CN101508505B - Method for removing blue algae in water and reducing algae stench - Google Patents
Method for removing blue algae in water and reducing algae stench Download PDFInfo
- Publication number
- CN101508505B CN101508505B CN2009100302392A CN200910030239A CN101508505B CN 101508505 B CN101508505 B CN 101508505B CN 2009100302392 A CN2009100302392 A CN 2009100302392A CN 200910030239 A CN200910030239 A CN 200910030239A CN 101508505 B CN101508505 B CN 101508505B
- Authority
- CN
- China
- Prior art keywords
- blue
- green algae
- water
- algae
- blue algae
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a method for removing blue algae in water and eliminating the odor of the blue algae. The method can be used not only for removing the blue algae existing in lakes, rivers or other water bodies, but also for preventing the water bodies containing the blue algae from giving off odor. The method comprises the following steps: flocculating the blue algae through a flocculant; decomposing the flocculated blue algae and eliminating the odor of the blue algae through an algae removal deodorant; sprinkling a microbe aquatic preparation and putting waterweed or water hyacinth or snails and mussels so as to purify the water; and flocculating, decomposing and deodorizing the blue algae in order, and then purifying the water area polluted by the blue algae through the biological purification technology. The method has the advantages that: the method can be used to not only carry out the environmental protection and harmless removal of the blue algae before the blue algae breaks out massively, but also eliminate the odor of the blue algae, thereby improving the ecological and environmental quality of the water area; and in addition, the method is innocuous and harmless for aquatic animals and human beings, and has low use cost.
Description
Technical field
The present invention relates to a kind of remove in the water blue-green algae and subdue algae death after the smelly method of water body, specifically eliminate a kind of artificial blue-green algae improvement method of blue-green algae in the water bodys such as lake, river course or pond, belong to ecological improving technology field, waters.
Background technology
Blue-green algae Cyanophyceae is a kind of algae common in the water body, and Microcystis aeruginosa Microcystis individual reproduction power wherein is extremely strong, and the tool floatability has the algae stink.In recent years, because increasing the weight of of lake, river course or pond water quality eutrophication degree, blue-green algae breaks out in China's big area, especially when water temperature surpasses more than 20 ℃, blue-green algae can be the bank in waters and a large amount of the suspension or accumulation in top layer of water body, the blue-green algae that grows in a large number not only can be caused water hypoxia and fish kill, and the caused ecological degeneration of the stink that distributes after the blue-green algae death is very big to people's domestic water, industrial and agricultural production and tourism influence, and the financial loss that is caused is also very huge.The common method of administering blue-green algae harm at present has: 1. control body eutrophication; 2. plant waterplant such as Herba Eichhorniae; 3. remove the blue-green algae that is deposited in the bank with artificial method of salvaging; 4. remove the mud at the bottom of lakebed, river bed or the pond; 5. intercepted with the method that artificial fence is set; 6. from rivers, lake or reservoir water transfer dilution; 7. the biotechnological formulation of splashing; 8. throw in algophagous fish, spiral shell and shellfish etc.The blue-green algae that aforesaid method is administered in the little water body has certain effect, but just break out with regard to the blue-green algae in the big water bodys such as lake, effect is then very limited, and blue-green algae breaks out the stink that is sent after to the pollution of water quality and frond death the back and still do not have effective means at present and eliminated.Trace it to its cause and be: 1. the blue-green algae frond is less, and breeding is fast, is suspended in the water body top layer more, and the blue-green algae that pile up on the bank can be salvaged, and being scattered in blue-green algae in the water, then to salvage efficient extremely low or can't salvage at all.2. planting pasture and water is to recover waters ecology, the effective means that the control blue-green algae breaks out, but most large-size lake water transparencies are low, water level is dark, stormy waves is big, deep water plant and emergent are difficult to plant in a large number, though pleuston is easy to transplant, a large amount of propagation back is not salvaged in autumn and winter and is then had secondary pollution problem.Though the methods such as blowdown, desilting, fence, water transfer and input fish of 3. controlling are to the water ecology reparation and to reduce blue-green algae quantity very favourable, it is many inject capital into, and the enforcement difficulty is big, and algal control, deodorizing effect are unsatisfactory.4. the biotechnological formulation of splashing merely improvement water quality can not suppress the growth of blue-green algae, can not eliminate the blue-green algae stink.5. the investment of existing blue-green algae improvement method greatly, but effect gets half the result with twice the effort, therefore existing blue-green algae improvement method exists obvious defects and deficiency.
