CN104926000B - A kind of continuous method of quick removing floating green alga water - Google Patents
A kind of continuous method of quick removing floating green alga water Download PDFInfo
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Abstract
The continuous method of floating green alga water, its step are removed the invention discloses a kind of:1)Regional choice:The region of the selection water silk floss vigorous floating in blocks of growing power;2)The preparation of algicide:Hydrogen peroxide is diluted with distilled water;3)The preparation of sedimentation agent:Clay and bentonite are configured to sedimentation agent in mass ratio;4)The consumption and spraying condition of algicide:The hydrogen peroxide of preparation is sprayed at selected region reclaimed water silk floss surface;5) addition of sedimentation agent:After algicide treatment water silk floss, according to the area of Experimental Area, sedimentation agent is uniformly sprinkled into water body, water silk floss sinks to water bottom therewith, after standing, water body clarification, the anhydrous continuous floating of the water surface.The method is simple, easy to operate, with low cost, non-secondary pollution, the water to water body is continuous with fairly obvious removal effect, while having the effect for improving to high organic substrate, for the recovery of lake submerged vegetation creates precondition, the method has environment very high, economic and social benefit.
Description
Technical field
The present invention relates to the removal of silkweed algal tufa in eutrophic lake and lake high organic substrate improving environment
Field, is more particularly to a kind of continuous method of the quick removing floating green alga water of ecological, environmental protective, is suitable in eutrophic lake
The serious high organic substrate water body of the continuous outburst of water, such as pond, lake.
Background technology
In season the end of spring and the beginning of summer, in the current ratio such as landscape water body, culture of Chinese mitten crab water body, aqiuculrue water body, rice field, lake
Relatively slow, water transparency is high, and it is continuous that water often occurs in the few region of water plant(Spirogyrasp.)Amount reproduction is simultaneously floated on
The water surface, it is a class silkweed of Chlorophyta Zygnemataceae Spirogyra that water is continuous, and light water such as common in fresh water is continuous(S.
communis), special-shaped water silk floss(S. varians), single water silk floss(S. sigularis)Deng, its filamentous not branch, chloroplaset
In the shape of a spiral.Water is continuous usually to be nourished and generated with the algal filament being broken;Zoogamy is carried out with trapezoidal engagement, engagement sides;With
Quiet wall spore, azygospore etc. carry out asexual reproduction;Due to continuous with the extremely strong reproductive capacity and again fecundity of water, water is continuous suitable
Suitable environment usually abnormality proliferation, serious harm is caused to water body:In landscape water body, water body scape is not only influenceed during water silk floss outburst
See, rot also produce peculiar smell, surrounding environment is impacted;In breeding water body, water nutrition, or even death of rotting are consumed
Algae toxins are produced, the growth to other animals and plants brings threat;In rice field, the continuous winding seedling of water influences the growth of seedling
Deng;In the recovery of lake submerged vegetation, the continuous presence of water is usually wound to submerged plant, shading, nutrient competition, even
Allelopathy is produced, the effect of recovery is largely affected.
Mainly there are three class methods to thread alga eruption prophylactico-therapeutic measures both at home and abroad at present:(1)Physical method:Manually salvaging is
Most common method, its most rapid, most safe, but laborious, somewhat expensive that operates that takes effect, salvages and carrys out inappropriate treatment
Method easily makes thread algae rot, and produces niff, and easily environment is polluted;Algal filament easily breaks when salvaging simultaneously
Split, the algal filament of fracture can quickly grow up to filamentous by cell division, it is impossible to tackle the problem at its root;(2)Chemical method:It is main
If destroying alga cells so as to realize killing the purpose of algae control algae using chemical reagent, this method has efficient, quick, method
It is easy.Conventional medicine is mainly including oxidized form reagent such as potassium permanganate, halogen;Such as copper agent, inorganic gold of Non-oxidized reagent
Category compound etc..Chemical method is undoubtedly a kind of effect is significant, the effective way of instant effect, but chemical reagent often has poison in itself
Evil effect, easily causes secondary pollution, so urgently nontoxic, efficient, the economic algicide of developmental research;(3)Ecological method:It is main
Growth of algae etc. is suppressed by rebuilding biocoene by bio operon method.Such as with algae algal control, higher aquatic plants
Control algae, filter-feeding fish food algae etc., ecological method are undoubtedly a kind of algae-removing method of environmental protection, but due to long the time required to except algae,
And easily rebound and ideal effect can not be reached.
