CN102863082B - Method for purifying natural seawater by utilizing blood clam and special purification pond system - Google Patents
Method for purifying natural seawater by utilizing blood clam and special purification pond system Download PDFInfo
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- CN102863082B CN102863082B CN201110193197.1A CN201110193197A CN102863082B CN 102863082 B CN102863082 B CN 102863082B CN 201110193197 A CN201110193197 A CN 201110193197A CN 102863082 B CN102863082 B CN 102863082B
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- 239000013535 sea water Substances 0.000 title claims abstract description 66
- 238000000746 purification Methods 0.000 title claims abstract description 51
- 241001339782 Scapharca broughtonii Species 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 230000001954 sterilising effect Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 230000000384 rearing effect Effects 0.000 claims description 10
- 235000015170 shellfish Nutrition 0.000 claims description 8
- 230000003203 everyday effect Effects 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 241000238557 Decapoda Species 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims description 2
- 238000012258 culturing Methods 0.000 claims description 2
- 230000001418 larval effect Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009395 breeding Methods 0.000 abstract description 2
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 238000010899 nucleation Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 description 18
- 241000196324 Embryophyta Species 0.000 description 10
- 238000001914 filtration Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 239000004576 sand Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 8
- 230000002000 scavenging effect Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000238553 Litopenaeus vannamei Species 0.000 description 2
- 241001533364 Portunus trituberculatus Species 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 241000628923 Anadara sativa Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 241000133262 Nauplius Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 210000000514 hepatopancreas Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to a method for purifying the natural seawater by utilizing blood clam and a special purification pond system. The natural seawater enters the purification pond system after being filtered by a bolting-silk screen with at least 200 meshes, the seawater after being purified by the blood clam is inputted to a biological seedling culture cultivation pond to use after being filtered by a bolting-silk screen with at least 300 meshes, the special purification pond system comprises a plurality of water purification ponds and a water collecting pond, wherein the water purification ponds are distributed in a circumferential way, every two adjacent water purification ponds are communicated with each other through a pipeline, the water collecting pond is arranged on the central position of the water purification ponds, the water inlet end of each pipeline is provided with a control valve, the water outlet end of each pipeline is provided with outwards water flow guide pipe, the natural seawater sequentially enters several other purification tanks through the pipeline after being inputted into one purification pond through a water inlet main pipe, and the purified seawater is outputted from the last purification pond. The method and the special purification pond system are simple to operate, environment-friendly and good in purification effect, not only can guarantee the normal growth of the blood clam, but also can discharge the water continuously, and the purified seawater can be directly used as the seeding cultivation water and larva breeding water.
Description
Technical field
The invention belongs to Purification biotechnology field, relate to a kind of method and the special purification cell system thereof that utilize blood clam purification nature seawater, specifically one utilizes blood clam to remove protozoon, plant plankton and suspended particle thereof in seawater, to reach the method for seawater cleaning.
Background technology
Containing a large amount of protozoon, plant plankton and organic and inorganic suspended particle in natural sea-water, in halobiontic artificial breeding process particularly shellfish artificial seedling raising process, mostly have very large harm, remove these protozoons, plant plankton and suspended particle is the work must done before marine shellfish seed rearing as far as possible.Modal minimizing technology comprises physical treatment and chemical treatment, physical treatment comprises fence, screen cloth, precipitation, filtration (the most common sand filter), air supporting etc., these methods can remove most plant plankton and suspended particle, but the small protozoon some diameters being less than to 1-2 micron does not then have suitable physics mode with some superminiature marine microalgaes; Chemical treatment comprises the various chemical agent of use and kills protozoon or impel plant plankton and suspended particle coagulation, precipitation, redox etc.; but the water body often after chemical treatment still needs again to be processed by physical treatment mode; and still remained in water body by the protozoon corpse that chemical disinfection process is killed, still may produce harm to breed seawater offspring.Although there is a large amount of seawater quality biological purification method now, as " utilize the method for microbially decontaminate aquaculture water " in Chinese patent literature database (CN200310107114), " preparation of dotey bacterium and repair the method for shellfish culture environment " (CN200610027189.9) etc., but be all utilize various microorganism to purify harmful chemical component in water body and harmful bacteria, to plant plankton and protozoon then helpless.
