CN106044878A - Blue-green algae treating agent and using method and application thereof - Google Patents
Blue-green algae treating agent and using method and application thereof Download PDFInfo
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- CN106044878A CN106044878A CN201610530195.XA CN201610530195A CN106044878A CN 106044878 A CN106044878 A CN 106044878A CN 201610530195 A CN201610530195 A CN 201610530195A CN 106044878 A CN106044878 A CN 106044878A
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- treatment agent
- blue
- blue algae
- algae treatment
- cyanophyceae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/12—Quaternary ammonium compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Abstract
The invention discloses a blue-green algae treating agent and a using method and application thereof. The blue-green algae treating agent comprises the following components: silicon dioxide nano particles and cationic polyelectrolyte containing amidogen, and the mass ratio of the silicon dioxide nano particles and the cationic polyelectrolyte containing amidogen is 20-50:1. According to the blue-green algae treating agent, the silicon dioxide nano particles is rapidly compounded with blue-green algae cells under the effect of the cationic polyelectrolyte containing amidogen to form blue-green algae aggregate, the blue-green algae aggregate sinks to a water bottom with the aid of the gravity of silicon dioxide, so that growth of the blue-green algae is inhibited, and outbreak of the blue-green algae is prevented.
Description
Technical field
The present invention relates to environmental conservation and water treatment field, particularly relate to a kind of blue algae treatment agent and using method thereof and
Application.
Background technology
Cyanophyceae is prokaryote, cries again blue-green alge cyanobacteria；There is colloid clothing outside the cell wall of most of cyanophyceaes, cry again viscous
Algae.In algae bio, cyanophyceae be the most simply, the most original unicellular organism, do not have nucleus, cell central authorities to have nuclear matter,
Generally being in granular form or netted, pigment is evenly distributed in Cytoplasm.Nuclear matter does not has nuclear membrane and kernel, has the merit of core
Can, therefore referred to as protokaryon (or nucleoid).Cyanophyceae has cyclic DNA plasmid, takes on the effect of carrier.Due to water resource environment extremely
Badly cause cyanophyceae amount reproduction and destroy the phenomenon of ecological balance and be referred to as blue-green alga bloom.
The outburst of blue-green alga bloom has had become as a global problem, and incidence rate has in the trend risen year by year.
Many cyanophyceaes in nature can form air bag at cell interior, and these air bags can help them to float to catch in water body
Obtain more sunlight.These floating cyanophyceaes gather on a large scale at the water surface and define wawter bloom just.Some species of cyanophyceae, example
Such as Microcystis aeruginosa (Microcystis), anabena (Anabaena) and silk capsule algae (Aphanizomenon) etc., they are when outburst
A series of Algae toxins can be discharged in water body, the health of these Algae toxins meeting serious threat human and animal, especially have
The strongest liver toxicity.The more important thing is, after blue-green alga bloom outburst, Dissolved Oxygen in Water can be caused to decline rapidly, destroy aquatic environment
Ecosphere, draw water deficiency.Along with economic fast development and the excessive use to water resource, a lot of lakes of China
The most seriously receive the harm of blue-green alga bloom.Such as, the algal bloom in Taihu Lake in 2007 (China, Jiangsu Province) directly results in
The drinking water crisis of Wuxi City, about five million peoples are affected by.
In order to avoid with alleviate the harm that blue-green alga bloom brings, people have invented a variety of strategy to remove blue-green alga bloom.
The most the most frequently used processing method, one is to use chemistry algicide and flocculant, and two is manually to fish for.Both approaches, the former
Lacking biological selectivity, and can produce secondary pollution, bring other adverse effects to water environment, the latter then needs to consume in a large number
Man power and material, cost is the highest.The more important thing is, the method processing blue-green alga bloom that current people use all is concentrated mainly on
Process after algal bloom, and the outburst of blue-green alga bloom can not be suppressed.Due to the eutrophication of water body be algal bloom
One of key factor, the phosphorus load capacity therefore reduced in waters and deposit is most widely used method, but this
Method cost is the highest, is also not suitable for widespread adoption.Environmental Technology based on biological interaction is the most modern control
The method of blue-green alga bloom outburst, although have very much prospect, but Use Limitation fruit is inconspicuous on a large scale.So, develop safer
The method of effective suppression blue-green alga bloom outburst is a huge challenge for the mankind.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of blue algae treatment agent based on silicon dioxide.
