CN109626732B - Upper-mixing and lower-dropping black and odorous water body treatment method - Google Patents

Upper-mixing and lower-dropping black and odorous water body treatment method Download PDF

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CN109626732B
CN109626732B CN201811630990.1A CN201811630990A CN109626732B CN 109626732 B CN109626732 B CN 109626732B CN 201811630990 A CN201811630990 A CN 201811630990A CN 109626732 B CN109626732 B CN 109626732B
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water body
black
parts
odorous
odorous water
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CN109626732A (en
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朱守诚
朱棣杰
潘佳驹
桑建伟
黄家榜
杨宏星
褚维发
孙庆红
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Anhui Rundao Ecological Environment Engineering Technology Co ltd
Hefei Eastern Microchem Molecular Material Co ltd
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Anhui Rundao Ecological Environment Engineering Technology Co ltd
Hefei Eastern Microchem Molecular Material Co ltd
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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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • 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
    • 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
    • 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
    • C02F3/347—Use of yeasts or fungi

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Activated Sludge Processes (AREA)
  • Water Treatment By Sorption (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses an upper mixing and lower dropping type black and odorous water body treatment method, which comprises the steps of firstly blocking exogenous solid-liquid pollutants from entering polluted black and odorous water bodies, and preliminarily removing the solid pollutants in the black and odorous water bodies in a salvaging mode; then adding a TMD (transition metal oxide) into the black and odorous water body, forcibly destroying the stable suspended colloid structure of the black and odorous water body, removing black and deodorizing, and enhancing the transparency of the water body; then directly injecting biological oxidation material BiO into the sediment of the black and odorous water body in a targeted way2And the engineering microorganism AOB can improve the oxidation-reduction potential ORP of the water body, optimize the metabolism environment of the bottom sediment microorganisms and activate the fast proliferation of the benthic microorganisms. TMD and BiO used in the method of the invention2The three groups of materials have complementary and synergistic effects with AOB, can effectively reduce pollutant components such as nitrogen, phosphorus, organic matters and the like in the black and odorous water body, and can obviously eliminate the odor of the black and odorous water body, thereby achieving the purposes of quickly improving the water quality of the black and odorous river channel and lake water body and restoring ecological balance.

Description

Upper-mixing and lower-dropping black and odorous water body treatment method
The technical field is as follows:
the invention relates to an upper mixing and lower dripping type black and odorous water body treatment method, and belongs to the technical field of sewage treatment.
Background
In recent years, the black and odorous water body problems of urban rivers, lakes and open water areas seriously affect normal lives and body health of people, and a series of ecological environment problems caused by the black and odorous water body problems not only threaten the living environment and the body health of people, but also seriously damage beautiful urban images. Therefore, the solution and treatment of urban black and odorous water bodies are urgent.
At present, the treatment method of urban black and odorous water mainly comprises a physical method, a chemical method and a biological method. However, in the practical application of the black and odorous water body, the symptoms are usually treated, the root causes are not treated, the treatment cost is high, secondary pollution is easy to generate, the operation is complex, and the like. Wherein, the single treatment method is often weak in the degradation capability of water pollutants in the engineering application of the black and odorous water body, low in treatment effect, high in cost, unobvious in the elimination effect of the odorous gas hydrogen sulfide in the black and odorous water body, and the like.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention provides an upper mixing and lower dropping type black and odorous water body treatment method which is mainly used for improving black and odorous and eutrophication phenomena of water bodies such as lakes, riverways and the like. The method can effectively reduce the pollutant components such as nitrogen, phosphorus, organic matters and the like in the black and odorous water body, and can obviously eliminate the odor of the black and odorous water body, thereby achieving the purposes of quickly improving the water quality of water bodies such as black and odorous rivers, lakes and the like and recovering the ecological balance of the water bodies.
