CN101948186B - Comprehensive treatment method for repairing in-situ biological diversity in rivers and lakes - Google Patents
Comprehensive treatment method for repairing in-situ biological diversity in rivers and lakes Download PDFInfo
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- CN101948186B CN101948186B CN2010102685490A CN201010268549A CN101948186B CN 101948186 B CN101948186 B CN 101948186B CN 2010102685490 A CN2010102685490 A CN 2010102685490A CN 201010268549 A CN201010268549 A CN 201010268549A CN 101948186 B CN101948186 B CN 101948186B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a comprehensive treatment method for repairing the in-situ biological diversity in rivers and lakes, which is characterized in that the bottom sediments in water areas are quickly purified by taking indigenous bacteria from the rives and the lakes and regulating the pH value; the colonization of the original zoological biological diversity is strengthened by utilizing the nutrition preparation of a PU (Polyurethane) hydrolysis bubble film to degrade organic pollutants. The invention has the advantages that foreign ecological strains are not introduced, thus no variety appears, no secondary or micro-pollution nuisance appears; an automatic aerator is not arranged and sludge is not cleaned, thus the operation and maintenance cost and the investment of equipment are greatly reduced, the effect is obvious and good; and the cannel drainage function and the natural purification function are not influenced in the course of treatment and after the treatment.
Description
[technical field]
This area belongs to field of environment protection, is specifically related to the comprehensive processing method that lake, river biology in situ diversity that a kind of indigenous bacterium multiplication culture technology of purificating and rejuvenating takes as the leading factor is repaired.Be widely used in cutting dirty not thoroughly, can't cut dirt enter pipe network, for the moment can't desilting the river gush, sealing and semiclosed eutrophic water bodies such as lake, reservoir, aquaculture pond, be subjected to the lake, river of tidal effect variation to carry out the recovery of ecosystem species diversity.
[background technology]
Because Economic development, the increasing sharply of the convenient city population of transport hub, the people's standard of living improves, the expansion of urban and rural areas scale, in the past as view, irrigate, drain off floodwaters, store, receive dirty lake, the river black smelly phenomenon of ubiquity.
Smelly basic reason is deceived in the lake, river following emphasis: 1, the dirty shunting of rain: though dense population areas construction sanitary sewage concentrates pipe network to cut dirt to sewage work, the sewage of population from other places's washing clothes of rental house enters water drain from balcony makes section dirty function incomplete; 2, old district septic tank is in line; 3,3 kitchens are surplus and grease is in line; 4, make the lake, river be equipped with the breeding that the water yield is lower than species diversity because of cutting dirty cutout; 5, trade effluent is in line or not reach emission standard in line; 6, steal cause or domestic refuse, discarded soil.
Because entering and depositing of organic pollutant causes dystrophication thing amount to surpass environmental capacity.Biochemical decomposition and temperature variation consume a large amount of dissolved oxygen in the water body, make water body and bed mud become double, anaerobic state, hold concurrently, under the effect of anaerobion, organic pollutant decomposes generation black glue pterophorid, methane biogas and foul smell, cause lake, river biological death or larva to hatch, fish, shrimp, shellfish living environment are severe more.
The key of administering dystrophication is that a section dirt continues to flow, desilting does not change dirty and recovers the normal ecological chain of lake, river species diversity system.But current river is gushed regulation and is taked engineering measure very unreasonable, cuts the dirt lake water source, river that promptly stops and must rely on flood season, and the species diversity major part is loss during dry season; Remove contamination mud, moisturizing, water transfer also only is to shift that mud pollutes and the dilution water body is transferred to the downstream, causes water area water-quality to worsen more; Sometimes also in the lake, river, construct hardware facility or oxygenating machine is set.
[summary of the invention]
The purpose of this invention is to provide the comprehensive processing method that lake, a kind of river biology in situ diversity is repaired, oxygenating machine is not set and does not remove mud, and instant effect and effective.
