CN106600506A - Treatment method for elimination of lake and reservoir type black and odorous water bodies - Google Patents
Treatment method for elimination of lake and reservoir type black and odorous water bodies Download PDFInfo
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- 238000003379 elimination reaction Methods 0.000 title abstract description 11
- 230000009467 reduction Effects 0.000 claims abstract description 46
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
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- 206010040904 Skin odour abnormal Diseases 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
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Abstract
The invention discloses a treatment method for elimination of lake and reservoir type black and odorous water bodies and particularly urban lake and reservoir type water bodies. The method comprises the following steps: a drainage basin is divided into a number of control units, an into-lake load capacity of each control unit and a total into-lake load capacity of the drainage basin are calculated, a water environment capacity of each control unit and a total water environment capacity of the drainage basin are calculated, and a drafted pollution load reduction quantity of each control unit and a total drafted pollution load reduction quantity of the drainage basin are calculated; the total drafted pollution load reduction quantity of the drainage basin is placed at the core, point sources and internal sources are controlled first, source control and emission reduction can be realized, then surface sources are controlled, a water and land integrated design principle is implemented for emission reduction during time-continuing processes, and six major kinds of projects are implemented; via the above five steps, standards for chemical oxygen demand, ammonia nitrogen, dissolved oxygen and lake and reservoir water changing periods in water bodies can be reached. According to the method, via calculation of the drafted pollution load reduction quantity of each control unit and the total drafted pollution load reduction quantity of the drainage basin as well as whole engineering layout, a plurality of indexes can be controlled, and therefore black and odorous water bodies can be eliminated.
Description
Technical field
The present invention relates to water pollution control and ecological restoration technical field, and in particular to one kind is black smelly for eliminating lake storehouse type
The administering method of water body.
Background technology
To carry out《State Council is with regard to printing and distributing the notice of water prevention and cure of pollution action plan》(promulgated by the State Council (2015) 17) will
Ask, accelerate the regulation of city black and odorous water, 2015, house town and country construction portion can same Environmental Protection Department, Ministry of Water Resources, Ministry of Agriculture's tissue
Formulate《City black and odorous water renovation guide》.The guide target：Before the end of the year 2015, region and above city are built up
Area should complete water body investigation, announce black and odorous water title, person liable and time limit up to standard；Before the end of the year 2017, region and above city
Built-up areas should realize river surface without large area floating thing, riverbank without rubbish, without illegal sewage draining exit；Municipality directly under the Central Government, provincial capital, plan are single
Row city built-up areas substantially eliminate black and odorous water；Before the year two thousand twenty bottom, region and above completed region of the city black and odorous water are controlled
Within 10%；The year two thousand thirty, completed region of the city black and odorous water is totally eliminated.
The portion of building is lived according to the Chinese Ministry of Environmental Protection of the third season in 2016 and combines to set up national black and odorous water regulation supervising platform data to show
Show at present in national 295 regions and above city, there are 218 to be found that black and odorous water, black smelly rate is about 74%.It is black smelly
Body water amount 1945, wherein 1664, river, account for 85.7%；281, lake, the pool, accounts for 14.3%.Therefore more than level in all parts of the country
Black and odorous water is administered the preferential schedule for putting on environmental quality improvement in city.
City black and odorous water referred in completed region of the city, unpleasant color is presented and (or) distributes and make us foreign odor
Water body general designation.Water body occur it is black it is smelly cause mainly due to water hypoxia, specifically, there is following reason：The
One, exogenous organic matter and ammonia nitrogen consume water oxygen；Second, release pollution in endogenous bed mud；3rd, water body does not flow and water temperature
Elevated band carrys out the reduction of water body dissolved oxygen.When the dissolved oxygen in water body drops to one crosses low-level, work of the organic matter in anaerobic bacteria
With lower further decomposition, hydrogen sulfide, ammonia, mercaptan and other volatile micromolecular compounds of band peculiar smell are produced, so as to give out
Stink；Meanwhile, under anaerobic condition, the metallics such as iron, manganese in deposit and sulphur generate insoluble P, make water body black.
Different from river type water body, in addition to control aerobic substance, the nutritive salt such as nutritive salt TN, TP concentration is in suitable gas for lake storehouse property water body
Being deposited on blue-green algae in bed mud under temperature and hydrodynamic conditions can recover growth, reach certain threshold value and can produce large amount of organic and cause
Oxygen consumption reaction induces black smelly formation, therefore lake storehouse type water body to need to consider the growth of blue-green algae again.
The content of the invention
In view of this, it is an object of the invention to propose a kind of administering method for eliminating lake storehouse type black and odorous water, with
Eliminate black and odorous water.
Based on above-mentioned purpose, the administering method provided by the present invention for eliminating lake storehouse type black and odorous water includes following step
Suddenly：
Basin is divided into into several control units；
Calculate each control unit enter lake load and basin enter lake load total amount；
Calculate the environmental capacity of water of each control unit and the water environment total capacity in basin；
The pollutional load for calculating each control unit drafts reduction and the pollutional load in basin drafts reduction total amount；
With the pollutional load in basin draft reduction total amount as core, first to point source, it is endogenous be controlled, realize that control source subtracts
Row, then opposite source is controlled, the land and water integrated design principle that time-continuing process is reduced discharging, and implements 6 big class engineerings.
5 steps realize that the index of COD, ammonia nitrogen, dissolved oxygen and the lake storehouse exchange water cycle of water body reaches by more than
Mark.
In some embodiments of the invention, it is described to include the step of basin is divided into into several control units：
According to watershed management main body, water system planning, analysis and product stream Process of Confluence, it is determined that affecting lake storehouse water quality
Analysis region, is several control units by analysis region division.
