CN101381166A - Pollutant in water body of river, lake and landscape water strengthening reduction method using biological mode - Google Patents
Pollutant in water body of river, lake and landscape water strengthening reduction method using biological mode Download PDFInfo
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- CN101381166A CN101381166A CNA2008101972039A CN200810197203A CN101381166A CN 101381166 A CN101381166 A CN 101381166A CN A2008101972039 A CNA2008101972039 A CN A2008101972039A CN 200810197203 A CN200810197203 A CN 200810197203A CN 101381166 A CN101381166 A CN 101381166A
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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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- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The present invention relates to a method for biologically intensified reduction of water contaminant in rivers, a lakes and scenic waters. A microbial inoculant product which has high water contaminant removal performance is obtained by the biotechnologies, such as microbe isolation, microbe purification, microbe domestication, microbe intermediate culture. The product is put into the polluted water so as to carry out biochemical purification of the water contaminant. Meanwhile, flexible adhesion carriers are arranged in the water to provide adhesion locations for microbial flora so that the microbial flora is propagated on the carriers to form a biomembrane with the microbial flora as the main body. The method, cooperating with the artificial reaeration and the water plug flow technologies, can intensify the capacitance of water contaminant purification, and achieve the aims of treating the polluted water, such as rivers, lakes, scenic water, and the like, and restoring the benign water ecological environment of the water. By adopting the method, the content of the contaminant in the water can be significantly reduced, the aim of water purification can be achieved, and the environmental capacity of the water can be improved with the capacitance of resisting pollution impact kept for a long time. In the operation process, secondary pollution is avoided.
Description
Technical field
The present invention relates to a kind of river, lake, landscape water water pollutant strengthening reduction method using biological mode.
Background technology
River, lake, landscape water water body are the main existence forms of land water body, also are the important places of environmental pollutant degraded and decomposition.Environmental pollutant by many-sided effect such as physics, chemistry, the biologies separated or decomposition of these water bodys to being received, the water pollution substrate concentration is reduced gradually, substantially or fully return to the state of being received before the pollutent after after a while, this process is the natural reduction process of land water body water pollutant, what show as water body self purifies (self purification of water body, self-purification of water body).
The process complexity that the water pollutant of river, lake, landscape water water body is cut down is naturally divided from mechanism, mainly comprises following process:
A, physical process mainly comprise processes such as dilution, diffusion, volatilization, precipitation.After sewage or pollutent entered the land water body, the settleability solid was sink to the water-bed mud that forms gradually.Suspensoid, colloid and dissolubility pollutant then reduce concentration gradually because of mixed diluting.Sewage enters water body must just can reach mixing fully through quite long distance or the concentration diffusion of long duration etc., reach the influence that the complete blended time is subjected to many factors, comprise kind and concentration or the in-position and the pattern etc. of flow, flow velocity, hydrologic condition and the pollutent of water body current.
B, chemistry and physical and chemical process mainly comprise processes such as oxidation, reduction, absorption, cohesion, neutralization.The generation of chemical reaction and depend on sewage and the concrete situation of water body in the chemical purification process.As under certain condition, insoluble sulfide can be oxidized to the vitriol of processable in the water body; The compound of soluble ferrous iron, manganese can be converted into the oxyhydroxide of dissolved ferric iron, tetravalence manganese hardly and precipitate.And for example silicon, aluminum oxide colloid or polynite in the water body, kaolin one class colloidalmaterial, can adsorb various positively charged ions or negatively charged ion and with pollutent cohesion and precipitation.
C, biology and Biochemical processes are mainly the pollutent that enters in the water body, organic substance particularly, Metabolic activity by microorganism in the water is decomposed and is converted into the process of inorganics, in the ecosystem that water body forms, the protobiont band on the food chain waits, the part waterplant also all in various degree participation the reduction and the purification of water pollutant.Suspend and be dissolved in organic pollutant in the water body, can be when dissolved oxygen is arranged because of the aerobic microbiological effect, oxygenolysis is simple, stable inorganics, as carbonic acid gas, water, nitrate and phosphoric acid salt etc., water body is purified.In this process, consume a certain amount of dissolved oxygen.In simple self-cleaning water body, dissolved oxygen except that water body Central Plains have, mainly from hydrobiont photosynthesis in water surface reoxygenation and the water body.In this process, reoxygenation and oxygen consumption carry out simultaneously.