Summary of the invention
The purpose of this invention is to provide a kind of method of removing blue-green algae in the water and eliminating its stink, use this method can remove the blue-green algae that has in lake, river course or other water body, and can make the water body that has blue-green algae not smelly.
Blue-green algae and to eliminate the smelly method steps of algae as follows in the removing water of the present invention:
1, flocculation blue-green algae
(1) flocculation agent of evenly splashing in the water body that has blue-green algae, consumption are every cubic metre 1～10 gram, make the blue-green algae flocculation, and selection principle is that root blue-green algae amount determines that blue-green algae is measured big capping, on the contrary the limit of taking off; Described flocculation agent is a polyacrylamide, and first water is dissolved into the aqueous solution with polyacrylamide before using, and splashes then in containing the water body of blue-green algae, and it can make blue-green algae produce throwing out; It has the branch of negatively charged ion, positively charged ion and nonionic, is commonly used for precipitation tap water impurity and sewage disposal, is a kind of to hydrocoles and human organic floculant nontoxic, nuisanceless and with low cost, but and continuous several times use.
(2) water body stirs, and utilizes stormy waves power, machinery or artificial outer power that the water body of the polyacrylamide of evenly splashing is stirred, to accelerate flocculation rate and to improve flocculating effect.
(3) frond precipitation promptly begins precipitation after the blue-green algae flocculation.
2, decompose frond, eliminate stink
After blue-green algae was by flocculation sediment, the algae reodorant that disappears of splashing can make the blue-green algae that sinks under water and the stink of water body be cleared up, and its consumption is every cubic metre 100～500 gram, and selection principle is to determine that according to the blue-green algae amount blue-green algae is measured big capping, on the contrary the limit of taking off;
The described algae reodorant that disappears is by probiotic group, substratum and zeolite powder or swollen deep pool native compound composition, weight ratio between the three is 1: 20～40: 2～4, contain Rhodopseudomonas palustris Rhodopseudomonas palustris NS18, Bacillus subtillis Bacellus subtilis NS11, colloid bacillus cereus B.mucilaginosus NS02 in the described probiotic group, it has the organic matter of decomposition and NH
3, NH
4+, NO
2 -, NO
3 -, H
2The effect of S objectionable constituent.
Described zeolite powder or wilkinite all are a kind of zeopan mineral, have unique layer chain-like structure feature, and Stability Analysis of Structures is difficult to decompose, and has stronger adsorptive power, is the carrier of probiotic bacterium.
Described substratum be by pig manure and edible fungus culturing tankage bacterium chaff in (3～5): 1 ratio is carried out the organic fertilizer that fermentation reactor system becomes thoroughly decomposed and forms, provide the parasitic carrier of probiotic bacterium nutrition and breeding, in the substratum probiotic bacterium content be 500,000,000/gram more than, detect by microorganism prescriptive procedure commonly used, its biologically active has no side effect to the hydrocoles and the mankind.
3, purification of water quality
Decompose frond in process, after the elimination stink step, follow these steps to carry out purification of water quality:
(1) the compound microbial water preparation of splashing, consumption is 20～100 milliliters every cubic metre, selection principle is that root blue-green algae amount determines that blue-green algae is measured big capping, on the contrary the limit of taking off.
Contain photosynthetic bacterium, Bacillus subtillis, actinomycetes, milk-acid bacteria, yeast in the described complex microorganism water preparation, content of microorganisms 〉=500,000,000/milliliter, it has NH in the water of reduction
3, NH
4+, NO
2 -, NO
3 -, H
2The effect of S objectionable constituent and elimination stink.
(2) throw in waterweed or Herba Eichhorniae, injected volume is 1～5 kilogram every square metre; Described waterweed or Herba Eichhorniae are a kind of easys to raise, and the pasture and water that can grow fast, in order to absorb nutritive ingredients such as nitrogen, phosphorus in the water.
