CN106277345B - Fixed algae algae level ground system removes the method and system of noxious pollutant in breeding water body - Google Patents
Fixed algae algae level ground system removes the method and system of noxious pollutant in breeding water body Download PDFInfo
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- CN106277345B CN106277345B CN201610892107.0A CN201610892107A CN106277345B CN 106277345 B CN106277345 B CN 106277345B CN 201610892107 A CN201610892107 A CN 201610892107A CN 106277345 B CN106277345 B CN 106277345B
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- algae
- level ground
- sessile
- water body
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
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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
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
Abstract
A kind of fixation algae algae level ground system removes the method and system of noxious pollutant in breeding water body, comprising the following steps: obtains the time required for sessile algae biomass in natural water, and culture sessile algae development particular organisms amount；Light intensity, residence time and water depth when obtaining sessile algae growth rate, and recording maximum growth rate；Establish the relationship of noxious pollutant removal rate and residence time, pollutional load and sessile algae biomass；It determines breeding water body treating capacity, constructs fixed algae algae level ground system；Breeding water body is introduced into fixed algae algae level ground system, runs noxious pollutant in fixed algae algae level ground system removal breeding water body, such as ammonia nitrogen, heavy metal, environmental hormone and antibiotic；Sessile algae is gathered in, fixed algae algae level ground system is cleared up.Present invention growing environment needed for sessile algae breeding in cyclic process by optimization water body, algae maximum growth rate is kept to reach improvement culture environment of aquatic products to remove the noxious pollutant in breeding water body, aquatic product quality is improved, ensures fish quality from source.
Description
Technical field
The present invention relates to the Treatment process fields of aquaculture system, remove more particularly to a kind of fixed algae algae level ground system
The method and system of noxious pollutant in breeding water body.
Background technique
With the growth of population, aquaculture and animal husbandry development and applying quantity of chemical fertilizer be continuously increased and feed
Launch etc., cause the noxious pollutants such as a large amount of ammonia nitrogens, heavy metal, environmental hormone and antibiotic to enter water body, leads to aquaculture
Water body environment constantly deteriorate, influence output of aquatic products and quality safety.
In the prior art, addition chemical floc is concentrated mainly on to the Treatment process of polluted-water, cuts dirty, artificial aeration
And artificial swamp and artificial floating island etc., these repair mode operating costs are high, and removal efficiency is low, long processing period.On and
It states processing method and often changes the original biology community structure of water body and ecological environment, be not suitable for repairing for aquaculture system
It is multiple.Therefore, on the basis of not changing original ecological environment, suitable recovery technique is selected, is to improve culture environment of aquatic products, mentions
The primary selection of high aquatic product quality.Start to be concerned by people currently, repairing water pollution using water plant, but water
Plant growth cycle is long, and removal efficiency is low, and cleaning project amount is big, and disposal costs are high.
Summary of the invention
In order to solve the shortcomings of the prior art, the purpose of the present invention is to provide a kind of fixed algae algae level ground systems to remove
The method and system of noxious pollutant in breeding water body, using sessile algae in water body, this microcosmic group handles aquaculture water
The hazardous contaminants such as ammonia nitrogen, heavy metal, environmental hormone and antibiotic in body, not only biomass is big for the algae in water body,
Metabolic rate is fast, and growth cycle is short, moreover it is possible to discharge oxygen by photosynthesis, increase the dissolved oxygen in water body, in ecosystem ring
On the basis of border, it can further improve water body environment quality.
To achieve the above object, fixed algae algae level ground system provided by the invention removes the side of noxious pollutant in breeding water body
Method, comprising the following steps:
(1) sessile algae biomass in natural water, and culture sessile algae development are obtained to needed for particular organisms amount
The time wanted；
(2) light intensity, residence time and water body when obtaining sessile algae growth rate, and recording maximum growth rate
Depth；
(3) relationship of noxious pollutant removal rate and residence time, pollutional load and sessile algae biomass is established；
(4) it determines breeding water body treating capacity, constructs fixed algae algae level ground system；
(5) breeding water body is introduced into fixed algae algae level ground system, run harmful in fixed algae algae level ground system removal breeding water body
Pollutant；
(6) sessile algae is gathered in, clears up fixed algae algae level ground system.
Further, sessile algae growth rate described in step (2) and the sessile algae biomass, sessile algae are sent out
The relationship for educating the time required for particular organisms amount is as follows:
Wherein: v is sessile algae growth rate；B is unit area sessile algae biomass；T is that sessile algae development is arrived
Time required for particular organisms amount.
Further, noxious pollutant removal rate described in step (3) and residence time, pollutional load and sessile algae
The relationship of biomass are as follows:
R=f(B)+f(C)+f(T)
Wherein, r is noxious pollutant removal rate；B is unit area sessile algae biomass；C is pollutional load；T is stagnant
Stay the time.