Above-mentioned purpose is achieved through the following technical solutions:
The comprehensive processing method that lake, a kind of river biology in situ diversity is repaired is characterized in that, may further comprise the steps:
1) extract river lakebed mud sample, separate and obtain needed indigenous bacterium: anaerobism reaches the oxygen bacterial strain of holding concurrently, and increases numerous indigenous bacterium then, adjusts via anaerobism to make indigenous bacterium reach dormant state again, gets indigenous bacterium and cultivates mud;
2) the indigenous bacterium piece of preparation: the water ratio of getting 61-65% weight is that the indigenous bacterium of 48-55% is cultivated the calcium hydroxide Ca (OH) of mud, 23-28% weight
2, the sugar nibs of 2-3% weight, the calcium peroxide CaO of 1.5-3% weight
2With the glutinous paste of 4-5.5% weight, send into the indigenous bacterium piece that mould inner pressure goes out into different shape after stirring with above material is mixing;
3) set up three grades of biochemistry pool A
2/ O control external source is polluted;
4) adjust the water PH value in lake, river with the alkaline 0.05-0.15 that raises;
5) drop into described indigenous bacterium piece;
6) throw in the biological preparation that promotes in waters;
7) throw in the oxygenation agent, being waters complement lysis oxygen in good time;
8) drop into PU hydrolysis vacuolar membrane;
Being prepared as follows of described PU hydrolysis vacuolar membrane: promote the biological plain water-disintegrable PU material mixing of natto plant polysaccharides kinases that promotes preparation, 1.5-2.5% weight in the waters of preparation, 10-14% weight evenly to stir the back the indigenous bacterium of 14-18% weight and in mould, carry out foaming, make PU hydrolysis vacuolar membrane with 67-73% weight;
9) raise and train biophase, support river spiral shell and at least three kinds of fish again;
10) basic biodiversity restoration is finished the waters self-purification capacity.
In step 1), in the described process that increases numerous indigenous bacterium, select sole carbon source for use.
In step 2) in, the water ratio of getting 64% weight is that the indigenous bacterium of 48-55% is cultivated the calcium hydroxide Ca (OH) of mud, 27% weight
2, the sugar nibs of 3% weight, the calcium peroxide CaO of 2% weight
2With the glutinous paste of 4% weight, send into the indigenous bacterium piece that mould inner pressure goes out into different shape after stirring with above material is mixing.
In step 7), described oxygenation agent is a calcium peroxide.
In step 8), promoting the biological plain water-disintegrable PU material mixing with 70% weight of natto plant polysaccharides kinases that promotes preparation, 2% weight in the waters of preparation, 12% weight evenly to stir the back the indigenous bacterium of 16% weight carries out foaming, makes PU hydrolysis vacuolar membrane in mould.
The present invention concentrated section dirt continue to flow, with dirty pollution treatment and a whole set of complete technical measures of biological multiplication culture engineering, implementation process will be made the design and the adjustment of suiting measures to local conditions according to dystrophication situation, pollution load and surrounding environment; From technological layer, Xiang Hehu get its indigenous bacterium and adjust pH value make waters bed mud fast purification and utilize the nutritional formulation of PU hydrolysis vacuolar membrane strengthen the ecosystem species diversity to plant a colony with degradable organic pollutant be main shaft of the present invention; On specific implementation method, the engineering measure is workable, and applicable to lake, individual kind of river ecology, effect is determined and be obvious.
The present invention has following characteristic and advantage: needn't introduce external ecological bacterial classification does not have the mutation secret worry, does not produce secondary or micropollution public hazards; Oxygenating machine is not set and does not remove mud, reduced operation maintenance expense and facility investment in a large number, and instant effect and effective; Do not influence the river after governance process and the improvement and gush drain function and natural purification function.
[description of drawings]
Fig. 1 is a schema of the present invention.
[embodiment]
Before administering the lake, river, earlier lake, river ecology and source of pollution are investigated: administer the flow, flow velocity in investigation lake, river before the lake, river, the water yield, blowdown flow rate and biophase fully, check the index data of the projects such as COD, BOD, ammonia nitrogen, total nitrogen, total phosphorus, dissolved oxygen and pH value of industrial sewage, sanitary sewage and river lake water, set up base profile, begin the comprehensive regulation again.
As shown in Figure 1, the comprehensive processing method of lake, river biology in situ diversity reparation is as follows:
1, the indigenous bacterium multiplication culture of purification and rejuvenation
Extract river lakebed mud sample, separate and obtain needed indigenous bacterium: the anaerobism and the oxygen bacterial strain of holding concurrently, increase numerous indigenous bacterium quantity then, generally make every gram cultivate in the mud and contain 10
3To 10
5Individual indigenous bacterium is adjusted via anaerobism and makes indigenous bacterium reach dormant state, indigenous bacterium is cultivated mud.
The common method that indigenous bacterium is obtained in above-mentioned separation has isolation by dilution method, line partition method and tissue isolation.
