CN109133519A - A kind of river bottom mud ecological treatment method - Google Patents
A kind of river bottom mud ecological treatment method Download PDFInfo
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- CN109133519A CN109133519A CN201811097162.6A CN201811097162A CN109133519A CN 109133519 A CN109133519 A CN 109133519A CN 201811097162 A CN201811097162 A CN 201811097162A CN 109133519 A CN109133519 A CN 109133519A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Inorganic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention belongs to river regulation technical field, in particular to a kind of river bottom mud ecological treatment method.Intercept net is set in river downstream after salvaging to the solid refuse deposited in river；Activating agent citric acid solution and adsorbing sphere are launched in toward river, are filled with adsorbent in adsorbing sphere, are mixed bed mud and be allowed to sufficiently adsorb with river water；Microbial bacterial agent is launched, Air Exposure is carried out to river bed and carries out water body disinfection again；The heavy plant of tiling cultivation water.The various ways such as the present invention salvages removal of impurities through solid refuse, adsorbing sphere adsorbs organic pollutant, microbial cleaning water body, building river bed ecological vegetable system, which are combined, carries out progressive comprehensive purification reparation to river bottom mud, it is allowed to restore the ecological balance, it is at low cost, regulation effect is significantly lasting, is suitble to promote the use of.
Description
Technical field
The invention belongs to river regulation technical field, in particular to a kind of river bottom mud ecological treatment method.
Background technique
Sediments pollution is a worldwide environmental problem, and pollutant passes through atmospheric sedimentation, discharge of wastewater, rain
It water leaching and washes away into water body, finally deposits in bed mud and be progressively enriched with, keep bed mud heavily contaminated.In river environment
In, river bed deposit bed mud is conveyed with elapsing with suspended form, is largely resulted in overlying water and is deposited the mutual object of bed mud
Reason effect.There is the natural environment of strength in river, the desorption for being conducive to deposit bed mud is tended in river system, thus will
The water quality of overlying water is influenced, pollutant, which passes through biological metabolism, can retain, accumulates and migrate the generation intoxicating cause in organism
Abnormal harm, not only endangers the benthon in river, while seriously threatening the health of people.Therefore, in water quality management
In the works, it pays attention to the deposition bed mud polluted as a pollution sources, therefore deposits one that bed mud is the pollution of river
Importance.
Currently, the administering method of river bottom mud, which can be divided into situ administer, administers two kinds of technologies with dystopy.Treatment process in situ
Including back-up sand masking, solidification masking, physics elution etc., dystopy processing then includes engineering dredging, solidification landfill etc..Hand is administered mostly
Section is relatively simple, and higher cost.For this purpose, the present invention has studied a kind of river bottom mud ecological treatment method.
Summary of the invention
The present invention salvages removal of impurities, adsorbing sphere absorption organic pollutant, microbial cleaning water body, building river bed through solid refuse
The various ways such as ecological vegetable system, which are combined, carries out progressive comprehensive purification reparation to river bottom mud, is allowed to restore ecology
Balance, at low cost, regulation effect is significantly lasting, is suitble to promote the use of.
The present invention provides a kind of river bottom mud ecological treatment methods, comprising the following steps:
S1 salvages the solid refuse deposited in river, the nondegradation sundries of river bottom mud is removed, then in river
Road downstream sets intercept net；
S2, toward river in launch the adsorbing sphere that activating agent citric acid solution and partial size are 25-35cm, and the absorption ball
Diameter is greater than the interception screen distance, and the absorption ectosphere is in hollow mesh, is filled with adsorbent in the adsorbing sphere, then stirs
Bed mud and river water 2.5-3.5h are mixed, then stands 4-7d, the adsorbing sphere is salvaged in interception；
Wherein, the adsorbent is made of peanut shell, corncob, active carbon, pelelith；
S3, toward river in launch microbial bacterial agent, Air Exposure is carried out to river bed, aeration frequencies are 1-2 times/d, when aeration
Between be 1.5-2h/ time, use disinfectant to carry out disinfection river after 7-10d；
Wherein, the microbial bacterial agent is by bacillus subtilis, pseudomonad, nitrobacteria, ammonia oxidizing bacteria with weight
It is formed than 1:1:2:1, and every kind of bacterial concentration is >=5.6 × 106A/ml；
One or more of short raw eel grass, black algae, bog pondweed are cultivated in S4, bottom of river channel tiling after sterilization.
