CN102630627A - Long-term sterilization type microorganism adhesion preventing oxygen increasing device for aquaculture - Google Patents
Long-term sterilization type microorganism adhesion preventing oxygen increasing device for aquaculture Download PDFInfo
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- CN102630627A CN102630627A CN2012101190979A CN201210119097A CN102630627A CN 102630627 A CN102630627 A CN 102630627A CN 2012101190979 A CN2012101190979 A CN 2012101190979A CN 201210119097 A CN201210119097 A CN 201210119097A CN 102630627 A CN102630627 A CN 102630627A
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- automatic aerator
- water body
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- increasing device
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Abstract
The invention relates to an oxygen increasing device for aquaculture, which is characterized in that sterilization paddings are doped in sintering and preparation processes of the oxygen increasing device. The oxygen increasing device disclosed by the invention has the advantages that the shortcomings of a conventional oxygen increasing device are overcome, the sterilization paddings can be used for preventing the microorganism adhesion, the blocking of oxygen outlets on the oxygen increasing device is decreased, the service life and the use effect of the oxygen increasing device are increased and the slow release of the sterilization paddings can play a role of purifying the water body and has no side effect to culture organisms at the same time.
Description
Technical field
The present invention relates to a kind of aquaculture oxygen-increasing device, be specifically related to the automatic aerator that a kind of long-acting bactericidal type preventing microorganism adheres to.
Background technology
Water body is the environment of fish lives, and the dissolved oxygen in the water is one of fish the most basic necessary condition of depending on for existence, so automatic aerator is widely used in the aquaculture
[1,2]But automatic aerator result of use in the market is bad, mainly is because after placing the automatic aerator of plant to use a period of time, the surface has microbial adhesion, stops up the oxygen outlet of automatic aerator; Simultaneously, stained bacterium also possibly cause biological disease
[3]
In aquatic farm, place automatic aerator after a period of time, its surface is soon by on the bacterial adhesion, and bacterium secretion exocellular polysaccharide further forms bacterial biof iotalm.Subsequently, when the larva of floating in the water body, the aufwuch that moves about and spore when having formed the automatic aerator surface of microorganism mucous membrane, a series of variations and the constantly procreation growth on its surface take place, thereby cause the biodeterioration of automatic aerator
[4]
In aquaculture field, the output of aquatic products receives many-sided influence, and wherein the noxious bacteria influence is a main aspect.In recent years, for various reasons, aquiculture disease constantly took place.Show according to interrelated data, at present China found to comprise disease that pathogenicity such as virus, bacterium, parasite, mould and abiotic component cause reach 100 surplus kind, most of common bacteriosises can basic controlling
[5]But the control of viral disease still has very big difficulty.At present, the method for disinfection that is applied in the aquaculture mainly is: sand filtration, microbial cleaning, ultraviolet radiation for sterilizing and disinfecting, foam separation, ozone sterilization etc.
[6], seldom utilize automatic aerator to come not only to carry out oxygenation but also carry out sterilization.
The inorganic antibacterial material nontoxic, that antibiotic effect is lasting is used widely
[7]Inorganic antibacterial material mainly is divided into two big types: heavy metal class (copper system, aluminium system, silver system) and photocatalysis class (TiO
2Be main).During heavy metal class contact bacterial cell, (SH) reaction makes protein coagulating, inactivation of bacteria with the sulfydryl of zymoprotein in the cell body
[8]Illumination TiO
2The surface can produce the active oxy group of strong oxidizing property, combines with bacterial cell through direct or indirect mode, environmental microorganism is had suppress or killing action TiO
2Advantages such as that photo-catalyst has is lasting, heat-resisting, safe, be difficult for producing drug resistance, sterilization is thorough
[9]
The present invention is through doping inorganic antiseptic (copper system, aluminium system, silver system and TiO
2) improve the service life of automatic aerator and effectively water body is carried out sterilization.
List of references:
[1] Lin Lefeng, Ran Wei, Feng Xianzhang. breeding water body oxygenation mechanism and microporous pipe device be aeration oxygen replenishing technology under water. the fishery guide .2008.18.29-31. that gets rich
[2] Wang Xingguo, Wang Yuelei, Zhao Shuibiao. breeding water body bleeding technique and method are inquired into. the journal .2004.23.114-125 of Oceanography Institute Of Zhejiang
[3] Wang Dezhong, Wang Dezhi, Xie Zhiguo. the O&M of oxygen-enriching machine in fish pond. cultural technique .2011.01.180-181.