In the pollutent nature reduction process in the land water body in the ordinary course of things, the mutual weave in of said process comprehensively carries out, and wherein, Biochemical processes and physical process are usually being brought into play main effect.
Summary of the invention
The objective of the invention is at above-mentioned present situation, aim to provide a kind of ability that can promote the purifying contaminated thing of polluted water body, purifying water body progressively, recover the optimum water ecological environment effect of water body, can significantly reduce the content of water pollutant, and can promote the environmental capacity of water body, in operational process, can not form river, lake, the landscape water water pollutant strengthening reduction method using biological mode of secondary pollution.
The implementation of the object of the invention is, river, lake, landscape water water pollutant strengthening reduction method using biological mode, and concrete grammar is as follows:
1) biotechnological means that adopts microorganism separation, purifying, domestication, enlarged culturing to combine obtains and possesses the microbiobacterial agent product that high-performance is removed water pollutant, directly adds the Biochemical processes of strengthening the water body purification pollutent to the target water body,
2) the placement of flexible microorganism species adheres to carrier in the river course, for providing, the microorganism species in the river water body adheres to the place, it is bred on carrier, formation is based on the microbial film of microorganism species, and progressively form ecosystem based on chemoheterotrophy flora, chemoautotrophy flora, protobiont group, low etc., high hydrobiont
3) artificial aeration utilizes underwater portion and water outside part reoxygenation, and underwater portion design has aerator, branch wind pipe, stationary installation under water, and the water outside is set up blast apparatus and air main separately, and air main is with aerator, branch wind pipe is communicated with under water,
4) water body plug-flow technology is utilized the flow model of water body, and multiple spot distributes and sets up plug-flow facility under the liquid under water, promotes water body current benign flow.
The present invention is based on biotechnology, in conjunction with novel sewage disposal device material and method, the reinforcement water body biological chemistry purifying contaminated thing process of shape technology of waste water control, being applied to excess is received town sewage etc. and is caused river, the lake of severe contamination, the waste water control of landscape water water body, promote pollutent self detergent power of this type water body, reach progressively purifying water body, recover the purpose of the optimum water ecological environment of water body, can improve simultaneously the environmental capacity of water body, strengthen the antipollution impact capacity of water body.The present invention possesses following outstanding feature:
1. the microbial population that adopts biotechnological meanss such as microorganism separation, purifying, domestication, enlarged culturing to form some amount is applied in the target water body, not only can form benign little ecosystem fast, form biological chemistry scavenging process efficiently, and, for the water body that partly is subjected to some industrial wastewater pollution, help to set up the difficult pollutent that is purified by former natural purification process in these sewage of degraded;
2. adopt the biomass amplification technique, in water body, lay the microorganism species carrier, what propagation formed on the carrier is the colony that dominant shape becomes with the microorganism, consumption to a certain degree nutritive substances such as the nitrogen in the water, phosphorus, reduced the nutrition concentration of substrate of algae proliferation in the water, the microorganism of part propagation has certain antagonism function to the part algae simultaneously;
3. can adopt technology such as different artificial aeration's modes, the artificial plug-flow of employing according to the pollution situation of water body;
4. the bed mud of polluted water body generally is the black mud based on organic matter, adopt the present invention, near the bed mud top layer dissolved oxygen level can obtain obvious lifting, simultaneously under the situation that current drive, the bed mud top layer diffuses to a little in the water body, after entering the competent water body layer of dissolved oxygen, the bed mud color is converted into the plaster look by black gradually, organic matter wherein will enter the contaminant degradation process of water body, finally obtain degraded, be the mode of biological desilting, this dredging method is with respect to traditional mode in form, and form is more simple, the expense less expenditure;
5. in operational process, can form secondary pollution hardly.