The relevant research and technology for removing algae most at present is concentrated mainly on Microcystis aeruginosa to Cyanophyta, anabena, quiver algae
Deng removal on, and the research to the removal of filamentous green algae is less, and the related reagent for going water removal continuous is concentrated mainly on as follows
Several aspects:(1)Copper class reagent such as copper sulphate, potato copper, generation silk algae sand etc. is climbed, preferably, but they are that a class is high to its removal effect
Malicious chemical substance, easily makes aqueous bio produce Metal toxicity, destroys aquatic ecosystem;(2)Herbicide such as paraquat, grass are sweet
Phosphine, prometryn, moss net etc. is killed, the removal of weeds in field is most commonly used to, in it is used in lake, breeding water body, usually to water
Body other biological is impacted;(3)The allelochemical such as blade of terrestrial plant camphor tree, willow, pine tree etc. and branch leaching liquor, meeting
There is certain inhibitory action to water silk floss, but because materials are difficult, extraction time is long, process is complicated etc. almost without large-scale application reality
Example.Although various about the continuous reagent of removal water, all lack it is a kind of efficiently, nonhazardous effect, can be in water bodys such as lake rivers
In the extensive invention implemented.
In the improvement of lake eutrophication, the recovery of aquatic vegetation has turned into a kind of efficient, method of ecological, environmental protective.By
The survived environment, high organic substrate is depended on often to have necessarily to the recovery of aquatic vegetation in the recovery effects of aquatic vegetation
Coercion, it is contemplated that while removing to remove water silk floss, the nutrition of substrate can be effectively reduced, be beneficial to the extensive of aquatic vegetation
It is multiple.The present invention is destroyed using the strong oxidizing property of hydrogen peroxide to alga cells;Settled using natural sodium bentonite-clay
The adsorptivity of agent is adsorbed and settled to deactivated frustule;Simultaneously also using natural sodium bentonite-clay sedimentation
Nutriment in agent absorption high organic substrate, is improved to a certain extent to high organic substrate, and the heavy water in lake is planted
The recovery of quilt has certain facilitation.The invention is a kind of environmental protection, and high financial profit can large area, high efficiency removal
The continuous method of floating water.
The content of the invention
A kind of method continuous the present invention seeks to there are provided quick removing floating green alga water, the method is simple, operation
Convenient, with low cost, non-secondary pollution, the water to water body is continuous with fairly obvious removal effect, while to high organic bottom
Matter has the effect for improving, and is that the recovery of lake submerged vegetation creates precondition, and the method has environment very high, economy
And social benefit.
To reach above-mentioned purpose, the present invention uses following technical scheme:
A kind of quick removing floats the continuous method of green alga water, and its step is:
1)Regional choice:Selection water silk floss growing power is vigorous and region of floating in blocks, and regional extent is flat less than or equal to 500
Square rice;
2)The preparation of algicide:With distilled water by hydrogen peroxide that mass fraction is 30 %(Analysis is pure)Be diluted to 3 %-
The concentration of 5 %, and place in the cool;
3)The preparation of sedimentation agent:It is 10 % -15 % by moisture content(Mass ratio)Clay and bentonite press 6-8: 4
- 2 mass ratioes are configured to sedimentation agent;
4)The consumption and spraying condition of algicide:By step 2)The hydrogen peroxide of preparation presses 1:250 volume ratio is uniform
Selected region reclaimed water silk floss surface is sprayed at, spraying time is with fine day 12: 00 - 14 :00 is advisable, after 1-2 hour
The continuous upgrowth situation of observation water, if not completely losing activity also, repeats this step 1-2 time;
5)The addition of sedimentation agent:Algicide processes water silk floss after 3-4 hours, according to the area of Experimental Area, by sedimentation agent
Uniformly it is sprinkled into water body, every square metre of kg-10 kg sedimentation agent of waters 5, water silk floss sinks to water bottom therewith, makes water bottom
The tiling thickness of sedimentation agent is 1 centimeter-2 centimeters, after standing 1-3 day, water body clarification, the anhydrous continuous floating of the water surface;
The continuous abnormality proliferation of described processing region reclaimed water simultaneously floats on water surface influence water landscape in flakes;
Described water is continuous for water common in the poisons in freshwater such as lake, river, pond is continuous, and such as light water is continuous(S.
