CN101864232B - The application of new type algae-resisting coating and method for making and storehouse, improvement lake algae water - Google Patents
The application of new type algae-resisting coating and method for making and storehouse, improvement lake algae water Download PDFInfo
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- CN101864232B CN101864232B CN201010199785.1A CN201010199785A CN101864232B CN 101864232 B CN101864232 B CN 101864232B CN 201010199785 A CN201010199785 A CN 201010199785A CN 101864232 B CN101864232 B CN 101864232B
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention is a kind of new type algae-resisting coating, it is characterized in that: it is made up of the raw material of following weight percent, the resin compound 40-60% mixed by MEG resin and synthetic resins; Organic solvent 60-40%; Wherein: MEG resin accounts for the 20-80% of resin compound weight.The invention also discloses a kind of anti-algae net administered storehouse, lake algae water and pollute.New type algae-resisting coating of the present invention and anti-algae network technology is adopted to administer lake algal tufa efficient, durable, by a large amount of, multi-level experiments, emergent and prevention dual-purpose, at end silt grass planting, thus form large-area vegetation, be conducive to the restoration of the ecosystem in lake, reach the target for the treatment of both principal and secondary aspect of disease.
Description
Technical field
The present invention relates to a kind of coating, particularly a kind of new type algae-resisting coating, the invention still further relates to the preparation method of this kind of new type algae-resisting coating and administer the application of storehouse, lake algae water.
Background technology
Blue-green algae is distributed with in the lake in the whole world about 70%, blue-green algae can bring destructive harm to lake, since entering 21st century, global warming, ecotope is continuous worsening, and entering the nutritive substances such as the nitrogen of Hu Ku, phosphorus constantly increases, and Eutrophication Status aggravates, and then it is more and more frequent to cause water body algal tufa to break out, scale is increasing.According to science introduction, serious wawter bloom can cover the water surface, the chemosynthesis in water body and air is stoped to exchange, dissolved oxygen concentration in water is reduced rapidly, cause the death of hydrocoles and the ecological damage (view and stench) of surrounding enviroment, these impacts produce havoc to the political economy (as investment business, water industry, tourism) of surrounding cities again further.Meanwhile, algal tufa often makes the Algae toxins content severe overweight in water body, and target organ one liver of the infringement mankind, HUMAN HEALTH and drinking water safety in serious threat.
In order to remove algal tufa, numerous domestic and international experts has dropped into the effort of nearly half a century, have studied the way of various control algal tufa, as chemical method, Physical and biological process etc.At present, Physical mainly comprises the method such as machinery or artificial salvaging, clay flocculation and shading technology.Physical shows the most direct, and it directly removes the algae in water body, can not produce secondary pollution, but owing to incurring great expense, therefore the method can only be confined to the waters, local of small size pond or large water body.Chemical method uses maximum emergent algae-removing methods at present.Chemical process, except algae instant effect, can be carried out in waterhead area, water treatment plant, adopts this method to control the growth of algae in reservoir, lake in the state such as the U.S., Australia.Conventional chemical process has copper sulfate method, chlorine method, Chlorine Dioxide Method, potassium permanganate process, hydrogen peroxide and ozone etc.Make chemically can destroy frustule, make most of Algae toxins in cell infiltrate in water body, increase the background concentration of Algae toxins in water body.Biological process comprises microbial technique except algae, allelopathy algal control and fish control algae etc., and the method is simple, environmental protection, but the example of successful Application is not a lot.Because above various method all also exists such or such defect, for many years, people's a set of safe, long-acting, that cost is low, easy and simple to handle technology that always waits in expectation can realize.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, provides the new type algae-resisting coating that simple, easy to use, the anti-algae of a kind of raw material is effective.
The invention also discloses the preparation method of this new type algae-resisting coating and administering the application in the algae water of storehouse, lake.
Technical problem to be solved by this invention is realized by following technical scheme.The present invention is a kind of new type algae-resisting coating, is characterized in: it is made up of the raw material of following weight percent,
The resin compound 40-60% mixed by MEG resin and synthetic resins;
Organic solvent 60-40%;
Wherein: MEG resin accounts for the 20-80% of resin compound weight.
MEG resin of the present invention refers to: number of patent application is 200710026054.5, publication number is CN101168589, name is called the new type resin described in Chinese patent of " a kind of production technique of new type resin ", it is obtained through condensation reaction by propenal and ethyl vinyl ether, and its concrete method for making can see the record in the disclosure patent documentation.Now this resin is on sale in Lianyungang Yuanji Microorganism Research Institute.