(3) throw in the spiral shell class, injected volume is 0.5～1.0 kilogram every square metre.
Use this method can remove the blue-green algae that has in lake, river course or other water body, and can make the water body that has blue-green algae not smelly.By flocculation agent blue-green algae is implemented flocculation, utilization disappears algae reodorant to implemented to decompose and eliminate stink by the blue-green algae of being flocculated, purify water by the microorganism water preparation of splashing, input waterweed or Herba Eichhorniae, input spiral shell class, make that blue-green algae is flocculated successively, decomposition and deodorizing, by the biopurification technology blue algae polluted water territory is purified again.
Compared with the prior art the present invention has the following advantages:
1., can before blue-green algae breaks out in a large number, remove, play and eliminate blue-green algae provenance in the water body, reach the purpose that suppresses the blue-green algae breeding and break out.
2., use the present invention and can reduce the middle and later periods probability that breaks out of blue-green algae.
3., this technological invention can remove and be difficult to the blue-green algae individuality being salvaged and suspend in water, improves blue alga clearing efficient to greatest extent.
4., can eliminate the blue-green algae stink, the ecological and environmental quality in waters is improved.
5., this improvement method is to hydrocoles and human nontoxic, harmless, and use cost is cheap.
6., landscaped area along the lake uses this invention and can eliminate lake region blue-green algae stink, improves people's living environment to greatest extent.
7., be on the point of the application the present invention of water tourist district and can improve of the influence of blue-green algae stench tourism development.
8., using this invention to administer blue-green algae will reduce the blue-green algae treatment cost significantly, reach the effect of getting twice the result with half the effort.
Embodiment
Example one: the present invention is a kind of method of removing blue-green algae in the water and eliminating the algae stink, the lake region technology that algae adopts that disappears mainly comprises the blue-green algae flocculation, decomposes frond and eliminate stink and purification of water quality three big steps, if lake region stretch of coastal water area is 100,000 square metres, 1.0 meters of the depth of waters, then need be equipped with one in the power canoe that can be filled with water more than 5 cubic metres, one on 0.5 kilowatt of water pump is housed on the ship, and concrete grammar is as follows:
(1), blue-green algae flocculation:
1. the polyacrylamide of splashing: the consumption of determining polyacrylamide according to quantity what and the water amount of lake region blue-green algae, blue-green algae is often thrown in 10 grams by every cube of water body, otherwise throw in 1 gram by every cube of water body, in this example, if the injected volume of the less polyacrylamide of blue-green algae is a double centner, otherwise then need 1000 kilograms, polyacrylamide is stirred well back with the lake water dilution in 1: 300 dissolving ratio evenly spray to the waters that blue-green algae is concentrated in cabin by water pump.
2. water body stirs: the propeller agitation effect of dependence ship makes the blue-green algae thorough mixing in flocculation agent and the water body and is adsorbed.
3. precipitation: suppressed respiratory function and the photosynthesis of blue-green algae behind the flocculation agent absorption blue-green algae, blue-green algae is dead and sink under water after 48 hours.
(2), decompose frond and elimination stink:
After blue-green algae precipitation and the death, the algae reodorant that disappears of splashing, consumption are every cubic metre 100 gram～500 grams, and the many cappings of blue-green algae throw out, otherwise the limit of taking off, this routine consumption are 10 tons～50 tons.
(3), purification of water quality:
1. the compound microbial water preparation of splashing, consumption is every cubic metre 20 milliliters～100 milliliters, the many cappings of blue-green algae throw out, otherwise the limit of taking off, this routine consumption are 2000 liters～10000 liters.
2. throw in waterweed, injected volume is every square metre 1 kilogram～5 kilograms, the many cappings of blue-green algae throw out, otherwise the limit of taking off.
3. throw in the spiral shell class, injected volume is every square metre 0.5 kilogram～1 kilogram, the many cappings of blue-green algae throw out, otherwise the limit of taking off.
