more than 62%, and TOC of yielding water, TN and TP can reach the class water quality standard of earth's surface IV, and should
System is not limited to the laying of Traditional Man wetland large area, configuration can be adjusted flexibly according to actual conditions.
Embodiment seven：Present embodiment is unlike embodiment six：Plant described in step 2
For canna, calamus, parasol bamboo, reed, cattail, Scirpus tabernaemontani, rush, thaliadeabata, Lythrum salicaria, black algae, eel grass, potamogeton malaianus
With one kind in watermifoil or wherein several combinations.It is other identical with embodiment six.
Embodiment eight：Unlike one of present embodiment and embodiment six or seven：In step 2 when
In the case of there is no fixture around the area of slack water in polluted natural water body region, it is necessary in enhanced ecological around bed iron wire
Net is fixed.It is other identical with embodiment six or seven.
Embodiment nine：Unlike one of present embodiment and embodiment six to eight：In step 2 when
, it is necessary to use grain in enhanced ecological around bed in the case of there is no fixture around the area of slack water in polluted natural water body region
Footpath is that 8cm~15cm gravel buildup is fixed into gravel wall.It is other identical with embodiment six to eight.
Embodiment ten：Unlike one of present embodiment and embodiment six to nine：Will in step 2
Host material and packing material alternatively layered are layed in the area of slack water in polluted natural water body region, when host material particle diameter not
Meanwhile the particle diameter of described host material is descending arrangement from bottom to top.It is other identical with embodiment six to nine.
Beneficial effects of the present invention are verified using following examples：
Embodiment one：
The present embodiment proposes the ecological bed water remediation method of artificial-strengthening, the in-situ immobilization applied to river course area of slack water.Base
Material selects volcanic rock, packing material selection basalt fibre silk, Plant choosing canna, specifically arranges such as the institutes of Fig. 1 and 2
Show, Fig. 1 is that embodiment one builds the schematic diagram of enhanced ecological bed in the area of slack water in river course；Fig. 2 is Fig. 1 cuing open along A-A directions
View；1 is canna, and 2 be antirust wire netting, and 3 be basalt fibre silk, and 4 be gravel, and 5 be volcanic rock；
The ecological bed water remediation method of artificial-strengthening follows the steps below：
First, enhanced ecological bed is built in the area of slack water in river course, uses gravel buildup of the particle diameter for 10cm into gravel wall,
The basalt fibre silk that gravel alternatively layered laying particle diameter is 5cm successively from the bottom to top within the walls volcanic rock and length are 12cm,
System after being laid；
The volcanic rock that described particle diameter is 5cm lays 4 layers, is 30cm per layer height；Described length is the 12cm Black Warrior
Rock filament lays 3 layers, is 5cm per layer height；
The system the superiors after described laying are the volcanic rock that particle diameter is 5cm；
Described basalt fibre silk accounts for the 0.5% of volcanic rock and the mixture quality of basalt fibre silk；
Described gravel wall thickness is 10cm；
2nd, the system after laying is fixed on by bank using antirust wire netting, is fixed system；
3rd, by Growth of Canna on the volcanic rock that the superiors' particle diameter is 5cm, i.e. the completion ecological bed water body of artificial-strengthening is repaiied
Compound method；
Described Growth of Canna density is 12 plants/square metre.
The lab scale reactor ecological bed using artificial-strengthening is built, checking the present embodiment utilize the ecological bed water body of artificial-strengthening
Restorative procedure is specifically realized by the following steps to pollutant removal in water body：
The ecological bed lab scale reactor of artificial-strengthening is built, the ecological bed lab scale reactor of artificial-strengthening is length × width × height
=300mm × 150mm × 200mm cuboid, material are lucite.
Fig. 3 is the gravel system response device of contrast blank assay structure, and 1 is gravel, and 2 be bed mud；Contrasting blank assay is
Layering laying bed mud and gravel successively from the bottom to top, bed mud thickness be 2cm, gravel thickness 10cm, specific as shown in Figure 3.