Increase numerous indigenous bacterium quantity and be the substratum (as nutritive ingredient) by preparation, select certain culture condition (as culture temperature, substratum potential of hydrogen etc.) to control, these methods are known to those skilled in the art.Utilizing the characteristics of carbon source according to microorganism, can select sugar, starch, Mierocrystalline cellulose etc., in the process that increases numerous indigenous bacterium quantity, be sole carbon source with a kind of food wherein, utilizes the microorganism of this carbon source could a large amount of normal growths.
2, the indigenous bacterium piece of preparation
The water ratio of getting 61-65% weight is that the indigenous bacterium of 48-55% is cultivated the calcium hydroxide Ca (OH) of mud, 23-28% weight
2, the sugar nibs of 2-3% weight, the calcium peroxide CaO of 1.5-3% weight
2With the glutinous paste of 4-5.5% weight, send into the indigenous bacterium piece that mould inner pressure goes out into different shape after stirring with above material is mixing; Wherein, calcium hydroxide Ca (OH)
2, sugar nibs, calcium peroxide CaO
2With glutinous paste be shaping agent.
Wherein, preferably in following ratio proportioning: the water ratio of 64% weight is that the indigenous bacterium of 48-55% is cultivated the calcium hydroxide Ca (OH) of mud, 27% weight
2, the sugar nibs of 3% weight, the calcium peroxide CaO of 2% weight
2Glutinous paste with 4% weight.
3, set up three grades of biochemistry pool A
2/ O control external source is polluted
Set up three grades of biochemistry pool A
2/ O control external source is polluted, and cuts a dirt and continues to flow, and reduces the impact that external source is polluted, and can be the lake, river and replenish the accumulation that fresh water normality running water flows to be increased dissolved oxygen and reduce bed mud, makes drainning off floodwaters property, self-purification capacity better.
4, adjust water PH value with the alkaline 0.05-0.15 that raises, make waters bed mud fast purification
Drop into alkaline matter, for example lime, sheet alkali etc. utilize in the alkaline matter and acidity, adjust the bed mud instable layer.
It is acid that the bed mud instable layer generally is, its existence is held concurrently, is detested state and presents the black glue pterophorid of tart, and silt is alkaline state, because of neutralization and the black glue pterophorid of potential difference relation bind with silt, make silt become mud, when the adjustment water PH value, black glue pterophorid breaks away from silt naturally, sediment deposition becomes bed mud, and black glue pterophorid emerges, and is subjected to pneumatic or current are concentrated a place to drag for to remove again; Not only make atom break away from constraint in scavenging process, aerobic microbiological system has also obtained activation.
5, drop into indigenous bacterium piece
Capacity with the lake, river is the input amount basis, and ten thousand tons of water of every 3-5 are just thrown 1 ton of indigenous bacterium piece; Preferably drop into upstream, sewage draining exit or shunting place (can certainly drop into equably in the lake, river) in sampling lake, river; By double, the anaerobism ecotope of bottom water layer, the indigenous bacterium in the indigenous bacterium piece breeds rapidly and decomposing organic pollutant in the Lake Water Body of river, turns black smelly to eliminate the lake, river; Original inhabitants' bacteria microorganism is that the hugest producer of occurring in nature also is that the biology in situ diversity is recovered most basic productivity; Original inhabitants' bacteria microorganism is the natural microbial of the ecological species of original position, and no gene recombination and mutation process do not contain pathogenic bacterium, lifeless matter security secret worry.
6, throw in the biological preparation that promotes in waters, for example glucose, flour, milk powder, sugar etc. are hatched the atom of bed mud, are the input amount basis with the capacity in lake, river, and ten thousand tons of water of every 15-50 are just thrown 1 ton.
7, throw in oxygenation agent, for example calcium peroxide CaO
2, be waters complement lysis oxygen in good time, input amount generally drops into 2-5g by every cubic metre of water.
8, drop into PU hydrolysis vacuolar membrane
Promoting the biological plain water-disintegrable PU material mixing with 67-73% weight of natto plant polysaccharides kinases that promotes preparation, 1.5-2.5% weight in the waters of preparation, 10-14% weight evenly to stir the back the indigenous bacterium of 14-18% weight carries out foaming, makes PU hydrolysis vacuolar membrane in mould.The original inhabitants bacterium promotes that preparation can be nutrition sources such as glucose, flour, sugar, compound draft purification thing or plant polysaccharides.
Wherein, preferably in following ratio proportioning: the indigenous bacterium of 16% weight promotes the biological natto plant polysaccharides kinases element of preparation, 2% weight and the water-disintegrable PU material of 70% weight of promoting in the waters of preparation, 12% weight.
