CN103951152A - Composite preparation capable of continuously reducing river course sediment and preparation method thereof - Google Patents
Composite preparation capable of continuously reducing river course sediment and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a composite preparation capable of continuously reducing river course sediment and a preparation method thereof. The composite preparation comprises the following components in percentage by weight: 20-50% of first composition and 50-80% of second composition. The first composition is prepared by mixing photosynthetic-bacteria-loaded first zeolite, nitrobacteria-loaded first zeolite, microzyme-loaded first zeolite, bacillus-loaded first zeolite and actinomycete-loaded first zeolite in a weight ratio of (1.1-1.5):(0.3-0.7):(0.5-1):(0.3-0.7). The second composition comprises the following components in percentage by weight: 2-10% of slow-release oxygen agent and 90-98% of second zeolite. The composite preparation can directly sink into the sediment, and does not influence the floodwater drainage of the river course; the microbes can not be easily lost; and the slow-release oxygen agent continuously provides oxygen for the vital movement of the microbes, thereby achieving the effect of continuously and efficiently reducing sediment.
Description
Technical field
The present invention relates to the technical field that water pollution is repaired, be specifically related to compound formulation of a kind of sustainable reduction river bottom mud and preparation method thereof.
Background technology
Along with increasing of China's expanding economy and population, water consumption constantly increases, and in a large number without agricultural run-off, trade effluent and the sanitary sewages effectively processed, enters river course, and some river courses almost become receives dirty river.Pollutant levels are far beyond the self-purification capacity in river course, and most of river course, for a long time in black smelly state, has had a strong impact on the littoral resident living in river course and city image.Water pollutant deposits in a large number, and bed mud thickness constantly increases, and river course water-carrying section reduces, and affects that river course drains off floodwaters, flood discharge and navigation function.Black smelly bed mud is also the important endogenous pollution in river course, by oxygen consumption, release organic pollutant and N, P nutritive salt etc., makes overlying water water quality deterioration.Reparation has important effect to water body to cut down bed mud.
The extensive bed mud of China is administered and is generally all adopted physics, chemical process and biology in situ oxidation style at present.
Physical comprises as dredging, covering etc.Dredging is mainly removed the bed mud in polluted-water by artificial mechanism mode, to reach the object of removing pollution substance in bed mud, increasing water body environment capacity, but this method not only consumes a large amount of human and material resources and financial resources, and larger to water ecosystem disturbance, the bed mud clearing easily causes secondary pollution.Covering is that clean sand, bed mud, gravel or man-made land sill are covered in above polluted bed mud, make polluted bed mud and water body isolation, thereby prevent that pollutants in sediments is to the original position technique for fixing of overlying water migration, this kind of method reduced the depth of water, destroyed Benthic ecology system, waters effect more at mud scum or that hydrodynamic intensity is larger is poor, and the problem of finding a large amount of clean covering materials is also difficult to solve.
Chemical method is to make the pollutent in bed mud curing or innoxious by add chemical agent in bed mud, thereby reduces sedimental environmental influence, but the chemical agent adding is to the toxic effect of hydrobiont.
Biology in situ oxidation style is to promote that by adding microorganism bed mud decomposes, and removes fast compound fertilizer and organic pollutant in water body.Biology in situ reparation is the up-to-date environmental pollution treatment technology of rising in recent years, and the advantage such as, instant effect little with its investment, easy to operate, non-secondary pollution becomes the study hotspot in environmental improvement field.The patent of invention of publication number CN101607783A discloses a kind of method that utilization adds the composite fungus agent reduction bed mud of synthetic, reaches bed mud in river is carried out to in-situ treatment.The patent of invention of application publication number CN102674562A provides a kind of particulate matter of loading microorganisms, can rapid flocculation and adsorbed water body in pollutent improve water transparency, after this, the particulate matter falling on bed mud can also be repaired polluted bed mud.Although these preparation for repairing can be cut down bed mud, effect often can not continue, reason be the water body in river generally all for flow state, microorganism causes damage with flow because lacking attaching substratum, making bed mud cut down effect can not continue.The important task of the flood discharge of drainning off floodwaters is often being undertaken in river course, and traditional microorganic adhesion matrix, as soft-filler, ecological matrix, bio-strip etc. have a certain impact to river flood control, is not suitable for using in river course is repaired.In addition, because the dissolved oxygen content of water body is little, can not provide enough oxygen by decomposed by microbial bed mud, cause the reduction efficiency of bed mud low.