In some embodiments of the invention, the lake that enters for entering lake load and basin for calculating each control unit is born
The step of lotus total amount, includes：
By field monitoring sewage draining exit and the method for investigation of pollution sources, calculate each control unit enters lake load, with
And basin enters lake load total amount.
In some embodiments of the invention, it is described enter lake load include into lake point source and enter lake surface source load it is total
Amount.
In some embodiments of the invention, in the non-ice age, it is described calculating each control unit environmental capacity of water and
In the step of water environment total capacity in basin, the environmental capacity of water of each control unit is calculated using model assessment method, calculated
Method is as follows：
Wherein, CsFor water quality objective, C0For section initial concentration, C0For river discharge, u is mean flow rate, and K is comprehensive drop
Solution coefficient, x is distance of m-th pollution sources away from control section, qmFor the flow of m-th pollution sources.Usually, NH3- N degradeds system
Number is 0.5, and COD degradation coefficient is 0.3.
In some embodiments of the invention, in the ice age, in the environmental capacity of water and stream of each control unit of calculating
In the step of water environment total capacity in domain, the environmental capacity of water of each control unit, calculating side are calculated using model assessment method
Method is as follows：
Wherein, CsFor water quality objective, C0For section initial concentration, C0For river discharge, u is mean flow rate, and K is comprehensive drop
Solution coefficient, x is distance of m-th pollution sources away from control section, qmFor the flow of m-th pollution sources.Usually, NH3- N degradeds system
Number is 0.1, and COD degradation coefficient is 0.1.
In some embodiments of the invention, the pollutional load in each control unit of calculating drafts reduction and stream
In the step of pollutional load in domain drafts reduction total amount, each control is deducted by the pollutional load total amount of each control unit single
The environmental capacity of water of unit obtains the pollutional load of each control unit and drafts reduction.
In some embodiments of the invention, the pollutional load in each control unit of calculating drafts reduction and stream
In the step of pollutional load in domain drafts reduction total amount, calculated pollutional load is drafted into reduction total amount and is multiplied by safe system
Number, as final pollutional load reduction total amount is drafted, and the safety coefficient is 115-120%.
In some embodiments of the invention, the 6 big class engineering includes：City point source control engineering (cuts dirty pipe network structure
Build and propose mark transformation with Sewage Plant), endogenous pollution control engineering, (the sponge urban construction and Rural Plane Source Pollution control of face source engineering
Engineering), the storehouse-pool-wetland engineering and ecological management engineering (give prominence to the key points storehouse-pool-wetland engineering in the megathermal period, give full play to this
The end catharsis of engineering, realizes the original position abatement into lake pollutant), lake storehouse wawter bloom control engineering and basin stable operation pipe
Science and engineering journey.
In some embodiments of the invention, (1) city point source control engineering：It is controlled to the in line mouth of basin point source sewage
Target, with reference to municipal sewage pipe network planning, the structure suited measures to local conditions cuts dirty pipe network, and in line sewage is complete by branch, core network
Portion collects and enters pipe network system, collects sewage and centrally disposes into sewage treatment plant.The arrangement engineering of sewage treatment plant should take into account 2
Individual aspect, is respectively that effluent-disposal standard will be improved, and general recommendations selects Beijing terrestrial reference B discharge standards, economically underdeveloped area
One-level emission standard A is ensured, secondly construction of wastewater treatment plant addressing builds a large-scale dirt it is not recommended that being placed on lower reaches
Water treatment plant, it is proposed that build small sewage treatment plant in the trip dispersion of basin upper, middle and lower, can ensure that basin river course is present stable raw
State water requirement.This section of dirty pipe network builds and carries the ability that the achievable pollutional load of mark improvement project cuts down 70-80%, category with Sewage Plant
Dispose with an emphasis engineering.
(2) endogenous pollution control engineering：With basin Hu Ku alluvial bed mud as control targe, carry out bed mud desilting with it is harmless
Change handling project, need to assess heavy metal in sludge risk before desilting, it is proposed that bed mud desilting depth about 30-50cm, cleaning
Mud field conduct is dehydrated volume reduction engineering and the mud to there is heavy metal risk will using the method for addition heavy metal deactivator
Heavy metal is fixed and eliminates its ecological risk.
(3) face source engineering：The engineering includes that city surface source controls engineering with rural area face source, in city surface source pollution engineering
With walking street, building roof and public space as target, the Sources controlling engineering for building rainwater is that engineering is built in sponge city, is dashed forward
Go out the oozing, store of rainwater, only；With domestic sewage in rural areas and agricultural drain as target in Rural Plane Source Pollution engineering, rural area is built
The decentralized disposal of sewage and the grass planting ditch engineering of agricultural drain channel, the low cost of prominent country sewage, ecology are disposed.Face
Source pollution control engineering is capable of achieving the ability that pollutional load cuts down 10-15%.
(4) storehouse-pool-wetland and ecological management engineering：The engineering to build waters Health- Ecosystem as target, in Hu Ku
And the wet land systems such as surface low, undercurrent with purification function are built in the range of the green line of both sides, play the filtration to pollutant, inhale
The effect that attached, plant absorption and microorganism are decomposed, the storehouse-pool-wetland is capable of achieving pollutional load abatement 5- with ecological management engineering
10% ability.Give prominence to the key points storehouse-pool-wetland engineering in the megathermal period, give full play to the end catharsis of the engineering, realize into
The abatement in situ of river pollutant.