The invention relates to an upper mixing and lower dropping type black and odorous water body treatment method, which comprises the following steps:
step 1: firstly, blocking exogenous solid-liquid pollutants from entering a polluted black and odorous water body, and preliminarily removing the solid pollutants in the black and odorous water body in a manual or mechanical salvaging mode;
step 2: adding a TMD (transition metal oxide) into the black and odorous water body to forcibly destroy a stable suspended colloid structure of the black and odorous water body, remove black and odor, enhance the transparency of the water body and enable sunlight to penetrate through the water body, wherein the step is called as 'upmixing';
in step 2, the TMD mainly comprises CaO and FeSO4And MgSO4The composite material comprises the following components in parts by weight: CaO 1 part, FeSO42 parts of MgSO4And 2 parts. The adding amount of the TMD is 1.5-2.5 per mill of the mass of the water body.
In the step 2, the optimal use conditions of the TMD are as follows: the pH value is 7-9.
And step 3: after 6-8 days of treatment in the step 2, directly injecting a biological oxidation material BiO into the sediment of the black and odorous water body in a targeted way2The method and the engineering microorganism AOB improve the oxidation-reduction potential ORP of the water body, optimize the metabolism environment of bottom sediment microorganisms and activate the fast proliferation of the benthic microorganisms, and the step is called 'dripping';
in step 3, the BiO-oxidation material BiO2The material mainly comprises a porous adsorption carrier, an oxygen release material and an enzyme activity material, and is composed of the following components in parts by mass: 40 parts of porous adsorption carrier, 30 parts of oxygen release material and 30 parts of enzyme activity material. The biological oxidation material BiO2The adding amount of the water-soluble organic fertilizer is 2-2.5 per mill of the mass of the water body.
Wherein the porous adsorption carrier is superfine zeolite powder with average particle diameter of 0.65m and external surface area of 4.8m2(ii)/g; the oxygen release material is calcium peroxide, magnesium peroxide and sodium percarbonate, and the mass ratio of the components is 2: 1.5: 1; the enzyme active material is a protein decomposition enzyme.
In step 3, the engineering microorganism AOB mainly comprises actinomycetes, saccharomycetes, actinomycetes, bacillus, bdellovibrio and decomposition enzyme, and is composed of the following components in parts by mass: 20 parts of actinomycetes, 15 parts of saccharomycetes, 20 parts of actinomycetes, 20 parts of bacillus, 15 parts of bdellovibrio and 10 parts of lyase. The addition amount of the engineering microorganism AOB is 0.05-0.1 per mill of the mass of the water body.
Wherein the photosynthetic bacteria comprise rhodopseudomonas palustris, rhodospirillum and rhodopseudomonas thiophosphaeria in a mass ratio of 5: 3: 2; the yeast is beer yeast; the actinomycete consists of streptomycete and streptosporangium in a mass ratio of 6: 4; the bacillus is bacillus megaterium; the degrading enzyme is a proteolytic enzyme.
In step 3, the optimal conditions for using the engineering microorganism AOB are as follows: the pH value is 7-9, and the temperature is room temperature.
And 4, step 4: and 3, after 1-2 months of treatment, putting aquatic plants into the water body, enriching the water ecosystem, recovering the self-purification capacity of the water body, and then performing conventional maintenance on lakes, rivers and the like.
In step 4, the aquatic plantsThe product comprises one or more of herba Oenanthes Javanicae, hydrilla verticillata, and herba Swertiae Dilutae, and the stocking amount is 5 strains/m2。
In step 4, the conventional maintenance means that the sludge-water separation material TMD and the biological oxidation material BiO are added once a quarter according to the methods of the step 2 and the step 32Engineering microorganism AOB, and harvesting aquatic plants.
The invention relates to an upper mixing and lower dropping type black and odorous water body treatment method which is mainly applied to improving black and odorous and eutrophication phenomena of water bodies such as lakes, riverways and the like.
The method has strong environmental adaptability, and can accurately and efficiently remove the black and odor phenomena, TMD and BiO2The three groups of materials have complementary and synergistic effects with AOB, and have the advantages of low cost, excellent treatment effect, clear water, yellow mud, environmental protection, no pollution, simple operation, effective recovery of biological diversity and positive engineering practicability.