Fig. 4 is the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment one, and 1 is canna, and 2 be basalt fibre
Silk, 3 be volcanic rock, and 4 be bed mud；The ecological bed lab scale reactor of artificial-strengthening of the present embodiment structure is as shown in figure 4, bottom is spread
If bed mud, bed mud top alternatively layered laying volcanic rock and basalt fibre silk successively from the bottom to top, bed mud thickness is 2cm, institute
The volcanic rock that the particle diameter stated is 5cm lays 4 layers, is 30cm per layer height；The basalt fibre silk that described length is 12cm is spread
If 3 layers, be 5cm per layer height；Wherein basalt fibre silk accounts for volcanic rock and the mixture quality of basalt fibre silk
0.5%, 1 plant of described Growth of Canna, intake as 5L water distributions, hydraulic detention time 2d.
Fig. 5 is the TOC removal effect figures of water outlet after the system run all right of embodiment one；1 is water inlet, and 2 is real for contrast blank
The gravel system response device of structure is tested, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment one；Fig. 6 is implementation
The TN removal effect figures of water outlet after the system run all right of example one；1 is water inlet, and 2 is anti-for the gravel system of contrast blank assay structure
Device is answered, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment one；Fig. 7 is after the system run all right of embodiment one
The TP removal effect figures of water outlet；1 is water inlet, and the 2 gravel system response devices built for contrast blank assay, 3 be the structure of embodiment one
The ecological bed lab scale reactor of the artificial-strengthening built；
, can be with from Fig. 6 from fig. 5, it can be seen that the TOC clearances of artificial-strengthening ecology bed system water outlet can reach 88.1%
Find out, the nitrogen removal rate of artificial-strengthening ecology bed system can reach 84.0%, and the nitrogen removal rate of gravel system only reaches
36.2%.From figure 7 it can be seen that the clearance of total phosphorus can reach 64.8% in artificial-strengthening ecology bed system, and gravel system
For water outlet total phosphorus then without significant change, the present embodiment TOC of yielding water, TN and TP reach the class water quality standard of earth's surface IV.The result illustrates base
Though material can provide carrier for the attachment of microorganism, its adhesion amount is limited, and the removal effect of pollutant is also accordingly limited,
But increase the biomass of microorganism in ecological bed system after adding basalt fibre silk packing material, it is strong by absorption/oxidation
Change bioconversion, efficient degradation pollutant, by the effect of microorganism in high degree performance system, plant canna is on the one hand
Natural dissolved oxygen gradient can be provided for host material and packing material with the nutritive salt such as absorbed nitrogen phosphorus, another aspect Radial Oxygen Loss from Root,
The species of abundant attached microbial, by the biodegradation of microorganism in high degree performance system, accelerate host material
With packing material absorption regeneration process, solve the problems, such as easily to block in traditional intensifying method, take up an area big and plant harvesting difficulty.
Embodiment two：
This implementation proposes the ecological bed water remediation method of artificial-strengthening, the in-situ immobilization applied to Minitype manual lake.Matrix
Material selects gravel, and packing material selection carbon fiber wire, the black algae of Plant choosing, as can be seen from figures 8 and 9, Fig. 8 is real to specific arrangement
Apply the schematic diagram of the area of slack water structure enhanced ecological bed in the Minitype manual lake of example two；1 is water inlet, and 2 be delivery port；Fig. 9 is Fig. 8
Along the sectional view in A-A directions；1 is black algae, and 2 be gravel, and 3 be carbon fiber wire.
The ecological bed water remediation method of artificial-strengthening follows the steps below：
First, enhanced ecological bed is built in the area of slack water in Minitype manual lake, is 6cm by gravel and length that particle diameter is 4cm
Carbon fiber wire uniformly mixed through drum mixer, obtain the mixture of gravel and carbon fiber wire, it is then that gravel and carbon is fine
The mixture of dimension silk is added to area of slack water, the system after being laid；
Described carbon fiber wire accounts for the 0.4% of the mixture quality of gravel and carbon fiber wire；Gravel and carbon fiber wire it is mixed
Compound thickness is 10cm；
2nd, black algae is planted in the system after laying, that is, completes the ecological bed water remediation method of artificial-strengthening；
Described black algae planting density is 10 clumps/square metre.
The lab scale reactor ecological bed using artificial-strengthening is built, checking the present embodiment utilize the ecological bed water body of artificial-strengthening
Restorative procedure is specifically realized by the following steps to pollutant removal in water body：
The ecological bed lab scale reactor of artificial-strengthening is built, the ecological bed lab scale reactor of artificial-strengthening is length × width × height
=300mm × 150mm × 200mm cuboid, material are lucite.