In the water body of nature, bottom is dark compared with the water surface, and temperature is generally low than the water surface (except winter), institute
Photosynthetic growth and the cell division of Cells of Blue-green Algae can be limited, by nano SiO 2 particle and Cells of Blue-green Algae with the environment of bottom
Compound so that Cells of Blue-green Algae is spontaneous under the action of gravity of silicon dioxide is deposited to the bottom, thus suppresses the light symphysis of cyanophyceae
Length and cell division, suppress blue algae bloom.But the cyanophyceae being usually formed wawter bloom can form air bag, these gas at cell interior
Capsule can help them to float to capture more sunlight in water body.These floating cyanophyceaes collect on a large scale at the water surface just
Gather and define wawter bloom.Cells of Blue-green Algae surface is the most electronegative, and nano SiO 2 particle is the most also that band is negative
Electricity, under the cationic polyelectrolyte effect containing amido, Cells of Blue-green Algae can be combined rapidly with nano SiO 2 particle
And form cyanophyceae aggregation, owing to the density of silicon dioxide is bigger than water, cyanophyceae/silica complex is deposited to rapidly the bottom.
A kind of blue algae treatment agent, including following components: nano SiO 2 particle and the poly-electrolysis of the cation containing amido
Matter, both mass ratioes are 20～50: 1.
Preferably, the mass ratio between nano SiO 2 particle and the cationic polyelectrolyte containing amido is 25～35
∶1.Most preferably, the mass ratio between nano SiO 2 particle and the cationic polyelectrolyte containing amido is 30: 1.
Preferably, the particle diameter of described nano SiO 2 particle is not more than 100nm.The particle diameter one of nano SiO 2 particle
As refer to meansigma methods, can have fluctuation in a little scope.When particle diameter is the biggest, effect meeting relative mistake is a little, because can be very fast
Sink to the bottom, and part may be had to have little time and cyanophyceae interacts.It is furthermore preferred that the grain of described nano SiO 2 particle
Footpath is 20～30nm.
Polyelectrolyte is the long chain macromolecule with ionogen, and this family macromolecule can occur electricity in polar solvent
From, make to bring on macromolecular chain electric charge.On chain, the polyelectrolyte of band plus or minus electric charge is called polycation or polyanion respectively.
Polyelectrolyte is respectively provided with electrolyte and high molecular properties.Polyelectrolyte solution is similar to electrolyte solution, electrically conductive,
Similar macromolecular solution, has the biggest viscosity.Amido is per se with on schedule, and amido is preferable with silicon dioxide binding ability.
Preferably, the molecular weight of the described cationic polyelectrolyte containing amido is not more than 100000.With above-mentioned titanium dioxide
Nano silicon particles is the same, and when molecular weight is the biggest, effect meeting relative mistake is a little, because the bottom can be sunk to quickly, and may have part
Have little time to interact with cyanophyceae.It is furthermore preferred that the described cationic polyelectrolyte containing amido is poly dimethyl allyl
One in ammonium chloride, polymine or cationic-type polyacrylamide or combination.Wherein, poly dimethyl allyl chlorination
The molecular weight of ammonium is 50000～100000, and the molecular weight of polymine is 4500～6500, cationic-type polyacrylamide
Molecular weight is 40000～100000.
Invention further provides the application in administering the water pollution that cyanophyceae causes of the described blue algae treatment agent.The present invention is blue
Algae inorganic agent is mainly used in being combined with the cyanophyceae lived, and for having occurred and that the cyanophyceae dead cell of cell wall rupture combines effect
The most poor, so blue algae treatment agent of the present invention both can use when cyanophyceae does not the most break out formation wawter bloom to take precautions against in possible trouble,
Can also administer after forming wawter bloom, but for dead cell floating after forming wawter bloom, assemble settlement action poor.
Preferably, in described application, the kind of described cyanophyceae is in Microcystis aeruginosa, anabena, silk capsule algae or chlorella
Plant or multiple.These cyanophyceae kinds accounting when blue-green alga bloom occurs is relatively big, and all can produce Algae toxins.
Present invention also offers a kind of method administering the water pollution that cyanophyceae causes, comprise the following steps:
(1) cyanophyceae density in detection water body, when cyanophyceae density is more than 2 × 104Individual/mL time be judged to need process；
(2) blue algae treatment agent as described in claims 1 to 3 is arbitrary is sprinkling upon in pending water body, blue algae treatment agent
Usage amount is every cubic metre of water body 50～100mg.