Blood clam (Scapharca subcrenata) is the mussels marine organisms that a class lives in Marine shoal, it is the Important Economic shellfish culture kind of China east coastal waters, its filter food system is very flourishing, there is high filtration rate, breathe by means of drainage, can by graininess inorganic substance various in water body, plant plankton, organic debris and protozoon are by filtering, be retained in the gill and digestive gland and also likely gather in liver gland, drainage capacity can reach 5 ~ 6L/g.h, thus high-level efficiency can remove protozoon in nature seawater, plant plankton and suspended particle thereof.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of method utilizing blood clam to purify nature seawater, the method is simple to operate, environmental protection, not only can remove various graininess inorganic substance, plant plankton, organic debris in water body, various protozoon in water body can also be removed, still can ensure the normal growth of blood clam simultaneously.
Second technical problem to be solved by this invention is to provide a kind of special purification cell system utilizing blood clam to purify nature seawater.
The present invention solves the technical scheme that above-mentioned first technical problem adopt: a kind of method utilizing blood clam to purify nature seawater, it is characterized in that: filtered by least 200 mesh sieve tulles by nature seawater and enter treating pond system, the seawater after blood clam purification can be inputted biological seed rearing culturing pool after being filtered by least 300 mesh sieve tulles and use.
As improvement, described blood clam needed through cleaning and sterilizing process before putting into treating pond system, process is: get blood clam 5 ~ 10kg mono-bag and be divided in nylon net bag, the removing silt of appearance, the foreign material of adhesion are rinsed with the seawater current after the purification of high-pressure hydraulic pump high-velocity jet, 5 ~ 15min is soaked again with 15 ~ 20ppm potassium permanganate, constantly stir blood clam in immersion process, after finally clean with the seawater flushing after purification, put into treating pond.
As improvement, described treating pond system water inlet and before putting blood clam, every 10m
2place 3 ~ 4 inflating air stones, with the chlorinated lime containing available chlorine at least 30% according to 1kg/10m
2the amount full pond of sterilization and all pipelines.
Improve again, described treating pond system is comprised several and circumferentially distributes and adjacent two water purifying tanks communicated by pipeline with certain altitude, the feed-water end of each pipeline arranges by-pass valve control, the water side of every pipeline arranges current deflecting pipe laterally, after nature seawater inputs one of them treating pond by water inlet manifold, enter other several treating ponds in certain direction successively by pipeline, the seawater after purification exports from last treating pond, wherein during primary purification, first nature seawater is inputted from first treating pond, enter other several treating ponds in certain direction successively until be filled, last treating pond is drained after placing 24h, start to first treating pond continuum micromeehanics simultaneously, after last treating pond is full, open last treating pond valve discharge water, second treating pond water inlet is changed into after three days, simultaneously to first treating pond and the process of blood clam cleaning and sterilizing thereof, then water is changed into and releasing from first treating pond, after this incessantly seawater is inputted from next treating pond in certain direction every day, release from the treating pond after cleaning and sterilizing.
Further improvement, described blood clam is selected 0.5 ~ 1cm size, was less than for 1 age, is grown blood clam rapidly, and the usage quantity of described blood clam is determined according to water consumption and water temperature.General 20 tons/hour need single treating pond area of configuration to be 80m with water
2, at 20 DEG C of water consumption 20 ton hours per hour, every pond blood clam injected volume is about 50kg, allows the surplus of ± 20%.
Finally, described biological seed rearing cultivation comprises the larval culture cultivation of the seed rearing of intertidal shellfish, shrimp, crab or fish.
The present invention solves the technical scheme that above-mentioned second technical problem adopt: a kind of special purification cell system utilizing blood clam to purify nature seawater, is characterized in that comprising:
Some treating ponds, circumferentially distribution and adjacent two are communicated by the pipeline of certain altitude, and the feed-water end of each pipeline arranges by-pass valve control, and the water side of every pipeline arranges current deflecting pipe laterally; Each treating pond is provided with to be in charge of and rising pipe into water, water inlet be in charge of with rising pipe on be respectively equipped with valve, make single can only the water inlet for the treatment of pond and water outlet;
The water collecting basin of one water outlet, is located at the mid-way for the treatment of pond, is connected with the rising pipe for the treatment of pond, is also connected with total rising pipe;
One water inlet manifold, its one end is connected with water inlet water pump, and the other end is in charge of with water inlet and is connected.
As improvement, the tip position being located at treating pond is in charge of in described water inlet, and intaking, the water outlet be in charge of is provided with filter screen; The bottom for the treatment of pond is located at by described rising pipe, is connected with the water outlet for the treatment of pond bottom centre position, and goes out to be provided with filtering net at water outlet.
