CN101209879A - Method for filtering organic waste matter in cultivation sea water by marine sponge - Google Patents
Method for filtering organic waste matter in cultivation sea water by marine sponge Download PDFInfo
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- CN101209879A CN101209879A CNA2006101558148A CN200610155814A CN101209879A CN 101209879 A CN101209879 A CN 101209879A CN A2006101558148 A CNA2006101558148 A CN A2006101558148A CN 200610155814 A CN200610155814 A CN 200610155814A CN 101209879 A CN101209879 A CN 101209879A
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Abstract
The invention relates to a method for purifying mariculture biological breeding wastewater and polluted breeding seawater; the invention is a method which makes use of the characteristics that the benthic filter-feeding invertebrate animal of sponge can eat and filter the organic matters in water so as to filter out organic matter waste in breeding seawater. Sponge is collected in seawater of intertidal zone and cultured temporarily in natural seawater; the sponge is put into polluted breeding seawater or mariculture biological breeding wastewater to eat and filter organic matter in the water, thereby reducing organic matter produced during the breeding process, purifying breeding water, improving the quality of breeding water and being conducive to the growth of animals; meanwhile, the biomass of sponge is increased. The invention can not only be applied to purifying water during the breeding process of the ocean economic creatures so as to solve the problem of self pollution, but also be applied to purifying breeding wastewater so as to solve the problem of environmental protection, thereby the invention has wide application and can bring great economic benefit and social benefit.
Description
Technical field
The present invention relates to the reparation and the improvement technology of contaminated briny environment, is a kind of characteristics of utilizing ocean zoobenthos filter-feeding, purifies the method for contaminated breeding seawater or halobiontic cultivation water environment.
Background technology
China is mariculture big country.The nearly more than ten years,, culture self-pollution problem (organic matter that is caused by the movement and the residual bait of cultivated animals pollutes) and also become increasingly conspicuous along with the scale and the intensification degree of culturing improve constantly.Make the water quality deterioration of aquaculture water, and near the marine site polluting.Ecotope bears ever-increasing pressure.
The pollution problem that the solution sea farming brings is very urgent.Because the extensive and big scale characteristics of sea farming still lack the ideal technological method so far.Removing method organic in the aquaculture wastewater at present is mainly: regularly remove contamination to industrialized culture (1).Though this method has certain effect, need great amount of manpower and material resources; ) (2) culture natural sea-water, do not have terms of settlement at present, and continue to culture 5-10, organic matter deposition forms the mashed end in the seabed, causes yielding this breed marine site.
The technology of utilizing sponge to purify water can effectively solve the self-pollution problem of culturing.Sponge is the many cells filter feeder of dwelling at a kind of end, and effectively organic pollutent increases sponge self biomass as food in the detention seawater, improves cultivation water simultaneously, is beneficial to the growth of aquaculture organism.
Summary of the invention
The object of the invention provide a kind of effectively, the biological treating method of the aquaculture wastewater of the sea farming biology of economy, environmental protection.
For achieving the above object, the technical solution used in the present invention is:
The method of organic waste matter sponges in the marine site, tideland in a kind of sponge filtering breeding seawater, supports temporarily in natural sea-water earlier; Then sponge is put in contaminated breeding seawater or the halobiontic cultivation water environment, the organic matter in the sponge filter drinking water body, thus polluted-water is purified.
The environment water that sponge is supported temporarily is a natural sea-water, adds bait every day; About the continuous temporarily foster 2 days time; Sponge is supported water temperature 10-23 ℃ temporarily; During sponge was supported temporarily, water body need charge into air; The optimal temperature that sponge purifies water is 13-23 ℃; The inoculum density of sponge in water body is 1.5 ‰-8 ‰ grams per liter seawater; The existing way of sponge in water body is for being placed on the bottom.
The present invention compared with prior art has following advantage:
1. economy, safety, environmental protection.The present invention is dwelt in the aquaculture wastewater of filter-feeding invertebrates sponge filtering sea aquaculture organism organic waste matter as food the end of with, reduce the organic matter (residual bait and cultivated animals movement) that produces in the breeding process, the purifying contaminated aquaculture water, improve the aquaculture water quality, be converted into sponge self biomass.Be beneficial to the health of aquaculture organism and increase output.
2. continue to purify, effective.Organic matter in the aquaculture wastewater (movement of main source cultivated animals and residual bait) constantly enters aquaculture water, sponge can the continuous and effective filter eat organic, improve the water quality of aquaculture water, be beneficial to the growth of cultivated animals, and increase sponge (important medicine source biology) self biomass.
3. applied range.The present invention both can be used for culturing the purifying treatment of blowdown water body, solved problem of environmental pollution; Can be used for the purification of water surrounding in the marine economy biological cultivation process again, solve and culture the self-pollution problem, be with a wide range of applications; And will produce very big economic benefit and social benefit.
4. technology is simple.Program of the present invention is simple, and is easy to operate, is suitable for amplifying using.
In a word, the inventive method be a kind of effectively, the method for the purification mariculture sewage of economy, environmental protection, have wide application prospect, and will produce very big economic benefit and social benefit.
Description of drawings
Fig. 1 is a principle schematic of the present invention;
Fig. 2 sees figure for technical process of the present invention.
Embodiment
Below by specific embodiment method of the present invention and result are described, the medicine that uses in the effect detection of the present invention is business-like reagent.
Embodiment 1
Describe the implementation process of the technology of the present invention in detail below in conjunction with attached Fig. 1 and 2.
1, sponges in the marine site, tideland, after the natural sea-water flushing, put into insulation can, be transported to temporarily rapidly and increase soil fertility a little with refrigeration facility.
2, in the side of increasing soil fertility temporarily, with sand filtration seawater flushing sponge three times, sponge block is put in the 200L aquarium that flow natural sea-water and inflation are housed, supported 2-3 days temporarily at 10-23 ℃; Temporarily foster density 0.5-3 ‰ (spongy biological amount-g/ seawater volume-L).Day quantity of exchanged water: 1-4 times of storage pond, holding pond volume.
3, support after 2-3 days temporarily, the ratio of sponge according to 1.5 ‰-8 ‰ (w/v) is inoculated in aquaculture water or the sewer, regularly detect organic change in concentration in the seawater, determine to remove organic effect.
4, the spongy biological amount changes when a lot, needs to keep sponge inoculative proportion basicly stable in water body.
5, organic concentration detection method in the seawater: use total organic carbon analyzer [Total OrganicCarbon Analyzer (TOC-V
CPH/CPN, SHIMADZU, Japan)] detect the total organic carbon (TOC) in the seawater, represent in the seawater organic.
6, organic effect is represented with purification rate in the sponge removing seawater.Sponge is filtered organic (TOC) concentration in the water body (treatment group), is purified rate with the corresponding organic matter of the water body of not putting into sponge (control group) (TOC) concentration ratio:
7, the sponge removing organic matter (TOC) that cultured fishes discharged is represented with clearance rate.The organic matter (TOC) that cultured fishes discharge deducts by behind the organic matter of sponge filtering (TOC), and the organic matter (TOC) with cultured fishes release compares again.Obtain clearance rate:
Embodiment 2
Sponge is removed effect organic in the holothruian cultures waste water:
In natural sterilization seawater, add and culture sea cucumber bait, simulation holothruian cultures waste water.Remove the effect of organic (TOC) in the holothruian cultures waste water in order to investigate film sponge in great numbers, design 5 independent experiments add different concns in the sterilization natural sea-water organic matter (sea cucumber bait), its starting point concentration be respectively 100mg/L, 150mg/L, 200mg/L, 300mg/L, 400mg/L.For the experiment of 100mg/L organic matter, the natural sea-water 500mL with 0.22 μ m membrane filtration pours into respectively in 4 1L Erlenmeyer flasks in advance, adds the 50mg sea cucumber bait again, then at 110 ℃ of sterilization 15min, obtains containing the sterilization natural sea-water of 100mg/L organic matter.Spend the night after the cooling, put into the sponge block of about 2.5g therein in 3 Erlenmeyer flasks respectively, other 1 Erlenmeyer flask of not putting sponge in contrast.4 Erlenmeyer flasks are placed on 100 rev/mins the shaking table.Other concentration is tested, and adds the sea cucumber bait of 75mg, 100mg, 150mg and 200mg respectively, and the experiment of all the other conditions and 100mg/L organic matter is identical.For all 5 experiments, took out 3mL seawater sample (3 parallel sample) with 24 hours from each Erlenmeyer flask at 0 hour, to 16mL, use total organic carbon (TOC) concentration in the total organic carbon analyzer analytic sample with distilled water diluting then.In the forward and backward sponge of weighing of experiment, and be put in the sponge after the experiment in the 14-L aquarium foster temporarily.The purification rate of removing organic (TOC) in the holothruian cultures waste water in 24 hours sponges sees Table 1.