Preferably, described method, first described blue algae treatment agent is dispersed in water formation dispersion liquid during use.Because this
The unit volume water body usage amount of invention blue algae treatment agent is less, so blue algae treatment agent being dispersed in the water of certain volume again
Sow in water more convenient, the most easily sow uniformly.
Blue algae treatment agent of the present invention utilizes nano SiO 2 particle under the cationic polyelectrolyte effect containing amido
It is combined rapidly with Cells of Blue-green Algae and forms cyanophyceae aggregation, then relying on the gravity of silicon dioxide to make cyanophyceae aggregation be deposited to water
The end, thus suppress the growth of cyanophyceae, prevent the outburst of cyanophyceae.
Accompanying drawing explanation
Fig. 1 is that in embodiment 1, Microcystis aeruginosa is assembled sedimentation result figure by blue algae treatment agent；
Fig. 2 is the observation by light microscope result figure of Microcystis aeruginosa, and wherein, figure A is untreated fish group, and figure B is process group；
Fig. 3 is Microcystis aeruginosa growing state result figure after blue algae treatment agent processes in embodiment 2, and wherein figure A is process group
With the direct observed result of untreated fish group, figure B is the change in cell density result figure of process group and untreated fish group；
Fig. 4 is Microcystis aeruginosa Algae toxins result of variations figure in embodiment 2.
Detailed description of the invention
Embodiment 1
By nano SiO 2 particle that particle diameter is 20～30nm and PDDA (PDADMAC, point
Son amount is 50000～100000) obtain blue algae treatment agent with mass ratio 20: 1 mixing.8 μ g blue algae treatment agent be there was added 80mL
(microcystis density: 2 × 10 in the beaker of Microcystis aeruginosa suspension6Individual/milliliter), final silica dioxide granule is at Microcystis aeruginosa suspension
In concentration be 100 μ g/L, result as it is shown in figure 1, Microcystis aeruginosa rapid aggregation sedimentation, after about 20min, substantially all gathering sink
Fall is in beaker bottom.
Cyanophyceae before and after using observation by light microscope to process, it can be seen that before using blue algae treatment agent to process, cyanophyceae is thin
Intercellular mutually disperses, and after processing, cyanophyceae assembles (Fig. 2).
Embodiment 2
By nano SiO 2 particle that particle diameter is 20～30nm and PDDA (PDADMAC, point
Son amount is 50000～100000) obtain blue algae treatment agent with mass ratio 25: 1 mixing.20 μ g blue algae treatment agent be there was added
(microcystis density: 2 × 10 in the culture bottle of 400mL Microcystis aeruginosa suspension6Individual/milliliter), final silica dioxide granule is micro-
Concentration in capsule algae suspension is 50 μ g/L, then observe assemble sedimentation after Microcystis aeruginosa increment situation, result as it is shown on figure 3,
In 12 days (d) times, do not add Microcystis aeruginosa rapid appreciation in the culture bottle of blue algae treatment agent, and reached plateau at about 10 days,
Afterwards to the 12nd day, quantity kept stable；And having added in the culture bottle of blue algae treatment agent, the quantity of Microcystis aeruginosa is basic
Maintain quantity at the beginning always, the most significantly rise in value.
The detection of Microcystis aeruginosa Algae toxins finds, within 12 day time, does not adds Microcystis aeruginosa algae poison in the culture bottle of blue algae treatment agent
Element concentration increases rapidly；And having added in the culture bottle of blue algae treatment agent, Microcystis aeruginosa Algae toxins maintains relatively low concentration always, does not has
Have and significantly increase (Fig. 4).
Embodiment 3
By nano SiO 2 particle that particle diameter is 50～60nm and polymine (PEI, molecular weight be 4500～
6500) blue algae treatment agent is obtained with mass ratio 30: 1 mixing.6.4 μ g blue algae treatment agent be there was added the burning of 80mL anabena suspension
(microcystis density: 2 × 10 in Bei6Individual/milliliter), final silica dioxide granule concentration in anabena suspension is 80 μ
G/L, result anabena rapid aggregation is deposited in beaker bottom.
Embodiment 4
By nano SiO 2 particle that particle diameter is 70～80nm and cationic-type polyacrylamide, (PAM, molecular weight is
40000～100000) blue algae treatment agent is obtained with mass ratio 50: 1 mixing.4.8 μ g blue algae treatment agent be there was added 80mL silk capsule
(microcystis density: 2 × 10 in the beaker of algae suspension5Individual/milliliter), final silica dioxide granule is in silk capsule algae suspension
Concentration is 60 μ g/L, and result silk capsule algae rapid aggregation is deposited in beaker bottom.