(5) lake storehouse wawter bloom control engineering：The engineering occurs as target with control blue-green alga bloom, main to carry out 2 construction
Engineering implements first Hu Ku and changes water regulation and control engineering, and Hu Ku is changed into water week by way of supplementing calculated flow into lake and building gate of regulating and storing
Phase was controlled at 10～15 days；Secondly the careless type ecological systems engineering of structure along the lake is implemented, in lake storehouse periphery and phytal zone according to landform kind
Plant the outburst of the water plant such as water plant such as copper coin grass, the watermifoil suppression blue-green algae for adapting to local growth.
(6) basin stable operation management engineering：Managed as target with efficient with stable operation after the engineering construction, build and close
The water quality of key node-water yield monitoring network, river maintenance management platform, ensure the quality in watershed stably reaching standard.
In some embodiments of the invention, in the non-ice age, until chlorophyll-a concentration, ammonia nitrogen, dissolved oxygen, total nitrogen, total phosphorus
Following parameter request is reached with exchange water cycle：
Chlorophyll-a concentration<30μg/L；
Ammonia nitrogen<2mg/L；
Dissolved oxygen>5mg/L；
Total nitrogen<5mg/L；
Total phosphorus<0.5mg/L
Exchange water cycle is 10～15 days.
In some embodiments of the invention, in the ice age, until COD, ammonia nitrogen, total nitrogen and total phosphorus reach it is following
Parameter request：
COD<40mg/L；
Ammonia nitrogen<3mg/L；
Total nitrogen<8mg/L；
Total phosphorus<1mg/L.
From the above it can be seen that the administering method provided by the present invention for eliminating lake storehouse type black and odorous water, passes through
Calculating and the engineering integral layout of cutting down total amount are drafted to the pollutional load of each control unit and basin, it is multinomial so as to control
Index, to reach the purpose for eliminating black and odorous water, alternatively black and odorous water is administered and provides stronger theory support.
Description of the drawings
Fig. 1 is the division figure (administer space cell and divide figure) of each control unit of the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
Provided by the present invention for eliminate lake storehouse type black and odorous water administering method based on the type black and odorous water of lake storehouse syllabus
Mark, and consider seasonal variety influence factor, the parameter of every core index is controlled respectively, imitated with the elimination for improving black and odorous water
Really.
As one embodiment of the present of invention, for high temperature under (>=8 DEG C) lake storehouse type black and odorous water (non-ice age), this
The administering method for eliminating lake storehouse type black and odorous water of bright offer is comprised the following steps：
1) basin is divided into into several control units
Specifically, according to watershed management main body, water system planning, analysis and product stream Process of Confluence, it is determined that affecting lake
The analysis region of storehouse water quality, is several control units by analysis region division.It is general to divide one-level control
Unit 3-5, Two-stage control unit, Two-stage control unit 5-12 altogether are divided in each one-level control unit.Will be described
Basin is divided into one-level control unit and Two-stage control unit to be beneficial to carry out whole basin and accurately calculate and accurately control, from
And improve the regulation effect of watershed.
2) calculate each control unit enter lake load and basin enter lake load total amount
Specifically, entering for each control unit can be calculated by methods such as field monitoring sewage draining exit and investigation of pollution sources
Lake load, and basin enters lake load total amount.Wherein, entering lake load can include into lake point source and enter the negative of lake surface source
Lotus total amount.It should be noted that the lake load total amount that enters in the basin refers to each one-level control unit or Two-stage control list
Unit enters lake load sum.Further, in the present invention, enter that lake load refers to pollutant enters lake load, and it can
To enter lake load including COD and ammonia nitrogen enters lake load.In the present invention, the point source refers to big or middle enterprise and big or middle residence
People's point is transported to obvious sewage draining exit in the large amount of sewage Jing pipe ducts of a small range, and the face source refers to scattered small enterprise and divides
The dispersion discharge of scattered resident a small amount of water pollution over a large area.
In this step, can first calculate Two-stage control unit enters lake load, and the lake that enters that two basins are tried to achieve then is born
Lotus total amount.
3) environmental capacity of water of each control unit and the water environment total capacity in basin are calculated
The environmental capacity of water refers to the open ended pollution of each control unit under the conditions of the water quality objective of black smelly elimination
Thing amount.
It is alternatively possible to calculate the environmental capacity of water of each control unit using model assessment method, computational methods are as follows：
Wherein, CsFor water quality objective, C0For section initial concentration, C0For river discharge, u is mean flow rate, and K is comprehensive drop
Solution coefficient, x is distance of m-th pollution sources away from control section, qmFor the flow of m-th pollution sources.Usually, NH3- N degradeds system
Number is 0.5, and COD degradation coefficient is 0.3.
4) pollutional load for calculating each control unit drafts reduction and the pollutional load in basin drafts reduction total amount
By the pollutional load total amount (entering lake point source load and the summation for entering lake surface source load) of each control unit
The environmental capacity of water for deducting each control unit obtains the pollutional load of each control unit and drafts reduction.
Preferably, it is the reliability that ensures black smelly elimination, eliminates deviation and its that pollution monitoring calculates with load model
He is uncertain, need to increase pollutional load and draft reduction total amount, and the safety coefficient of target of increasing water quality can be calculated above-mentioned
To pollutional load draft reduction total amount be multiplied by safety coefficient, draft reduction total amount as final pollutional load.In the present invention
Some embodiments in, the security system typically can select for 15-20%, above-mentioned calculated pollutional load to be drafted and is cut
Subtract total amount and be multiplied by 115-120%, as finally giving abatement total amount is drafted, so as to complete the pollution of each control unit and basin
Load drafts the calculating for cutting down total amount.