Wherein, water-disintegrable PU material can be made by the polyurethane(s) of 55% weight, the zinc oxide of 2% weight, the zinc of 2.5% weight, the ST stearic acid of 4% weight and the water of 36.5% weight.
Preferably PU hydrolysis vacuolar membrane is colonizated in upstream, river course, sewage draining exit or shunting place (definite value is in the lake, river equably), input amount generally drops into 7-12g by every cubic metre of water; PU hydrolysis vacuolar membrane goes out the basic nutrition source of lake water territory, river species diversity with the hydrolysis slowly-releasing, non-once disengages the rainwater washout consumption that reduces flood season or the consumption of solar evaporation in dry season, micro-organotrophy source is provided constantly for ecological microorganism, can breed with strengthening by stabilate basis life, making full use of the Metabolic activity of microorganism, organic pollutant in the degradation water is subdued the lake, river and is received dirty total amount, keep the water body species diversity eubiosis, guarantee regulation effect in stablizing.
The operation of above step is like this: set up three grades of biochemistry pool A
2/ O adjusts water PH value then and (certainly, sets up three grades of biochemistry pool A
2/ O and adjustment water PH value can carry out simultaneously), the indigenous bacterium piece that the property input is enough, waters biology promote preparation, oxygenation agent and PU hydrolysis vacuolar membrane again, these four kinds of materials can also can be criticized the people by difference and finish input simultaneously by finishing input in succession with a group of people.
Above step is as the main basis of species diversity restoration of the ecosystem, directly act on waters ecology, change the ecology of bed mud instable layer rapidly, bed mud instable layer (nonactive mud) changes into bed mud stabilizing layer (active sludge), discharge atom and microorganism, increase double, the ecological indigenous bacterium of anaerobism, activate double, the ecological indigenous bacterium of anaerobism of bed mud stabilizing layer in conjunction with indigenous bacterium promotor, to disengage more oxygen and aerobic environment be provided, degradable organic pollutant and removal sulfide are eliminated the lake, river at all and are turned black smelly rapidly.
9, raise and train biophase, multiple at least three kinds of fish and the river spiral shell of supporting specifically comprises: according to the particular case after the water body quality change, cultivate the ecosystem biological original appearances such as atom, red worm, fish and river spiral shell of swimming.
10, basic biodiversity restoration forms the waters self-purification capacity, for keeping water conditioning, is keeping three grades of biochemistry pool A
2Under the basis that/O control external source is polluted, continue moderately to add PU hydrolysis vacuolar membrane, with the progressive ground Table V class water of reaching.
This comprehensive processing method is through test in place repeatedly, and is respond well.Wish that with Kunshan City, Jiangsu Province economic and technological development zone (length: 700m, width: 8～9m, the degree of depth: 0.8～1.2m) improvement in 2009 are example to river course, tame village, often used in village names river, from having investigated the back and having set up three grades of biochemistry pool A
2/ O and carry out indigenous bacterium piece and PU hydrolysis vacuolar membrane, began March 6 to administer, the water body deodorizing took effect really in two days, and water body is by the little green or little Huang of black change after the week, and water body reaches the condition of suitable fish existence substantially after one month, begin to recover river lacustrine fishes activity (Xiang Hehu drops into fry), two months parasitic banks of back river spiral shell, it is green that the water body color is gradually changeed, and dissolved oxygen improves, organism in water breeds stable mutually, microorganism by hold concurrently, anaerobism is to aerobic succession; River lakebed mud becomes grey black by black gradually and becomes drabon look then again, the withered sheet of the visible a small amount of blue-green algae of the water surface, and bed mud thickness reduces, and salinity improves; Whole reaching eliminated the requirement of deceiving smelly and species diversity after 3 months.
Before and after administering, and entrust city of Kunshan environmental monitoring station to do the water quality analysis report, through the data contrast, water quality has clear improvement.
The present invention is not limited to the foregoing description, based on simple replacement the foregoing description, that do not make creative work, should belong to the scope that the present invention discloses.