The invention has the beneficial effects that:
1. the invention has strong environmental adaptability, quick action time effect, low cost, good effect, environmental protection, no pollution, simple preparation and positive engineering practicability;
2. the TMD selected by the invention can be subjected to adsorption flocculation reaction with organic matters, black colloid suspended matters, soluble phosphorus, SS and the like in black and odorous water, chelate, mineralize and stabilize heavy metal ions, and are tangled to form large-particle floccules for rapid precipitation, a hydraulic gel blocking layer is formed on a mud-water interface, so that the particles are stable and are not easy to disintegrate along with water flow, the thickness of a floating mud layer is greatly reduced, the concentration of soluble phosphorus in the water is reduced, the slow release of bottom mud nutrients is blocked, the TMD carries an enzyme activity material to strengthen the activity of bottom mud bacterium enzyme, the biological metabolism and degradation of organic proteins such as bottom mud N, P, S and the like are promoted, the black and odorous smell of the bottom mud disappears, and the bottom mud is mineralized (stable, non-viscous, easy to separate, porous and odorless);
3. the selected biological oxidation material BiO2Belongs to a quick-acting purification material for black and odorous water, can release oxygen for a long time, improve bottom mud and water dissolved oxygen, improve ORP of muddy water, quickly improve the black and odorous state of the water and the bottom mud, and eliminate black and odorous; purifying and clarifying water quality, optimizing aerobic microorganism metabolism of bottom mudThe environment forms stable mineral precipitation, and the bottom mud is effectively prevented from floating upwards; promoting the biodegradation of COD/NH 3-N/TP; the method is safe and environment-friendly, has no secondary pollution, and has no need of dredging in situ digestion, thereby greatly reducing the cost;
4. the engineering microorganism AOB selected by the invention absorbs a large amount of nutrient substances in a high-salt and high-ammonia nitrogen environment, quickly proliferates, eliminates nitrogen and phosphorus, removes black and odor, purifies water and mud, and has synergistic effect among strains.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
Example 1:
the method for treating the upper-mixing and lower-dropping black and odorous water body in the embodiment comprises the following steps:
blocking foreign solid-liquid pollutants from entering the polluted black and odorous water body, preliminarily removing the solid pollutants in the water body in a manual or mechanical salvaging mode, and well making a sewage interception receiving pipe; adding 2 per mill of TMD (transition metal oxide) into the black and odorous water body; when sunlight can penetrate through the water body, 2 per mill of biological oxidation material BiO is added into the black and odorous sediment in a targeted manner2And 0.05% o of engineering microorganism AOB; under proper conditions, after a period of treatment, sampling to test the water quality index; after reaching the standard of surface class V water, the aquatic plants are put in a suitable place to enrich the water ecosystem, and the self-purification capacity of the water body is recovered; and then long-term maintenance is carried out on lakes, rivers and the like.
The black and odorous water body which is not adopted as a blank sample is used for respectively measuring the content of ammonia nitrogen in the sewage by using a Nashiner reagent spectrophotometry (HJ 535- & 2009), the content of total phosphorus in the sewage is respectively measured by using an ammonium molybdate spectrophotometry (GB 11893-89), the content of total nitrogen in the sewage is respectively measured by using an alkaline potassium persulfate digestion ultraviolet spectrophotometry (HJ 636- & 2012), the content of COD in the sewage is respectively measured by using a rapid digestion spectrophotometry (HJ/T399- & 2007), and the degradation rate is calculated by using the blank sample as a reference, so that the degradation rate of the ammonia nitrogen in the black and odorous water body reaches 92.55%, the degradation rate of the total nitrogen reaches 89.89%, the degradation rate of the total nitrogen reaches 91.80%, and the degradation rate of the total phosphorus reaches 91.67% (detailed data are shown in Table 1). Wherein the degradation rate { (blank value-value according to the invention)/blank value } × 100%.
