CN109354159A - A method of suitable for micropollutant water in-situ immobilization - Google Patents
A method of suitable for micropollutant water in-situ immobilization Download PDFInfo
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- CN109354159A CN109354159A CN201811443050.1A CN201811443050A CN109354159A CN 109354159 A CN109354159 A CN 109354159A CN 201811443050 A CN201811443050 A CN 201811443050A CN 109354159 A CN109354159 A CN 109354159A
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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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/109—Characterized by the shape
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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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/18—PO4-P
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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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- 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)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cultivation Of Plants (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
It is an object of that present invention to provide a kind of methods suitable for micropollutant water in-situ immobilization, including biological floating bed and modified fibre band braided fabric positioned at biological floating bed lower part, it is described biological floating bed to be fixed by underwater driving method with nylon rope, the modified fibre band braided fabric is fixed on biological floating bed bottom with nylon rope, it is described biological floating bed including filtrate, water plant, the modified fibre band braided fabric is woven by modified fibre band, the present invention is wide for water system waters, total Water is big, pollution level is shallow, the features such as landscape is poor, utilize the biological floating bed reparation mode combined with modified fibre with braided fabric, make the new material of suitable micropollutant water in-situ immobilization, be conducive to promote Landscape Water Quality, strengthen water body self-purification ability, have both ecological and landscape, it is suitble to promote the use of.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to a method of suitable for micropollutant water in-situ immobilization.
Background technique
River is the important base of urban ecological environment, is a kind of important natural resources and environment carrier, with the mankind's
Production and living are in close relations, and the effect played in urban planning and construction is also more significant.Currently, with urban construction paces
Accelerate, a large amount of untreated sanitary sewages, industrial wastewater are discharged into river, cause river closely related to human life raw
State system is gradually degenerated, and self-purification capacity weakens.On the other hand, in recent years, with living standard and living environment's mass
It improves, requirement of the people to lake, river and landscape be also continuously improved, and water landscape is even more to improving the quality of living environment extremely
It closes important.
It is promoted currently, existing water treatment technology only focuses on one-side water quality and ignores the demand in terms of landscape, landscape is set
Meter scheme then only focuses on landscape experience and ignores water quality requirement, and the two is isolated and gone, it is difficult to meet the growing synthesis of people
Sexual experience demand.So proposed by the invention take into account good landscape while purifying water body, promotion water body self-purification ability
Experiential method is the trend of the times of environmental area.
Summary of the invention
Based on the deficiencies of the prior art, the purpose of the present invention is to provide a kind of suitable for micropollutant water in-situ immobilization
Method, the promotion of improvement water quality isolate status with Landscape construction, the two are organically combined, and make a kind of novel comprehensive reparation
Mode.
To achieve the goals above, the technical solution adopted by the present invention is as follows:
A method of suitable for micropollutant water in-situ immobilization, it is characterised in that: including biological floating bed 1 and be located at biological floating bed
The modified fibre band braided fabric of lower part；It is described it is biological floating bed include bed body, filtrate is equipped in bed body, kind is implanted with ecology on filtrate
Plant；
Specific production step of the modified fibre with braided fabric are as follows:
(1) mature piemarker plant is impregnated 1-2 months in water, pulls out and dry, epidermis is taken off into several, obtains filiform
Material；Naturally the reed rod dried is crushed, sieving, obtains granular material；
(2) filamentary material obtained by step (1) and granular material are respectively placed in the NaOH solution that mass fraction is 1% ~ 5%, leaching
It after steeping 6 ~ 8 h, is separated by solid-liquid separation, drying, filamentary material and granular material after being activated；
(3) it tiles after uniformly brushing carboxylic styrene butadiene latex into the filamentary material after activation obtained by step (2) to mold, and suppresses
At the fibrofelt with a thickness of 3 ~ 8 mm；Then, fibrofelt is cut into strip, obtains fiber band；
(4) by granular material, the starch, vinyltriethoxysilane after activation obtained by polymethyl methacrylate, step (2)
According to 45 ~ 60:30 of weight ratio ~ 45:3 ~ 6:1 mixing, modifying agent is obtained；Disperse modifying agent in the mixed solution of ethyl alcohol and water
In, obtain modification liquid；Wherein, the additional amount of modifying agent is 50 ~ 60 g/L, the ethyl alcohol and water in the mixed solution of ethyl alcohol and water
Mixed solution be to be mixed by second alcohol and water according to volume ratio 1:1.5 ~ 2.5；
(5) fiber band obtained by step (3) is immersed in modification liquid obtained by step (4), takes out, is modified after shaking 8 ~ 10 h
Fiber band；
(6) microbial inoculum is uniformly coated in modified fibre belt surface, 20 ~ 30 h of room temperature curing is modified fine after being strengthened
Tie up band；
(7) in pairs by the modified fibre band after reinforcing, alternating reciprocating folding type obtains modified fibre band until braiding is completed
Braided fabric.