Preferably, the activating agent citric acid solution is 0.3L:2-6m with respect to the additional amount of river bottom mud3, citric acid is molten
Liquid concentration is 0.5-0.8mol/L.
Preferably, peanut shell in the adsorbent, corncob, active carbon, pelelith mass ratio be 1:2:3:2.
Preferably, the microbial bacterial agent is 2-5ml:10-25m with respect to the additional amount of river bottom mud3。
Preferably, the disinfectant is one of calcium hypochlorite, sodium hypochlorite, bleaching powder.
Compared with prior art, beneficial effects of the present invention:
The present invention salvages removal of impurities, adsorbing sphere absorption organic pollutant, microbial cleaning water body, building river bed through solid refuse
The various ways such as ecological vegetable system, which are combined, carries out progressive comprehensive purification reparation to river bottom mud, is allowed to restore ecology
Balance；Adsorbent is made using the cheap material such as peanut shell, corncob, active carbon, pelelith, in bed mud heavy metal and
Organic matter carries out physical absorption, and then further removes the nothings such as zero, nitrogen in remaining organic matter and water, vulcanization ammonia using various bacteria
Machine object, then plant the botanical system for making bed mud that there is self-purification capacity；The present invention is at low cost, and regulation effect is significantly lasting, is suitble to push away
It is wide to use.
Specific embodiment
Several specific embodiments of the invention are described in detail below, it is to be understood that protection scope of the present invention
It is not limited by the specific implementation.
Embodiment 1
A kind of river bottom mud ecological treatment method, comprising the following steps:
S1 salvages the solid refuse deposited in river, the nondegradation sundries of river bottom mud is removed, then in river
Road downstream sets intercept net, and intercept net does not influence flow rate of water flow；
S2, toward river in launch the adsorbing sphere that activating agent citric acid solution and partial size are 25cm, and the absorption ball aperture
Greater than the interception screen distance, the absorption ectosphere is in hollow mesh, adsorbent is filled in the adsorbing sphere, then in electricity
Installation stirring paddle stirring bed mud and river water 2.5h on machine (Xi'an Electric Motor Plant, YVF series), then 4d is stood, interception is salvaged described
Adsorbing sphere；
Wherein, the adsorbent is made of peanut shell, corncob, active carbon, pelelith with mass ratio 1:2:3:2, absorption
Agent does not overflow adsorbing sphere；The activating agent citric acid solution is 0.3L:2m with respect to the additional amount of river bottom mud3, citric acid is molten
Liquid concentration is 0.5mol/L；
S3, toward river in launch microbial bacterial agent, Air Exposure is carried out to river bed, aeration frequencies are 1-2 times/d, when aeration
Between be 1.5h/ time, use disinfectant to carry out disinfection river after 7d；
Wherein, the microbial bacterial agent is by bacillus subtilis, pseudomonad, nitrobacteria, ammonia oxidizing bacteria with weight
It is formed than 1:1:2:1, and every kind of bacterial concentration is >=5.6 × 106A/ml, the microbial bacterial agent add with respect to river bottom mud
Entering amount is 2ml:10m3；The disinfectant is calcium hypochlorite；
S4, bottom of river channel tiling cultivation bog pondweed after sterilization.
The river bottom mud ecological treatment method of Application Example 1, randomly selected the different river of pollution level at 20 into
Row test, wherein there is river bottom mud lighter with respect to pollution at 8 just to restore the ecological balance after using disinfectant, water quality reaches state
Family's river water quality standard, the in addition opposite river of heavy contamination also successive water after cultivation water heavy plant 5 months at bed mud at 12
Matter is up to standard.