Further, the step (4) is in maximum sessile algae growth rate and maximum noxious pollutant removal efficiency
When, it determines the treating capacity of breeding water body, constructs fixed algae algae level ground system.
Further, step (6) is to determine algae removal frequency according to noxious pollutant removal efficiency, and cleaning is fixed
Algae algae level ground system.
To achieve the above object, fixed algae algae level ground provided by the invention system, according to maximum sessile algae growth rate
With maximum noxious pollutant removal efficiency, determine that the treating capacity of breeding water body is built-up.
Further, the fixed algae algae level ground system, including ontology, water inlet, water outlet and adhesive substrate, wherein
The side of the ontology is separately positioned in the water inlet and water outlet；The adhesive substrate is placed in the bottom of the ontology.
Further, the adhesive substrate is the nylon gauze of 2nm.
The method and system of noxious pollutant, are given birth to by application in fixed algae algae level ground system removal breeding water body of the invention
State engineering technology cultivates sessile algae, passes through algae using different hydraulic parameters (breeding water body residence time, depth of water etc.)
Class growth metabolism removes the noxious pollutants such as ammonia nitrogen, heavy metal, environmental hormone and antibiotic in water body.
The present invention is the fixed algae algae level ground culture systems drained aquaculture system Jing Guo special designing, in natural conditions
Under turn out sessile algae, algae is used as driving force by photosynthesis, absorbs the hazardous contaminant in water body, increase water
In dissolved oxygen, reduce water body organic matter and heavy metal content, reach purifying water body, alleviate the trend of water eutrophication,
Improve culture environment of aquatic products.
The method and system of noxious pollutant, have following excellent in fixed algae algae level ground system removal breeding water body of the invention
Point and good effect:
(1) technology is compared with traditional water treatment technology, and operating procedure is simple, and operating cost is low, environmental compatible
Property is good；
(2) algal populations of water purification effect are played by local population composing, invasive species will not be introduced, it is original not deposit influence
The risk of ecological environment；
(3) green energy resource --- the Driven by Solar Energy guaranteed by ecological engineering technology；
(4) photosynthesis of algae while removing noxious pollutant, increases the dissolved oxygen in water, improves water body environment；
(5) modularized design, can be according to water correction needs, flexible Application to different aquaculture regions；
(6) noxious pollutant removes efficiency and can be easy to assess by biological yield and the direct quantitative analysis of its chemical component；
(7) algae output can be with as valuable water purification byproduct (biodiesel, active material, algae grease etc.)
Push green economy.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, and with it is of the invention
Embodiment together, is used to explain the present invention, and is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram that fixed algae algae level ground system according to the present invention removes noxious pollutant in breeding water body；
Fig. 2 is fixed algae algae level ground according to the present invention system schematic.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The present invention designs ammonia nitrogen, heavy metal, environment in a kind of artificial fixed algae algae level ground purification system removal breeding water body and swashs
The technology of the hazardous contaminants such as element and antibiotic.It is purified by the sessile algae of breeding water body on fixed algae algae level ground and is
It is bred in system required growing environment (residence time, depth of water etc.), algae maximum growth rate is kept, to remove aquaculture
The noxious pollutants such as superfluous ammonia nitrogen and heavy metal in water body reach improvement culture environment of aquatic products, improve aquatic product quality,
Ensure fish quality from source.
Fig. 1 is the method flow diagram that fixed algae algae level ground system according to the present invention removes noxious pollutant in breeding water body,
The following steps are included:
Firstly, step 101, extracts sessile algae from natural water, the sessile algae biomass in natural water is determined,
Sessile algae is cultivated, determines sessile algae development to the time required for particular organisms amount.
In the present invention, long 3.5m, the artificial fixed algae algae level ground purification system culture apparatus conduct of wide 0.3m, high 0.2m are designed
Culture apparatus makees tractive force with water pump and natural water is introduced culture apparatus, circulated, and the residence time 24 hours, with
Guarantee that culture water quality keeps natural water.Water temperature and temperature are recorded, the skills such as different intensities of illumination, residence time and the depth of water are designed
Art parameter, observation different parameters combination, culture systems algae development to time required for particular organisms amount.
Step 102, it is developed according to sessile algae biomass, the sessile algae in natural water to required for particular organisms amount
Time, obtain the growth rate of sessile algae.The technologies such as the maximum light intensity of growth rate, residence time and water depth are joined
Number, as best parameter group.