[4] Liu Chao, Fu Yubin, Zheng Jiyong. the progress of environmentally friendly antifouling composition and marine antifouling coating. developing material and application .2009.08.69-74.
[5] Buddha's warrior attendant, Zheng Longsong, Wang Haiying. the aquatic products healthy ecology is cultured problem and the countermeasure that development faces. aquatic science and technology .2010.04.34-36.
[6] king advances. and ozone is used in aquaculture. aquatic products engineering .2011.04.248-249.
[7]Xu?S，Sheng?G，Boyd?SA.Surface?interactions?between?clay?minerals?and?microbes，viruses，and?soluble?organics.Adv?Agron，1997，59：25.
[8] Wei Daqiao, Tang Yinglei, Liu Li, summer snow mountain, Peng Jinhui. the progress of novel inorganic anti-biotic material. material Leader .2008.22.11-14.
[9] Zhang Huishu, Liu keep new .TiO
2Photo-catalyst mechanism and Research development. science and technology and engineering .2009.09.5049-5064.
Summary of the invention
The present invention seeks to exist microorganism stained, influence its result of use, the automatic aerator that at present provides a kind of ability long-acting bactericidal and preventing microorganism to adhere to existing used for aquiculture automatic aerator use.
The present invention realizes through following technical scheme:
The first step: batch mixing (adding bactericide)
Press the expection chemical composition of automatic aerator and calculate charge ratio (as: flyash: boron mud: Ag powder=80: 19.7: 0.3).Before the bactericide weighing, need carry out necessary processing: bactericide is carried out drying, remove moisture; Some impurity is removed in selection; Sieve, guarantee that bactericide has the fineness of regulation; Some also need carry out in advance synthetic, calcining etc., to process satisfactory bactericide.Microbiocidal composition mainly comprises: (0.2%-0.3%) such as copper compound (0.1%-0.5%), silver powder and Ag-containing compound (0.1%-0.5%), titanium dioxide.Bactericide is mixed with other raw materials, and under liquid phase or gas phase, form ultra-fine, high-purity, highly active powder.
Second step: moulding
Through beginning moulding after the technologies such as deironing, press filtration, ageing mixture and vacuum pugging.Main forming method has: extrusion forming, dry-pressing formed, hot die-casting molding, injection forming, rolling formation, isostatic compaction and flow casting molding.According to actual needs, automatic aerator can be designed to excellent tubulose, shape such as discoid.
The 3rd step: sintering
Make the automatic aerator of moulding densified under high temperature action through sintering, accomplish the physical-chemical reaction of expection, make composition structure and physical and chemical performance that automatic aerator has to be needed, simultaneously, make bactericide better and other raw materials mutually combine.Like hot pressed sintering, 1400 ℃ of the highest hot pressing temperatures make required automatic aerator during maximum heat pressure pressure 1.5MPa.
The 4th step: automatic aerator assembling and use
With the automatic aerator that sinters and plastics ring set and oxygen cathete assembling, be placed in the water body of fishing ground after assembling is accomplished and work.
The 5th step: bactericide slowly-releasing
The automatic aerator of preparation is put into the fishing ground work, in the time of the automatic aerator oxygen supply, bactericide slowly discharges (0.01-0.5 μ g/d/L).Observe automatic aerator surface microorganism adhesion condition.
Compare with existing automatic aerator, the present invention has following beneficial effect:
(1) long service life.This automatic aerator can reach 5-8 service life, is 2-3 times of other automatic aerators.
(2) oxygen supply is stable.This automatic aerator paranasal sinuses can not result in blockage because of microbial adhesion, and oxygen supply is stable and sufficient.
(3) bactericidal properties is good.This automatic aerator is bactericide-release slowly, effectively improves water quality.
(4) have no side effect.The bactericide that this automatic aerator discharges can not impact the fish in the fishing ground.
Description of drawings
Fig. 1 automatic aerator; 2 sterilization fillers
Embodiment
Instance 1: present embodiment is used to explain doping 0.5%CuSO
4Preparation vitrified bond type long-acting bactericidal automatic aerator.