Figure 10 is the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment two, and 1 is black algae, and 2 be gravel, and 3 be carbon
Filament, 4 be bed mud；The lab scale reactor that the artificial-strengthening of the present embodiment structure is ecological bed is as shown in Figure 10, bottom laying bottom
The mixture of mud, bed mud top laying gravel and carbon fiber wire, bed mud thickness 2cm, wherein carbon fiber wire length are 6cm, gravel
Particle diameter is 4cm, and the mixture thickness of gravel and carbon fiber wire is 10cm, and described carbon fiber wire accounts for the mixed of gravel and carbon fiber wire
The 0.4% of compound quality, black algae plant 1 clump, intake as 5L water distributions, hydraulic detention time 2d.
Figure 11 is the TOC removal effects of the stable rear water outlet of embodiment two system；1 is water inlet, and 2 be contrast blank assay
The gravel system response device of structure, 3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment two；Figure 12 is embodiment
The TN removal effects of water outlet after two system is stable；1 is water inlet, and 2 is contrast the gravel system response devices of blank assay structure,
3 be the ecological bed lab scale reactor of the artificial-strengthening of the structure of embodiment two；Figure 13 is the stable rear water outlet of embodiment two system
TP removal effects；1 is water inlet, and the 2 gravel system response devices built for contrast blank assay, 3 be the people that embodiment two is built
Work strengthens ecological bed lab scale reactor；
It can be seen from figure 11 that the TOC clearances of artificial-strengthening ecology bed system water outlet can be to 86.8%, can be with from Figure 12
Find out, the nitrogen removal rate of artificial-strengthening ecology bed system can reach 83.7%, and the nitrogen removal rate of gravel system only reaches
36.2%, as can be seen from Figure 13, total tp removal rate of artificial-strengthening ecology bed system can reach 61.9%, and contrast blank reality
Test in the case of only using gravel, system water outlet total phosphorus then reaches earth's surface without significant change, the present embodiment TOC of yielding water, TN and TP
IV class water quality standard.Though the result illustrates that host material can provide carrier for the attachment of microorganism, its adhesion amount is limited, to pollution
The removal effect of thing is also accordingly limited, but increases the biology of microorganism in ecological bed system after adding carbon fiber wire packing material
Amount, converted by absorption/oxidation enhanced biological, efficient degradation pollutant, pass through the work of microorganism in high degree performance system
With the black algae of plant on the one hand can be with nutritive salt such as absorbed nitrogen phosphorus, and it is matrix that on the other hand it secretes oxygen by rhizome, blade under water
Material and packing material provide natural dissolved oxygen gradient, the species of attached microbial are enriched, by high degree performance system
The biodegradation of microorganism, accelerate host material and packing material absorption regeneration process, solve in traditional intensifying method easily
Block, take up an area the problems such as big and plant harvesting difficulty.
Claims (10)
1. the ecological bed water remediation method of artificial-strengthening, it is characterised in that the ecological bed water remediation method of artificial-strengthening be according to
What lower step was carried out：
First, polluted natural water body region is chosen；
2nd, enhanced ecological bed is built in the area of slack water in polluted natural water body region, described enhanced ecological bed is by matrix
Material, packing material and plant constitution, host material is uniformly mixed with packing material through drum mixer first, obtains base
The mixture of material and packing material, then the mixture of host material and packing material is added to polluted natural water body
The area of slack water in region, then by planting on the mixture of host material and packing material, or again by planting in matrix
On soil around the mixture and polluted natural water body region of material and packing material, that is, complete the ecological bed water of artificial-strengthening
Body repairing method；
Described host material is bio-based materials, carbon material, inorganic silicate material, gravel, zeolite, volcanic rock, haydite, powder
One kind or wherein several mixtures in coal ash, cobblestone, quartz sand, medical stone, coarse sand and fine sand grain；Described matrix
Material particle size is 2cm~15cm；
Described packing material is carbon fibre material, basalt fiber material, polypropylene fiber material, fiber optic materials, resinous wood
Material, organic synthesis high polymer material, polyester material, nylon material, vinylon material, cotton fiber material, modified fiber materials,
One kind or wherein several mixtures in bloodstone and magnetic iron ore；Described packing material minimum length is 1cm；Described fills out
Fill material accounts for the mixture quality of host material and packing material 0.2%~2.0%；
Described plant is very water class plant or heavy water class plant.