Summary of the invention
The above-mentioned shortcoming existing for prior art, one of object of the present invention is to provide a kind of compound formulation of sustainable reduction river bottom mud, this compound formulation can directly sink to bed mud, do not affect the river course flood discharge of drainning off floodwaters, microorganism is difficult for running off, and the vital movement that is microorganism by the agent of slowly-releasing oxygen continues to provide oxygen, reach and continue efficient effect of cutting down bed mud.
Two of object of the present invention is to provide a kind of preparation method of compound formulation of sustainable reduction river bottom mud.
Realizing object of the present invention can be by taking following technical scheme to reach:
A compound formulation for sustainable reduction river bottom mud, is characterized in that, comprises the following component of percentage composition meter by weight: the first composition 20-50% and the second composition 50-80%;
The first composition has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite to mix according to the ratio of weight ratio 1:1-1.5:0.3-0.7:0.5-1:0.3-0.7 by load; Wherein, load has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have the charge capacity of the bacterium on actinomycetic the first zeolite to be 10
7-10
10individual/g;
The second composition comprises the slowly-releasing oxygen agent of the following component of percentage composition meter: 2-10% by weight and the second zeolite of 90-98%.
Preferably, the first described zeolite and the second zeolite are same zeolite, their dioxide-containing silica: 62%-66%, density: 1.0-1.2g/cm
3, particle diameter: 0.5-1.0mm.Zeolite can be bought in Zhejiang god's stone ore industry company limited.
Preferably, load has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic weight ratio 1:1.3:0.5:0.7:0.5.
Preferably, the weight ratio between the first composition and the second composition is 1:2.
Preferably, the weight ratio between the agent of slowly-releasing oxygen and the second zeolite is 5:95.
Preferably, the agent of slowly-releasing oxygen refers under certain condition the slowly medicament of releasing oxygen, the slowly-releasing oxygen agent that the present invention is used
plus, buys the company in FMC Environmental Solutions Division, and the sustainable releasing oxygen of this slowly-releasing oxygen agent reaches 1 year.
The photosynthetic bacterium that the present invention selects, nitrobacteria, yeast, genus bacillus, actinomycetes, can utilize respectively the substratum amplification culture adapting with them.Or the present invention bacterium used also can be commercialization bacterium, in the present embodiment, bacterium used can be bought in Hubei water purification source Environmental Protection Technology Co., Ltd and Guangzhou Han Chao Environmental Protection Technology Co., Ltd.By zeolite, to the above-mentioned bacterium of the direct load of the adsorption of bacterium, make the charge capacity of the bacterium on the first zeolite be 10
7-10
10individual/g.
Described photosynthetic bacterium is that a class is usingd light and as the hydrogen donor carbon source of holding concurrently, carried out photosynthetic microorganism as the energy, the organism that can utilize occurring in nature under anaerobism illumination or aerobic dark condition, sulfide, ammonia etc.Elimination effect to materials such as water body ammonia-state nitrogen, hydrogen sulfide, organic acids is stronger, can significantly improve water quality, balance water pH value.
Described nitrobacteria belongs to chemoautotrophic bacteria, and obligate is aerobic, and great majority are obligate inorganic types.Nitrobacteria can be divided into 2 subgroups: nitrite bacteria and nitrobacteria.Nitrite bacteria is nitrous acid nitrogen by the mineralized nitrogen in water body, and nitrobacteria is the nitrate nitrogen harmless to aquatic ecosystem by nitrite-oxidizing.Nitrobacteria has important effect in natural Nitrogen Cycling.
Described yeast is that alkaline anerobe can grow under the condition of aerobic and anaerobic.Under anaerobic environment, yeast can be and alcohol by organic substance decomposing carbonic acid gas; Under the environment of aerobic, yeast is carbonic acid gas and water by organic substance decomposing, decomposes more thorough.The metabolic speed of yeast is very fast in aerobic environment.Yeast or the bait of minitype aquatic animal, be rich in rich in protein, VITAMIN etc., is conducive to safeguard hydrobiological health.
Described genus bacillus tool possesses exuberant vitality, and environment is had to superpower adaptive faculty, and the organic matter of degrading rapidly in water body reduces ammonia nitrogen content, promotes the oxidation of sulfide and nitrite nitrogen, purifies waste water and mud.Water quality and bed mud are had to good improvement effect.
Described actinomycetes can produce diversified microbiotic, VITAMIN and enzyme, at difficult decomposed substance, as having important effect in the degraded of Mierocrystalline cellulose, xylogen, chitin etc., create the ecotope of beneficial microorganism propagation.
A preparation method for the compound formulation of sustainable reduction river bottom mud, is characterized in that comprising the following steps:
1) prepare the first composition:
1-1) preparing respectively load has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite, specific as follows:
In every liter of photosynthetic bacteria culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has photosynthetic bacterium, on zeolite, the charge capacity of photosynthetic bacterium is 10
7-10
10individual/g;
In every liter of nitrobacteria substratum, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, the charge capacity of nitrobacteria is 10
7-10
10individual/g;
In every liter of microzyme culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, saccharomycetic charge capacity is 10
7-10
10individual/g;
In every liter of bacillus culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, the charge capacity of genus bacillus is 10
7-10
10individual/g;
In every lifting line bacterium culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, actinomycetic charge capacity is 10
7-10
10individual/g;
1-2) above-mentioned load there are the first zeolite, the load of photosynthetic bacterium have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite to mix according to the ratio of weight ratio 1:1-1.5:0.3-0.7:0.5-1:0.3-0.7, obtain the first composition;
2) prepare the second composition: the slowly-releasing oxygen agent of the 2-10% of percentage composition meter and the second zeolite of 90-98% are by weight mixed, obtain the second composition;
3) by after the first composition of the 20-50% of percentage composition meter and the second composition of 50-80% mix by weight, obtain compound formulation.
Preferably, the formula of above-mentioned photosynthetic bacteria culture medium is: sodium-acetate 1.145g/L, peptone 0.055g/L, sodium bicarbonate 0.6g/L, Sulfothiorine 0.4g/L, sodium-chlor 0.3g/L, magnesium sulfate 0.1g/L, potassium primary phosphate 0.05g/L.pH=7.0。
Preferably, described nitrobacteria culture medium prescription is: ammonium sulfate 0.5g/L, sodium-chlor 0.3g/L, ferrous sulfate 0.03g/L, SODIUM PHOSPHATE, MONOBASIC 1g/L, magnesium sulfate 0.03g/L, CaCl
27.5g/L, pH=7.5.
Preferably, described microzyme culture medium adopts YPD substratum, and filling a prescription is: yeast extract powder 10g/L, peptone 20g/L, glucose 20g/L.
Preferably, described bacillus culture medium is bought in Yan Yu bio tech ltd, Shanghai.
Preferably, described actinomycetes substratum is bought in Qingdao Hai Bo Bioisystech Co., Ltd.
Preferably, at step 1-1) in, while adopting Vibratingfluidbeddrier to be dried, the water ratio of controlling product is 25-35%.
Beneficial effect of the present invention is:
In the present invention, microbial inoculum combination and the agent of slowly-releasing oxygen are loaded on to the compound formulation of preparing on zeolite and belong to a kind of sand-like dense medium, can sink to water body and do not run off, can play the effect that continues to purify bed mud and water body.Management goal of the present invention: eliminate water body about 10 days black smelly, more than cutting down bed mud 20cm in 2-3 month, bed mud is last decomposition under microbial inoculum effect, is used after 1 year more than bed mud reduction 40cm, does not need repeatedly to dose medicament, this effect of sustainable maintenance.The major measure that the present invention takes: the compound formulation of the present invention that drops into respective quality according to the present situation of water body and bed mud, compound formulation sinks to water bottom and contacts with bed mud, bacterial classification in medicament starts amount reproduction and becomes gradually the dominant microflora in bed mud, and good aerobic environment is built in the production that the slowly-releasing oxygen agent sustained release oxygen in medicament is flora.Organism fast decoupled under the effect of flora in bed mud, conversion, transfer, bed mud flavescence, mineralising, thickness reduce, and water body color shoals, and stink weakens, water correction.
Embodiment
Below in conjunction with example, the present invention is illustrated
Embodiment 1:
A preparation method for the compound formulation of sustainable reduction river bottom mud, comprises the following steps:
1) prepare the first composition:
1-1) preparing respectively load has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite, specific as follows:
In every liter of photosynthetic bacteria culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, the water ratio of controlling product is 25-35%, obtains the first zeolite that load has photosynthetic bacterium, and on zeolite, the charge capacity of photosynthetic bacterium is 10
7-10
10individual/g;
In every liter of nitrobacteria substratum, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, the water ratio of controlling product is 25-35%, obtains the first zeolite that load has nitrobacteria, and on zeolite, the charge capacity of nitrobacteria is 10
7-10
10individual/g;
In every liter of microzyme culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, the water ratio of controlling product is 25-35%, obtains the first zeolite that load has nitrobacteria, and on zeolite, saccharomycetic charge capacity is 10
7-10
10individual/g;
In every liter of bacillus culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, the water ratio of controlling product is 25-35%, obtains the first zeolite that load has nitrobacteria, and on zeolite, the charge capacity of genus bacillus is 10
7-10
10individual/g;
In every lifting line bacterium culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, the water ratio of controlling product is 25-35%, obtains the first zeolite that load has nitrobacteria, and on zeolite, actinomycetic charge capacity is 10
7-10
10individual/g;
1-2) above-mentioned load there are the first zeolite, the load of photosynthetic bacterium have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite to mix according to the ratio of weight ratio 1:1-1.5:0.3-0.7:0.5-1:0.3-0.7, obtain the first composition;
2) prepare the second composition: 5% slowly-releasing oxygen agent of percentage composition meter by weight and the second zeolite of 95% are mixed, obtain the second composition;
3), after the ratio that is 1:2 by the first composition and the second composition according to weight ratio mixes, obtain compound formulation.
Certain black smelly river sediment in-situ reparative experiment case:
Certain black smelly river course periphery has manufacturing district, farming region and living quarters, receives 3700 tons/day of trade effluents, 9850 tons/day of sanitary sewages, agricultural area source pollutants COD4546 ton/year, 140.38 tons/year of ammonia nitrogens, 479.24 tons/year of total phosphorus.A large amount of pollutents enter river course, have seriously exceeded the self-purification capacity of river water body, and bed mud deposits in a large number, and water body is throughout the year in black smelly state.In river course, choose the position that does not affect flood control, the square steel pipe of three adjacent length * wide * height=1 * 1 * 2 (rice) is set, set up 3 ecological simulation water tanks.Adopt bed mud of the present invention to decompose compound formulation and carry out sediment in-situ reparative experiment.Concrete grammar is as follows:
(1) in river course, choose the position that does not affect flood control, detect the contamination index of this position water body and bed mud;
(2) the square steel pipe of three adjacent length * wide * height=1 * 1 * 2 (rice) is set in this position, sets up 3 ecological simulation water tanks, be respectively experimental group A, B, C.
(3) compound formulation of different microbial inoculum combinations being made is evenly disseminated in experimental group A, B, C.
The concrete combination of compound formulation is as follows:
It is 1:0.8:0.3:0.5:0.3 according to weight ratio that load in A group compound formulation has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite, and total consumption is 100g;
It is 1:1.3:0.5:0.7:0.5 according to weight ratio that load in B group compound formulation has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite, total consumption 150g;
It is 1:1.5:0.7:1:0.7 according to weight ratio that load in C group compound formulation has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite, total consumption 150g.
(4) detect the contamination index of river water body and bed mud.
Compound formulation uniform broadcasting is in water surface, and the density that is greater than water due to the density of preparation is sunken to water bottom, and the gentle oxygen release agent of microbial inoculum in compound formulation starts to play a role.
The variation of tracking and measuring bed mud and water body in 3 months after broadcasting sowing compound formulation.The water-quality guideline of measuring has chemical oxygen demand COD, total nitrogen TN and total phosphorus TP; The index of bed mud has thickness, organic matter, total nitrogen, total phosphorus.Within 7 days, left and right water body color shoals, and stink disappears, and it is thin out that 15 days left and right bed mud in river colors start, and bed mud shoals.
Concrete detected result in Table 1, table 2:
Table 1 river water body water-quality guideline
Table 2 river bottom mud index
Experimental result shows to add the pollution that compound formulation can significantly reduce river water body and bed mud.Wherein in B group, the repairing effect of compound formulation is best, uses after 15d, and the clearance of COD in water body, TN, TP can reach 70% left and right, and the organic matter in bed mud, the clearance of TN can reach 65% left and right, and bed mud thickness is cut down 25cm; In B group, the repairing effect of compound formulation is better, uses after 15d, and the clearance of COD in water body, TN, TP can reach 50% left and right, and the organic matter in bed mud, the clearance of TN can reach 50% left and right, and bed mud thickness is cut down 16cm; In A group, the repairing effect of compound formulation is poor by contrast, uses after 15d, and the clearance of COD in water body, TN, TP can reach 40% left and right, and the organic matter in bed mud, the clearance of TN can reach 30% left and right, and bed mud thickness is cut down 13cm.
The compound formulation that adopts in bed mud in river restorative procedure of the present invention adopts the compound of combination microbial inoculum and the agent of slowly-releasing oxygen, and the zeolite oxygen release agent of combination microbial inoculum can being eased up be taken bed mud to and provide attaching substratum for bacterial growth.Compound formulation sinks to rapidly water body after being applied in water body, slowly-releasing oxygen agent releasing oxygen improves the oxygen level of water body, and bacterium breeds rapidly, and bacterium decomposes, transforms and shift the pollutent in bed mud.Bottom-dwelling quantity in bed mud increases, and species diversity increases, and promotes minimizing and inorganicization of pollutants in sediments, thereby bed mud is cut down, and reaches the effect that sediment in-situ is repaired.
Embodiment 2: certain black smelly river sediment in-situ is repaired case study on implementation
Original position reparation is implemented in river course described in embodiment 1, and method is as follows:
(1), according to method configuration compound formulation described in embodiment 1, difference is that it is 1:1.3:0.5:0.7:0.5 configuration according to weight ratio that the load in compound formulation has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite; Other are identical with embodiment 1.
(2) measure water surface area, compound formulation dosage is pressed 200g/m
2add, calculate compound formulation consumption;
(3) compound formulation uniform broadcasting is to water body;
(4) detect the contamination index of river water body and bed mud
Apply after compound formulation, within 7 days, left and right water body color shoals, and stink disappears, and it is thin out that 15 days left and right bed mud in river colors start, and bed mud shoals.
Concrete detected result in Table 3, table 4:
Table 3 river water quality index
Table 4 river bottom mud index
Effects of river course factor is complicated, in actual bed mud reparation is implemented, the repairing effect of compound formulation is slightly poorer than the effect in experiment, but also reached repairing effect very significantly, at compound formulation, use after 30d, the clearance of COD in water body, TN, TP can reach 60% left and right, organic matter in bed mud, the clearance of TN can reach 60% left and right, and bed mud thickness is cut down 31cm.
Embodiment 3:
The feature of the present embodiment is: in step 2) in, preparation the second composition: 2% slowly-releasing oxygen agent of percentage composition meter by weight and the second zeolite of 98% are mixed, obtain the second composition; Other are identical with the preparation method of compound formulation described in embodiment 1.
Embodiment 4:
The feature of the present embodiment is: in step 2) in, preparation the second composition: 10% slowly-releasing oxygen agent of percentage composition meter by weight and the second zeolite of 90% are mixed, obtain the second composition; Other are identical with the preparation method of compound formulation described in embodiment 1.
Embodiment 5:
The feature of the present embodiment is: in step 3) in, after the ratio that is 1:1 according to weight ratio by the first composition and the second composition mixes, obtain compound formulation.Other are identical with the preparation method of compound formulation described in embodiment 1.
Embodiment 6:
The feature of the present embodiment is: in step 3) in, after the ratio that is 1:4 according to weight ratio by the first composition and the second composition mixes, obtain compound formulation.Other are identical with the preparation method of compound formulation described in embodiment 1.
Above-described embodiment, only for the preferred case study on implementation of the present invention, can not limit the present invention's scope required for protection with this, any unsubstantiality that those skilled in the art does on basis of the present invention and replace and all belong to the scope of protection of present invention.
Claims (10)
1. a compound formulation for sustainable reduction river bottom mud, is characterized in that, comprises the following component of percentage composition meter by weight: the first composition 20-50% and the second composition 50-80%;
The first composition has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite to mix according to the ratio of weight ratio 1:1-1.5:0.3-0.7:0.5-1:0.3-0.7 by load; Wherein, load has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have the charge capacity of the bacterium on actinomycetic the first zeolite to be 10
7-10
10individual/g;
The second composition comprises the slowly-releasing oxygen agent of the following component of percentage composition meter: 2-10% by weight and the second zeolite of 90-98%.
2. the compound formulation of sustainable reduction river bottom mud according to claim 1, is characterized in that: the first described zeolite and the second zeolite are same zeolite their dioxide-containing silica: 62%-66%, density: 1.0-1.2g/cm
3, particle diameter: 0.5-1.0mm.
3. the compound formulation of sustainable reduction river bottom mud according to claim 1, is characterized in that: described load has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic weight ratio 1:1.3:0.5:0.7:0.5.
4. the compound formulation of sustainable reduction river bottom mud according to claim 1, is characterized in that: described the first composition and the weight ratio between the second composition are 1:2.
5. the compound formulation of sustainable reduction river bottom mud according to claim 1, is characterized in that: the described agent of slowly-releasing oxygen and the weight ratio between the second zeolite are 5:95.
6. the preparation method of the compound formulation of sustainable reduction river bottom mud according to claim 1, is characterized in that comprising the following steps:
1) prepare the first composition:
1-1) preparing respectively load has the first zeolite, the load of photosynthetic bacterium to have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite, specific as follows:
In every liter of photosynthetic bacteria culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has photosynthetic bacterium, on zeolite, the charge capacity of photosynthetic bacterium is 10
7-10
10individual/g;
In every liter of nitrobacteria substratum, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, the charge capacity of nitrobacteria is 10
7-10
10individual/g;
In every liter of microzyme culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, saccharomycetic charge capacity is 10
7-10
10individual/g;
In every liter of bacillus culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, the charge capacity of genus bacillus is 10
7-10
10individual/g;
In every lifting line bacterium culture medium, add 50g zeolite, at bacterial growth 4-7 days, enter after stationary phase, continue to cultivate and within 2-3 days, treat that bacterium forms gemma; Then adopt Vibratingfluidbeddrier to be dried, obtain the first zeolite that load has nitrobacteria, on zeolite, actinomycetic charge capacity is 10
7-10
10individual/g;
1-2) above-mentioned load there are the first zeolite, the load of photosynthetic bacterium have the first zeolite, the load of nitrobacteria to have saccharomycetic the first zeolite, load to have the first zeolite of genus bacillus and load to have actinomycetic the first zeolite to mix according to the ratio of weight ratio 1:1-1.5:0.3-0.7:0.5-1:0.3-0.7, obtain the first composition;
2) prepare the second composition: the slowly-releasing oxygen agent of the 2-10% of percentage composition meter and the second zeolite of 90-98% are by weight mixed, obtain the second composition;
3) by after the first composition of the 20-50% of percentage composition meter and the second composition of 50-80% mix by weight, obtain compound formulation.
7. the preparation method of the compound formulation of sustainable reduction river bottom mud according to claim 6, it is characterized in that: the formula of described photosynthetic bacteria culture medium is: sodium-acetate 1.145g/L, peptone 0.055g/L, sodium bicarbonate 0.6g/L, Sulfothiorine 0.4g/L, sodium-chlor 0.3g/L, magnesium sulfate 0.1g/L, potassium primary phosphate 0.05g/L, pH=7.0.
8. the preparation method of the compound formulation of sustainable reduction river bottom mud according to claim 6, is characterized in that: described nitrobacteria culture medium prescription is: ammonium sulfate 0.5g/L, sodium-chlor 0.3g/L, ferrous sulfate 0.03g/L, SODIUM PHOSPHATE, MONOBASIC 1g/L, magnesium sulfate 0.03g/L, CaCl
27.5g/L, pH=7.5.
9. the preparation method of the compound formulation of sustainable reduction river bottom mud according to claim 6, is characterized in that: described microzyme culture medium adopts YPD substratum, and filling a prescription is: yeast extract powder 10g/L, peptone 20g/L, glucose 20g/L.
10. the preparation method of the compound formulation of sustainable reduction river bottom mud according to claim 6, is characterized in that: at step 1-1) in, while adopting Vibratingfluidbeddrier to be dried, the water ratio of controlling product is 25-35%.
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CN105481101A (en) * | 2015-12-28 | 2016-04-13 | 山东宝来利来生物工程股份有限公司 | Compound water purifying agent used for aquaculture and preparation method thereof |
CN105439405A (en) * | 2015-12-30 | 2016-03-30 | 天津市雷鸣生态科技有限公司 | Method for degrading organic bottom sludge in rivers and lakes |
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