80: 19.5: 0.5 by weight percentage, weigh batching flyash, boron mud and CuSO
4, mixing and stirring.At extrusion pressure is 1.8MPa, vacuum is-the 0.092Mpa condition under, utilize the extruder extrusion modling.950-1050 ℃ of high-temperature region roasting 11 hours, process diameter 5.5cm after the cooling, the bar-shaped automatic aerator of long 12cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.CuSO
4Most of mushrooms all had stronger inhibition and lethal effect.Learn that through the canonical measure method long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 80% than general automatic aerator.
Instance 2: present embodiment is used to explain doping 0.1%CuSO
4Preparation vitrified bond type long-acting bactericidal automatic aerator.
80: 19.9: 0.1 by weight percentage, weigh batching flyash, boron mud and CuSO
4, mixing and stirring.At extrusion pressure is 1.8MPa, vacuum is-the 0.092Mpa condition under through the extruder extrusion modling.950-1050 ℃ of high-temperature region roasting 11 hours, process diameter 5.5cm after the cooling, the bar-shaped automatic aerator of long 12cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.CuSO
4Most of mushrooms all had stronger inhibition and lethal effect.Learn that through the canonical measure method long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 40% than general automatic aerator.
Instance 3: present embodiment is used to explain doping 0.2%CuSO
4Preparation vitrified bond type long-acting bactericidal automatic aerator.
80: 19.8: 0.2 by weight percentage, weigh batching flyash, boron mud and CuSO
4, mixing and stirring.At extrusion pressure is 1.8MPa, vacuum is-the 0.092Mpa condition under through the extruder extrusion modling.950-1050 ℃ of high-temperature region roasting 11 hours, process diameter 5.5cm after the cooling, the bar-shaped automatic aerator of long 12cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.CuSO
4Most of mushrooms all had stronger inhibition and lethal effect.Learn that through the canonical measure method long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 55% than general automatic aerator.
Instance 4: present embodiment is used to explain doping 0.3%CuSO
4Preparation Al
2O
3Type long-acting bactericidal automatic aerator.
70: 10: 6.7 by weight percentage: 5: 3: 5: 0.3, weigh calcining Al
2O
3, kaolin, bentonite, BaCO
3, calcite, give birth to talcum and CuSO
4, mixing and stirring.At extrusion pressure is 2.0MPa, vacuum is-condition of 0.081Mpa under through the extruder extrusion modling.1250-1400 ℃ of high-temperature region roasting 10 hours, process diameter 6cm after the cooling, the bar-shaped automatic aerator of long 20cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.CuSO
4Most of mushrooms all had stronger inhibition and lethal effect.Learn that through the canonical measure method long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 60% than general automatic aerator.
Instance 5: present embodiment is used to explain doping 0.4%CuSO
4Preparation Al
2O
3Type long-acting bactericidal automatic aerator.
70: 10: 6.6 by weight percentage: 5: 3: 5: 0.4, weigh calcining Al
2O
3, kaolin, bentonite, BaCO
3, calcite, give birth to talcum and CuSO
4, mixing and stirring.At extrusion pressure is 2.0MPa, vacuum is-the 0.081Mpa condition under through the press extrusion modling.1250-1400 ℃ of high-temperature region roasting 10 hours, process diameter 6cm after the cooling, the bar-shaped automatic aerator of long 20cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.CuSO
4Most of mushrooms all had stronger inhibition and lethal effect.Learn that through the canonical measure method long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 70% than general automatic aerator.
Instance 6: present embodiment is used to explain doping 0.5%Cu
2O prepares vitrified bond type long-acting bactericidal automatic aerator.
80: 19.5: 0.5 by weight percentage, weigh batching flyash, boron mud and Cu
2O, mixing and stirring.Consider Cu
2O has reproducibility, can be at N
2Sintering under the atmosphere.Process diameter 12cm after the cooling, the discoid automatic aerator of thick 3cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.Cu
2O has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 90% than general automatic aerator.
Instance 7: present embodiment is used to explain doping 0.3%Cu
2O prepares vitrified bond type long-acting bactericidal automatic aerator.
80: 19.7: 0.3 by weight percentage, weigh batching flyash, boron mud and Cu
2O, mixing and stirring.Consider Cu
2O has reproducibility, can be at N
2Sintering under the atmosphere.Process diameter 12cm after the cooling, the discoid automatic aerator of thick 3cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.Cu
2O has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 70% than general automatic aerator.