Embodiment 2
A kind of river bottom mud ecological treatment method, comprising the following steps:
S1 salvages the solid refuse deposited in river, the nondegradation sundries of river bottom mud is removed, then in river
Road downstream sets intercept net, and intercept net does not influence flow rate of water flow；
S2, toward river in launch the adsorbing sphere that activating agent citric acid solution and partial size are 35cm, and the absorption ball aperture
Greater than the interception screen distance, the absorption ectosphere is in hollow mesh, adsorbent is filled in the adsorbing sphere, then in electricity
Installation stirring paddle stirring bed mud and river water 3.5h on machine (Xi'an Electric Motor Plant, YVF series), then 7d is stood, interception is salvaged described
Adsorbing sphere；
Wherein, the adsorbent is made of peanut shell, corncob, active carbon, pelelith with mass ratio 1:2:3:2, absorption
Agent does not overflow adsorbing sphere；The activating agent citric acid solution is 0.3L:6m with respect to the additional amount of river bottom mud3, citric acid is molten
Liquid concentration is 0.8mol/L；
S3, toward river in launch microbial bacterial agent, Air Exposure is carried out to river bed, aeration frequencies are 1-2 times/d, when aeration
Between be 2h/ time, use disinfectant to carry out disinfection river after 10d；
Wherein, the microbial bacterial agent is by bacillus subtilis, pseudomonad, nitrobacteria, ammonia oxidizing bacteria with weight
It is formed than 1:1:2:1, and every kind of bacterial concentration is >=5.6 × 106A/ml, the microbial bacterial agent add with respect to river bottom mud
Entering amount is 5ml:25m3；The disinfectant is sodium hypochlorite；
Black algae, two kinds of bog pondweed are cultivated in S4, bottom of river channel tiling after sterilization.
The river bottom mud ecological treatment method of Application Example 2 has randomly selected pollution level at 15 and has belonged to national river
The river of the serious pollution of bed mud evaluation is tested, the improper face of whole river bottom muds river surface river water after adsorbent adsorbs
Color is thin out, the large stretch of organic floating object of river surface not goodbye；Using river surface off-flavor elimination after disinfectant, bed mud peculiar smell remains a little；?
At bed mud cultivate water sink plant after 9 months water quality also reach national standard.
Embodiment 3
A kind of river bottom mud ecological treatment method, comprising the following steps:
S1 salvages the solid refuse deposited in river, the nondegradation sundries of river bottom mud is removed, then in river
Road downstream sets intercept net, and intercept net does not influence flow rate of water flow；
S2, toward river in launch the adsorbing sphere that activating agent citric acid solution and partial size are 28cm, and the absorption ball aperture
Greater than the interception screen distance, the absorption ectosphere is in hollow mesh, adsorbent is filled in the adsorbing sphere, then in electricity
Installation stirring paddle stirring bed mud and river water 3.2h on machine (Xi'an Electric Motor Plant, YVF series), then 5d is stood, interception is salvaged described
Adsorbing sphere；
Wherein, the adsorbent is made of peanut shell, corncob, active carbon, pelelith with mass ratio 1:2:3:2, absorption
Agent does not overflow adsorbing sphere；The activating agent citric acid solution is 0.3L:4m with respect to the additional amount of river bottom mud3, citric acid is molten
Liquid concentration is 0.7mol/L；
S3, toward river in launch microbial bacterial agent, Air Exposure is carried out to river bed, aeration frequencies are 1-2 times/d, when aeration
Between be 1.7h/ time, use disinfectant to carry out disinfection river after 7-10d；
Wherein, the microbial bacterial agent is by bacillus subtilis, pseudomonad, nitrobacteria, ammonia oxidizing bacteria with weight
It is formed than 1:1:2:1, and every kind of bacterial concentration is >=5.6 × 106A/ml, the microbial bacterial agent add with respect to river bottom mud
Entering amount is 3ml:19m3；The disinfectant is bleaching powder；
Short raw eel grass, two kinds of black algae are cultivated in S4, bottom of river channel tiling after sterilization.
The river bottom mud ecological treatment method of Application Example 3 has randomly selected pollution level at 20 and has belonged to national river
The river of the intermediate pollution of bed mud evaluation is tested, and whole river bottom muds color of river surface river water after adsorbent adsorbs tends to
Normalization, river surface off-flavor elimination, bed mud peculiar smell remain a little；Water quality also reaches state after cultivation water heavy plant 3 months at bed mud
Family's standard.
In conclusion river bottom mud ecological treatment method validity of the invention is polluted up to 100%, and for various degree
The improvement of river bottom mud be applicable in, and to administer the phase short for light, intermediate pollution river bottom mud, high-efficient.