Table 1: sponge was removed the purification rate of organic (TOC) in the holothruian cultures waste water at 24 hours
In 5 starting point concentration experiments, sponge was removed organic (TOC) in the holothruian cultures waste water at 24 hours average purification rate is respectively: 41.0% (100mg/L), 55.1% (150mg/L), 57.8% (200mg/L), 60.7% (300mg/L) and 51.0% (400mg/L).The result shows that sponge can effectively be removed organic (TOC) in the holothruian cultures waste water.
Embodiment 3
Be total under the cultivating condition with globe fish, the sponge continuous effective is removed organic (TOC) in the seawater:
Remove the ability of TOC in the actual aquaculture water for testing sponge, designed the experiment of the common cultivation of sponge and globe fish.60L sand filtration seawater (SFNSW) is housed not in the 80L aquarium of open close gas at 2, puts into 10 globe fishes (every about 170-210g of fish) respectively.One of them aquarium is put into and is amounted to about 155g sponge block, and another aquarium of not putting sponge in contrast.Experimental session at 15 days changed whole sand filtration seawater in per 24 hours.Experimental session is given globe fish feeding raw fish three times (at the 3rd, 8 and 13 day).First day, second day, the 5th day, the tenth day and the 15 day, in 0 with got 15mL seawater sample (5 parallel samples) in 24 hours.With the total organic carbon in the total organic carbon analyzer analytic sample (TOC) concentration.Globe fish is continued to culture in the experiment back, and is put in sponge in the 14-L aquarium foster temporarily.Sponge was removed the purification rate of cultivating organic (TOC) in the seawater altogether at 24 hours and sees Table 2.Table 2: be total under the cultivating condition with globe fish, sponge was removed the purification rate of organic (TOC) in the seawater at 24 hours
At first day, second day, the 5th day, the tenth day and the 15 day, sponge was removed being respectively of organic matter (TOC) that globe fish discharges at 24 hours: 72.5% (first day), 84.1% (second day), 61.9% (the 5th day), 63.7% (the tenth day) and 51.7% (the 15 day).The result shows, is total under the cultivating condition with globe fish, and sponge can effectively be removed organic (TOC) in the seawater.
Claims (8)
1. the method for organic waste matter in the sponge filtering breeding seawater is characterized in that: sponge in the marine site, tideland, support temporarily in natural sea-water earlier; Then sponge is put in contaminated breeding seawater or the halobiontic cultivation water environment, the organic matter in the sponge filter drinking water body, thus polluted-water is purified.
2. in accordance with the method for claim 1, it is characterized in that: the environment water that sponge is supported temporarily is a natural sea-water, adds bait every day.
3. it is characterized in that in accordance with the method for claim 1: sponge is supported about 2 days time temporarily.
4. it is characterized in that in accordance with the method for claim 1: sponge is supported water temperature 10-23 ℃ temporarily.
5. in accordance with the method for claim 1, it is characterized in that: during sponge was supported temporarily, water body need charge into air.
6. it is characterized in that in accordance with the method for claim 1: the optimal temperature that sponge purifies water is 13-23 ℃.
7. it is characterized in that in accordance with the method for claim 1: the inoculum density of sponge in water body is 1.5 ‰-8 ‰ grams per liter seawater.
8. it is characterized in that in accordance with the method for claim 1: the existing way of sponge in water body is for being placed on the bottom.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101558148A CN101209879A (en) | 2006-12-29 | 2006-12-29 | Method for filtering organic waste matter in cultivation sea water by marine sponge |
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| CNA2006101558148A CN101209879A (en) | 2006-12-29 | 2006-12-29 | Method for filtering organic waste matter in cultivation sea water by marine sponge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102524158A (en) * | 2011-12-06 | 2012-07-04 | 大连海洋大学 | Sponge biological filter element for aquaculture filter |
| CN105165701A (en) * | 2015-09-27 | 2015-12-23 | 中国海洋大学 | Mariculture device capable of adjusting seawater acidity |
-
2006
- 2006-12-29 CN CNA2006101558148A patent/CN101209879A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102524158A (en) * | 2011-12-06 | 2012-07-04 | 大连海洋大学 | Sponge biological filter element for aquaculture filter |
| CN102524158B (en) * | 2011-12-06 | 2014-07-23 | 大连海洋大学 | Sponge biological filter element for aquaculture filter |
| CN105165701A (en) * | 2015-09-27 | 2015-12-23 | 中国海洋大学 | Mariculture device capable of adjusting seawater acidity |
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