5) engineering integral layout
With the pollutional load in basin draft reduction total amount as core, first to point source, it is endogenous be controlled, realize that control source subtracts
Row, then opposite source is controlled, the land and water integrated design principle that time-continuing process is reduced discharging, and implements 6 big class engineerings.Wherein, institute
Stating 6 big class engineerings can include：City point source control engineering, endogenous pollution control engineering, face source engineering, the storehouse-pool-wetland and life
State harnessing project, lake storehouse wawter bloom control engineering, basin stable operation management engineering.
Specifically, (1) city point source control engineering：Target is controlled to the in line mouth of basin point source sewage, it is dirty with reference to city
Grid plans that the structure suited measures to local conditions cuts dirty pipe network and collects and enter pipe network in line sewage by branch, core network whole
System, collects sewage and centrally disposes into sewage treatment plant.The arrangement engineering of sewage treatment plant should take into account 2 aspects, be respectively
Effluent-disposal standard will be improved, and general recommendations selects Beijing terrestrial reference B discharge standards, economically underdeveloped area to ensure that one-level A is arranged
Standard is put, secondly construction of wastewater treatment plant addressing builds a large-scale wastewater treatment plant it is not recommended that being placed on lower reaches, it is proposed that
Small sewage treatment plant is built in the trip dispersion of basin upper, middle and lower, can ensure that basin river course has stable Water Requirement.This section
Dirty pipe network builds and puies forward the ability that mark improvement project is capable of achieving pollutional load abatement 70-80% with Sewage Plant, and category disposes with an emphasis engineering.
(2) endogenous pollution control engineering：With basin Hu Ku alluvial bed mud as control targe, carry out bed mud desilting with it is harmless
Change handling project, need to assess heavy metal in sludge risk before desilting, it is proposed that bed mud desilting depth about 30-50cm, cleaning
Mud field conduct is dehydrated volume reduction engineering and the mud to there is heavy metal risk will using the method for addition heavy metal deactivator
Heavy metal is fixed and eliminates its ecological risk.
(3) face source engineering：The engineering includes that city surface source controls engineering with rural area face source, in city surface source pollution engineering
With walking street, building roof and public space as target, the Sources controlling engineering for building rainwater is that engineering is built in sponge city, is dashed forward
Go out the oozing, store of rainwater, only；With domestic sewage in rural areas and agricultural drain as target in Rural Plane Source Pollution engineering, rural area is built
The decentralized disposal of sewage and the grass planting ditch engineering of agricultural drain channel, the low cost of prominent country sewage, ecology are disposed.Face
Source pollution control engineering is capable of achieving the ability that pollutional load cuts down 10-15%.
(4) storehouse-pool-wetland and ecological management engineering：The engineering to build waters Health- Ecosystem as target, in Hu Ku
And the wet land systems such as surface low, undercurrent with purification function are built in the range of the green line of both sides, play the filtration to pollutant, inhale
The effect that attached, plant absorption and microorganism are decomposed, the storehouse-pool-wetland is capable of achieving pollutional load abatement 5- with ecological management engineering
10% ability.Give prominence to the key points storehouse-pool-wetland engineering in the megathermal period, give full play to the end catharsis of the engineering, realize into
The abatement in situ of river pollutant.
(5) lake storehouse wawter bloom control engineering：The engineering occurs as target with control blue-green alga bloom, main to carry out 2 construction
Engineering implements first Hu Ku and changes water regulation and control engineering, and Hu Ku is changed into water week by way of supplementing calculated flow into lake and building gate of regulating and storing
Phase was controlled at 10～15 days；Secondly the careless type ecological systems engineering of structure along the lake is implemented, in lake storehouse periphery and phytal zone according to landform kind
Plant the outburst of the water plant such as water plant such as copper coin grass, the watermifoil suppression blue-green algae for adapting to local growth.
(6) basin stable operation management engineering：Managed as target with efficient with stable operation after the engineering construction, build and close
The water quality of key node-water yield monitoring network, river maintenance management platform, ensure the quality in watershed stably reaching standard.
Give prominence to the key points storehouse-pool-wetland engineering and lake storehouse wawter bloom control engineering in the megathermal period, give full play to purification of water quality (TN<
5mg/L, TP<0.5mg/L) with exchange water cycle effect (10～15 days) of Hu Ku, the generation of wawter bloom is controlled.
6) engineering evaluation
5 steps are realized chlorophyll a (Chla) concentration of water body, ammonia nitrogen, dissolved oxygen, total nitrogen, total phosphorus and are changed by more than
The core Con trolling index such as water cycle is up to standard, until chlorophyll a (Chla) concentration, ammonia nitrogen, dissolved oxygen, total nitrogen, total phosphorus and change water week
Phase reaches following parameter request, and design parameter control is as follows：
| Con trolling index title | Con trolling index threshold value |
| Chlorophyll a (Chla) concentration | <30μg/L |
| Ammonia nitrogen (NH3-N) | <2mg/L |
| Dissolved oxygen (DO) * | >5mg/L |
| Total nitrogen (TN) | <5mg/L |
| Total phosphorus (TP) | <0.5mg/L |
| Exchange water cycle | 10～15 days |
The regulation effect of the black and odorous water that the method provided using the present invention is reached：
1st stage (just imitating the stage)：
River bare flow is ensured, without rubbish, without floating thing, transparency is moderate, and mainstream substantially eliminates black smelly.
The non-ice age：TN：5～8mg/L；TP：1mg/L；DO (below 50cm)：2mg/L.
Exchange water cycle：10～15 days.
2nd stage (stage up to standard)：
River discharge is ensured, water quality is limpid, and full section thoroughly eliminates black smelly, and river channel ecology landscape is good.