MEG resin of the present invention adopts green renewable raw materials to make, it successfully breaks through the critical technological difficulties between mankind's polymer chemistry and life science, has the function of killing the microorganisms such as nearly all bacterium, mould, virus, protozoon, gemma and algae; Have nontoxic, do not cause the Toxicological Assessment of secondary pollution and the physicochemical property of excellence; Possess in the activity of varying environment, suitable adaptive; Wide spectrum, efficient, durable, safety are the base mateirals of environmentally friendly improvement microbial plague.
MEG resin of the present invention is through microorganism detection center, Guangdong Province, adopt international standards: ASTM D5589-97 (2002) (U.S.), detected result: anti-algae performance define the level 0 grade (anti-algae rate: 100%), entrust registration number: No. (2008) SP0267, the micro-inspection in Guangdong.
Organic solvent described in the present invention can be the mixed solvent of one or more compositions of benzene, alcohol, ester, ether or ketone conventional in prior art.The mixed solvent of one or more compositions of preferred dimethylbenzene, gasoline, ethanol, butanols, butyl ester or ethyl acetate.
Be below the preferred scheme of one of organic solvent in new type algae-resisting coating of the present invention: containing weight percent in described organic solvent is the dehydrated alcohol of 30-50%, all the other organic solvents are one or more mixed solvents formed of benzene, alcohol, ester, ether or ketone except dehydrated alcohol.
In new type algae-resisting coating of the present invention, described synthetic resins can for disclosed in prior art or commercially available any one synthetic resins, preferably: acrylic resin, silicone resin, ketone resin, resol or petroleum resin.
New type algae-resisting coating of the present invention can be prepared as follows.A preparation method for new type algae-resisting coating as described in above technical scheme, mixes MEG resin at normal temperatures with synthetic resins by described weight proportion, then adds organic solvent dissolution, stir, and controls viscosity to 30-100s, to obtain final product.
The algae water that new type algae-resisting coating of the present invention can be used for administering Hu Ku pollutes.In use, new type algae-resisting coating can be coated and paddle on base material, then be dropped in the algae pollution water body needing to administer.
The invention also discloses a kind of anti-algae net administered storehouse, lake algae water and pollute, be characterized in: it comprises the head rope, the head rope be coated with the new type algae-resisting coating of (also namely of the present invention) described in above technical scheme, form anti-algae coating.
The using method of the anti-algae net that storehouse, above-mentioned improvement lake algae water pollutes, can adopt following A, B or C method to use,
A: Emergency use: as water body frustule concentration > 107/L, is fixed on apart from water surface 10-30cm centimetre place by anti-algae net plane;
B: prevention uses: when algae lived in seclusion and became silted up the end of in winter, is layed on silt at the bottom of lake by anti-algae net plane;
C: restoration of the ecosystem uses: in anti-algae net making processes, submerged plant seed kind be attached in the head rope, more anti-algae net plane is layed on silt at the bottom of lake.
Compared with prior art, the present invention has following technique effect:
1. new type algae-resisting coating technical security of the present invention, effectively, cost is low, easy and simple to handle, can in improvement lake blue algae wide popularization and application.
2. new type algae-resisting coating of the present invention and anti-algae network technology is adopted to administer lake algal tufa efficient, durable, by a large amount of, multi-level experiments, emergent and prevention dual-purpose, at end silt grass planting, thus form large-area vegetation, be conducive to the restoration of the ecosystem in lake, reach the target for the treatment of both principal and secondary aspect of disease.
3. new type algae-resisting coating of the present invention and anti-algae net can be selected to become silted up at the bottom of winter to kill algae mode, do not affect lake surface operation and view.And preventive effect is long-acting, easy and simple to handle.
Embodiment
Below further describe concrete technical scheme of the present invention, so that those skilled in the art understands the present invention further, and do not form the restriction to its right.
Embodiment 1.A kind of new type algae-resisting coating, it is made up of the raw material of following weight percent,
The resin compound 40% mixed by MEG resin and synthetic resins;
Organic solvent 60%;
Wherein: MEG resin accounts for 20% of resin compound weight.
Embodiment 2.A kind of new type algae-resisting coating, it is made up of the raw material of following weight percent,
The resin compound 60% mixed by MEG resin and synthetic resins;
Organic solvent 40%;
Wherein: MEG resin accounts for 80% of resin compound weight.