Claims (5)
1. the comprehensive processing method of lake, river biology in situ diversity reparation is characterized in that, may further comprise the steps:
1) extract river lakebed mud sample, separate and obtain needed indigenous bacterium: anaerobism reaches the oxygen bacterial strain of holding concurrently, and increases numerous indigenous bacterium then, adjusts via anaerobism to make indigenous bacterium reach dormant state again, gets indigenous bacterium and cultivates mud;
2) the indigenous bacterium piece of preparation: the water ratio of getting 61-65% weight is that the indigenous bacterium of 48-55% is cultivated the calcium hydroxide Ca (OH) of mud, 23-28% weight
2, the sugar nibs of 2-3% weight, the calcium peroxide CaO of 1.5-3% weight
2With the glutinous paste of 4-5.5% weight, send into the indigenous bacterium piece that mould inner pressure goes out into different shape after stirring with above material is mixing;
3) set up three grades of biochemistry pool A
2/ O control external source is polluted;
4) adjust water PH value with the alkaline 0.05-0.15 that raises;
5) Xiang Hehu drops into described indigenous bacterium piece;
6) Xiang Hehu throws in the biological preparation that promotes in waters;
7) Xiang Hehu throws in the oxygenation agent, being waters complement lysis oxygen in good time;
8) Xiang Hehu drops into PU hydrolysis vacuolar membrane;
Being prepared as follows of described PU hydrolysis vacuolar membrane: promote the biological plain water-disintegrable PU material mixing of natto plant polysaccharides kinases that promotes preparation, 1.5-2.5% weight in the waters of preparation, 10-14% weight evenly to stir the back the indigenous bacterium of 14-18% weight and in mould, carry out foaming, make PU hydrolysis vacuolar membrane with 67-73% weight;
9) raise and train biophase, support river spiral shell and at least three kinds of fish again;
10) basic biodiversity restoration is finished the waters self-purification capacity.
2. comprehensive processing method according to claim 1 is characterized in that, in step 1), in the described process that increases numerous indigenous bacterium, selects sole carbon source for use.
3. comprehensive processing method according to claim 1 is characterized in that, in step 2) in, the water ratio of getting 64% weight is that the indigenous bacterium of 48-55% is cultivated the calcium hydroxide Ca (OH) of mud, 27% weight
2, the sugar nibs of 3% weight, the calcium peroxide CaO of 2% weight
2With the glutinous paste of 4% weight, send into the indigenous bacterium piece that mould inner pressure goes out into different shape after stirring with above material is mixing.
4. comprehensive processing method according to claim 1 is characterized in that, in step 7), described oxygenation agent is a calcium peroxide.
5. comprehensive processing method according to claim 1, it is characterized in that, in step 8), promoting the biological plain water-disintegrable PU material mixing with 70% weight of natto plant polysaccharides kinases that promotes preparation, 2% weight in the waters of preparation, 12% weight evenly to stir the back the indigenous bacterium of 16% weight carries out foaming, makes PU hydrolysis vacuolar membrane in mould.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102914627B (en) * | 2012-10-15 | 2015-05-06 | 浙江大学 | In-situ monitoring device for self-purification capacity of pollutants in shallow water area |
| CN103523998B (en) * | 2013-10-22 | 2015-12-02 | 江苏江达生态科技有限公司 | A kind of purifying method controlling extraneous contamination source and the black smelly river course of restoration of the ecosystem |
| CN105373691A (en) * | 2014-08-25 | 2016-03-02 | 中国环境科学研究院 | Attribution technology for identifying influences on biodiversity evolution due to climatic variation |
| CN107162209A (en) * | 2017-05-22 | 2017-09-15 | 浙江阿凡柯达环保科技有限公司 | A kind of biological dredging method of polluted water body in-situ |
| CN110846046A (en) * | 2019-11-28 | 2020-02-28 | 浙江海洋大学 | Composite repairing agent for organic contaminated soil, preparation method and application thereof |
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| CN1690190A (en) * | 2004-04-21 | 2005-11-02 | 中国科学院广州地球化学研究所 | Process for preparing immobilization compound microorganism preparation for controlling secondary pollution of river channel bed mud |
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| JP2005028217A (en) * | 2003-07-07 | 2005-02-03 | Kyowa Jigyo:Kk | Water cleaning system for lake and marsh, river, and the like |
| JP5113557B2 (en) * | 2008-03-04 | 2013-01-09 | 一般財団法人電力中央研究所 | Microorganism reducing hexavalent chromium and environmental purification method using the microorganism |
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| CN1690190A (en) * | 2004-04-21 | 2005-11-02 | 中国科学院广州地球化学研究所 | Process for preparing immobilization compound microorganism preparation for controlling secondary pollution of river channel bed mud |
| CN1880583A (en) * | 2005-06-17 | 2006-12-20 | 中国环境科学研究院 | Process for recovery of coastal natural wetland and multistage antisoil regulation and control technology therefor |
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