The non-ice age：TN：3～5mg/L；TP：0.5～1mg/L；DO (below 50cm)：2mg/L.
Exchange water cycle：10～15 days.
3rd stage (consolidation phase)：
River water security and bare flow are ensured, river, lake ecological service function perfect, and ecoscape is graceful.
The non-ice age：TN：3～5mg/L；TP：0.5mg/L；DO (below 50cm)：3mg/L.
Exchange water cycle：10～15 days.
As one embodiment of the present of invention, for low temperature under (<8 DEG C) lake storehouse type black and odorous water (ice age), the present invention
The administering method for eliminating lake storehouse type black and odorous water for providing is comprised the following steps：
1) basin is divided into into several control units
Specifically, according to watershed management main body, water system planning, analysis and product stream Process of Confluence, it is determined that affecting lake
The analysis region of storehouse water quality, is several control units by analysis region division.It is general to divide one-level control
Unit 3-5, Two-stage control unit, Two-stage control unit 5-12 altogether are divided in each one-level control unit.Will be described
Basin is divided into one-level control unit and Two-stage control unit to be beneficial to carry out whole basin and accurately calculate and accurately control, from
And improve the governance efficiency of watershed.
2) calculate each control unit enter lake load and basin enter lake load total amount
Specifically, each of each control unit can be calculated by methods such as field monitoring sewage draining exit and investigation of pollution sources
Individual control unit enters lake load, and basin enters lake load total amount.Wherein, entering lake load can be included into lake point source
With the load total amount for entering lake surface source.It should be noted that the lake load total amount that enters in the basin refers to each one-level control unit
Or Two-stage control unit enters lake load sum.Further, in the present invention, enter lake load and refer to entering for pollutant
Lake load, it can enter lake load including COD and ammonia nitrogen enters lake load.In the present invention, the point source refers to big or middle
Enterprise and big or middle residential area are transported to obvious sewage draining exit in the large amount of sewage Jing pipe ducts of a small range, and the face source refers to point
The dispersion of scattered small enterprise and scattered resident a small amount of water pollution over a large area is discharged in this step, can first calculate two
Level control unit enters lake load, and then basin enters lake load total amount.
3) environmental capacity of water of each control unit and the water environment total capacity in basin are calculated
The environmental capacity of water refers to the open ended pollution of each control unit under the conditions of the water quality objective of black smelly elimination
Thing amount.
It is alternatively possible to calculate the environmental capacity of water of each control unit using model assessment method, computational methods are as follows：
Wherein, CsFor water quality objective, C0For section initial concentration, C0For river discharge, u is mean flow rate, and K is comprehensive drop
Solution coefficient, x is distance of m-th pollution sources away from control section, qmFor the flow of m-th pollution sources.Usually, NH3- N degradeds system
Number is 0.1, and COD degradation coefficient is 0.1.
4) pollutional load for calculating each control unit drafts reduction and the pollutional load in basin drafts reduction total amount：It is logical
The pollutional load total amount (entering lake point source load and the summation for entering lake surface source load) for crossing each control unit deducts each control
The environmental capacity of water of unit processed obtains the pollutional load of each control unit and drafts reduction.
Preferably, it is the reliability that ensures black smelly elimination, eliminates deviation and its that pollution monitoring calculates with load model
He is uncertain, need to increase pollutional load and draft reduction total amount, and the safety coefficient of target of increasing water quality can be calculated above-mentioned
To pollutional load draft reduction total amount be multiplied by safety coefficient, draft reduction total amount as final pollutional load.In the present invention
Some embodiments in, the security system typically can select for 15-20%, above-mentioned calculated pollutional load to be drafted and is cut
Subtract total amount and be multiplied by 115-120%, as finally giving abatement total amount is drafted, so as to complete the pollution of each control unit and basin
Load drafts the calculating for cutting down total amount.
5) engineering integral layout
With the pollutional load in basin draft reduction total amount as core, first to point source, it is endogenous be controlled, realize that control source subtracts
Row, then opposite source is controlled, the land and water integrated design principle that time-continuing process is reduced discharging, and implements 6 big class engineerings.Wherein, institute
Stating 6 big class engineerings can include：City point source control engineering, endogenous pollution control engineering, face source engineering, the storehouse-pool-wetland and life
State harnessing project, lake storehouse wawter bloom control engineering, basin stable operation management engineering.
Specifically, (1) city point source control engineering：Target is controlled to the in line mouth of basin point source sewage, it is dirty with reference to city
Grid plans that the structure suited measures to local conditions cuts dirty pipe network and collects and enter pipe network in line sewage by branch, core network whole
System, collects sewage and centrally disposes into sewage treatment plant.The arrangement engineering of sewage treatment plant should take into account 2 aspects, be respectively
Effluent-disposal standard will be improved, and general recommendations selects Beijing terrestrial reference B discharge standards, economically underdeveloped area to ensure that one-level A is arranged
Standard is put, secondly construction of wastewater treatment plant addressing builds a large-scale wastewater treatment plant it is not recommended that being placed on lower reaches, it is proposed that
Small sewage treatment plant is built in the trip dispersion of basin upper, middle and lower, can ensure that basin river course has stable Water Requirement.This section
Dirty pipe network builds and puies forward the ability that mark improvement project is capable of achieving pollutional load abatement 70-80% with Sewage Plant, and category disposes with an emphasis engineering.
(2) endogenous pollution control engineering：With basin Hu Ku alluvial bed mud as control targe, carry out bed mud desilting with it is harmless
Change handling project, need to assess heavy metal in sludge risk before desilting, it is proposed that bed mud desilting depth about 30-50cm, cleaning
Mud field conduct is dehydrated volume reduction engineering and the mud to there is heavy metal risk will using the method for addition heavy metal deactivator
Heavy metal is fixed and eliminates its ecological risk.