Instance 8: present embodiment is used to explain doping 0.4%Cu
2O prepares Al
2O
3Type long-acting bactericidal automatic aerator.
70: 10: 6.6 by weight percentage: 5: 3: 5: 0.4, weigh calcining Al
2O
3, on the kaolin, swelling, BaCO
3, calcite, give birth to talcum and Cu
2O, mixing and stirring.Consider Cu
2O has reproducibility, can be at N
2Sintering under the atmosphere.Process diameter 12cm after the cooling, the discoid automatic aerator of thick 3cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.Cu
2O has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 80% than general automatic aerator.
Instance 9: present embodiment is used to explain doping 0.1%Cu
2O prepares Al
2O
3Type long-acting bactericidal automatic aerator.
70: 10: 6.9 by weight percentage: 5: 3: 5: 0.1, weigh calcining Al
2O
3, kaolin, bentonite, BaCO
3, calcite, give birth to talcum and Cu
2O, mixing and stirring.Consider Cu
2O has reproducibility, can be at N
2Sintering under the atmosphere.Process diameter 12cm after the cooling, the discoid automatic aerator of thick 3cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.Cu
2O has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 50% than general automatic aerator.
Instance 10: present embodiment is used to explain that doping 0.5%Ag powder prepares vitrified bond type long-acting bactericidal automatic aerator.
80: 19.5: 0.5 by weight percentage, weigh batching flyash, boron mud and Ag powder, mixing and stirring.At extrusion pressure is 1.8MPa, vacuum is-the 0.092Mpa condition under extrusion modling.950-1050 ℃ of high-temperature region roasting 11 hours, process diameter 12cm after the cooling, the discoid automatic aerator of thick 3cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.The Ag powder all has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 90% than general automatic aerator.
Instance 11: present embodiment is used to explain that doping 0.3%Ag powder prepares vitrified bond type long-acting bactericidal automatic aerator.
80: 19.7: 0.3 by weight percentage, weigh batching flyash, boron mud and Ag powder, mixing and stirring.At extrusion pressure is 1.8MPa, vacuum is-the 0.092Mpa condition under through the extruder extrusion modling.950-1050 ℃ of high-temperature region roasting 11 hours, process diameter 6cm after the cooling, the bar-shaped automatic aerator of long 20cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.The Ag powder all has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 90% than general automatic aerator.
Instance 12: present embodiment is used to explain that doping 0.1%Ag powder prepares Al
2O
3Type long-acting bactericidal automatic aerator.
70: 10: 6.9 by weight percentage: 5: 3: 5: 0.1, weigh calcining Al
2O
3, kaolin, bentonite, BaCO
3, calcite, give birth to talcum and Ag powder, mixing and stirring.At extrusion pressure is 2.0MPa, vacuum is-the 0.081Mpa condition under extrusion modling.1250-1400 ℃ of high-temperature region roasting 10 hours, process diameter 12cm after the cooling, the discoid automatic aerator of thick 3cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.The Ag powder all has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 60% than general automatic aerator.
Instance 13: present embodiment is used to explain that doping 0.2%Ag powder prepares Al
2O
3Type long-acting bactericidal automatic aerator.
70: 10: 6.8 by weight percentage: 5: 3: 5: 0.2, weigh calcining Al
2O
3, kaolin, bentonite, BaCO
3, calcite, give birth to talcum and Ag powder, mixing and stirring.At extrusion pressure is 2.0MPa, vacuum is-the 0.081Mpa condition under extrusion modling.1250-1400 ℃ of high-temperature region roasting 10 hours, process diameter 6cm after the cooling, the bar-shaped automatic aerator of long 20cm.
The automatic aerator for preparing is put into fishing ground water body fourth to be done.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.The Ag powder all has stronger inhibition and lethal effect to most of mushrooms.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 80% than general automatic aerator.
Instance 14: present embodiment is used to explain doping 0.3%TiO
2Preparation vitrified bond type long-acting bactericidal automatic aerator.
80: 19.7: 0.3 by weight percentage, weigh batching flyash, boron mud and TiO
2, mixing and stirring.At extrusion pressure is 1.8MPa, vacuum is-the 0.092Mpa condition under extrusion modling.950-1050 ℃ of high-temperature region roasting 11 hours, process diameter 6cm after the cooling, the bar-shaped automatic aerator of long 20cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.TiO
2Most of mushrooms all had stronger inhibition and lethal effect.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 70% than general automatic aerator.