Preferably, fiber bandwidth is 4 ~ 6 cm.
Preferably, the microbial inoculum contains nitrobacteria group and denitrifying bacteria group.
Preferably, the filtrate is the combination of organic peat soil, perlite, manioc waste.
Preferably, the biological floating bed ecological vegetable is evergreen iris, Lythrum salicaria, Arundo donax, one in typha orientalis
Kind or several combinations.
Preferably, described biological floating bed to be fixed by underwater driving method with nylon rope.
Preferably, the biological floating bed bed body is using environmentally friendly polythene material, and is coated with water proof anti-corrosive paint.
Preferably, the modified fibre band braided fabric is fixed on biological floating bed bottom with nylon rope.
The advantageous effect of the invention is:
(1) modified fibre band braided fabric raw material sources are extensive, and economy is high, and specific surface area of finished products is larger, and voidage is higher, can make
Microorganism colonization maturation time greatly shortens；Coating microbial inoculum is greatly improved micro organism quantity in water body, promotes water body
In nitrogen phosphorus decompose release process, promoted water remediation efficiency；
(2) present invention combines biological floating bed and modified fibre band braided fabric, takes into account water body while promoting whole water quality
Landscape has accomplished ecological and landscape organic unity；
(3) organic peat soil in biological floating bed matrix can provide organic matter abundant, N, P, K and microelement, be plant
Growth provides safeguard, and plant is higher to the removal rate of water body TN, TP, also has preferable ability for the raising of dissolved oxygen, can have
Effect promotes whole water quality.
Detailed description of the invention
Fig. 1 is of the present invention biological floating bed and structural schematic diagram of the modified fibre with braided fabric；
Fig. 2 is the schematic diagram of two modified fibre tape alternation reciprocating folding types；
Fig. 3 is that the present invention carries out floor plan biological floating bed when measure of merit.
Specific embodiment
In order to keep technical purpose of the invention, technical scheme and beneficial effects clearer, combined with specific embodiments below
Technical solution of the present invention is further illustrated, but the embodiment is intended to explain the present invention, and should not be understood as pair
Limitation of the invention, in the examples where no specific technique or condition is specified, according to the literature in the art described technology or
Condition is carried out according to product description.
Carboxylic styrene butadiene latex is purchased from Shandong Jia Ying Chemical Co., Ltd., model TG786 in following embodiments；Microbial bacterial agent
It buys from the micro- source of students Environmental Technology AS in Guangzhou, model 001A, clump count 5.9 × 1010Cfu/g, living bacteria count >
2.0×109/g；The microbial inoculum is mixed by the microbial bacterial agent, ultrapure water and cornstarch according to mass ratio 1:20:0.5
It is even to form.
Embodiment 1
As shown in Figure 1 and 2, a method of suitable for micropollutant water in-situ immobilization, specifically include biological floating bed 1 and be located at life
The modified fibre band braided fabric 2 of state floating bed lower part, described biological floating bed 1 includes bed body, is equipped with filtrate 3 in bed body, on filtrate 3
Kind is implanted with ecological vegetable 4.