(3) face source engineering：The engineering includes that city surface source controls engineering with rural area face source, in city surface source pollution engineering
With walking street, building roof and public space as target, the Sources controlling engineering for building rainwater is that engineering is built in sponge city, is dashed forward
Go out the oozing, store of rainwater, only；With domestic sewage in rural areas and agricultural drain as target in Rural Plane Source Pollution engineering, rural area is built
The decentralized disposal of sewage and the grass planting ditch engineering of agricultural drain channel, the low cost of prominent country sewage, ecology are disposed.Face
Source pollution control engineering is capable of achieving the ability that pollutional load cuts down 10-15%.
(4) storehouse-pool-wetland and ecological management engineering：The engineering to build waters Health- Ecosystem as target, in Hu Ku
And the wet land systems such as surface low, undercurrent with purification function are built in the range of the green line of both sides, play the filtration to pollutant, inhale
The effect that attached, plant absorption and microorganism are decomposed, the storehouse-pool-wetland is capable of achieving pollutional load abatement 5- with ecological management engineering
10% ability.Give prominence to the key points storehouse-pool-wetland engineering in the megathermal period, give full play to the end catharsis of the engineering, realize into
The abatement in situ of river pollutant.
(5) lake storehouse wawter bloom control engineering：The engineering occurs as target with control blue-green alga bloom, main to carry out 2 construction
Engineering implements first Hu Ku and changes water regulation and control engineering, and Hu Ku is changed into water week by way of supplementing calculated flow into lake and building gate of regulating and storing
Phase was controlled at 10～15 days；Secondly the careless type ecological systems engineering of structure along the lake is implemented, in lake storehouse periphery and phytal zone according to landform kind
Plant the outburst of the water plant such as water plant such as copper coin grass, the watermifoil suppression blue-green algae for adapting to local growth.
(6) basin stable operation management engineering：Managed as target with efficient with stable operation after the engineering construction, build and close
The water quality of key node-water yield monitoring network, river maintenance management platform, ensure the quality in watershed stably reaching standard.
Put forward mark improvement project, reduction storehouse-pool-wetland engineering and lake storehouse wawter bloom and control work in hypothermic phase Sewage Plant of giving prominence to the key points
Journey, it is proposed that improve sewage effluents water standard with the measures such as microbial film system are increased by adding small molecule carbon source.
6) engineering evaluation
5 steps realize that the core Con trolling index such as COD, ammonia nitrogen, total nitrogen and total phosphorus of water body reaches by more than
Mark, until COD, ammonia nitrogen, total nitrogen and total phosphorus reach following parameter request, design parameter control is as follows：
| Con trolling index title | Con trolling index threshold value |
| COD (COD) | <40mg/L |
| Ammonia nitrogen (NH3-N) | <3mg/L |
| Total nitrogen (TN) | <8mg/L |
| Total phosphorus (TP) | <1mg/L |
The regulation effect of the black and odorous water that the method provided using the present invention is reached：
1st stage (just imitating the stage)：
River bare flow is ensured, without rubbish, without floating thing, transparency is moderate, and mainstream substantially eliminates black smelly.
Ice age：COD：40mg/L；Ammonia nitrogen：3～4mg/L；TN：5～8mg/L；TP：1mg/L.
2nd stage (stage up to standard)：
River discharge is ensured, water quality is limpid, and full section thoroughly eliminates black smelly, and river channel ecology landscape is good.
Ice age：COD：30～40mg/L；Ammonia nitrogen：2～3mg/L；TN：5～6mg/L；TP：1mg/L.
3rd stage (consolidation phase)：
River water security and bare flow are ensured, river, lake ecological service function perfect, and ecoscape is graceful.
Ice age：OD：30mg/L；Ammonia nitrogen：2mg/L；TN：5～6mg/L；TP：0.5mg/L.
Embodiment：Changchun string lake basin black and odorous water harnessing project (lake storehouse type black and odorous water)
String lake region domain is comprising Zhai family Ming Gou and 2 tributaries of the bright ditch of Song family, Tian Jia lakes, crescent reservoir, to honk lake sub with small city
The Water Space of 500～800 meters of scopes of many places Hu Ku of reservoir etc. 10 and both sides, water system total length about 22km belongs to typical
Urban lake storehouse type water body, total land area about 33.79km2 in planned range.String lake basin and western Xinhe River basin black and odorous water journey
Degree is similar, and COD, ammonia nitrogen aerobic substance are more than V class standards, therefore the elimination of string lake basin black and odorous water is included《Changchun falls
Real water prevention and cure of pollution action plan programme of work》.It is different from river type black and odorous water Engineering Control index, lake storehouse type black and odorous water
Control to consider that the wawter bloom that the nutriments such as TN, TP bring causes black while elimination considering COD, the aerobic substance such as ammonia nitrogen
Smelly generation again, it is therefore desirable to consider the indexs such as TN, TP, it is contemplated that relatively low TN, TP Con trolling index can bring construction budget
Substantial increase, the present invention the basin wawter bloom control aspect by improving exchange water cycle and setting up careless type ecosystem control
Chlorophyll a (Chla) concentration is realizing the generation of lake storehouse wawter bloom.
Specifically, using the administering method provided by the present invention for eliminating lake storehouse type black and odorous water to Changchun string lake current
Domain carries out the elimination of black and odorous water.
First, basin is divided into into several control units：According to watershed management main body, water system planning, analysis, product
Stream Process of Confluence affects the analysis region of section water quality to determine.Divide 4 control units (one-level control unit), including
The bright ditch of Zhai family, string lake upstream, string lake downstream and the bright ditch of Song family, referring to table 1.