communis), special-shaped water silk floss(S. varians), single water silk floss(S. sigularis)Deng;
The continuous method of described quick removing floating green alga water, it is characterised in that described low concentration hydrogen peroxide is directly sprayed
Spill in the continuous bed course for floating of water, other biologies will not be adversely affected;It is sedimentation material to use natural sodium bentonite and clay
Material, the water silk floss of inactivation is effectively fixed on water bottom by its good absorption property, while the nutrition that water silk floss is discharged can be adsorbed
The materials such as salt;
Described sedimentation agent can improve lake eutrophication high organic substrate physicochemical property, be conducive to submerged plant extensive
It is multiple.
The present invention compared with prior art, with advantages below and effect:
1. hydrogen peroxide resolves into H2O and O2, pollution is not resulted in environment.
2. the continuous speed of water is killed fast, the continuous photosynthetic activity of water is greatly lowered after 24 hours, activity reduces scope and is
70 % - 95 %.With the increase of hydrogen peroxide fountain height, continuous its chloroplaset under the microscope of water into different degrees of concentration,
The continuous forfeiture cytoactive of water is caused, the phenomenon of fracture dissolving occurs in later stage filament.It is further cultured for 20 days, increasing again for water silk floss does not occur
Grow.
3. sedimentation agent is formulated by two kinds of materials of clay and bentonite, using their caking property and adsorptivity by water
Silk floss is absorbed and fixed at water bottom.
Brief description of the drawings
Fig. 1 be it is a kind of grow it is vigorous and float on the water surface water silk floss schematic diagram.
The water for growing vigorous period is continuous because photosynthesis discharges a large amount of gases, and gas gathers makes water silk floss float to water body table
Face.
Fig. 2 gradually inactivates schematic diagram for water is continuous after a kind of sprinkling algicide.
Water is continuous by after algicide treatment, hydrogen peroxide and water silk floss vigorous reaction, cell is lost activity, frond color from
Emerald green is changed into white and floats on the water surface.
Fig. 3 adds water silk floss sinking schematic diagram after sedimentation agent for one kind.
After the sedimentation agent of clay and bentonite composition is added, the water of inactivation is continuous because the Action of Gravity Field of sedimentation agent sinks, together
When sedimentation agent special structure water bottom is fixed in the continuous absorption of water.
Fig. 4 is a kind of water silk floss schematic diagram killed after algae is processed under microscope.
When water silk floss after inactivation is examined under a microscope, easily find that cell Chloroplast is changed into black from green, and be in
Now different degrees of concentration, cell membrane occasionally has rupture.
Specific embodiment
In order to be better understood from the present invention, with reference to the example content that the present invention is furture elucidated, but it is of the invention in
Appearance is not limited solely to the following examples.