Embodiment 5
By nano SiO 2 particle that particle diameter is 90～100nm and cationic-type polyacrylamide, (PAM, molecular weight is
40000～100000) blue algae treatment agent is obtained with mass ratio 35: 1 mixing.4 μ g blue algae treatment agent be there was added 80mL chlorella
(microcystis density: 2 × 10 in the beaker of suspension4Individual/milliliter), dense in chlorella suspension of final silica dioxide granule
Degree is 50 μ g/L, and result chlorella rapid aggregation is deposited in beaker bottom.
Claims (10)
1. a blue algae treatment agent, it is characterised in that include following components: nano SiO 2 particle and the sun containing amido from
Sub-polyelectrolyte, both mass ratioes are 20～50: 1.
2. blue algae treatment agent as claimed in claim 1, it is characterised in that nano SiO 2 particle and the sun containing amido from
Mass ratio between sub-polyelectrolyte is 25～35: 1.
3. blue algae treatment agent as claimed in claim 1, it is characterised in that the particle diameter of described nano SiO 2 particle is not more than
100nm。
4. blue algae treatment agent as claimed in claim 3, it is characterised in that the particle diameter of described nano SiO 2 particle be 20～
30nm。
5. blue algae treatment agent as claimed in claim 1, it is characterised in that dividing of the described cationic polyelectrolyte containing amido
Son amount is not more than 100000.
6. blue algae treatment agent as claimed in claim 5, it is characterised in that the described cationic polyelectrolyte containing amido is poly-
One in dimethyl diallyl ammonium chloride, polymine or cationic-type polyacrylamide or combination.
7. the blue algae treatment agent as described in as arbitrary in claim 1～6 is in the application administered during the water that cyanophyceae causes pollutes.
Apply the most as claimed in claim 7, it is characterised in that the kind of described cyanophyceae be Microcystis aeruginosa, anabena, silk capsule algae or
One or more in chlorella.
9. the method administering the water pollution that cyanophyceae causes, it is characterised in that comprise the following steps:
(1) cyanophyceae density in detection water body, when cyanophyceae density is more than 2 × 104Individual/mL time be judged to need process；
(2) blue algae treatment agent as described in as arbitrary in claim 1～6 being sprinkling upon in pending water body, blue algae treatment agent uses
Amount is every cubic metre of water body 50～100mg.
10. method as claimed in claim 9, it is characterised in that first described blue algae treatment agent is dispersed in water shape during use
Become dispersion liquid.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126719A (en) * | 2018-11-06 | 2019-01-04 | 肖志宇 | A kind of cyanobacteria agent for capturing and preparation method thereof containing the magnetic rice husk that is carbonized |
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| CN101327981A (en) * | 2008-08-01 | 2008-12-24 | 孟中 | Active diatom nanometer water purification agent and production method thereof |
| CN103803690A (en) * | 2014-03-05 | 2014-05-21 | 中南大学 | Flocculating agent for simulating composition of microorganism extracellular polymeric substances and application method thereof |
| CN105072904A (en) * | 2013-04-10 | 2015-11-18 | 顺天大学校产学协力团 | Anti-algal bloom composition containing water-soluble free amine chitosan as active ingredient, and method for removing algal-bloom using same |
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2016
- 2016-06-30 CN CN201610530195.XA patent/CN106044878B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327981A (en) * | 2008-08-01 | 2008-12-24 | 孟中 | Active diatom nanometer water purification agent and production method thereof |
| CN105072904A (en) * | 2013-04-10 | 2015-11-18 | 顺天大学校产学协力团 | Anti-algal bloom composition containing water-soluble free amine chitosan as active ingredient, and method for removing algal-bloom using same |
| CN103803690A (en) * | 2014-03-05 | 2014-05-21 | 中南大学 | Flocculating agent for simulating composition of microorganism extracellular polymeric substances and application method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109126719A (en) * | 2018-11-06 | 2019-01-04 | 肖志宇 | A kind of cyanobacteria agent for capturing and preparation method thereof containing the magnetic rice husk that is carbonized |
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Effective date of registration: 20190109 Address after: 310051 Room 131, Building 2, No. 1197 Binan Road, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Ruizao Technology Co., Ltd. Address before: 310027 No. 38, Zhejiang Road, Hangzhou, Zhejiang, Xihu District Applicant before: Zhejiang University |
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