Wherein, biological floating bed 1 specification is set as the m of 3 m × 5, and bed body is using environmentally friendly polythene material, and outer surface coats
There is water proof anti-corrosive paint, and fixed with nylon rope 5 by underwater driving method, the filter of biological floating bed 1 inside tiling, 5 ~ 10 cm thickness
Material 3, the filtrate 3 is mixed by organic peat soil, perlite, manioc waste according to mass ratio 5:1:1, filtrate 3 above with 15 ~
The spacing of 20 cm plants evergreen iris, and it is 1 that biological floating bed 1 bottom interval, 0.5 m, which hangs with 1 length by 15 cm nylon ropes 5,
The modified fibre band braided fabric 2 of m, totally 30.
Specific production step of the modified fibre with braided fabric 2 are as follows:
(1) mature piemarker plant is impregnated 1-2 months in water, pulls out and dry, epidermis is taken off into several, obtains filiform
Material；Naturally the reed rod dried is crushed, sieving, obtains granular material；
(2) filamentary material obtained by step (1) and granular material are respectively placed in the NaOH solution that mass fraction is 2%, impregnate 6
It after h, is separated by solid-liquid separation, drying, filamentary material and granular material after being activated；
(3) it tiles after uniformly brushing carboxylic styrene butadiene latex into the filamentary material after activation obtained by step (2) to mold, and by river
Su Xin 150 tons of universal test press of pulling together are pressed into a thickness of the fibrofelt of 3 ~ 8 mm；Then, fibrofelt is cut into strip, obtained
The fiber band for being 5 cm to width；
(4) by granular material, the starch, vinyltriethoxysilane after activation obtained by polymethyl methacrylate, step (2)
It is mixed according to weight ratio 50:35:4:1, obtains modifying agent；It disperses modifying agent in the mixed solution of ethyl alcohol and water, is changed
Property liquid；Wherein, the additional amount of modifying agent is 55 g/L in the mixed solution of ethyl alcohol and water, and the mixed solution of the ethyl alcohol and water is
It is mixed by second alcohol and water according to volume ratio 1:2；
(5) fiber band obtained by step (3) is immersed in modification liquid obtained by step (4), is taken out after shaking 10 h, obtain modified fibre
Tie up band；
(6) microbial inoculum is uniformly coated in modified fibre belt surface, microbial inoculum dosage is 500 mL/m2, coating terminates
24 h of room temperature curing afterwards, the modified fibre band after being strengthened；
(7) in pairs by the modified fibre band after reinforcing, alternating reciprocating folding type obtains modified fibre band until braiding is completed
Braided fabric 2.
The detailed process of two modified fibre tape alternation reciprocating folding types is as shown in Fig. 2, first put two modified fibre bands
It sets in the same plane, and two modified fibre bands are vertical setting, two fiber bands is respectively defined as vertical bands 6, level
One end of band 7, vertical bands 6 is fixedly connected with one end of horizontal stripes 7, and uniform intervals are equipped with several foldings in vertical bands 6 and horizontal stripes 7
Modified fibre band is divided into several square shaped cells by superimposing thread 8, the fold line 8, then that vertical bands 6 are downward along fold line 8
Fold, horizontal stripes 7 is turned down to the left along fold line 8, then vertical bands 6 are flipped up along fold line 8, by horizontal stripes 7 along folding
Line 8 turns down to the right, so that the square shaped cells of the square shaped cells of vertical bands 6 and horizontal stripes 7 are in successively to laminate, continues cycling through friendship
For reciprocating folding type, is completed until folding, the other end of vertical bands 6 and horizontal stripes 7 is also secured at together, nylon rope is finally connected
5.
The root system of ecological vegetable 4 is generally longer, can increase the surface area contacted with water body, and can secrete a large amount of enzyme,
Accelerate the decomposition of polluter.On the other hand, modified fibre band 2 rough surface of braided fabric, microcellular structure is more, durable and can drop
Solution, and it is avoided that secondary pollution, the growth of guidance beneficial microorganism and breeding that can be orderly be conducive to water quality and mention mark, have simultaneously
There is low cost, the advantages such as energy consumption is low, operating cost is low.