Preferably, described treating pond is four, is uniformly distributed in Tian-shaped, and the floorage for the treatment of pond is 75 ~ 85m
2, the height of adjacent two treating pond associated conduit is 0.9 ~ 1.1m.
Improve, the bottom of described water collecting basin is provided with a water pump exported by seawater after purification again.
Finally, the bottom of described water collecting basin is provided with a water pump exported by seawater after purification, is connected with total rising pipe.The bottom of described treating pond is also provided with blow-off pipe, is connected with total rising pipe.
Compared with prior art, the invention has the advantages that:
1) good purification: can protozoon in disposable removal water body, plant plankton and suspended particle.In the common methods of existing water body purification, husky filter can only retain suspended particle, and the protozoon small to some is helpless; Biological corpse after chemicals process still can remain in water body; And present invention completely avoids above deficiency.
2) can continuous water supply be realized: circle-shaped treating pond system can ensure the continuity of whole process water outlet, avoid other water treatment method need to stop water outlet deficiency when cleaning device.
3) simple to operate, the environmental protection of whole scavenging process: and due to the decontamination of biological used be economic cultivated shellfish, whole scavenging process can keep the normal growth of shellfish, is carrying out creating economic benefit in scavenging process to seawater simultaneously.
Accompanying drawing explanation
The structural plan figure of the special purification cell system in Fig. 1 embodiment of the present invention.
The sectional view of single treating pond in special purification cell system in Fig. 2 embodiment of the present invention.
The sectional view of water collecting basin in special purification cell system in Fig. 3 embodiment of the present invention.
Wherein, 1-water inlet manifold, 2-water inlet is in charge of, and 3-is connected pipeline (feed-water end arranges by-pass valve control, and water side arranges guide pipe) between treating pond between two, the rising pipe that 4-is connected with water collecting basin, 5-water pump, the total rising pipe of 6-, 7-200 mesh sieve thin,tough silk filtering net, 8-300 mesh sieve thin,tough silk filtering net, 9-treating pond blow-off pipe.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1, a kind of special purification cell system utilizing blood clam to purify nature seawater, comprise treating pond, water collecting basin, water inlet manifold 1 and total rising pipe 6, described treating pond is made up of four equally distributed cement pits of Tian-shaped, be respectively A treating pond, B treating pond, C treating pond and D treating pond, need single treating pond area of configuration to be 80m according to 20 tons/hour with water
2, adjacent two treating ponds are connected by the PVC pipeline 3 of 1m height at the bottom of distance pond, and the feed-water end of every pipeline 3 arranges by-pass valve control, and the water side of every pipeline 3 arranges current deflecting pipe laterally; Each treating pond is provided with is in charge of 2 and rising pipe 4 into water, is in charge of on 2 and rising pipe 4 is respectively equipped with valve in water inlet, and single can only be intake and water outlet by a treating pond; The centre position for the treatment of pond is located at by described water collecting basin, and its underpart is provided with opening and is connected with the rising pipe 4 for the treatment of pond, and the bottom of described water collecting basin is provided with a water pump 5 exported by seawater after purification, and water pump 5 is connected with total rising pipe 6; Described water inlet manifold adopts one to enter four to go out device, and its one end is connected with water inlet water pump, and the other end is provided with four outlets, and each outlet correspondence treating pond, is in charge of 2 with water inlet and is connected, and arranges valve respectively and can control single and intake and only enter a treating pond; The tip position that 2 are located at treating pond is in charge of in described water inlet, and the water side being in charge of 2 in water inlet is provided with 200 mesh sieve thin,tough silk filtering nets 7; The bottom for the treatment of pond is located at by described rising pipe 4, is connected with the water outlet for the treatment of pond bottom centre position, and is provided with 300 mesh sieve thin,tough silk filtering nets 8 at water outlet, and the bottom of described treating pond is also provided with blow-off pipe 9.
Below by object lesson, a kind of method utilizing blood clam to purify nature seawater is described in detail:
Embodiment 1
Treating pond water inlet and blood clam before, every 10m
2place 3 ~ 4 inflating air stones, with the chlorinated lime containing available chlorine 30% according to 1kg/10m
2the amount full pond of sterilization and all pipelines.
