CN101607762B - Ecological restoring method of river water body - Google Patents

Ecological restoring method of river water body Download PDF

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Publication number
CN101607762B
CN101607762B CN2009100409671A CN200910040967A CN101607762B CN 101607762 B CN101607762 B CN 101607762B CN 2009100409671 A CN2009100409671 A CN 2009100409671A CN 200910040967 A CN200910040967 A CN 200910040967A CN 101607762 B CN101607762 B CN 101607762B
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river water
water
river
ecological restoring
fungus agent
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CN101607762A (en
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熊幼林
赵亚勋
简川湖
熊盛贵
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DONGGUAN SHENGYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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DONGGUAN SHENGYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40Protecting water resources
    • Y02A20/402River restoration
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention provides an ecological restoring method of a river water body, comprising the following steps: (1) detecting pollution indexes of a river water body; (2) throwing composite microbial agents into a water body according to 5ppm to 9ppm; (3) transferring, translating and degrading matters in the river water body by the composite microbial agents; (4) throwing and/or planting water plants into a river; (5) detecting the pollution indexes of the river water body; and (6) repeating the steps from (2) to (5) from 15 days to 30 days until the river water body conforms to requirements. Each composite microbial agent comprises the components by weight percent: 5 to 10 photosynthetic bacteria, 10 to 15 bacillus subtilis, 5 to 10 nitrifying bacteria, 2 to 5 microzyme, 15 to 20 lactobacillus, 10 to 30 aspergillus, 10 to 30 acetobacter and 20 to 30 actinomyces. The ecological restoring method of a river water body aims at a river water body which carries out eutrophication treatment, leads the river water body to restore the bio-diversity of the river water body, radically restores ecology and has durable effect, low cost and simple use.