Embodiment 3.A kind of new type algae-resisting coating, it is made up of the raw material of following weight percent,
The resin compound 50% mixed by MEG resin and synthetic resins;
Organic solvent 50%;
Wherein: MEG resin accounts for 50% of resin compound weight.
Embodiment 4.A kind of new type algae-resisting coating, it is made up of the raw material of following weight percent,
The resin compound 45% mixed by MEG resin and synthetic resins;
Organic solvent 55%;
Wherein: MEG resin accounts for 40% of resin compound weight.
Embodiment 5.A kind of new type algae-resisting coating, it is made up of the raw material of following weight percent,
The resin compound 55% mixed by MEG resin and synthetic resins;
Organic solvent 45%;
Wherein: MEG resin accounts for 60% of resin compound weight.
Embodiment 6.In new type algae-resisting coating in embodiment 1-5 described in any one: described organic solvent is selected from the mixed solvent of one or more compositions of benzene, alcohol, ester, ether or ketone.
Embodiment 7.In new type algae-resisting coating in embodiment 1-5 described in any one: described organic solvent is selected from the mixed solvent of one or more compositions of dimethylbenzene, gasoline, ethanol, butanols, butyl ester or ethyl acetate.
Embodiment 8.In new type algae-resisting coating in embodiment 1-5 described in any one: containing weight percent in described organic solvent is the dehydrated alcohol of 30%, all the other organic solvents are one or more mixed solvents formed of benzene, alcohol, ester, ether or ketone except dehydrated alcohol.
Embodiment 9.In new type algae-resisting coating in embodiment 1-5 described in any one: containing weight percent in described organic solvent is the dehydrated alcohol of 50%, all the other organic solvents are one or more mixed solvents formed of benzene, alcohol, ester, ether or ketone except dehydrated alcohol.
Embodiment 10.In new type algae-resisting coating in embodiment 1-9 described in any one: described synthetic resins is selected from: acrylic resin, silicone resin, ketone resin, resol or petroleum resin.
Embodiment 11.A preparation method for new type algae-resisting coating, mixes MEG resin at normal temperatures with synthetic resins by described weight proportion, then adds organic solvent dissolution, stir, and controls viscosity (with being coated with-4 glasss, recording under 25 degrees Celsius) and, to 30-100s, to obtain final product.
Embodiment 12.A kind of as the new type algae-resisting coating of embodiment 1-11 described in any one administer storehouse, lake algae water pollute in application.Its using method is, is coated by new type algae-resisting coating and paddles on base material, is then dropped in the algae pollution water body needing to administer.
Embodiment 13.Administer the anti-algae net that storehouse, lake algae water pollutes, it comprises the head rope, the head rope is coated with as the new type algae-resisting coating in embodiment 1-11 as described in any one, forms anti-algae coating.
Embodiment 14.A using method for the anti-algae net that storehouse, improvement lake algae water as described in embodiment 13 pollutes, is characterized in that: adopt following A, B or C method to use,
A: Emergency use: as water body frustule concentration > 10
7individual/L, is fixed on apart from water surface 10-30cm centimetre place by anti-algae net plane;
B: prevention uses: when algae lived in seclusion and became silted up the end of in winter, is layed on silt at the bottom of lake by anti-algae net plane;
C: restoration of the ecosystem uses: in anti-algae net making processes, submerged plant seed kind be attached in the head rope, more anti-algae net plane is layed on silt at the bottom of lake.
Embodiment 15.The experiment of administering algae pollution water body is carried out with anti-algae net.
1, material:
(1) preparation of algae-resisting coating: be made up of the raw material of following weight percent,
The resin compound 50% mixed by MEG resin and silicone resin;
Ethyl acetate 50%;
Wherein: MEG resin accounts for 50% (by process of the test requirement, can adjust on demand) of resin compound weight.
Method for making: mixed at normal temperatures with silicone resin by MEG resin by described weight proportion, then add acetic acid ethyl dissolution, stir, controls viscosity to 65s, to obtain final product.
(2) preparation of anti-algae net:
A, select commercial polyethylene fishing net, sun-proof net, window screening etc. as the attachment base material of algae-resisting coating, mesh 0.2cm
2-1cm
2, for subsequent use after cleaning-drying.
B, pour algae-resisting coating into slightly larger than base material wide cut stainless steel tank pond, base material of paddling slowly immerses in liquid coating pond, under liquid level through setting, the liquid of coating is allowed fully to immerse areola, then in the opposite hauling airing in groove pond, surface drying 20 minutes, does solid work 4 hours in atmosphere, is the anti-algae net of finished product after doing solid work.