Get 0.5 ~ 1cm size, be less than for 1 age, grow blood clam 200kg rapidly, 5 ~ 10kg mono-bag is divided in nylon net bag, rinse with the seawater current after the purification of high-pressure hydraulic pump high-velocity jet, after the silt of blood clam appearance, the foreign material of adhesion are rinsed well completely, 10min is soaked with 15 ~ 20ppm potassium permanganate, constantly blood clam is stirred in immersion process, after the filtered seawater flushing of rear use 300 order is clean, every 80m
2the treating pond of floorage evenly drops into 50kg blood clam.
As shown in Figure 1, open the water inlet passing into A treating pond and be in charge of 2 valves, closedown passes into B, C, 2 valves are in charge of in the water inlet of D treating pond, nature seawater is by water inlet manifold 1, A pond is injected by 200 mesh sieve thin,tough silk filtering nets 7 (as shown in Figure 2) with the flow of 20 tons/hour, close the valve of connected pipeline 3 between A/D treating pond, open A/B, B/C, the valve of connected pipeline 3 between C/D treating pond, when A treating pond water overflow across be connected pipeline 3 apart from the A/B of 1m height at the bottom of pond time, A treating pond water will flow into B treating pond, after B treating pond water height is more than 1m, B treating pond water flows into C treating pond, after C treating pond water height is more than 1m, C treating pond water flows into D treating pond, when D treating pond water completely after stop water inlet.
The valve of connected pipeline 2 between C/D treating pond is closed after 24h, D treating pond water is drained the valve of rear closedown blow-off pipe 9 by the valve opening water purifying tank blow-off pipe 9, open the valve of connected pipeline 2 between C/D treating pond, put into C treating pond water, start with water inlet water pump to A treating pond continuum micromeehanics simultaneously, after D treating pond water is full, opens rising pipe 4 valve between D treating pond and water collecting basin, after seawater is filtered by 300 mesh sieve thin,tough silk filtering nets 8 after purification, exports continuously with the water pump 5 be installed in water collecting basin.
Open the water inlet passing into B treating pond after 3 days and be in charge of 2 valves, close the water inlet passing into A treating pond and be in charge of 2 valves, nature seawater changes into and inputting from B treating pond, A treating pond and blood clam are wherein cleaned, sterilization, still the seawater after purification is exported from D treating pond in cleaning and sterilizing process, after A treating pond and blood clam cleaning and sterilizing thereof, close rising pipe 4 valve between D treating pond and water collecting basin, open the valve of rising pipe 4 between A treating pond and water collecting basin, after purifying with the water pump be installed in water collecting basin, seawater exports, now nature seawater from B treating pond through passing counterclockwise through C, flow out from A treating pond after D treating pond, after this clean, sterilize the treating pond and blood clam thereof that input nature seawater according to above step successively every day, nature seawater is then by counterclockwise inputting from next pond, releasing from the treating pond that just cleaning and sterilizing is crossed, thus cleaning and sterilizing every day pond can be ensured and the output of uninterrupted purifying sea water in the whole water stage, every day, carrying capacity reached 480 tons.
In order to evaluate decontamination effect improving, under water temperature 15-20 DEG C of amplitude of fluctuation, get the seawater after purification at random, the Casy-TT grain graininess analysis of accounts instrument produced with German CASY company within the scope of 3-50 μm to water body in grain count, average total particle number is less than 2.49 × 10
7, general effect is better than secondary sand filter effect (table 1) common in aquaculture.
Total number of particles (counts/mL) in seawater after differently purifying within the scope of showing 1:3-50 μm
Cultivate through the purification of month, 200kg blood clam is increased to 1549kg, and economic benefit is obvious simultaneously.
Seawater after purification is used for the mud blood clam young and cultivates, adopt identical type of rearing, compare (table 2) with sand filter seawater nursery effect, sand filter water spatfall rate spatfall rate (64.35 ± 6.74) %, spatfall rate (64.03 ± 3.27) % and the present invention purifies waste water, no significant difference, but the spatfall rate stability that the present invention purifies waste water is better than sand filter water.
Table 2: differently after purification, seawater carries out the adhesive rate of mud blood clam nursery
Embodiment 2
Nature seawater scavenging process is same with embodiment 1
Seawater after purification is used for the swimming crab young and cultivates, adopt identical management type of rearing, compare (table 3) with sand filter seawater nursery effect, average body long 1.0cm children crab is cultivated from zoea 1, sand filter water seedling rate (18.99 ± 2.93) %, and the present invention purifies waste water seedling rate (19.22 ± 2.43) %, seedling rate and the equal no significant difference of stability of emerging.