Description

Ecological restoring method of river water body
Technical field
The present invention relates to the Ecological Disposal technical field, be specifically related to a kind of ecological restoring method of river water body.
Background technology
The contaminated appearance features in river---black smelly, a large number of nutrients enrichment in water body that mainly is extraneous input causes, a large amount of pollutant sediments forms mud, pollutent in the water body has consumed the dissolved oxygen of water body, the biological beginning of a large amount of aerobic water bodys is dead, the anaerobion population is then very active, cause producing foul smell and many ferrous metal sulfide such as hydrogen sulfide, make that original ecosystem is destroyed in the river course, and run down, final river loses self-purification capacity, progressively becomes black smelly.The influence factor of black smelly river improvement is numerous, and difficulty of governance is big, has become a great problem of puzzlement urban ecological environment.
The water in river is mobile, and water ecological setting changes very frequent, and very big to the impact of biotic population in the water body, its catchment area is very big, so pollution of area source is very big, and the also easier influence that is subjected to point-source pollution.And the lake is for the river, and the water surface is big, storage capacity is big, water body environment is stable, it is very little to flow, and its catchment area is also less, so the pollution of area source in lake is relative with point-source pollution less, water body environment is comparatively stable, also is easier to administer.Therefore, the river is different with the improvement in lake.
Mainly repair the ecosystem at present by controlling endogenous and exogenous nutrition material.The nutraceutical control of endogenous mainly is divided into engineering measure, chemical process, biological einforcement method etc.The engineering measure mainly comprises: diversion dilution, bed mud desilting, bed mud covering etc.; Chemical process is mainly and adds aluminium salt etc.; Biological einforcement method comprises: deep water aeration process etc.
Although prior art can obtain certain effect at the treatment process of river water eutrophication, but because original ecosystem is destroyed, lack species diversity, the river water system impact of environment to external world lacks the buffered ability, therefore, the treatment effect of river water is difficult to keep, and eutrophication pollution once more takes place easily.
Therefore, need a kind of ecological restoring method of river water body of invention to address the above problem.
Summary of the invention
The objective of the invention is at the river water that has carried out eutrophication control, a kind of ecological restoring method of river water body is provided, make river water recover bio-diversity, fundamentally repair ecologically, have that effect is lasting, cost is low, use characteristic of simple.
For achieving the above object, adopt following technical scheme:
A kind of ecological restoring method of river water body comprises the steps:
(1) contamination index of detection river water;
(2) throw in composite fungus agent in water body by 5~9ppm;
(3) material in composite fungus agent transfer, conversion and the degraded river water;
(4) throw in hydrocoles and/or planting aquatic plants to the river;
(5) contamination index of detection river water;
(6) interval is 15-30 days, and repeating step (2)~(5) meet the requirements up to river water
The weight part of described composite fungus agent consists of photosynthetic bacterium 5-10, subtilis 10-15, nitrifier 5-10, yeast 2-5, milk-acid bacteria 15-20, aspergillus tubigensis 10-30, bacillus aceticus 10-30, actinomycetes 20-30; Described hydrocoles comprises bivalves, spiral shell, silver carp, flathead; Described waterplant comprises lotus, duckweed.As the more preferably embodiment of ecological restoring method of river water body of the present invention, described hydrocoles also comprises a kind of or combination in amoeba, flagellate, ciliate, the wheel animalcule.
Photosynthetic bacterium in the described composite fungus agent belongs to the autotrophy microorganism, it is an energy to accept light and heat, with organism or obnoxious flavour is matrix, several physiological active substances such as nitrogenous compound such as synthesizing amino acid, nucleic acid and carbohydrate, these metabolites, the matrix that becomes other microbial reproduction that has.
Subtilis in the described composite fungus agent is a gram-positive microorganism, and 0.6~0.9 * 1.0~1.5 microns of gemma are oval to column, are positioned at thalline central authorities or inclined to one side slightly, and gemma forms the back thalline and do not expand.The bacterium colony surface irregularity is opaque, dirty white or little yellow, and when growing in the liquid medium within, the normal wrinkle mould that forms.Aerophil.Available protein, multiple sugar and starch decompose tryptophane and form indoles.The subtilyne that produces in the subtilis thalli growth process, polymyxin, nystatin, linear gramicidins isoreactivity material, these active substances have the obvious suppression effect to the conditioned pathogen of pathogenic bacterium or autogenous infection; Subtilis consumes the free oxygen in the environment rapidly, promotes the anerobe growth, and produces organic acid such as lactic acid, reduces environment pH value, suppresses other pathogenic bacterium indirectly and grows.
Nitrobacteria in the described composite fungus agent is a kind of aerobic bacteria, can grow in the water of aerobic or in the layer of sand, and playing the part of very important role in nitrogen cycle purification of water quality process.They comprise a kind of bacillus, coccus or the spirobacteria of form inequality type.Belong to the class of property bacterium on one's own account, comprise two kinds of complete different metabolic groups: nitrous acid Pseudomonas and nitric acid Pseudomonas.Nitrite bacteria (claiming ammonia oxidation bacteria again) becomes nitrous acid with ammonia oxidation.Nitrate bacteria (claiming nitrobacteria again) is oxidized to nitric acid with nitrous acid.This two classes bacterium can obtain the growth energy needed respectively from above oxidising process, and ammonia in the soil or ammonium salt must just can change nitrate under the acting in conjunction of above two bacterioids.Nitrobacteria has vital role in the nature Nitrogen Cycling.
The carbohydrate that milk-acid bacteria in the described composite fungus agent obtains with photosynthetic bacterium, yeast is a matrix, produces lactic acid.Because milk-acid bacteria has very strong sterilizing power, particularly suppress the harmful microbe breeding, and organic rapid corrupt the decomposition; Milk-acid bacteria can make the difficult organism that decomposes such as xylogen, Mierocrystalline cellulose decompose.
Yeast in the described composite fungus agent can both be grown in the environment of aerobic and anaerobic, and promptly yeast is a facultative anaerobe, and under the anoxybiotic situation, yeast becomes alcohol and carbonic acid gas to sugar decomposition.Under the situation of aerobic, it becomes carbonic acid gas and water to sugar decomposition, and when aerobic existed, the yeast growth was very fast.