Embodiment 2
According to the method for embodiment 1, difference is to change modified fibre with the partial parameters in 2 making step of braided fabric:
1) concentration of NaOH solution in step (2) is changed to 3%, impregnates 8 h；
2) modifying agent in step (4) is changed to granular material, starch, vinyltriethoxysilane according to weight ratio 45:30:5:
1 mixing；
3) microbial inoculum dosage in step (6) is changed to 450mL/m2。
Embodiment 3
According to the method for embodiment 1, difference is to change modified fibre with the partial parameters in 2 making step of braided fabric:
4) concentration of NaOH solution in step (2) is changed to 5%, impregnates 8 h；
5) modifying agent in step (4) is changed to granular material, starch, vinyltriethoxysilane according to weight ratio 55:40:6:
1 mixing；
6) microbial inoculum dosage in step (6) is changed to 400mL/m2。
Comparative example
It is a kind of with the biological floating bed of ecological matrix, it is described biological floating bed identical as biological floating bed the 1 of embodiment 1, difference be by
Modified fibre band braided fabric 2 is changed to common commercially available ecological matrix (purchased from Foshan City Hui Cai nonwoven Science and Technology Ltd., model HCT-
002).
Below ecological matrix will be had obtained by 1 ~ 3 gained biological floating bed 1 of embodiment and modified fibre band braided fabric 2, comparative example 1
Biological floating bed about 10000 m of be put into Zhengzhou City park a water surface area2Lake surface circumference on, and along the circumferential direction
Uniform intervals arrange 15, about 10 meters of offshore, place 3 months, carry out measure of merit.
Through detecting, the water quality comparison of embodiment 1 ~ 3 is as follows:
Using the result shows that: embodiment 1 ~ 3 compared with comparative example 1, microorganism colonization maturation time shorten 35% ~ 55%, on the whole
Water quality indicator rises to III class water body from bad V class, and water transparency improves 30% from<0.5m is increased to>1m, water remediation efficiency
More than.
The present invention is not limited to the above embodiments, and the above embodiments and description only describe of the invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these change and change
Into all fall within the protetion scope of the claimed invention.
Claims (7)
1. a kind of method suitable for micropollutant water in-situ immobilization, it is characterised in that: including biological floating bed and to be located at ecology floating
The modified fibre band braided fabric of bed lower part；It is described it is biological floating bed include bed body, filtrate is equipped in bed body, kind is implanted with life on filtrate
State plant；
Specific production step of the modified fibre with braided fabric are as follows:
(1) mature piemarker plant is impregnated 1-2 months in water, pulls out and dry, epidermis is taken off into several, obtains filiform
Material；Naturally the reed rod dried is crushed, sieving, obtains granular material；
(2) filamentary material obtained by step (1) and granular material are respectively placed in the NaOH solution that mass fraction is 1% ~ 5%, leaching
It after steeping 6 ~ 8 h, is separated by solid-liquid separation, drying, filamentary material and granular material after being activated；
(3) it tiles after uniformly brushing carboxylic styrene butadiene latex into the filamentary material after activation obtained by step (2) to mold, and suppresses
At the fibrofelt with a thickness of 3 ~ 8 mm；Then, fibrofelt is cut into strip, obtains fiber band；
(4) by granular material, the starch, vinyltriethoxysilane after activation obtained by polymethyl methacrylate, step (2)
According to 45 ~ 60:30 of weight ratio ~ 45:3 ~ 6:1 mixing, modifying agent is obtained；Disperse modifying agent in the mixed solution of ethyl alcohol and water
In, obtain modification liquid；Wherein, the additional amount of modifying agent is 50 ~ 60 g/L, the ethyl alcohol and water in the mixed solution of ethyl alcohol and water
Mixed solution be to be mixed by second alcohol and water according to volume ratio 1:1.5 ~ 2.5；
(5) fiber band obtained by step (3) is immersed in modification liquid obtained by step (4), takes out, dries after 8 ~ 10 h of concussion, obtains
To modified fibre band；
(6) microbial inoculum is uniformly coated in modified fibre belt surface, 20 ~ 30 h of room temperature curing is modified fine after being strengthened
Tie up band；
(7) in pairs by the modified fibre band after reinforcing, alternating reciprocating folding type obtains modified fibre band until braiding is completed
Braided fabric.