The area of the unit of table 1
2nd, calculate basin enter lake load total amount and each control unit enter lake load total amount：Divide in control unit
On the basis of, enter lake load by what field monitoring and model assessment calculated each control unit.
It is computed, enters lake point source COD load and be concentrated mainly on the bright ditch of Zhai family in one-level control unit, string lake downstream, COD
Load is respectively 3651t/a (ton/year), 1825t/a；Enter lake point source ammonia nitrogen loading amount and be concentrated mainly on the bright ditch of Zhai family, string lake
Downstream, ammonia nitrogen loading amount is respectively 912t/a, 182t/a.In terms of lake non-point source pollution loading is entered, pollutant has been mainly derived from
The wet season of rainfall, it is concentrated mainly on the bright ditch of Zhai family in one-level control unit, string lake upstream, string lake downstream, COD load difference
For 708t/a (ton/year), 1268t/a and 1061t/a；Enter lake surface source ammonia nitrogen loading amount less.Referring specifically to table 2 and table 3.
Table 2 each control unit enters lake point source load
Table 3 each control unit enters lake surface source load
3rd, the environmental capacity of water of each control unit and the water environment total capacity in basin are calculated：Calculate in black smelly elimination
The open ended amount of pollutant in the basin under the conditions of water quality objective, using model calculate each control unit environmental capacity of water and
The water environment total capacity in basin.The environmental capacity of water of each control unit is referring to table 4.
The environmental capacity of water of table 4 each control unit
4th, the pollutional load for calculating each control unit drafts reduction and the pollutional load in basin drafts reduction total amount：
Each is deducted by the pollutional load total amount (entering lake point source load and the summation for entering lake surface source load) of each control unit
The environmental capacity of water of control unit obtains the pollutional load theory reduction of each control unit.To ensure what water quality objective was realized
Reliability, eliminates deviation and other uncertainties that pollution monitoring is adjusted with load model, need to increase pollutant burden abatement total
Amount, the safety coefficient (safety coefficient (MOS) is 115%) of target of increasing water quality, therefore abatement capacity is drafted more than theoretical abatement
Capacity, drafts abatement amount participation table 5.
The load of table 5 each control unit drafts abatement amount
Administering method provided by the present invention for eliminating lake storehouse type black and odorous water, by each control unit and basin
Pollutional load draft cut down total amount calculating and engineering integral layout, so as to control many index, with reach eliminate it is black smelly
The purpose of water body, alternatively black and odorous water are administered and provide stronger theory support.
Those of ordinary skill in the art should be understood：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the present invention, above example
Or can also be combined between the technical characteristic in different embodiments, and there is the different aspect of the present invention as above
Many other changes, in order to it is simple and clear they provide without in details.Therefore, it is all within the spirit and principles in the present invention,
Any omission, modification, equivalent, improvement for being made etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of administering method for eliminating lake storehouse type black and odorous water, it is characterised in that comprise the following steps：
Basin is divided into into several control units；
Calculate each control unit enter lake load and basin enter lake load total amount；
Calculate the environmental capacity of water of each control unit and the water environment total capacity in basin；
The pollutional load for calculating each control unit drafts reduction and the pollutional load in basin drafts reduction total amount；
With the pollutional load in basin draft reduction total amount as core, first to point source, it is endogenous be controlled, realize control source reduce discharging, so
Afterwards opposite source is controlled, the land and water integrated design principle that time-continuing process is reduced discharging, and implements 7 big class engineerings；
5 steps realize that the index of COD, ammonia nitrogen, dissolved oxygen and the lake storehouse exchange water cycle of water body is up to standard by more than.
2. the administering method for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that it is described will stream
The step of domain is divided into several control units includes：
According to watershed management main body, water system planning, analysis and product stream Process of Confluence, it is determined that affecting the pollution of lake storehouse water quality
Source distribution region, is several control units by analysis region division.
3. the administering method for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that the calculating
Each control unit enters including the step of entering lake load total amount for lake load and basin：
By field monitoring sewage draining exit and the method for investigation of pollution sources, calculate each control unit enters lake load, Yi Jiliu
Domain enters lake load total amount.
4. the administering method for eliminating lake storehouse type black and odorous water according to claim 3, it is characterised in that it is described enter lake
Load is included into lake point source and the load total amount for entering lake surface source.
5. the administering method for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that in the meter
Calculate each control unit environmental capacity of water and basin water environment total capacity the step of in, calculate each using model assessment method
The environmental capacity of water of individual control unit, computational methods are as follows：
Wherein, CsFor water quality objective, C0For section initial concentration, C0For river discharge, u is mean flow rate, and K is comprehensive degraded system
Number, x is distance of m-th pollution sources away from control section, qmFor the flow of m-th pollution sources, usually, NH3- N degradation coefficients are
0.5, COD degradation coefficient is 0.3.
6. the administering method for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that in the meter
Calculate each control unit environmental capacity of water and basin water environment total capacity the step of in, calculate each using model assessment method
The environmental capacity of water of individual control unit, computational methods are as follows：
Wherein, CsFor water quality objective, C0For section initial concentration, C0For river discharge, u is mean flow rate, and K is comprehensive degraded system
Number, x is distance of m-th pollution sources away from control section, qmFor the flow of m-th pollution sources, usually, NH3- N degradation coefficients are
0.1, COD degradation coefficient is 0.1.
7. the administering method for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that in the meter
The pollutional load for calculating each control unit is drafted the step of the pollutional load in reduction and basin drafts reduction total amount, by each
The pollutional load total amount of individual control unit deduct the environmental capacity of water of each control unit obtain each control unit pollution bear
Lotus drafts reduction.