It should be noted that the step method used in claims of the present invention is same as the previously described embodiments, in order to anti-
It only repeats, the present invention describes preferred embodiment, and once a person skilled in the art knows basic creative concepts, then
Additional changes and modifications can be made to these embodiments.So it includes preferred embodiment that the following claims are intended to be interpreted as
And fall into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (5)
1. a kind of river bottom mud ecological treatment method, which comprises the following steps:
S1 salvages the solid refuse deposited in river, the nondegradation sundries of river bottom mud is removed, then under river
Trip sets intercept net；
S2, toward river in launch the adsorbing sphere that activating agent citric acid solution and partial size are 25-35cm, and the absorption ball aperture is big
In the interception screen distance, the absorption ectosphere is in hollow mesh, is filled with adsorbent in the adsorbing sphere, then stirs bottom
Mud and river water 2.5-3.5h, then 4-7d is stood, the adsorbing sphere is salvaged in interception；
Wherein, the adsorbent is made of peanut shell, corncob, active carbon, pelelith；
S3, toward river in launch microbial bacterial agent, Air Exposure is carried out to river bed, aeration frequencies are 1-2 times/d, and aeration time is
It 1.5-2h/ times, is carried out disinfection using disinfectant to river after 7-10d；
Wherein, the microbial bacterial agent is by bacillus subtilis, pseudomonad, nitrobacteria, ammonia oxidizing bacteria with weight ratio 1:
1:2:1 composition, and every kind of bacterial concentration is >=5.6 × 106A/ml；
One or more of short raw eel grass, black algae, bog pondweed are cultivated in S4, bottom of river channel tiling after sterilization.
2. river bottom mud ecological treatment method as described in claim 1, which is characterized in that the activating agent citric acid solution phase
Additional amount to river bottom mud is 0.3L:2-6m3, citric acid solution concentration is 0.5-0.8mol/L.
3. river bottom mud ecological treatment method as described in claim 1, which is characterized in that peanut shell, jade in the adsorbent
Meter Xin, active carbon, pelelith mass ratio be 1:2:3:2.
4. river bottom mud ecological treatment method as described in claim 1, which is characterized in that the microbial bacterial agent is with respect to river
The additional amount of bed mud is 2-5ml:10-25m3。
5. river bottom mud ecological treatment method as described in claim 1, which is characterized in that the disinfectant be calcium hypochlorite,
One of sodium hypochlorite, bleaching powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811097162.6A CN109133519A (en) | 2018-09-20 | 2018-09-20 | A kind of river bottom mud ecological treatment method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183075A (en) * | 2019-07-06 | 2019-08-30 | 福建川云里水利建设有限公司 | A kind of river regulation method |
| CN110540305A (en) * | 2019-08-30 | 2019-12-06 | 福建闽泰交通工程有限公司 | Small watershed river channel repairing method |
| CN110547231A (en) * | 2019-08-15 | 2019-12-10 | 大连海洋大学 | Sea cucumber pond in-situ remediation method |
| CN111115996A (en) * | 2020-01-10 | 2020-05-08 | 吕梁学院 | In-situ ecological restoration method for water body bottom mud |
| CN111517474A (en) * | 2020-04-16 | 2020-08-11 | 武汉市秀谷科技有限公司 | Method for repairing lake and river sediment by using minerals |
| CN111675452A (en) * | 2019-12-05 | 2020-09-18 | 无锡碧泓达环境科技有限公司 | Ecological water body purification system based on nano coupling material |
| CN113024047A (en) * | 2021-04-19 | 2021-06-25 | 辽宁省生态环境保护科技中心 | Water environment comprehensive treatment method and application thereof |
| CN116239229A (en) * | 2023-03-22 | 2023-06-09 | 中国科学院地理科学与资源研究所 | Device and method for comprehensively treating river channel by using barrier band river bed |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183075A (en) * | 2019-07-06 | 2019-08-30 | 福建川云里水利建设有限公司 | A kind of river regulation method |
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| CN110540305A (en) * | 2019-08-30 | 2019-12-06 | 福建闽泰交通工程有限公司 | Small watershed river channel repairing method |
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| CN111517474A (en) * | 2020-04-16 | 2020-08-11 | 武汉市秀谷科技有限公司 | Method for repairing lake and river sediment by using minerals |
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| CN113024047B (en) * | 2021-04-19 | 2022-10-25 | 辽宁省生态环境保护科技中心 | Water environment comprehensive treatment method and application thereof |
| CN116239229A (en) * | 2023-03-22 | 2023-06-09 | 中国科学院地理科学与资源研究所 | Device and method for comprehensively treating river channel by using barrier band river bed |
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Application publication date: 20190104 |