The coating thickness of c, nettle is 50-120um.
2, the construction and application method of anti-algae net:
A: emergent construction application
Spring and summer season, as the water body such as lake or reservoir frustule concentration > 10
7individual/L, is fixed on anti-algae net ball float or mark post apart from lake surface 30 centimeters of plane places, after 48 hours, effectively can controls the outburst of blue-green alga bloom.
B: prevention construction application
Autumn and winter season, mercury dropped.Lake blue algae is lived in seclusion the end of in and is become silted up, and adopt traditional clay pressure algae method, anti-algae net laying be located on silt at the bottom of lake, after 2 months, temperature gos up to 20 degrees Celsius, effectively suppresses the recovery of blue-green algae, in 1 year, algal tufa phenomenon can not occur, preventive effect highly significant.
C: anti-algae grass planting on net restoration of the ecosystem
In anti-algae net dipping process making processes, before the non-surface drying of film, adopt machinery to raise and spread submerged plant as eel grass, micro-tooth eye dish, the seed kinds such as Malaysia eye dish, be attached in the head rope, experiment on anti-algae net laying being become silted up at the bottom of lake proves: the wetting ability of the online algae-resisting coating of anti-algae, rapid Peng's melt into is cellular, grass seeds bud bud can be shown one's talent, obtain except algae the function spherical microbial film of white formed and the nitrogen being enriched in silt interface, the end simultaneously, phosphorus, the nutritive salt such as sulphur are to the germinating growth of submerged plant and form vegetational type, prepare abundant Nutrient medium, to the end become silted up ecological impact particularly phosphorus exchange will play a positive role, the group vegetation formed can improve the transparency of water body significantly, reduce nutrient concentration and chlorophyll content, effectively improve water quality.Therefore anti-algae net can not only remove algae removal kind, can also the sowing effect of effective set algae seed kind.
3, experimentation one and result thereof.
Sampling time: on March 31st, 2009
Experimental period: 31-April 24 March
Control algae experiment place: Wuhan East Lake official bridge.
Water sample is divided into 3 water tanks, in each water tank, volume of water sample is approximately 30 liters, one is contrast case, and one is anti-algae net 1 case (MEG resin accounts for 20% of resin compound weight) of placement, and one arranges anti-algae net 2 case (MEG resin accounts for 50% of resin compound weight).
March 31: contrast case: 1.8 × 10
6individual/mL microscopy (mainly microcystic aeruginosa).
April 2: contrast case: 8.0 × 10
5individual/mL, anti-algae net 1 case: 5 × 10
4individual/mL, anti-algae net 2 case: 1.0 × 10
5individual/mL, calculates with anti-algae net 1 case and control group and kills algae rate: 81.25%.
April 15: contrast case: 5.0 × 10
5individual/mL, anti-algae net 1 case: 5 × 10
4individual/mL, anti-algae net 2 case: 1.0 × 10
5individual/mL, anti-algae net 1 case and control group calculate and kill algae rate: 90%.
Contrast on April 24 case: 3.0 × 10
5individual/mL, anti-algae net 1 case: < 10
4individual/mL, anti-algae net.Case: 1.0 × 10
5individual/mL, anti-algae net 1 case and control group calculate and kill algae rate: 96.6%.
4, experimentation two and result thereof.
Sampling time: on January 25th, 2010
Experiment place: East Lake enclosure, depth of water 80cm, bed mud 10cm, rigid substrate, distribute 8 bottomless glass reinforced plastic enclosures (2.0 × 1.5 × 1.2m).
Experimental technique: enclosure inserts in bed mud, area 2m × 1.5m drops into the anti-algae net scribbling the algae-resisting coating coating of different ratio respectively in No. 1-No. 4 enclosures on January 25th, 2010, get contrast 1 in addition and contrast 2 enclosures and do not throw in anti-algae net.January 25, water sampling in No. 4 enclosures, on-the-spot fixing.On March 25th, 2010 is in contrast 1 enclosure, No. 1 and No. 4 enclosure samplings, on-the-spot fixing.Return laboratory water sample to concentrate, carry out Phytoplankton Cells counting by sediments microscope inspection.Each sample microscopy 3 times, averages.