Claims (2)
1. remove in the water blue-green algae and eliminate the smelly method of algae for one kind, comprise the steps:
(1), flocculation blue-green algae
1. the flocculation agent of evenly splashing in the water body that has blue-green algae makes the blue-green algae flocculation; Consumption is every cubic metre 1～10 gram, and selection principle is to determine that according to the blue-green algae amount blue-green algae is measured big capping, on the contrary the limit of taking off;
2. water body stirs, and utilizes stormy waves power, machinery or artificial outer power that the water body of the polyacrylamide of evenly splashing is stirred, to accelerate flocculation rate and to improve flocculating effect;
3. the frond precipitation promptly begins precipitation after the blue-green algae flocculation;
(2), decompose frond, elimination stink
After blue-green algae was by flocculation sediment, the algae reodorant that disappears of splashing can make the blue-green algae that sinks under water and the stink of water body be cleared up, and its consumption is every cubic metre 100～500 gram, and selection principle is to determine that according to the blue-green algae amount blue-green algae is measured big capping, on the contrary the limit of taking off;
(3), purification of water quality
Decompose frond in process, after the elimination stink step, follow these steps to carry out purification of water quality:
1. the compound microbial water preparation of splashing, consumption is 20～100 milliliters every cubic metre, selection principle is to determine that according to the blue-green algae amount blue-green algae is measured big capping, on the contrary the limit of taking off;
2. throw in waterweed or Herba Eichhorniae, injected volume is 1～5 kilogram every square metre, and selection principle is to determine that according to the blue-green algae amount blue-green algae is measured big capping, on the contrary the limit of taking off;
3. throw in the spiral shell class, injected volume is 0.5～1.0 kilogram every square metre, and selection principle is to determine that according to the blue-green algae amount blue-green algae is measured big capping, on the contrary the limit of taking off;
Contain photosynthetic bacterium, Bacillus subtillis, actinomycetes, milk-acid bacteria, yeast in the complex microorganism water preparation, content of microorganisms 〉=500,000,000/milliliter, it has NH in the water of reduction
3, NH
4 +, NO
2 -, NO
3 -, H
2The effect of S objectionable constituent and elimination stink.
2. according to blue-green algae in the described removing water of claim 1 and eliminate the smelly method of algae, it is characterized in that: described flocculation agent is a polyacrylamide, first water is dissolved into the aqueous solution with polyacrylamide before using, and splashes then in containing the water body of blue-green algae, and it can make blue-green algae produce throwing out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100302392A CN101508505B (en) | 2009-03-23 | 2009-03-23 | Method for removing blue algae in water and reducing algae stench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100302392A CN101508505B (en) | 2009-03-23 | 2009-03-23 | Method for removing blue algae in water and reducing algae stench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101508505A CN101508505A (en) | 2009-08-19 |
| CN101508505B true CN101508505B (en) | 2011-07-13 |
Family
ID=41001064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100302392A Expired - Fee Related CN101508505B (en) | 2009-03-23 | 2009-03-23 | Method for removing blue algae in water and reducing algae stench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101508505B (en) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102531245B (en) * | 2010-12-22 | 2014-10-22 | 淮海工学院 | Method for treating water bloom blue-green algae harmlessly |
| CN102295333B (en) * | 2011-06-15 | 2012-10-17 | 中国科学院南京地理与湖泊研究所 | Removing method of overwintering water-blooming cyanobacteria provenance in large-scale shallow lake |
| CN103641223B (en) * | 2013-12-12 | 2014-12-31 | 中国科学院南京地理与湖泊研究所 | Method for repairing black and odorous water caused by aquatic plant decay in lake |