Example 1:
A kind of quick removing floats the continuous method of green alga water, and its step is:
1)Regional choice:Prepare the beaker of 1 L sizes, add 2 or 3 centimeters of bottoms gathered go back to from the Hangzhou, Zhejiang province West Lake
Mud, adds 1 L Hangzhou West Lake water samples, and it is continuous to add the vigorous Hangzhou West Lake water of vitality that weight in wet base is 5 g or so after clarification, near the window
The culture a few days(- 30 days on the 10th), experiment is carried out after water silk floss floats on water surface;
2)The preparation of algicide:With distilled water by hydrogen peroxide that mass fraction is 30 %(Analysis is pure)It is diluted to 3 %'s
Concentration;
3)The preparation of sedimentation agent:It is 10 % or 12 % or 14 % or 15 % with moisture content(Mass ratio)Clay and bentonite
8 are made into mass ratio:2 sedimentation agent;
4)The consumption and spraying condition of algicide:Selection one the 12 of fine day:00 comes into effect the content of the invention, will prepare
3 % concentration hydrogen peroxide press 1:250 volume ratio is uniformly sprayed at water silk floss surface, stirs, and stands, after 1 hour
Observation water silk floss loses activity, and frond color is changed into white and floats on the water surface from emerald green;
5)The addition of sedimentation agent:By step 3 after 3 hours)The sedimentation agent of preparation is delivered in step 2)On water silk floss after treatment,
Stir, stand so that the thickness of the improvement matrix in beaker is 1 centimeter, after sedimentation agent is added, the continuous body of dead water with
Sedimentation agent sinks to plastics bottom of the barrel, after standing 2 days, water body clarification, the anhydrous continuous floating of the water surface;
6)By the photosynthetic activity that photosynthesis measurement water is continuous after 24 hours, after treatment, the continuous photosynthetic activity of water from
0.3356 mg/(L·h·g)It is reduced to 0.0326 mg/ (Lhg), its inhibiting rate is up to 90.3 %.After 20 days, substrate total nitrogen contains
Amount reduces 20.3 %, and total phosphorus content reduces 8.5 %, and organic matter reduces 15.2 %.
Example 2:
A kind of quick removing floats the continuous method of green alga water, and its step is:
1)Regional choice:There is length in the Plastic Drum of 10 L volumes in the Hangzhou, Zhejiang province West Lake diversion Yuhuang Mount preprocessing field
A large amount of vigorous water of the vitality for returning to cultivate that gathered from Hangzhou West Lake are continuous, and float on the water surface a few days (10 days -30
Day), wherein substrate is the high organic substrate of Hangzhou West Lake, there is 3 centimeters of thickness;
2)The preparation of algicide:With distilled water by hydrogen peroxide that mass fraction is 30 %(Analysis is pure)It is diluted to 4 %'s
Concentration;
3)The preparation of sedimentation agent:It is 10 % or 11 % or 13 % or 15 % with moisture content(Mass ratio)Clay and bentonite
7 are made into mass ratio:3 sedimentation agent;
4)The consumption and spraying condition of algicide:Selection one the 12 of fine day:00 comes into effect the content of the invention, will prepare
4 % concentration hydrogen peroxide press 1:250 volume ratio is uniformly sprayed at water silk floss surface, stirs, and stands, after 1 hour
Observation water silk floss loses activity, and frond color is changed into white and floats on the water surface from emerald green;
5)The addition of sedimentation agent:By step 3 after 3 hours)The sedimentation agent of preparation is delivered in step 2)On water silk floss after treatment,
Stir, stand so that the thickness of the improvement matrix in Plastic Drum is 1 centimeter, after sedimentation agent is added, the continuous body of dead water with
Sedimentation agent and sink to plastics bottom of the barrel, after standing 2 days, water body clarification, the anhydrous continuous floating of the water surface;
6)By the photosynthetic activity that photosynthesis measurement water is continuous after 24 hours, after treatment, the continuous photosynthetic activity of water from
0.4371 mg/(L·h·g)It is reduced to 0.0538 mg/ (Lhg), its inhibiting rate is up to 87.7 %.After 20 days, substrate total nitrogen contains
Amount reduces 17.4 %, and total phosphorus content reduces 8.1 %, and the content of organic matter reduces 13.7 %.