Experimental result:
1. field observation on March 25 in 2010 and transparency
Contrast 1 enclosure: water body is muddy, and color is greener, transparency 40cm; Contrast 2 enclosures: floating on water one deck water is continuous, transparency 0cm; No. 1 enclosure: water body is limpid, transparency 70cm; No. 2 enclosures: floating on water has bubble, have a small amount of water continuous, transparency 50cm; No. 3 enclosures: be coated with net and swim in the water surface, side water body is limpid, transparency 60cm; No. 4 enclosures: be coated with the online floating water surface, adhere to a small amount of bristle algae, transparency 70cm.
2. water sample plant plankton counting
No. 4 enclosures plant plankton dominant species on January 25th, 2010 is green alga and hidden algae, adds up to 1.18 × 10
8individual/L, on March 25th, 2010, dominant species was Scenedesmus quadricauda (Chlorophyta) and little ring algae, add up to 6.25 × 10
7individual/L.
Contrasting No. 1 enclosure plant plankton dominant species on March 25th, 2010 is green alga, adds up to 2.98 × 10
8individual/L, No. 3 enclosures plant plankton dominant species on March 25th, 2010 is hidden algae and minority green alga, adds up to 7.38 × 10
6individual/L.
Conclusion: according to water sample plant plankton counting, wherein optimum No. 3 are enclosed anti-algae net compared with contrast 1 enclosure, kill algae rate 97.6%.
5, experimentation two and result thereof.
(1) experiment material
Select microcystic aeruginosa fachb-905 (Microcystis aeruginosa) to be provided by the American Type Culture Collection council of hydrobiont institute of Chinese Academy of Sciences algae kind storehouse (FACHB), this algae is unicellular, is located away from Dian Chi.At light intensity 20 ~ 25 μ E m
-2s
-1, temperature 25 ± 1 DEG C, photoperiod 12h: 12h cultivates in BG11.
(2) experimental technique
Get microcystic aeruginosa 500ml in beaker, add anti-algae net, be respectively 10*20cm and 10*40cm, be placed in beaker bottom, be placed on incubator and cultivate (light intensity 20 ~ 25 μ E m
-2s
-1, temperature 25 ± 1 DEG C, photoperiod 12h: 12h), 24h, 48h, 120h, 168h sample, and use microscope (Olympus CX-31) plankton counting chamber counting, contrast simultaneously.
(3) experimental result
No. 1 sample (10 × 20cm) alga-killing rate:
24 hours 2.5%, 48 hours 29.0%, 130 hours 54.5%, 168 hours 63.6%.
No. 2 sample (10 × 40cm) alga-killing rates:
24 hours 27.8%, 48 hours 56.8%, 120 hours 75.6%, after 168 hours 88.0%.
Claims (3)
1. administer a using method for the anti-algae net that storehouse, lake algae water pollutes, it is characterized in that: adopt following A, B or C method to use,
A: Emergency use: as water body frustule concentration > 10
7individual/L, is fixed on apart from water surface 10-30cm place by anti-algae net plane;
B: prevention uses: when algae lived in seclusion and became silted up the end of in winter, is layed on silt at the bottom of lake by anti-algae net plane;
C: restoration of the ecosystem uses: in anti-algae net making processes, submerged plant seed kind be attached in the head rope, more anti-algae net plane is layed on silt at the bottom of lake;
The anti-algae net that described storehouse, improvement lake algae water pollutes comprises the head rope, the head rope is coated with new type algae-resisting coating, forms anti-algae coating;
Described new type algae-resisting coating is made up of the raw material of following weight percent,
The resin compound 40-60% mixed by MEG resin and synthetic resins;
Organic solvent 60-40%;
Wherein: MEG resin accounts for the 20-80% of resin compound weight;
Described MEG resin refers to that publication number is CN101168589, name is called the new type resin described in Chinese patent of " a kind of production technique of new type resin ";
Described organic solvent is selected from the mixed solvent of one or more compositions of benzene, alcohol, ester, ether or ketone;
Described synthetic resins is selected from: acrylic resin, silicone resin, ketone resin, resol or petroleum resin.
2. the using method of the anti-algae net of storehouse, improvement lake according to claim 1 algae water pollution, it is characterized in that: containing weight percent in described organic solvent is the dehydrated alcohol of 30-50%, all the other organic solvents are one or more mixed solvents formed of benzene, alcohol, ester, ether or ketone except dehydrated alcohol.
3. the using method of the anti-algae net of storehouse, improvement lake according to claim 1 and 2 algae water pollution, it is characterized in that: the preparation method of described new type algae-resisting coating is, by described weight proportion, MEG resin is mixed at normal temperatures with synthetic resins, add organic solvent dissolution again, stir, control viscosity to 30-100s, to obtain final product.
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|---|---|---|---|
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