| CN104355414A (en) * | 2014-11-28 | 2015-02-18 | 湖南农业大学 | Method for removing cyanobacterial bloom from water body by using macleaya cordata fruit pods |
| CN105002110B (en) * | 2015-06-25 | 2018-09-11 | 北京致清源环保科技有限公司 | Complex microorganism preparations and its application in the processing of algal bloom water body |
| CN105441352A (en) * | 2015-09-16 | 2016-03-30 | 广州金水动物保健品有限公司 | Compound microorganism water stabilizing preparation |
| CN105505818A (en) * | 2015-12-16 | 2016-04-20 | 徐州工程学院 | Preparation method of environment-friendly fungus chaff ferment |
| CN105585135A (en) * | 2015-12-23 | 2016-05-18 | 天津荣利生物科技发展有限公司 | Method for controlling cyanobacteria in aquaculture water |
| CN105941508A (en) * | 2016-03-23 | 2016-09-21 | 绩溪袁稻农业产业科技有限公司 | Modified-plant-ash blue-green algae inhibitor and preparation method thereof |
| CN105941481A (en) * | 2016-03-23 | 2016-09-21 | 绩溪袁稻农业产业科技有限公司 | Aluminum-pillared montmorillonite blue-green algae inhibitor and preparation method thereof |
| CN105949410A (en) * | 2016-03-23 | 2016-09-21 | 绩溪袁稻农业产业科技有限公司 | Silica-sol-modified-rice-hull-ash blue-green algae inhibitor and preparation method thereof |
| CN105941507A (en) * | 2016-03-23 | 2016-09-21 | 绩溪袁稻农业产业科技有限公司 | Modified-coal-ash-slag blue-green algae inhibitor and preparation method thereof |
| CN105941506A (en) * | 2016-03-23 | 2016-09-21 | 绩溪袁稻农业产业科技有限公司 | Modified-oil-shale-slag blue-green algae inhibitor and preparation method thereof |
| CN105801780A (en) * | 2016-04-12 | 2016-07-27 | 芜湖凯奥尔环保科技有限公司 | Sepiolite-cellulose acetate composite blue algae inhibitor and preparation method thereof |
| CN105794876A (en) * | 2016-04-12 | 2016-07-27 | 芜湖凯奥尔环保科技有限公司 | Modified walnut shell and blue algae inhibitor and preparation method thereof |
| CN105851088A (en) * | 2016-04-12 | 2016-08-17 | 芜湖凯奥尔环保科技有限公司 | Peanut shell-potassium titanate whisker composite blue alga inhibitor and preparation method thereof |
| CN105746580A (en) * | 2016-04-12 | 2016-07-13 | 芜湖凯奥尔环保科技有限公司 | Activated clay-zirconia composite blue-green algae inhibitor and preparation method thereof |
| CN105831182A (en) * | 2016-04-12 | 2016-08-10 | 芜湖凯奥尔环保科技有限公司 | A modified brewer's grain inhibitor for blue-green algae and a preparing method thereof |
| CN105794875A (en) * | 2016-04-12 | 2016-07-27 | 芜湖凯奥尔环保科技有限公司 | Diatomaceous earth-yttrium aluminum garnet composite blue algae inhibitor and preparation method thereof |
| CN105851089A (en) * | 2016-04-12 | 2016-08-17 | 芜湖凯奥尔环保科技有限公司 | Water chestnut peel extract-containing blue alga inhibitor and preparation method thereof |
| CN105831173A (en) * | 2016-04-12 | 2016-08-10 | 芜湖凯奥尔环保科技有限公司 | A blue-green algae treating agent containing waste tobacco stems and a preparing method thereof |
| CN106105717A (en) * | 2016-07-06 | 2016-11-16 | 溧阳市金泉生态科技园有限公司 | Cyanophyceae is administered with aquatic pasture and water implantation methods |
| CN107698027A (en) * | 2017-09-27 | 2018-02-16 | 浙江海洋大学 | A kind of method that Algae toxins in water body are filtered out using shellfish |
| CN108033573B (en) * | 2017-12-22 | 2020-08-14 | 无锡三智生物科技有限公司 | Method for preventing and controlling blue algae in water body |
| CN109019711A (en) * | 2018-07-27 | 2018-12-18 | 无锡市智者水生态环境工程有限公司 | It is a kind of to eliminate the rancid plant source deodorant and preparation method thereof of cyanobacterial bloom |
| CN112830558B (en) * | 2020-12-31 | 2022-10-04 | 江西省水利科学院 | Selectively-killing and inactivated blue algae-removing modified soil and preparation method thereof |
| CN113149339B (en) * | 2021-03-24 | 2023-02-07 | 中国科学院生态环境研究中心 | Composite material for treating blue algae bloom and its use |
| CN114524523A (en) * | 2022-01-27 | 2022-05-24 | 湖南海澍环保科技有限公司 | Environment-friendly efficient composite biological algaecide and preparation process thereof |
| CN114794160B (en) * | 2022-04-22 | 2023-09-12 | 中冶华天工程技术有限公司 | Method for harvesting plants by utilizing wetland in recycling manner |
