CN104445554A - Modified red soil for removing cyanobacteria and preparation method - Google Patents
Modified red soil for removing cyanobacteria and preparation method Download PDFInfo
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- CN104445554A CN104445554A CN201410701818.6A CN201410701818A CN104445554A CN 104445554 A CN104445554 A CN 104445554A CN 201410701818 A CN201410701818 A CN 201410701818A CN 104445554 A CN104445554 A CN 104445554A
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- red soil
- polyepichlorohydrin
- dimethylamine
- mother liquor
- ferric sulfate
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Sorption (AREA)
- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses modified red soil for removing cyanobacteria. The modified red soil comprises raw materials in percentage as follows: red soil, polyepichlorohydrin-dimethylamine, polymeric ferric sulfate and water. A preparation method of the modified red soil comprises steps as follows: 1, weighing out the polyepichlorohydrin-dimethylamine, and diluting the polyepichlorohydrin-dimethylamine with water through stirring to obtain a polyepichlorohydrin-dimethylamine mother solution; 2, weighing out the polymeric ferric sulfate, and diluting the polymeric ferric sulfate with water to obtain a polymeric ferric sulfate mother solution; 3, weighing out the red soil, and dissolving the red soil after drying and grinding to obtain a red soil mother solution; 4, adding the polyepichlorohydrin-dimethylamine mother solution and the polymeric ferric sulfate mother solution to the red soil mother solution, and diluting the mixture with water to obtain the modified red soil. According to the modified red soil, the polyepichlorohydrin-dimethylamine and the polymeric ferric sulfate are used as flocculating agents, the red soil is used as a flocculation aid, and active aluminium and active iron, which are higher in content, of the red soil are used as coagulants, so that the cyanobacteria removal rate is increased, and secondary pollution cannot be caused after the cyanobacteria are removed. The preparation method is simple, low in cost and simple to operate.
Description
Technical field
The present invention relates to a kind of material for removing blue-green algae in water body and preparation method thereof, being specifically related to a kind of modification red soil for removing blue-green algae and preparation method.
Background technology
Along with the industrialized development of China, the water pollutions particularly frequency of body eutrophication and scope all increases significantly.Blue-green alga bloom is a more significant feature of body eutrophication, and the amount reproduction forming wawter bloom algae is the sensitivity sign of change of water quality, is the mainly apparent of body eutrophication.Wawter bloom algae may produce poisonous and hazardous secondary metabolite (Algae toxins and smell substance), be discharged in water body, hydrobiont and even human health are constituted a threat to, cause water body and fishery products Peculiar Smell, make water body and fishery products produce pungent niff, cause mankind's drinking-water quality to decline, water treatment expends significantly to be increased, fishery economic directly suffers a loss, and has a strong impact on ecoscape and the mankind and to divert oneself the aesthetic values of tourist area.Containment water body in lake Trend of Eutrophication and prevent and treat algal bloom harm, has become most important society and ecological problem that Water resources security strategy must solve.
Some progress are obtained both at home and abroad in the research of lake and reservoir eutrophication and algal bloom (comprising cyanophycean toxin) control, adopt ultrasonic algae removing method, put silver carp flathead Biological control method, chitin modified soil method in a suitable place to breed on a large scale, these methods achieve certain effect in removal blue-green algae; What machinery salvaging separation etc. also used in each blue-green alga bloom lake in addition is comparatively extensive.But the limitation that current various method is suitable for all clearly, ultrasonic algae removing, chitin modified soil except algae and mechanical Refloatation method all with high costs, be difficult to continue to promote big area use, silver carp flathead Biological control effect is slow and actual effect also exists larger dispute, therefore the algae-removing method developing low cost is extremely urgent, this programme adopts cheap commercialization raw material polyamine and bodied ferric sulfate, in conjunction with the rich iron alumina minium earth in the areas such as Jiangxi Guangdong And Hainan, obtain a kind of cheap, the polyamine iron modification red soil that can use on a large scale, to efficiently removing blue-green alga bloom in large lake surface water body.
Summary of the invention
The object of the invention is to overcome traditional algae-removing technology high energy consumption in process blue-green alga bloom, inefficient, the disadvantageous effect of the factors such as high cost, provide the modification red soil formula that a kind of cheapness removes blue-green algae, this material possesses stable performance, simple to operate, has good immunity from interference to the impurity in sewage, simultaneously can be suspended thing, total nitrogen, total phosphorus etc. in high degree purifying water body, and blue-green alga bloom Dissolved Oxygen in Water concentration can be improved.Be applicable to very much extensive preparation, efficient removal Cells of Blue-green Algae function, this material price is cheap simultaneously, and Environmental compatibility is good, has no side effect to water body, can on a large scale for all kinds of eutrophic water body blue-green alga bloom injury survey such as lake, river, ponds.Red soil itself lacks nutritive salt as N P and K etc., less than general soil to the negative secondary pollution of water body, but except algae efficiency is higher than general soil, possesses the efficient feature of certain environmental protection.
Another object of the present invention is the preparation method that there are provided a kind of modification red soil for removing blue-green algae, preparation method is simple, and the method is with low cost, simple to operate, be applicable to very much extensive preparation, for the Large scale field application of material provides solid good technical foundation.
In the present invention, the implication of each term is explained as follows:
G/l: concentration unit, grams per liter; Min: time unit, minute; Cells/L: concentration unit, cell count/liter; Mg/l: concentration unit, mg/litre.