Instance 15: present embodiment is used to explain doping 0.2%TiO
2Preparation Al
2O
3Type long-acting bactericidal automatic aerator.
70: 10: 6.8 by weight percentage: 5: 3: 5: 0.2, weigh calcining Al
2O
3, kaolin, bentonite, BaCO
3, calcite, give birth to talcum and TiO
2, mixing and stirring.At extrusion pressure is 2.0MPa, vacuum is-the 0.081Mpa condition under extrusion modling.1250-1400 ℃ of high-temperature region roasting 10 hours, process diameter 12cm after the cooling, the discoid automatic aerator of thick 3cm.
The automatic aerator for preparing is put into the fishing ground water body works.Near bactericide content and the total number of bacteria in the water body (as 5 days, 10 days, 30 days) surveying record automatic aerator regularly, and observation automatic aerator surface microorganism adhesion condition.
Through observing, automatic aerator surface microorganism adhesion amount is few.TiO
2Most of mushrooms all had stronger inhibition and lethal effect.Long-acting bactericidal type automatic aerator place water body bacterium sum lacks more than 60% than general automatic aerator.
Claims (4)
1. a long-acting bactericidal type preventing microorganism adheres to automatic aerator, it is characterized in that the automatic aerator sterilization filler that in the sintering manufacture process, mixed.
2. automatic aerator according to claim 1 is characterized in that and can effectively prevent adhering to of microorganism, improves its result of use.
3. automatic aerator according to claim 1 is characterized in that and can in water body, slowly discharge Fungicidal substance, reaches the effect of purifying water body.
4. automatic aerator according to claim 1 is when is characterized in that preventing microorganism adheres to, to biological not influence in the water body.
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Citations (8)
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| EP0487994A1 (en) * | 1990-11-29 | 1992-06-03 | CARL ZEISS S.p.A. | A method for the disinfection and cleansing of contact lenses |
| EP1412288B1 (en) * | 2000-12-15 | 2005-09-07 | Institut Francais Du Petrole | Disinfecting peroxosilicated compound with scale preventive effect, preparation method and use thereof |
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| CN101050365A (en) * | 2007-05-09 | 2007-10-10 | 中国水产科学研究院淡水渔业研究中心 | Modifying agent for bottom material of pond for breeding aquatic products |
| CN101164911A (en) * | 2007-09-27 | 2008-04-23 | 袁长兵 | Method for producing concave-convex rod particle adsorption oxygen increasing agent |
| CN101306859A (en) * | 2008-05-21 | 2008-11-19 | 中国水产科学研究院淡水渔业研究中心 | High-efficiency scavenging agent for water quality of aquaculture pond |
| CN101748598A (en) * | 2008-12-10 | 2010-06-23 | 李虹光 | Preparation of oxygen-adding antibacterial mask and special material |
-
2012
- 2012-04-23 CN CN2012101190979A patent/CN102630627A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0059978B1 (en) * | 1981-03-10 | 1984-06-13 | BAYROL Chemische Fabrik G.m.b.H. | Process for the chemical treatment and disinfection of waters and aqueous systems |
| EP0487994A1 (en) * | 1990-11-29 | 1992-06-03 | CARL ZEISS S.p.A. | A method for the disinfection and cleansing of contact lenses |
| EP1412288B1 (en) * | 2000-12-15 | 2005-09-07 | Institut Francais Du Petrole | Disinfecting peroxosilicated compound with scale preventive effect, preparation method and use thereof |
| CN101041492A (en) * | 2007-03-26 | 2007-09-26 | 吴江玲 | Oxygenation antibiosis additive and producing technique thereof |
| CN101050365A (en) * | 2007-05-09 | 2007-10-10 | 中国水产科学研究院淡水渔业研究中心 | Modifying agent for bottom material of pond for breeding aquatic products |
| CN101164911A (en) * | 2007-09-27 | 2008-04-23 | 袁长兵 | Method for producing concave-convex rod particle adsorption oxygen increasing agent |
| CN101306859A (en) * | 2008-05-21 | 2008-11-19 | 中国水产科学研究院淡水渔业研究中心 | High-efficiency scavenging agent for water quality of aquaculture pond |
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Application publication date: 20120815 |