TABLE 1 Water quality test data without and with the invention
Experimental treatment COD(mg/L) Ammonia nitrogen (mg/L) Total nitrogen (mg/L) Total phosphorus (mg/L)
Blank sample 165.34 11.68 18.69 3.12
The invention treats water sample 13.56 0.87 1.89 0.26
Rate of degradation 91.80％ 92.55％ 89.89％ 91.67％
Example 2:
the method for treating the upper-mixing and lower-dropping black and odorous water body in the embodiment comprises the following steps:
blocking foreign solid-liquid pollutants from entering the polluted black and odorous water body, preliminarily removing the solid pollutants in the water body in a manual or mechanical salvaging mode, and well making a sewage interception receiving pipe; adding 2.5 per mill of TMD (transition metal oxide) into the black and odorous water body; when sunlight can penetrate through the water body, 2 per mill of BiO-oxidation material BiO is added into the black and odorous bottom sediment in a targeted manner2And 0.1% engineering microorganism AOB; under proper conditions, after a period of treatment, sampling to test the water quality index; after reaching the standard of surface class V water, the aquatic plants are put in good place to enrich the water ecological system and restore the self-purification capability of the water body; and then long-term maintenance is carried out on lakes, rivers and the like.
The black and odorous water body which is not adopted as a blank sample is used for respectively measuring the content of ammonia nitrogen in the sewage by using a Nashiner reagent spectrophotometry (HJ 535- & 2009), the content of total phosphorus in the sewage is respectively measured by using an ammonium molybdate spectrophotometry (GB 11893-89), the content of total nitrogen in the sewage is respectively measured by using an alkaline potassium persulfate digestion ultraviolet spectrophotometry (HJ 636- & 2012), the content of COD in the sewage is respectively measured by using a rapid digestion spectrophotometry (HJ/T399- & 2007), and the degradation rate is calculated by using the blank sample as a reference, so that the degradation rate of the ammonia nitrogen in the black and odorous water body reaches 83.97%, the degradation rate of the COD in the total nitrogen reaches 90.01%, the degradation rate of the COD in the sewage reaches 90.37%, and the degradation rate of the total phosphorus reaches 90.70% (detailed data are shown in Table 2). Wherein the degradation rate { (blank value-value according to the invention)/blank value } × 100%.
TABLE 2 Water quality test data without and with the invention
Experimental treatment COD(mg/L) Ammonia nitrogen (mg/L) Total nitrogen (mg/L) Total phosphorus (mg/L)
Blank sample 162.18 10.98 19.12 3.87
The invention treats water sample 15.62 1.76 1.91 0.36
Rate of degradation 90.37％ 83.97％ 90.01％ 90.70％
Example 3:
the method for treating the upper-mixing and lower-dropping black and odorous water body in the embodiment comprises the following steps:
prevent the foreign solid-liquid pollutant from entering the polluted black and odorous water body and passing through peoplePrimarily removing solid pollutants in the water body in an industrial or mechanical salvaging mode, and well performing the work of a sewage interception receiving pipe; adding 2 per mill of TMD (transition metal oxide) into the black and odorous water body; when sunlight can penetrate through the water body, 2.5 per mill of BiO-oxidation material BiO is added into the black and odorous sediment in a targeted manner2And 0.1% engineering microorganism AOB; under proper conditions, after a period of treatment, sampling to test the water quality index; after reaching the standard of surface class V water, the aquatic plants are put in good place to enrich the water ecological system and restore the self-purification capability of the water body; and then long-term maintenance is carried out on lakes, rivers and the like.
The black and odorous water body which is not adopted as a blank sample is used for respectively measuring the content of ammonia nitrogen in the sewage by using a Nashiner reagent spectrophotometry (HJ 535- & 2009), the content of total phosphorus in the sewage is respectively measured by using an ammonium molybdate spectrophotometry (GB 11893-89), the content of total nitrogen in the sewage is respectively measured by using an alkaline potassium persulfate digestion ultraviolet spectrophotometry (HJ 636- & 2012), the content of COD in the sewage is respectively measured by using a rapid digestion spectrophotometry (HJ/T399- & 2007), and the degradation rate is calculated by using the blank sample as a reference, so that the degradation rate of the ammonia nitrogen in the black and odorous water body reaches 87.45%, the degradation rate of the total nitrogen COD reaches 89.38%, the degradation rate of the COD reaches 90.17%, and the degradation rate of the total phosphorus reaches 87.25% (detailed data are shown in Table 3). Wherein the degradation rate { (blank value-value according to the invention)/blank value } × 100%.