Description of drawings
Fig. 1 is that microorganism species carrier, reoxygenation unit state figure are arranged in the underwater
Fig. 2 is the structural representation of one of artificial aeration's facility
Fig. 3 is two a structural representation of artificial aeration's facility
Fig. 4 is that water body plug-flow device distributes under the liquid, water body flow state synoptic diagram
Embodiment
With reference to Fig. 1,2, the present invention adopts following biological mode to strengthen the pollutent of cutting down in river, lake, the landscape water water body:
1) inoculating microbe regulation and control water body Biochemical processes technology
Little ecosystem that microorganism forms is the main effect source that pollutent is cut down naturally in the water body, little ecosystem is to be that main body forms by a group microorganism, the extracellular enzyme system that produces cooperates intracellular enzyme to utilize water pollutant to carry out biochemical reaction as substrate, finish Metabolic activity, in the biochemical reaction process of Metabolic activity, most common pollutents are able to the degraded of multi-form and different stage, macromolecular substance progressively is degraded to small-molecule substance, with C, N, H, O etc. is most organic pollutants of main component, finally is converted into CO
2, N
2, H
2Forms such as O are cut down.
2) the water pollutant main process of cutting down naturally is to be the biochemical reaction of main body performance with the microorganism species, all kinds of microbial numbers and performance have direct influence to whole Biochemical processes, and the present invention adopts biotechnological meanss such as common microorganism separation, purifying, domestication, enlarged culturing to form the microbial population of some amount.1 time mode placement of flexible microorganism species carrier 2 of water body in the river course according to Fig. 1, for providing, the microorganism species in the river water body adheres to the place, make it on carrier, breed and carry out the biochemistry metabolism process, formation is based on the microbial film of microorganism species, biomass in the water body has greatly increased, consumption to a certain degree nutritive substances such as the nitrogen in the water, phosphorus, reduced the nutrition concentration of substrate of algae proliferation in the water, the microorganism of part propagation has certain antagonism function to the part algae simultaneously, directly promotes water body spatial pollutent and cuts down ability.
3) artificial aeration's technology
River water body is owing to be subjected to multiple effects limit such as flow velocity, flow shape, the speed of self reoxygenation is limited, if received pollutent water body in a long time reoxygenation speed be lower than oxygen consumption rate, water body will present the trend of water quality deterioration, so adopt artificial aeration's mode to promote the reoxygenation speed of water body significantly, can directly control the variation of water quality.
The present invention adopts the artificial aeration's facility shown in Fig. 2,3 to implement reoxygenation.Artificial aeration's facility 3 is positioned on water-bed (see figure 1).Artificial aeration's facility is made up of Ventilator Room 6 and the air main 8 that is attached thereto, and air main 8 connects branch wind pipe 7, is connected with soft micropore aeration pipe 9 (see figure 3)s or microporous diaphragm aeration tube 5 (see figure 2)s on the branch wind pipe.
Branch wind pipe generally adopts U-PVC or PPR tubing, and the blast apparatus in the Ventilator Room generally adopts roots blower, adopts air compressor to obtain the higher wind pressure that goes out under the special situation of part, and air main is generally cast iron pipe, and branch wind pipe is laid by trunk formula mode.
4) employing water body plug-flow technology as shown in Figure 4
The part water body is subjected to the concrete feature of self water surrounding, comes the influence of factors such as water water flow, relatively poor as the water body flowability in the riverbank 4, at temperature difference convection intensity relatively hour, water body is in relative immobilized state substantially, and such water body is difficult for upgrading, natural reaeration intensity is low, pollutent is difficult for diffusion dilution, little ecological form poor stability.
To such water body, press water body environment, distribute under water and set up plug-flow facility 10 under the multiple spot liquid, promoting water body, press among the figure water (flow) direction shown in the arrow 11 mobile.The plug-flow facility is generally selected impeller under sewage submersible pump or the liquid according to practical situation under the liquid.Water body plug-flow technology is strengthened the additional part of reduction technology as the water pollutant biological mode, usually adopt in river water body quality recovery phase and relatively stable period, not only can effectively eliminate the stability of water quality, the possibility that the algae and water of the mobile difference of this class of minimizing that simultaneously can be is to a certain degree grown, in addition, also be to promote one of mode that the water body current contact with the microbial population of amplification.