| CN115490340B (en) * | 2022-05-16 | 2023-08-22 | 华中科技大学 | Denitrification dephosphorization algaecide, preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4649110A (en) * | 1982-07-29 | 1987-03-10 | Solmat Systems, Ltd. | Polymeric substance, and method of separating and culturing bacteria to provide polymeric substance useful in liquid clarification and soil conditioning |
| EP0930273B1 (en) * | 1998-01-20 | 2001-05-16 | Alwin Dipl.-Ing Eppler | Method and device for the treatment of surface water with a high algae content |
| CN1359860A (en) * | 2000-12-20 | 2002-07-24 | 中国科学院生态环境研究中心 | Process for removing microalgin from water by ferric oxidizing |
| CN101293695A (en) * | 2008-06-20 | 2008-10-29 | 同济大学 | Potassium ferrate-photocatalysis oxidation method and apparatus |
-
2009
- 2009-03-23 CN CN2009100302392A patent/CN101508505B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4649110A (en) * | 1982-07-29 | 1987-03-10 | Solmat Systems, Ltd. | Polymeric substance, and method of separating and culturing bacteria to provide polymeric substance useful in liquid clarification and soil conditioning |
| EP0930273B1 (en) * | 1998-01-20 | 2001-05-16 | Alwin Dipl.-Ing Eppler | Method and device for the treatment of surface water with a high algae content |
| CN1359860A (en) * | 2000-12-20 | 2002-07-24 | 中国科学院生态环境研究中心 | Process for removing microalgin from water by ferric oxidizing |
| CN101293695A (en) * | 2008-06-20 | 2008-10-29 | 同济大学 | Potassium ferrate-photocatalysis oxidation method and apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 黄惠燕等.新型除臭剂与活性炭联合投加去除水体异臭味.《中国给水排水》.2007,第23卷(第2期),83-85. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101508505A (en) | 2009-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101508505B (en) | Method for removing blue algae in water and reducing algae stench | |
| CN102050523B (en) | Method for treatment and in-situ ecological restoration of black and stink riverway by using microorganism | |
| US8133391B2 (en) | Method of ecological restoration of water bodies containing excess nutrient | |
| CN103820427A (en) | Preparation method of microbial water quality purifying fungicide | |
| CN101306867A (en) | High-efficiency purifier of biological enzyme | |
| CN104843876A (en) | Microbial preparation for purifying water and improving water quality | |
| CN106396112A (en) | Composite system used for purifying high ammonia nitrogen pig breeding biogas slurry via algae-bacterium symbiosis/ecological floating bed combined technology | |
| CN101885543A (en) | Method for effectively treating sewage by using both microbial cells and enzyme preparations | |
| CN100519437C (en) | Composite type inorganic polymer water quality purifier and method of magnetic gathering algae eliminating | |
| CN101823812A (en) | Method for treating pollution biogas slurry of poultry and livestock breeding | |
| CN101397166A (en) | Target loop type ecological restoration for natural water body drinking water sources and water quality improvement technique | |
| CN105016579A (en) | Rural sewage treatment system | |
| CN109052834A (en) | A kind of administering method of eutrophication water | |
| CN111072219A (en) | Method for controlling eutrophication of wetland pre-pond | |
| CN103131688B (en) | Preparation method for corncob and/or straw bearing photosynthetic bacteria and application thereof | |
| CN111204932A (en) | Sewage purification treatment method | |
| KR20200120481A (en) | Loess fermentation strain composition for water purification and water purification method using the same | |
| CN1340462A (en) | Bacillus subtilis method for biologically repairing culture environment of aquatic products | |
| CN210620557U (en) | Water body sediment repair system | |
| CN204981491U (en) | Rural sewage treatment plant | |
| CN104003576A (en) | Eutrophic water body phycomycete symbiosis purification technique | |
| CN102583704A (en) | Processing method of ecological sewage | |
| CN103787489B (en) | A kind of water treatment method | |
| CN1290776C (en) | Discharging technology for livestock feces sewage treatment to reach standard | |
| CN112520840A (en) | Can regulate and control nitrogen concentration and carry out ecological pond system of quality of water oxygenation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20170323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |