CN104609570A - Method for treating algae-containing water bodies by utilizing mineral algae decomposition accelerator with compound microorganism in assistant manner - Google Patents
Method for treating algae-containing water bodies by utilizing mineral algae decomposition accelerator with compound microorganism in assistant manner Download PDFInfo
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Abstract
The invention discloses a method for treating algae-containing water bodies by utilizing a mineral algae decomposition accelerator with a compound microorganism in an assistant manner. The method comprises the step of adding the mineral algae decomposition accelerator into algae-containing water bodies while adding the compound microorganism, wherein the mineral algae decomposition accelerator is white mica which adsorbs Na, F and Mg ions; the dosage of the compound microorganism is 0.5-5 g/m<3>; the dosage of the mineral algae decomposition accelerator is 0.1-3 g/m<3>. The method is suitable for the natural or artificial water bodies such as algae-containing lakes, reservoirs and rivers, and can be used for greatly improving the elimination and degradation speeds of the algae and eliminating the influence of algae explosion on the water environment in a short time. The method is simple to operate, low in operation management expense and rapid in algae elimination effect; the mineral algae decomposition accelerator and the compound microorganism do not cause secondary pollution to the water bodies, so that the method belongs to an environment-friendly technology.
Description
Technical field
The present invention relates to the method for microbial treatment algae-containing water body, be specifically related to a kind of method utilizing mineral substance algae decomposition accelerating agent assisted recombination microbial treatment algae-containing water body.
Background technology
Blue-green algae is prokaryotic organism, cries blue-green algae again, has colloid clothing outside the cell walls of most of blue-green algae, blue-green algae be the most simply, the most original one.In the water body that some are nutritious, blue-green algae often in amount reproduction in summer, and forms one deck blue-greenish colour at the water surface and has the offscum of bad smell, is called wawter bloom.Wawter bloom can cause water quality deterioration, exhausts water oxygen gas and cause the death of fish time serious.In blue-green algae, some kind (as Microcystis aeruginosa) also can produce Microcystin, and Microcystin directly can produce murder by poisoning to fish, people and animals.
It is a global problem that water bodies of rivers and lakes algae is administered, and the administering method of blue-green algae mainly contains chemical algae removing in recent years, machinery fishes for and microbial method.To fish for machinery with chemical algae removing and compare, microorganism is can be removed from water body by the nutritive substance in water body by the degraded of microorganism, absorption and transformation except the advantage of algae, does not need to drop into a large amount of manpower and materials and just the pollution substance in water body can be removed.
Microbial technique administers the administering method that algae is a kind of both economical, quick, non-secondary pollution, plays an important role in algae-containing water body improvement field.Complex microorganism suppresses the growth and breeding of harmful bacteria and harmful algae mainly through producing activity resistent material, and has stronger proteolytic enzyme, lipase, diastatic activity, can decompose the organic pollutant in algae and water.Application result shows, the content of compound microorganisms to water body chlorophyll has obvious reducing effect, effectively can suppress the growth of algae.But the simple weak point of microbial treatment algae that adopts takes effect slow, and elimination and the degraded of algae need the longer time, usually needed for twice of thoughtful one month.
Summary of the invention
The object of the invention is for solving the deficiencies in the prior art, propose a kind of method utilizing mineral substance algae decomposition accelerating agent assisted recombination microbial treatment eutrophication water, add mineral substance algae decomposition accelerating agent and complex microorganism bacterial classification in algae-containing water body simultaneously, make microbial growth speedup, thus reach the object of administering algae-containing water body fast.
For achieving the above object, the present invention includes following technical scheme:
Utilize a method for complex microorganism degraded algae water, the method comprises: in algae-containing water body, add complex microorganism and mineral substance algae decomposition accelerating agent simultaneously, and this mineral substance algae decomposition accelerating agent is the white mica of absorption Na, Fe and Mg ion.
Method as above, preferably, described complex microorganism is biological enzyme, composite bacteria microbial preparation and genus bacillus biotechnological formulation, and wherein the weight ratio of biological enzyme is 5% ~ 10%, the ratio of composite bacteria microbial preparation 50% ~ 60%, genus bacillus biotechnological formulation is 35% ~ 45%; This complex microorganism dosage is 0.5 ~ 5g/m
3.
Method as above, preferably, described biological enzyme is made up of cellulase and proteolytic enzyme, and the ratio of its cellulase is (26 ~ 32) wt%, and the ratio of proteolytic enzyme is (68 ~ 74) wt%.
Method as above, preferably, described cellulase is made up of the neutral cellulase of (70 ~ 80) wt% and the acidic cellulase of (20 ~ 30) wt%; Described proteolytic enzyme is made up of the neutral protease of (70 ~ 80) wt% and the aspartic protease of (20 ~ 30) wt%.