In the present invention, sessile algae growth rate is developed with unit area sessile algae biomass, sessile algae to specific
Relationship such as following formula between time required for biomass:
Wherein:
V: sessile algae growth rate (g/(m2d));
B: unit area sessile algae biomass (g/m2);
T: sessile algae development to time (d) required for particular organisms amount.
Step 103, the relationship of noxious pollutant removal efficiency and residence time, pollutional load and biomass is established, is moved
State fits the relationship of three variables and noxious pollutant removal efficiency.
(1) removal rate --- residence time (T) corresponding relationship:
R=f(T)
(2) removal rate --- pollutional load (C) corresponding relationship:
R=f(C)
(3) removal rate --- fixed algae biomass (B) corresponding relationship:
R=f(B)
(4) removal rate --- residence time, noxious pollutant load and fixed algae biomass corresponding relationship:
R=f(B)+f(C)+f(T).
Step 104, according to above-mentioned sessile algae growth rate and noxious pollutant removal efficiency, maximum sessile algae is determined
Growth rate and maximum noxious pollutant removal efficiency, and determine the treating capacity of breeding water body.
Step 105, according to above-mentioned steps 102, step 103, fixed algae algae level ground system is constructed, and carries out actual installation.One
As treating capacity should design treatment system handle load 80% or more, but no more than Design cooling load 120%.Consider to pass through simultaneously
Pollutant burden and fish pond capacity in Ji condition and breeding water body.
Step 106, in fixed algae algae level ground system bottom, place the nylon gauze of 2nm, as adhesive substrate, naturally drainage or
It is that artificial drainage drains into aquaculture system to be processed in the system of fixed algae algae level ground, contaminated aquaculture system passes through
Noxious pollutant is removed after the system of fixed algae algae level ground and returns to raw water body.According to sessile algae growth rate, incubation time, biology
The relationship of the parameters such as amount, residence time and the depth of water designs the optimal culture parameters of fixed algae algae level ground system, it is ensured that sessile algae
Maximum growth rate and maximum removal efficiency.
Step 107, fixed algae algae level ground cleaned system (selecting algae to clear up frequency according to removal efficiency), according to harmful pollution
Object removal efficiency determines algae removal frequency.After general culture processing 20-30 days, halt system water inlet, measurement has for 24 hours at interval
Evil pollutants removal rate gathers in the algae in culture systems after removal efficiency decline, and harvested algae, which is concentrated, receives
It is spontaneously dried after collection, can be used as farmland fertilization, animal feed and as bio-fuel etc..
Step 108, according to the actual situation, circular flow step 106 and step 107.
Project implementation scheme of the present invention is by taking the fish pond of 10 mu of aquaculture as an example, fish pond mean depth 1m, water total volume 1
Ten thousand stere, sessile algae system long 200m, wide 1m, depth of water 0.3m, residence time calculate according to 12h, and fishpond water all recycles
Primary about 55d, cultivation phase can be replaced 3 times by about 180d or so, the entire phase breeding water body that cultivates is amounted to October in April-.
The sessile algae system that the present invention uses can design the shape of the system, according to breeding water body according to the actual situation
The time required to total volume, circulation primary, replace the volume that number determines system.Its water depth is selected to ensure that maximum fixation
Water depth when algal grown rate.
Fig. 2 is fixed algae algae level ground according to the present invention system schematic, as shown in Fig. 2, fixed algae algae level ground system of the invention
System, including ontology 201, water inlet 202, water outlet 203 and adhesive substrate 204, wherein
Ontology 201 is not limited to cuboid, can design body shape according to the actual conditions of farm；
It is respectively arranged with water inlet 202 and water outlet 203 in the side of ontology 201, nature drainage can be used or is manually drawn
The mode of stream drains into aquaculture system to be processed in system, and contaminant water returns to raw water body after passing through system.
In the bottom of ontology 201, the nylon gauze of 2nm is placed, makees adhesive substrate 204.
The method and system of noxious pollutant in fixed algae algae level ground system removal breeding water body of the invention, with aquaculture
Water body is culture medium, turns out sessile algae by circulating in artificial fixed algae purification system, cultivates 15d, unit
Area biomass about 75g/m2(dry weight), it is greater than foreign study reported values 30-56g/m2 (dry weight).Trentepohlia master in culture systems
Trentepohlia-sp. in having gram, Stigeoclonium-sp. LJ1, Stigeoclonium-sp. LJ2.The artificial fixed algae algae level ground system of simulation
To ammonia nitrogen removal efficiency, result of study shows that ammonia nitrogen eliminates 95% after being detained 12h, and tracer test is as a result, it has been found that addition
After 3h, in alginite15N content rises 2682% after rising 800%, 48h.It proves that the ammonia nitrogen in water body is absorbed by sessile algae, says
Bright sessile algae proliferative speed is fast, and growth cycle is short, can effectively remove the nitrogen in water body.