8. the administering method for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that in the meter
The pollutional load for calculating each control unit is drafted the step of the pollutional load in reduction and basin drafts reduction total amount, will be calculated
The pollutional load for obtaining drafts reduction total amount and is multiplied by safety coefficient, and as final pollutional load reduction total amount, the peace are drafted
Overall coefficient is 115-120%.
9. the administering method for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that described 6 is big
Class engineering includes：City point source control engineering, endogenous pollution control engineering, face source engineering, the storehouse-pool-wetland engineering and ecology are controlled
Science and engineering journey, lake storehouse wawter bloom control engineering and basin stable operation management engineering.
10. the administering method for eliminating lake storehouse type black and odorous water according to claim 9, it is characterised in that city point
Source controls engineering：Target is controlled to the in line mouth of basin point source sewage, with reference to municipal sewage pipe network planning, building a section dirty pipe network will
In line sewage is all collected by branch, core network and enters pipe network system, is collected sewage and is centrally disposed into sewage treatment plant；
Endogenous pollution controls engineering：Bed mud with basin river channel sedimentation carries out bed mud desilting and harmlessness disposing as control targe
Engineering, needs to assess heavy metal in sludge risk before desilting, and the mud field conduct of cleaning is dehydrated volume reduction engineering and to there is a huge sum of money
Heavy metal is fixed and eliminates its ecological risk by the mud of category risk using the method for addition heavy metal deactivator；
Face source engineering：Control engineering including city surface source and rural area face source, in city surface source pollution engineering with walking street, build
It is target to build roof and public space, builds the Sources controlling engineering of rainwater, the oozing, store of prominent rainwater, only；It is dirty in rural area face source
With domestic sewage in rural areas and agricultural drain as target in dyer's journey, decentralized disposal and the agricultural drain channel of country sewage is built
Grass planting ditch engineering, the low cost of prominent country sewage, ecology are disposed；
Storehouse-the pool-wetland and ecological management engineering：To build waters Health- Ecosystem as target, in riverbank and the green line of both sides
In the range of build surface low, undercurrent with purification function, play and the filtration of pollutant, absorption, plant absorption and microorganism divided
The effect of solution, gives prominence to the key points storehouse-pool-wetland engineering in the megathermal period；
Lake storehouse wawter bloom control engineering：Target is occured as with control blue-green alga bloom, Hu Ku is implemented first and is changed water regulation and control engineering, passed through
The mode supplemented calculated flow into lake and build gate of regulating and storing controls lake storehouse exchange water cycle at 10～15 days；Secondly structure along the lake is implemented
Careless type ecological systems engineering, plants according to landform in lake storehouse periphery and phytal zone and adapts to the local water plant suppression blue-green algae for growing
Outburst；
Basin stable operation management engineering：Managed as target with efficient with stable operation after the engineering construction, build key node
Water quality-water yield monitoring network, river maintenance management platform, ensure the quality in watershed stably reaching standard.
11. administering methods for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that until leaf
Green plain a concentration, ammonia nitrogen, dissolved oxygen, total nitrogen, total phosphorus and exchange water cycle reach following parameter request：
Chlorophyll-a concentration<30μg/L；
Ammonia nitrogen<2mg/L；
Dissolved oxygen>5mg/L；
Total nitrogen<5mg/L；
Total phosphorus<0.5mg/L
Exchange water cycle is 10～15 days.
12. administering methods for eliminating lake storehouse type black and odorous water according to claim 1, it is characterised in that until changing
Learn oxygen demand, ammonia nitrogen, total nitrogen and total phosphorus and reach following parameter request：
COD<40mg/L；
Ammonia nitrogen<3mg/L；
Total nitrogen<8mg/L；
Total phosphorus<1mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063614.XA CN106600506A (en) | 2016-11-25 | 2016-11-25 | Treatment method for elimination of lake and reservoir type black and odorous water bodies |
Applications Claiming Priority (1)
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| CN110119900A (en) * | 2019-05-16 | 2019-08-13 | 中建一局华江建设有限公司 | A kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107527298A (en) * | 2017-08-26 | 2017-12-29 | 辽宁大学 | A kind of reservoir watershed water quality objective control method of North large-scale |
| WO2020133611A1 (en) * | 2018-12-28 | 2020-07-02 | 中南大学 | Heavy metal wastewater purification control method based on dynamic operation mode matching |
| CN110119900A (en) * | 2019-05-16 | 2019-08-13 | 中建一局华江建设有限公司 | A kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity |
| CN110885132A (en) * | 2019-11-22 | 2020-03-17 | 浙江清华长三角研究院 | Identification method for preferential supervision set of rural domestic sewage treatment facility |
| CN111573749A (en) * | 2020-04-16 | 2020-08-25 | 天津瑟威兰斯科技有限公司 | Method and system for inhibiting cyanobacterial bloom based on serial reservoir water temperature regulation |
| CN113139757A (en) * | 2020-10-20 | 2021-07-20 | 中科三清科技有限公司 | Pollution source discharge quantitative analysis method and device |
| CN113449984A (en) * | 2021-06-25 | 2021-09-28 | 中国水利水电科学研究院 | Reed resource quantity evaluation method |
| CN113443719A (en) * | 2021-06-25 | 2021-09-28 | 中国水利水电科学研究院 | Comprehensive treatment method for aquatic ecological water environment based on reeds |
| CN113449984B (en) * | 2021-06-25 | 2023-12-29 | 中国水利水电科学研究院 | Reed resource quantity assessment method |
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