Table 3: differently after purification, seawater carries out the seedling rate of swimming crab nursery
Embodiment 3
Nature seawater scavenging process is same with embodiment 1
Seawater after purification is used for larvae of Penaeus vannamei and cultivates, adopt identical management type of rearing, compare (table 4) with sand filter seawater nursery effect, young shrimp 5 is cultivated from nauplius larva, sand filter water seedling rate (32.13 ± 4.65) %, seedling rate (34.29 ± 3.88) % and the present invention purifies waste water, visible, the seedling rate that the present invention purifies waste water and stability all outline are better than sand filter water.
Table 4: differently after purification, seawater carries out the seedling rate of Penaeus vannamei nursery
Claims (3)
1. the method utilizing blood clam to purify nature seawater, it is characterized in that: filtered by least 200 mesh sieve tulles by nature seawater and enter treating pond system, the seawater after blood clam purification is inputted biological seed rearing culturing pool after being filtered by least 300 mesh sieve tulles and uses, wherein, described blood clam needed through cleaning and sterilizing process before putting into treating pond system, process is: get blood clam 5 ~ 10kg mono-bag and be divided in nylon net bag, the removing silt of appearance, the foreign material of adhesion are rinsed with the seawater current after purification, 5 ~ 15min is soaked again with 15 ~ 20ppm potassium permanganate, constantly stir blood clam in immersion process, after finally clean with the seawater flushing after purification, put into treating pond, described treating pond system water inlet and before putting blood clam, every 10m
2place 3 ~ 4 inflating air stones, with the chlorinated lime containing available chlorine at least 30% according to 1kg/10m
2the amount full pond of sterilization and all pipelines, described treating pond system is comprised several and circumferentially distributes and adjacent two water purifying tanks communicated by the pipeline of certain altitude, the feed-water end of each pipeline arranges by-pass valve control, the water side of every pipeline arranges current deflecting pipe laterally, after nature seawater inputs one of them treating pond by water inlet manifold, enter other several treating ponds in certain direction successively by pipeline, the seawater after purification exports from last treating pond, wherein during primary purification, first nature seawater is inputted from first treating pond, enter other several treating ponds in certain direction successively until be filled, last treating pond is drained after placing 24h, start to first treating pond continuum micromeehanics simultaneously, after last treating pond water is full, open last treating pond valve discharge water, second treating pond water inlet is changed into after three days, simultaneously to first treating pond and the process of blood clam cleaning and sterilizing thereof, then water is changed into and releasing from first treating pond, after this incessantly seawater is inputted from next treating pond in certain direction every day, release from the treating pond after cleaning and sterilizing.
2. method according to claim 1, is characterized in that described blood clam is selected 0.5 ~ 1cm size, is less than the blood clam in 1 age.
3. method according to claim 1 and 2, is characterized in that the cultivation of described biological seed rearing comprises the larval culture cultivation of the seed rearing of intertidal shellfish, shrimp, crab or fish.
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| CN201110193197.1A CN102863082B (en) | 2011-07-07 | 2011-07-07 | Method for purifying natural seawater by utilizing blood clam and special purification pond system |
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| CN113349116A (en) * | 2021-07-26 | 2021-09-07 | 集美大学 | Method for improving survival rate of purple sea urchin larvae |
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| 菊花心江蓠、毛蚶和微生物制剂对虾池环境净化作用的应用研究;牛化欣;《中国优秀硕士学位论文全文数据库》;20070313;第25页-第33页 * |
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Effective date of registration: 20210105 Address after: 352100 3rd floor, building 4, No.1 xiasu Road, feiluan village, feiluan Town, Jiaocheng District, Ningde City, Fujian Province Patentee after: Fujian Dalai Seedling Technology Co.,Ltd. Address before: Key Laboratory of Applied Marine Biotechnology, Ministry of education, Ningbo University, 818 Fenghua Road, Jiangbei District, Ningbo City, Zhejiang Province, 315211 Patentee before: Ningbo University |
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Effective date of registration: 20240828 Address after: 355100 No. 1-1, Zhongxin street, Potou village, Shajiang Town, Xiapu County, Ningde City, Fujian Province Patentee after: Xiapu Hengxun Dalai Marine Biotechnology Co.,Ltd. Country or region after: China Address before: 352100 3rd floor, building 4, No.1 xiasu Road, feiluan village, feiluan Town, Jiaocheng District, Ningde City, Fujian Province Patentee before: Fujian Dalai Seedling Technology Co.,Ltd. Country or region before: China |