Aspergillus tubigensis in the described composite fungus agent, this flora can with the coexistence of other microorganism, the generation that promotes other effective microbe propagation matrix is played an important role, and has the effect of decomposing repugnant substance, can with all corruption things and bacillus eats, carbonization.
Bacillus aceticus in the composite fungus agent, main fermentation and the decomposition of being responsible for animals and plants remains, remains and most organic substances.
Actinomycetes in the composite fungus agent, it can absorb the amino acid that photosynthetic bacterium produces, and produces antibiotics, this antibiont mass-energy effectively suppresses pathogenic bacteria, and the desired material when being harmful to mould and bacterial multiplication of ingesting, thereby suppressing its propagation, creation helps other microorganism survival environment; Because actinomycetes and photosynthetic bacterium coexistence, the clean bacterium effect that they are brought into play is multiplied when more independent than actinomycetes.
Ecological restoring method of river water body of the present invention is emphasized the synergy of flora, and its process is: 1. add various microorganisms, keep the competitive edge of profitable strain in river water; 2. composite fungus agent transfer, conversion and degradation of contaminant; 3. the pollutent in the water reduces, and it is clear that water just becomes, for the existence of other biological creates conditions; 4. in conjunction with throwing in hydrocoles, plantation plant etc., recover species diversity; 5. strengthen the self-purification capacity and the material cycle of water body; The final stable and water body of water-quality guideline of realizing becomes clear, becomes the target of living.
Description of drawings
Every improvement index comparison diagram among Fig. 1 ecological restoring method of river water body embodiment 1 of the present invention.
Embodiment
For making the present invention easier to understand,, further set forth the present invention below in conjunction with specific embodiment.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.
The microbial inoculum that the present invention uses is all available from beneficial source of students biotechnology company and normal peaceful thing Science and Technology Ltd..
Chemical oxygen demand (COD) among the present invention (COD), total nitrogen (TN) and total phosphorus content (TP) are several main detection indexs, the mensuration of ammonia nitrogen adopts the method for GB7479-87, the mensuration of total nitrogen adopts the method for GB11894-89, and the mensuration of total phosphorus adopts the method for GN11893-89.
Embodiment 1: drain canal in the Xiqing District of Tianjin and administer
In drain around the canal industrial enterprise and discharge about 6000 tons of industrial sewages and 9000 tons of sanitary sewages every day, and the pollution level of industrial sewage is very high.
After water body purification and bed mud improvement, bed mud flavescence, the obvious mineralising of mud layer and stable, water body progressively becomes clearly, colourity progressively shoals, stink weakens, the water pollution index progressively reduces.As seen from Figure 1, processing has obtained significant effect, and the principal pollutant index has all descended more than 90%.At this time, the biotic population in the river begins prosperity, and algae begins growth, and fish begin to occur, and each kind of plant on bank also begins growth, and the species diversity of river ecological begins to occur.In order further to promote this prosperity, adopt a kind of ecological restoring method of river water body of the present invention to carry out restoration of the ecosystem, comprise the steps:
(1) contamination index of detection river water;
(2) throw in composite fungus agent in water body by 5~9ppm;
(3) material in composite fungus agent transfer, conversion and the degraded river water;
(4) throw in hydrocoles and/or planting aquatic plants to the river;
(5) contamination index of detection river water;
(6) interval is 15-30 days, and repeating step (2)~(5) meet the requirements up to river water
The weight part of described composite fungus agent consists of photosynthetic bacterium 8, subtilis 15, nitrifier 5, yeast 2, milk-acid bacteria 20, aspergillus tubigensis 25, bacillus aceticus 20, actinomycetes 15.
In the later stage of administering, can also throw in hydrocoles and plantation plant.The hydrocoles of throwing in comprises: bivalves can be filtered algae and the organic debris that food suspends, and improves the transparency of lake water; The spiral shell sessile algae of ingesting, the short agglutinating matter of secretion simultaneously makes lake water become clear; Put silver carp, flathead in a suitable place to breed and directly remove algae; The diversity that amoeba, flagellate, ciliate, wheel animalcule can be replenished biological chain; The plant of plantation can be lotus, duckweed etc.In the monitoring of two follow-up wheat harvesting periods, monitoring data shows that river maintains the level of surface water II class substantially, the trend of eutrophication do not occur.
This shows that ecological restoring method of river water body of the present invention can make river water recover bio-diversity, fundamentally repair ecologically to have that effect is lasting, cost is low, use characteristic of simple.
In other embodiments of the invention, the parts by weight of described composite fungus agent are selected in following scope: the weight part of described composite fungus agent consists of photosynthetic bacterium 5-10, subtilis 10-15, nitrifier 5-10, yeast 2-5, milk-acid bacteria 15-20, aspergillus tubigensis 10-30, bacillus aceticus 10-30, actinomycetes 20-30.The input ratio of composite fungus agent is 5~9ppm.The composite fungus agent that obtains all has stable effect to every monitoring index of river water.In addition, bed mud flavescence, the obvious mineralising of mud layer and stable, black smelly phenomenon thoroughly disappears.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.

Claims (2)

1. an ecological restoring method of river water body comprises the steps:
(1) contamination index of detection river water;
(2) throw in composite fungus agent in water body by 5~9ppm;
(3) material in composite fungus agent transfer, conversion and the degraded river water;
(4) throw in hydrocoles and/or planting aquatic plants to the river;
(5) contamination index of detection river water;
(6) interval is 15-30 days, and repeating step (2)~(5) meet the requirements up to river water;
The weight part of described composite fungus agent consists of photosynthetic bacterium 5-10, subtilis 10-15, nitrifier 5-10, yeast 2-5, milk-acid bacteria 15-20, aspergillus tubigensis 10-30, bacillus aceticus 10-30, actinomycetes 20-30;
Described hydrocoles comprises bivalves, spiral shell, silver carp, flathead;
Described waterplant comprises lotus, duckweed.
2. ecological restoring method of river water body according to claim 1 is characterized in that, described hydrocoles also comprises a kind of or combination in amoeba, flagellate, ciliate, the wheel animalcule.
CN2009100409671A 2009-07-09 2009-07-09 Ecological restoring method of river water body Active CN101607762B (en)

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