Method as above, preferably, consisting of of described composite bacteria microbial preparation: nitrobacteria 50 ~ 55 weight part, vinelandii 10 ~ 15 weight part, denitrifying bacteria 20 ~ 25 weight part and milk-acid bacteria 20 ~ 25 weight part.
Method as above, preferably, described genus bacillus biotechnological formulation is made up of subtilis and Bacillus licheniformis, wherein, bacillus subtilis bacterial content is (70 ~ 85) wt%, and Bacillus licheniformis content is (15 ~ 30) wt%.
Method as above, preferably, in described mineral substance algae decomposition accelerating agent, Na constituent content is (1 ~ 2) wt%, Fe constituent content for (0.6 ~ 0.8) wt%, Mg constituent content is (0.5 ~ 0.8) wt%.
Method as above, preferably, the dosage of mineral substance algae decomposition agent described in described algae-containing water body is (0.1 ~ 3) g/m
3.
On the other hand, the invention provides a kind of preparation method of mineral substance algae decomposition accelerating agent, the method comprises the steps: that employing 2500 order ~ 3000 order white mica powder, 2500 order ~ 3000 order amazonites and Wingdale are raw material, wherein white mica 80 ~ 90 weight part, amazonite 7 ~ 12 weight part, Wingdale 3 ~ 8 weight part; At 80 DEG C ~ 90 DEG C, use the hydrogen peroxide of (28 ~ 32) v% concentration as chemically expansible agent, hydrogen peroxide weight is 4 ~ 5 times of whole solid feed, fully stirs 4 ~ 8 hours; Then NaCl, FeCl that concentration is respectively (8 ~ 15) wt% is added successively
3and MgCl
2solution, makes to load a large amount of positively charged ions in white mica framework, and wherein the add-on of NaCl is 2.70% ~ 5.63%, FeCl of white mica, amazonite and Wingdale three kinds of raw material gross weights
3add-on be 1.85% ~ 2.57%, MgCl of white mica, amazonite and Wingdale three kinds of raw material gross weights
2add-on be 2.10% ~ 3.51% of white mica, amazonite and Wingdale three kinds of raw material gross weights; Mineral substance algae decomposition accelerating agent finished product is become after drying grinds.
Again on the one hand, the invention provides a kind of mineral substance algae decomposition accelerating agent, it is the white mica of absorption Na, Fe and Mg ion, and wherein Na constituent content be (1 ~ 2) wt%, Fe constituent content be (0.6 ~ 0.8) wt%, Mg constituent content is (0.5 ~ 0.8) wt%.
Principle of the present invention is: algae due to its larger specific surface area, with the competition of microorganism in become sociales, water body medium trace element due to the very fast reduction of the hypertrophy of algae, thus can inhibit microbial growth.Therefore supplement while giving water body inoculating complex microorganism and add trace element, can effectively improve microbial growth proliferative speed, thus reach the object of purifying water body in the short period of time.Specific metallic element ion is the prothetic group of the biological enzyme of microbial decomposition algae simultaneously, metal ion is combined with zymoprotein closely, can stabilized enzyme conformation, transmit electronics, serving as a connection between enzyme-to-substrate, also having certain booster action to improving the rate of decomposition of algae.
The selection gist of natural mineral is that it has excellent surface property, can produce the effects such as absorption, ion-exchange and surface complexation, can discharge fast under given conditions simultaneously Fe, Mg, Na, Mn, Cr, Ti plasma.White mica chemical constitution KAl
2[Si
3alO
10] (OH, F)
2, be desirable octahedral sheet, there is excellent surface property and ionic adsorption and switching performance, meet the selection condition of natural mineral.
Beneficial effect of the present invention is: method of the present invention is applicable to containing natural water or artificial waters such as algae lake, reservoir and rivers, complex microorganism and mineral substance decomposition agent are added simultaneously, for microbial growth provides favourable condition, substantially increase elimination and the degradation speed of algae, the impact of alga eruption on water surrounding can be eliminated at short notice.The method is simple to operate, and operational and administrative expenses is low, and except algae effect is rapid, natural mineral matter algae decomposition agent and complex microorganism can not cause secondary pollution to application water body, belong to environmentally friendly technology.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but following embodiment is only limitted to explain the present invention, and protection scope of the present invention should comprise the described content of claim, is not limited only to the present embodiment.
The complex microorganism used in following examples is made up of cellulase, proteolytic enzyme, composite bacteria microbial preparation and genus bacillus biotechnological formulation, and the weight proportion of each component is 6: 14: 100: 80.
Cellulase is made up of the neutral cellulase of 70wt% and the acidic cellulase of 30wt%.Proteolytic enzyme is made up of the neutral protease of 70wt% and the aspartic protease of 30wt%.Composite bacteria microbial preparation is by 50wt% nitrobacteria, and 10wt% vinelandii, 20wt% denitrifying bacteria, 20wt% milk-acid bacteria form.Genus bacillus biotechnological formulation is made up of 80wt% subtilis and 20wt% Bacillus licheniformis.
Embodiment 1 prepares mineral substance algae decomposition accelerating agent
Take 2500 order ~ 3000 order white mica powder 85g, 2500 order ~ 3000 order amazonite 10g and Wingdale 5g, at 85 DEG C, add the hydrogen peroxide 500g that concentration is 30v%, fully stir 4 ~ 8 hours, then add NaCl4.5g, FeCl successively
32.0g and MgCl
22.5g (NaCl, FeCl
3and MgCl
2add again after all needing to be configured to the aqueous solution of 10wt% concentration).Again stir 4 ~ 8 hours post-dryings to grind and become mineral substance algae decomposition accelerating agent finished product.
The landscape impoundments application of Fengtai, embodiment 2 Beijing
Investigate the algae regulation effect of method of the present invention to Fengtai District, Beijing City landscape impoundments.The feature in this lake is moisturizing water source is reuse water, and rate of water make-up meets evaporated seepage water amount, does not have ecology to change the water water yield, enters lake without sewage mouth source, and administration way is annual improvement continuously.
Addition method is as follows: compounding bin, Insecticide sprayer are fixed on power and are not less than on the speedboat of 10, at volume 0.5m
3pE make up a prescription in cylinder and add clear water 400L, take mineral substance algae decomposition agent 2.5kg, complex microorganism bacterial classification 5kg, stirs.Then by 5.5 horsepowers of high pressure Insecticide sprayers (lift 22 meters), confection is sprayed the water surface with 40 degree of angles (pencil and water surface angle), the shower nozzle distance water surface 0.5 ~ 0.6 meter, speedboat travel speed 12 ~ 15 kilometers/hour.
Improvement initial stage (first week) adding of agent frequency is once a day, administer mid-term (second week ~ 4th week) adding of agent frequency be every 2 days once, administer later stage adding of agent frequency be weekly.In generation river course flood or determine to add frequency according to practical situation when having sewage to enter.Its mineral algae decomposition accelerating agent only adds at the initial stage of improvement (first 2 weeks) with when there are Special Circumstances.
Algae decomposition agent and complex microorganism need after adding water body to carry out 2 ~ 3 mechanical shock with speedboat to the water body after dispensing, to accelerate the rate of decomposition of medicament to algae, reduce the reaction times further.
From 2011, carry out ecological management to this lake, the annual dosage of complex microorganism bacterial classification 2011 was 2.5g/m
3, mineral substance algae decomposition agent dosage is 1.0g/m
3.2012 ~ 2014 annual dosages are 1.5g/m
3, mineral substance algae decomposition agent dosage is 0.5g/m
3.Sample water quality in this lake governance process and detect simultaneously, monitoring index has 7 indexs such as pH, COD, BOD, TP, ammonia nitrogen, transparency, chlorophyll a, and monitoring particular case is as follows:
Table 1 Fengtai District landscape impoundments water monitoring data table
As can be seen from detection data, the chlorophyll content after administering in lake significantly reduces, and organic contamination substrate concentration also significantly decreases, and water quality maintains surface water IV class water quality standard substantially.
River course, embodiment 3 Beijing algae administers application
This experimental section total length about 4.2 kilometers, water surface area about 8.4 ten thousand square meter.The feature in this river course is: there is continuous water upstream, and has a small amount of sewage mouth to import, and administration way is annual July ~ November.Adopt addition method described in embodiment 2, the complex microorganism bacterial classification dosage in 2013 years and 2014 years is 3.0g/m
3, mineral substance algae decomposition agent dosage is 1.5g/m
3.Before administering, water quality algal grown is serious, and after the improvement in four weeks, water body eutrophication degree reduces greatly.
Table 2 2014 annual Beijing river water quality monitoring data table
As can be seen from detection data, the chlorophyll content after administering in lake significantly reduces, and organic contamination substrate concentration also significantly decreases, and water quality maintains surface water IV class water quality standard substantially.
River course, comparative example 1 Beijing algae administers application
Experiment section is river course described in embodiment 3, and administering method is add separately embodiment 3 complex microorganism used, and adopt addition method described in embodiment 2, dosage is 3.0g/m
3.Improvement result is as shown in table 3.
Table 3 2013 annual Beijing river water quality monitoring data table
Compare can find out with the result of embodiment 3,2013 these experimental sections annual are administered front water quality and within 2014, are administered front overall suitable, its Determination of Chlorophyll and ammonia-nitrogen content slightly higher than 2014, as can be seen from monitoring data table 3, when the original water quality of water body is substantially suitable, add separately " complex microorganism bacterial classification " and do not add " natural mineral matter extract ", the decomposition rate of " natural mineral matter extract " is added under the condition that algae decomposition rate is starkly lower than, obviously the time of improving is 5 weeks to water quality, and the time reaching water conditioning is 7 weeks.Within 2014, assist under having added the condition of " natural mineral matter extract ", obviously the time of improving is 3 weeks to water quality, and the time reaching water conditioning is 4 weeks.Therefore the auxiliary speedup successful adding " natural mineral matter extract ".
Claims (10)
1. utilize a method for complex microorganism degraded algae water, it is characterized in that, add complex microorganism and mineral substance algae decomposition accelerating agent in algae-containing water body simultaneously, this mineral substance algae decomposition accelerating agent is the white mica of absorption Na, Fe and Mg ion.
2. method according to claim 1, it is characterized in that, described complex microorganism is biological enzyme, composite bacteria microbial preparation and genus bacillus biotechnological formulation, and wherein the weight ratio of each composition is: biological enzyme 5% ~ 10%, composite bacteria microbial preparation 50% ~ 60%, genus bacillus biotechnological formulation 35% ~ 45%; This complex microorganism dosage is 0.5 ~ 5g/m
3.
3. method according to claim 2, is characterized in that, described biological enzyme is made up of cellulase and proteolytic enzyme, and its cellulase is (26 ~ 32) wt%, and proteolytic enzyme is (68 ~ 74) wt%.
4. method according to claim 3, is characterized in that, described cellulase is made up of the neutral cellulase of (70 ~ 80) wt% and the acidic cellulase of (20 ~ 30) wt%; Described proteolytic enzyme is made up of the neutral protease of (70 ~ 80) wt% and the aspartic protease of (20 ~ 30) wt%.
5. method according to claim 2, is characterized in that, consisting of of described composite bacteria microbial preparation: nitrobacteria 50 ~ 55 weight part, vinelandii 10 ~ 15 weight part, denitrifying bacteria 20 ~ 25 weight part and milk-acid bacteria 20 ~ 25 weight part.
6. method according to claim 2, it is characterized in that, described genus bacillus biotechnological formulation is made up of subtilis and Bacillus licheniformis, wherein, bacillus subtilis bacterial content is (70 ~ 85) wt%, and Bacillus licheniformis content is (15 ~ 30) wt%.
7. the method according to any one of claim 1-6, it is characterized in that, in described mineral substance algae decomposition accelerating agent, Na constituent content is (1 ~ 2) wt%, Fe constituent content for (0.6 ~ 0.8) wt%, Mg constituent content is (0.5 ~ 0.8) wt%.
8. method according to claim 7, is characterized in that, the dosage of mineral substance algae decomposition agent described in described algae-containing water body is (0.1 ~ 3) g/m
3.
9. the preparation method of a mineral substance algae decomposition accelerating agent, it is characterized in that, the method comprises the steps: that employing 2500 order ~ 3000 order white mica powder, 2500 order ~ 3000 order amazonites and Wingdale are raw material, wherein white mica 80 ~ 90 weight part, amazonite 7 ~ 12 weight part, Wingdale 3 ~ 8 weight part; At 80 DEG C ~ 90 DEG C, use the hydrogen peroxide of (28 ~ 32) v% concentration as chemically expansible agent, hydrogen peroxide weight is 4 ~ 5 times of whole solid feed, fully stirs 4 ~ 8 hours; Then NaCl, FeCl that concentration is respectively (8 ~ 15) wt% is added successively
3and MgCl
2solution, makes to load a large amount of positively charged ions in white mica framework, and wherein the add-on of NaCl is 2.70% ~ 5.63%, FeCl of white mica, amazonite and Wingdale three kinds of raw material gross weights
3add-on be 1.85% ~ 2.57%, MgCl of white mica, amazonite and Wingdale three kinds of raw material gross weights
2add-on be 2.10% ~ 3.51% of white mica, amazonite and Wingdale three kinds of raw material gross weights; Mineral substance algae decomposition accelerating agent finished product is become after drying grinds.
10. a mineral substance algae decomposition accelerating agent, it is characterized in that, it is the white mica of absorption Na, Fe and Mg ion, and wherein Na constituent content be (1 ~ 2) wt%, Fe constituent content be (0.6 ~ 0.8) wt%, Mg constituent content is (0.5 ~ 0.8) wt%.
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Cited By (1)
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| CN107572664A (en) * | 2017-09-30 | 2018-01-12 | 姚竣耀 | A kind of method administered for river, lake and reservior blue-green alga |
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