When carrying out research of the Taihu Lake planktonic organism to metallic arsenic, discovery algae imitates the absorption of heavy metal copper about 25-40%
Rate.
Those of ordinary skill in the art will appreciate that: the foregoing is only a preferred embodiment of the present invention, and does not have to
In the limitation present invention, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art
For, still can to foregoing embodiments record technical solution modify, or to part of technical characteristic into
Row equivalent replacement.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of method of noxious pollutant in fixation algae algae level ground system removal breeding water body, which is characterized in that including following step
It is rapid:
(1) development of culture sessile algae is obtained in natural water in sessile algae biomass and algae level ground culture apparatus to specific
Time required for biomass；
(2) light intensity, residence time and water depth when obtaining sessile algae growth rate, and recording maximum growth rate；
(3) sessile algae biology in noxious pollutant removal rate and residence time, pollutional load and algae level ground culture apparatus is established
The relationship of amount；
(4) it determines breeding water body treating capacity, constructs fixed algae algae level ground system；
(5) breeding water body is introduced into fixed algae algae level ground system, runs harmful pollution in fixed algae algae level ground system removal breeding water body
Object；
(6) sessile algae is gathered in, clears up fixed algae algae level ground system.
2. the method for noxious pollutant, feature in fixation algae algae level ground system removal breeding water body according to claim 1
It is, sessile algae biomass, sessile algae in sessile algae growth rate described in step (2) and algae level ground culture apparatus
The relationship for developing the time required for particular organisms amount is as follows:
Wherein: v is sessile algae growth rate；B is unit area algae level ground sessile algae biomass；T is that sessile algae development is arrived
Time required for particular organisms amount.
3. the method for noxious pollutant, feature in fixation algae algae level ground system removal breeding water body according to claim 1
It is, fixed algae in noxious pollutant removal rate described in step (3) and residence time, pollutional load and algae level ground culture apparatus
The relationship of class biomass are as follows:
R=f(B)+f(C)+f(T)
Wherein, r is noxious pollutant removal rate；B is unit area algae level ground sessile algae biomass；C is pollutional load；T is stagnant
Stay the time.
4. the method for noxious pollutant, feature in fixation algae algae level ground system removal breeding water body according to claim 1
It is, the step (4) is to determine breeding water body in maximum sessile algae growth rate and maximum noxious pollutant removal rate
Treating capacity, construct fixed algae algae level ground system.
5. the method for noxious pollutant, feature in fixation algae algae level ground system removal breeding water body according to claim 1
It is, the step (6) is to determine algae removal frequency according to noxious pollutant removal rate, clears up fixed algae algae level ground system.
6. the method for noxious pollutant, feature in fixation algae algae level ground system removal breeding water body according to claim 1
Be, the fixation algae include gram in one of Trentepohlia-sp., Stigeoclonium-sp. LJ1, Stigeoclonium-sp. LJ2
Or it is a variety of.
7. a kind of fixation algae algae level ground system, which is characterized in that fixation algae algae level ground system, using any one of claim 1-6
Noxious pollutant in the method removal breeding water body of noxious pollutant in the fixed algae algae level ground system removal breeding water body,
According to maximum sessile algae growth rate and maximum noxious pollutant removal rate, determine that the treating capacity of breeding water body is built-up.
8. fixation algae algae level ground according to claim 7 system, which is characterized in that fixation algae algae level ground system, including this
Body, water inlet, water outlet and adhesive substrate, wherein the water inlet and water outlet are separately positioned on the side of the ontology；
The adhesive substrate is placed in the bottom of the ontology.
9. fixation algae algae level ground according to claim 7 system, which is characterized in that the adhesive substrate is the nylon gauze of 2nm.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103553215A (en) * | 2013-11-06 | 2014-02-05 | 中国水产科学研究院渔业机械仪器研究所 | Device for removing inorganic salts in aquaculture water by using attached algae |
| CN204443674U (en) * | 2015-01-31 | 2015-07-08 | 宁波大学 | A kind of circulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8920810B2 (en) * | 2009-11-30 | 2014-12-30 | Hydromentia, Inc. | Algal harvesting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553215A (en) * | 2013-11-06 | 2014-02-05 | 中国水产科学研究院渔业机械仪器研究所 | Device for removing inorganic salts in aquaculture water by using attached algae |
| CN204443674U (en) * | 2015-01-31 | 2015-07-08 | 宁波大学 | A kind of circulation |
Non-Patent Citations (1)
| Title |
|---|
| 应用优化藻坪技术调控富营养化景观水体冬季氮磷研究;薛铖;《中国优秀硕士学位论文全文数据库 工程科技I辑》;20160215(第2期);第47-60页 * |
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