TABLE 3 Water quality test data without and with the invention
Experimental treatment COD(mg/L) Ammonia nitrogen (mg/L) Total nitrogen (mg/L) Total phosphorus (mg/L)
Blank sample 164.89 12.11 18.36 2.98
The invention treats water sample 16.21 1.52 1.95 0.38
Rate of degradation 90.17％ 87.45％ 89.38％ 87.25％
Example 4:
the method for treating the upper-mixing and lower-dropping black and odorous water body in the embodiment comprises the following steps:
blocking foreign solid-liquid pollutants from entering the polluted black and odorous water body, preliminarily removing the solid pollutants in the water body in a manual or mechanical salvaging mode, and well making a sewage interception receiving pipe; adding 2.5 per mill of TMD (transition metal oxide) into the black and odorous water body; when sunlight can penetrate through the water body, 2.5 per mill of BiO-oxidation material BiO is added into the black and odorous bottom sediment in a targeted manner2And 0.05% o of engineering microorganism AOB; under proper conditions, after a period of treatment, sampling to test the water quality index; after reaching the standard of surface class V water, the aquatic plants are put in good place to enrich the water ecological system and restore the self-purification capability of the water body; and then long-term maintenance is carried out on lakes, rivers and the like.
The black and odorous water body which is not adopted as a blank sample is used for respectively measuring the content of ammonia nitrogen in the sewage by using a Nashiner reagent spectrophotometry (HJ 535- & 2009), the content of total phosphorus in the sewage is respectively measured by using an ammonium molybdate spectrophotometry (GB 11893-89), the content of total nitrogen in the sewage is respectively measured by using an alkaline potassium persulfate digestion ultraviolet spectrophotometry (HJ 636- & 2012), the content of COD in the sewage is respectively measured by using a rapid digestion spectrophotometry (HJ/T399- & 2007), and the degradation rate is calculated by using the blank sample as a reference, so that the degradation rate of the ammonia nitrogen in the black and odorous water body reaches 88.01%, the degradation rate of the total nitrogen COD reaches 89.47%, the degradation rate reaches 89.28%, and the degradation rate of the total phosphorus reaches 87.78% (detailed data are shown in Table 4). Wherein the degradation rate { (blank value-value according to the invention)/blank value } × 100%.
TABLE 4 Water quality test data without and with the invention
Experimental treatment COD(mg/L) Ammonia nitrogen (mg/L) Total nitrogen (mg/L) Total phosphorus (mg/L)
Blank sample 163.28 12.34 18.42 3.11
The invention treats water sample 17.51 1.48 1.94 0.38
Rate of degradation 89.28％ 88.01％ 89.47％ 87.78％
Example 5:
the method for treating the upper-mixing and lower-dropping black and odorous water body in the embodiment comprises the following steps:
blocking foreign solid-liquid pollutants from entering the polluted black and odorous water body, preliminarily removing the solid pollutants in the water body in a manual or mechanical salvaging mode, and well making a sewage interception receiving pipe; adding 2.5 per mill of TMD (transition metal oxide) into the black and odorous water body; when sunlight can penetrate through the water body, 2.5 per mill of BiO-oxidation material BiO is added into the black and odorous bottom sediment in a targeted manner2And 0.1% engineering microorganism AOB; under proper conditions, after a period of treatment, sampling to test the water quality index; after reaching the standard of surface class V water, the aquatic plants are put in good place to enrich the water ecological system and restore the self-purification capability of the water body; and then long-term maintenance is carried out on lakes, rivers and the like.
The black and odorous water body which is not adopted as a blank sample is used for respectively measuring the content of ammonia nitrogen in the sewage by using a Nashiner reagent spectrophotometry (HJ 535-.