Claims (3)
1, river, lake, landscape water water pollutant strengthening reduction method using biological mode is characterized in that concrete grammar is as follows:
1) biotechnological means that adopts microorganism separation, purifying, domestication, enlarged culturing to combine obtains and possesses the microbiobacterial agent product that high-performance is removed water pollutant, directly adds the Biochemical processes of strengthening the water body purification pollutent to the target water body,
2) the placement of flexible microorganism species adheres to carrier in the river course, for providing, the microorganism species in the river water body adheres to the place, it is bred on carrier, formation is based on the microbial film of microorganism species, and progressively form ecosystem based on chemoheterotrophy flora, chemoautotrophy flora, protobiont group, low etc., high hydrobiont
3) artificial aeration utilizes underwater portion and water outside part reoxygenation, and underwater portion design has aerator, branch wind pipe, stationary installation under water, and the water outside is set up blast apparatus and air main separately, and air main is with aerator, branch wind pipe is communicated with under water,
4) water body plug-flow technology is utilized the flow model of water body, and multiple spot distributes and sets up plug-flow facility under the liquid under water, promotes water body current benign flow.
2, river according to claim 1, lake, landscape water water pollutant strengthening reduction method using biological mode, it is characterized in that artificial aeration's facility (3) is positioned on the bottom, artificial aeration's facility is made up of Ventilator Room (6) and the air main (8) that is attached thereto, air main (8) connects branch wind pipe (7), is connected with soft micropore aeration pipe (9) or microporous diaphragm aeration tube (5) on the branch wind pipe.
3, river according to claim 1, lake, landscape water water pollutant strengthening reduction method using biological mode is characterized in that the water body plug-flow is to distribute under water to set up plug-flow facility (10) under the multiple spot liquid, promote water body and flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101972039A CN101381166A (en) | 2008-10-08 | 2008-10-08 | Pollutant in water body of river, lake and landscape water strengthening reduction method using biological mode |
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| CNA2008101972039A CN101381166A (en) | 2008-10-08 | 2008-10-08 | Pollutant in water body of river, lake and landscape water strengthening reduction method using biological mode |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276068A (en) * | 2011-05-17 | 2011-12-14 | 襄樊赛洁环保科技有限公司 | River channel ecological construction and water body restoring system |
| CN104418427A (en) * | 2013-08-30 | 2015-03-18 | 俞晨辉 | Water environment ecological management and rehabilitation system and application thereof |
| CN106830365A (en) * | 2017-03-07 | 2017-06-13 | 天津大学 | A kind of biology is removed contamination water quality purification method |
| CN107117775A (en) * | 2017-06-15 | 2017-09-01 | 绍兴水巧科技有限公司 | A kind of sewage-treatment plant of the micro-nano pure oxygen aeration of use and biochemistry ball |
| CN110698012A (en) * | 2019-10-18 | 2020-01-17 | 华南农业大学 | Method for quickly reducing bottom mud of black and odorous river |
-
2008
- 2008-10-08 CN CNA2008101972039A patent/CN101381166A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276068A (en) * | 2011-05-17 | 2011-12-14 | 襄樊赛洁环保科技有限公司 | River channel ecological construction and water body restoring system |
| CN104418427A (en) * | 2013-08-30 | 2015-03-18 | 俞晨辉 | Water environment ecological management and rehabilitation system and application thereof |
| CN104418427B (en) * | 2013-08-30 | 2016-08-10 | 俞晨辉 | A kind of water environment ecological management and repair system and application thereof |
| CN106830365A (en) * | 2017-03-07 | 2017-06-13 | 天津大学 | A kind of biology is removed contamination water quality purification method |
| CN107117775A (en) * | 2017-06-15 | 2017-09-01 | 绍兴水巧科技有限公司 | A kind of sewage-treatment plant of the micro-nano pure oxygen aeration of use and biochemistry ball |
| CN110698012A (en) * | 2019-10-18 | 2020-01-17 | 华南农业大学 | Method for quickly reducing bottom mud of black and odorous river |
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Open date: 20090311 |