Example 3:
A kind of quick removing floats the continuous method of green alga water, and its step is:
1)Regional choice:It is long in the glass jar of 200 L volumes in the Hangzhou, Zhejiang province West Lake diversion Yuhuang Mount preprocessing field
There are a large amount of vigorous water of the vitality for returning to cultivate that gathered from Hangzhou West Lake continuous, and float on (January -2 water surface several months
Month), wherein substrate is the high organic substrate of Hangzhou West Lake, there is 3 centimeters of thickness;
2)The preparation of algicide:With distilled water by hydrogen peroxide that mass fraction is 30 %(Analysis is pure)It is diluted to 5 %'s
Concentration;
3)The preparation of sedimentation agent:It is 10 % or 11 % or 14 % or 15 % with moisture content(Mass ratio)Clay and bentonite
6 are made into mass ratio:4 sedimentation agent;
4)The consumption and spraying condition of algicide:Selection one the 12 of fine day:00 comes into effect the content of the invention, will prepare
5 % concentration hydrogen peroxide press 1:250 volume ratio is uniformly sprayed at water silk floss surface, stirs, and stands, after 1 hour
Observation water silk floss loses activity, and frond color is changed into white and floats on the water surface from emerald green;
5)The addition of sedimentation agent:By step 3 after 3 hours)The sedimentation agent of preparation is delivered in step 2)On water silk floss after treatment,
Stir, stand so that the thickness of the improvement matrix in glass jar is 1 centimeter, after sedimentation agent is added, the continuous body of dead water with
Sedimentation agent and sink to plastics bottom of the barrel, after standing 3 days, water body clarification, the anhydrous continuous floating of the water surface;
6)By the photosynthetic activity that photosynthesis measurement water is continuous after 24 hours, after treatment, the continuous photosynthetic activity of water from
0.5418 mg/(L·h·g)It is reduced to 0.0694 mg/ (Lhg), its inhibiting rate is up to 87.2 %.After 20 days, substrate total nitrogen contains
Amount reduces 15.2 %, and total phosphorus content reduces 6.8 %, and the content of organic matter reduces 13.7 %.
Claims (3)
1. a kind of to remove the continuous method of floating green alga water, its step is:
1) regional choice:Selection water silk floss growing power is vigorous and region of floating in blocks, and regional extent is less than or equal to 500 squares
Rice;
2) preparation of algicide:The hydrogen peroxide that mass fraction is 30% is diluted to the concentration of 3%-5% with distilled water, and is put
Put in the cool;
3) preparation of sedimentation agent:By bentonite and moisture content for the clay of 10%-15% mass ratioes presses 6-8:4-2 mass ratioes are prepared
Into sedimentation agent;
4) consumption and spraying condition of algicide:By step 2) prepare hydrogen peroxide press 1:250 volume ratio is uniformly sprayed at
The continuous surface of selected region reclaimed water, spraying time fine day 12:00-14:The continuous upgrowth situation of water is observed after 00,1-2 hour,
Activity is not completely lost, this step is repeated 1-2 times;
5) addition of sedimentation agent:Algicide processed water silk floss after 3-4 hours, according to the area of Experimental Area, sedimentation agent was uniformly spread
Enter in water body, every square metre of waters 5kg-10kg sedimentation agent, water silk floss sinks to water bottom therewith, makes water bottom sedimentation agent
Tiling thickness is 1 centimeter -2 centimeters, after standing 1-3 days, water body clarification, the anhydrous continuous floating of the water surface.
2. a kind of removing according to claim 1 floats the continuous method of green alga water, it is characterised in that:Described processing region
Reclaimed water silk floss abnormality proliferation simultaneously floats on water surface in flakes.
3. a kind of removing according to claim 1 floats the continuous method of green alga water, it is characterised in that:Described 3%-5%
Hydrogen peroxide is directly sprayed on the continuous bed course for floating of water, and it is settled material to use natural sodium bentonite and clay, and its is good
The water silk floss of inactivation is fixed on water bottom by absorption property, can adsorb the nutritive salt material that water silk floss is discharged.
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CN112345702A (en) * | 2020-11-06 | 2021-02-09 | 四川清和科技有限公司 | Method for rapidly testing algae removal effect of algaecide and determining using amount of algaecide |
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CN101624240A (en) * | 2008-07-08 | 2010-01-13 | 昆山瑞仕莱斯水处理科技有限公司 | Blue algae killing method |
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