TABLE 5 Water quality test data without and with the invention
Experimental treatment COD(mg/L) Ammonia nitrogen (mg/L) Total nitrogen (mg/L) Total phosphorus (mg/L)
Blank sample 164.37 12.37 17.64 2.86
The invention treats water sample 17.12 1.58 1.95 0.37
Rate of degradation 89.58％ 87.23％ 88.95％ 87.06％
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. An up-mixing and down-dripping type black and odorous water body treatment method is characterized by comprising the following steps:
step 1: firstly, blocking exogenous solid-liquid pollutants from entering a polluted black and odorous water body, and preliminarily removing the solid pollutants in the black and odorous water body in a manual or mechanical salvaging mode;
step 2: adding a TMD (transition metal oxide) into the black and odorous water body, forcibly destroying the stable suspended colloid structure of the black and odorous water body, removing black and deodorizing, and enhancing the transparency of the water body;
and step 3: after 6-8 days of treatment in the step 2, directly injecting a biological oxidation material BiO into the sediment of the black and odorous water body in a targeted way2The method has the advantages that the method and the engineering microorganism AOB improve the oxidation-reduction potential ORP of the water body, optimize the metabolism environment of bottom sediment microorganisms and activate the fast proliferation of the benthic microorganisms;
and 4, step 4: step 3, after 1-2 months of treatment, putting aquatic plants into the water body, enriching a water ecosystem, recovering the self-purification capacity of the water body, and then performing conventional maintenance on the water body;
in step 2, the TMD comprises CaO and FeSO4And MgSO4The composition comprises the following components in parts by mass: CaO 1 part, FeSO4 2 parts of MgSO4 2 parts of (1);
in step 3, the BiO-oxidation material BiO2The material comprises a porous adsorption carrier, an oxygen release material and an enzyme activity material, and is composed of the following components in parts by mass: 40 parts of porous adsorption carrier, 30 parts of oxygen release material and 30 parts of enzyme activity material;
in step 3, the engineering microorganism AOB comprises actinomycetes, saccharomycetes, actinomycetes, bacillus, bdellovibrio and a decomposition enzyme, and is composed of the following components in parts by mass: 20 parts of actinomycetes, 15 parts of saccharomycetes, 20 parts of actinomycetes, 20 parts of bacillus, 15 parts of bdellovibrio and 10 parts of lyase.
2. A remediation method according to claim 1 wherein:
the adding amount of the TMD is 1.5-2.5 per mill of the mass of the water body.
3. A remediation method according to claim 1 wherein:
the optimal use conditions of the TMD are as follows: the pH value is 7-9.
4. A remediation method according to claim 1 wherein:
the biological oxidation material BiO2The adding amount of the water-soluble organic fertilizer is 2-2.5 per mill of the mass of the water body.
5. A remediation method according to claim 1 wherein:
the addition amount of the engineering microorganism AOB is 0.05-0.1 per mill of the mass of the water body.
6. A remediation method according to claim 1 wherein:
in step 3, the optimal conditions for using the engineering microorganism AOB are as follows: the pH value is 7-9, and the temperature is room temperature.
7. A remediation method according to claim 1 wherein:
in step 4, the aquatic plants comprise one or more of cress, hydrilla verticillata and eel grass, and the stocking amount is 5 strains/m2。
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CN1121488A (en) * 1994-10-28 1996-05-01 中山大学 Decolor coagulant for waste water in dyeing industry and producing method
CN104445847A (en) * 2014-11-28 2015-03-25 浙江绿凯环保科技股份有限公司 Bottom sediment repairing agent and bottom sediment locking method
CN107840541A (en) * 2017-11-30 2018-03-27 东莞市智汇水务科技有限公司 A kind of smelly water body purification governing system of novel black and its purification treatment method

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CN104445847A (en) * 2014-11-28 2015-03-25 浙江绿凯环保科技股份有限公司 Bottom sediment repairing agent and bottom sediment locking method
CN107840541A (en) * 2017-11-30 2018-03-27 东莞市智汇水务科技有限公司 A kind of smelly water body purification governing system of novel black and its purification treatment method

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