2. the ecological bed water remediation method of artificial-strengthening according to claim 1, it is characterised in that described in step 2
Plant is canna, calamus, parasol bamboo, reed, cattail, Scirpus tabernaemontani, rush, thaliadeabata, Lythrum salicaria, black algae, eel grass, leaf of bamboo eye
One kind or wherein several combinations in sub- dish and watermifoil.
3. the ecological bed water remediation method of artificial-strengthening according to claim 1, it is characterised in that when getting dirty in step 2
, it is necessary to be consolidated in enhanced ecological around bed with wire netting in the case of there is no fixture around the area of slack water in dye natural water body region
It is fixed.
4. the ecological bed water remediation method of artificial-strengthening according to claim 1, it is characterised in that when getting dirty in step 2
In the case of there is no fixture around the area of slack water in dye natural water body region, it is necessary to enhanced ecological around bed use particle diameter for
8cm~15cm gravel buildup is fixed into gravel wall.
5. the ecological bed water remediation method of artificial-strengthening according to claim 1, it is characterised in that described in step 2
Packing material accounts for the 0.4% of the mixture quality of host material and packing material.
6. the ecological bed water remediation method of artificial-strengthening, it is characterised in that the ecological bed water remediation method of artificial-strengthening be according to
What lower step was carried out：
First, polluted natural water body region is chosen；
2nd, enhanced ecological bed is built in the area of slack water in polluted natural water body region, described enhanced ecological bed is by matrix
Material, packing material and plant constitution, host material and packing material alternatively layered are layed in polluted natural water body first
The area of slack water in region, and host material and total number of plies of packing material laying are at least 2 layers, a height of 1cm of every layer of smallest tier, laying
The system the superiors afterwards are host material, then by planting on host material, that is, complete the ecological bed water body of artificial-strengthening
Restorative procedure；
Described host material is bio-based materials, carbon material, inorganic silicate material, gravel, zeolite, volcanic rock, haydite, powder
One kind or wherein several mixtures in coal ash, cobblestone, quartz sand, medical stone, coarse sand and fine sand grain；Described matrix
Material particle size is 2cm~15cm；
Described packing material is carbon fibre material, basalt fiber material, polypropylene fiber material, fiber optic materials, resinous wood
Material, organic synthesis high polymer material, polyester material, nylon material, vinylon material, cotton fiber material, modified fiber materials,
One kind or wherein several mixtures in bloodstone and magnetic iron ore；Described packing material minimum length is 1cm；Described fills out
Fill material accounts for the mixture quality of host material and packing material 0.2%~2.0%；
Described plant is very water class plant or heavy water class plant.
7. the ecological bed water remediation method of artificial-strengthening according to claim 6, it is characterised in that described in step 2
Plant is canna, calamus, parasol bamboo, reed, cattail, Scirpus tabernaemontani, rush, thaliadeabata, Lythrum salicaria, black algae, eel grass, leaf of bamboo eye
One kind or wherein several combinations in sub- dish and watermifoil.
8. the ecological bed water remediation method of artificial-strengthening according to claim 6, it is characterised in that when getting dirty in step 2
, it is necessary to be consolidated in enhanced ecological around bed with wire netting in the case of there is no fixture around the area of slack water in dye natural water body region
It is fixed.
9. the ecological bed water remediation method of artificial-strengthening according to claim 6, it is characterised in that when getting dirty in step 2
In the case of there is no fixture around the area of slack water in dye natural water body region, it is necessary to enhanced ecological around bed use particle diameter for
8cm~15cm gravel buildup is fixed into gravel wall.
10. the ecological bed water remediation method of artificial-strengthening according to claim 6, it is characterised in that by matrix in step 2
Material is layed in the area of slack water in polluted natural water body region with packing material alternatively layered, when the particle diameter of host material is different
When, the particle diameter of described host material is descending arrangement from bottom to top.
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| CN113287383A (en) * | 2021-06-04 | 2021-08-24 | 中国水利水电科学研究院 | Ecological improvement method for sandy river channel matrix |
| CN115072877A (en) * | 2022-06-10 | 2022-09-20 | 哈尔滨工业大学 | Ecological filter wall and application thereof |
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