2. a kind of method suitable for micropollutant water in-situ immobilization according to claim 1, it is characterised in that: the fibre
Dimension bandwidth is 4 ~ 6 cm.
3. a kind of method suitable for micropollutant water in-situ immobilization according to claim 1, it is characterised in that: described micro-
Biological bacterium solution contains nitrobacteria group and denitrifying bacteria group.
4. a kind of method suitable for micropollutant water in-situ immobilization according to claim 1, it is characterised in that: the filter
Material is mixed by organic peat soil, perlite and manioc waste.
5. a kind of method suitable for micropollutant water in-situ immobilization according to claim 1, it is characterised in that: the life
State plant is the combination of one or more of evergreen iris, Lythrum salicaria, Arundo donax, typha orientalis.
6. a kind of method suitable for micropollutant water in-situ immobilization according to claim 1, it is characterised in that: the bed
Body is coated with water proof anti-corrosive paint using environmentally friendly polythene material.
7. a kind of method suitable for micropollutant water in-situ immobilization according to claim 1, it is characterised in that: described to change
Property fiber band braided fabric with nylon rope be fixed on biological floating bed bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443050.1A CN109354159B (en) | 2018-11-29 | 2018-11-29 | In-situ remediation method suitable for micro-polluted water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443050.1A CN109354159B (en) | 2018-11-29 | 2018-11-29 | In-situ remediation method suitable for micro-polluted water body |
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| CN109354159A true CN109354159A (en) | 2019-02-19 |
| CN109354159B CN109354159B (en) | 2021-09-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999361A (en) * | 2007-01-05 | 2007-07-18 | 华南理工大学 | Nutrition slow-release type biofiller for water treatment and its preparation method |
| CN101514054A (en) * | 2009-03-30 | 2009-08-26 | 同济大学 | Combined ecological floating bed device |
| CN103864992A (en) * | 2014-02-27 | 2014-06-18 | 常州大学 | Method for preparing high water absorbent resin by using reeds |
| CN203728646U (en) * | 2013-12-19 | 2014-07-23 | 北京京阳环保工程有限公司 | Ecological floating island for water purification of landscape river |
| CN105603541A (en) * | 2015-12-17 | 2016-05-25 | 雷春生 | Abutilon fiber preparation method |
| CN108330686A (en) * | 2018-01-02 | 2018-07-27 | 江苏大学 | The preparation method of the chitin modified basalt fibre carrier of hydrophily |
-
2018
- 2018-11-29 CN CN201811443050.1A patent/CN109354159B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999361A (en) * | 2007-01-05 | 2007-07-18 | 华南理工大学 | Nutrition slow-release type biofiller for water treatment and its preparation method |
| CN101514054A (en) * | 2009-03-30 | 2009-08-26 | 同济大学 | Combined ecological floating bed device |
| CN203728646U (en) * | 2013-12-19 | 2014-07-23 | 北京京阳环保工程有限公司 | Ecological floating island for water purification of landscape river |
| CN103864992A (en) * | 2014-02-27 | 2014-06-18 | 常州大学 | Method for preparing high water absorbent resin by using reeds |
| CN105603541A (en) * | 2015-12-17 | 2016-05-25 | 雷春生 | Abutilon fiber preparation method |
| CN108330686A (en) * | 2018-01-02 | 2018-07-27 | 江苏大学 | The preparation method of the chitin modified basalt fibre carrier of hydrophily |
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| CN109354159B (en) | 2021-09-28 |
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