The present invention is realized by following proposal:
For removing a modification red soil for blue-green algae, with parts by weight, it is made up of following raw materials according proportioning:
Red soil 20-100 part
Polyepichlorohydrin-dimethylamine 1-25 part
Bodied ferric sulfate 1-30 part
Water 850-1000 part.
Further, it is made up of following raw materials according proportioning:
Red soil 25-60 part
Polyepichlorohydrin-dimethylamine 2-20 part
Bodied ferric sulfate 2-20 part
Water 900-980 part.
Further, it is made up of following raw materials according proportioning:
Red soil 30-35 part
Polyepichlorohydrin-dimethylamine 3-6 part
Bodied ferric sulfate 3-6 part
Water 950-960 part.
Further, in described red soil, the mass content of active aluminum is 5-15%, the mass content of active iron is 4-10%, organism mass content is 0.2-1%, total phosphorus mass content is 0.01-0.03%, the molecular weight of described polyepichlorohydrin-dimethylamine is 15-25 ten thousand, and the full weight of iron content of described bodied ferric sulfate is 18.5-21%.
For removing a preparation method for the modification red soil of blue-green algae, comprise the following steps:
Step one, weighs a certain amount of polyepichlorohydrin-dimethylamine, and add water agitation and dilution to 20 g/l, obtains polyepichlorohydrin-dimethylamine mother liquor;
Step 2, weighs a certain amount of bodied ferric sulfate and is diluted with water to 20 g/l, obtain bodied ferric sulfate mother liquor;
Step 3, weighs a certain amount of red soil, puts into sour water and dissolve after drying and grinding, obtains red soil mother liquor;
The bodied ferric sulfate mother liquor that step 4, polyepichlorohydrin-dimethylamine mother liquor step one obtained and step 2 obtain joins in the red soil mother liquor that step 3 obtains, and obtains the modification red soil for removing blue-green algae after thin up;
The polyepichlorohydrin-dimethylamine mother liquor added in step 4, bodied ferric sulfate mother liquor and red soil mother liquor ratio are 1:0.5 ~ 2:4 ~ 10.
Further, the sour water described in step 3 is pH value is 1-6.
Further, in step 4, polyepichlorohydrin-dimethylamine mother liquor and bodied ferric sulfate mother liquor join in the process of red soil mother liquor, carry out stirring operation, and churning time is 10-30 min.
Beneficial effect of the present invention is:
1. a kind of polyamine iron modification red soil removing blue-green alga bloom of the present invention comprises polyepichlorohydrin-dimethylamine, bodied ferric sulfate and red soil, make, between the blue-green algae in water body, bridging action occurs for flocculation agent with polyepichlorohydrin-dimethylamine and bodied ferric sulfate, promote that single blue-green algae is gathered on molecular chain, take red soil as coagulant aids, the density of red soil is larger, being connected on molecular chain to drive the blue-green algae flocked together to be deposited to water bottom, the active aluminum that content in red soil is higher and active iron can as coagulating agent, improve the clearance to blue-green algae, and organic content in red soil and total phosphorous are all lower than the soil of other types, secondary pollution can not be caused after removing blue-green algae,
2. the present invention also provides a kind of preparation method of the modification red soil for removing blue-green algae, and this preparation method is simple, and preparation cost is cheap, simple to operate, is applicable to very much extensive preparation, for the Large scale field application of material provides solid good technical foundation.
Accompanying drawing explanation
Fig. 1 is the blue algae removal efficiency of different time node.
Embodiment
Below in conjunction with Fig. 1, the present invention is further described:
Embodiment 1
For removing a modification red soil for blue-green algae, with parts by weight, it is made up of following raw materials according proportioning:
32 parts, red soil
Polyepichlorohydrin-dimethylamine 5 parts
Bodied ferric sulfate 5 parts
958 parts, water.
Further, in described red soil, the mass content of active aluminum is 5-15%, the mass content of active iron is 4-10%, organism mass content is 0.2-1%, total phosphorus mass content is 0.01-0.03%, the molecular weight of described polyepichlorohydrin-dimethylamine is 15-25 ten thousand, and the full weight of iron content of described bodied ferric sulfate is 18.5-21%.
For removing a preparation method for the modification red soil of blue-green algae, comprise the following steps:
Step one, weighs the polyepichlorohydrin-dimethylamine of 5 g, and add water agitation and dilution to 20 g/l, obtains polyepichlorohydrin-dimethylamine mother liquor;
Step 2, the bodied ferric sulfate weighing 5 g is diluted with water to 20 g/l, obtains bodied ferric sulfate mother liquor;
Step 3, weighs the red soil of 32 g, puts into water dissolved dilution to 20 g/l that pH value is 3, obtain red soil mother liquor after drying and grinding;
The bodied ferric sulfate mother liquor that step 4, polyepichlorohydrin-dimethylamine mother liquor step one obtained and step 2 obtain joins in the red soil mother liquor that step 3 obtains, and thin up obtains the modification red soil for removing blue-green algae after being settled to 1l.Join in the process of red soil mother liquor at polyepichlorohydrin-dimethylamine mother liquor and bodied ferric sulfate mother liquor, carry out stirring operation, churning time is 15 min.
The modification red soil configured, when implementing, is directly sprayed at the pending water surface by modification red soil of the present invention.
Choose the wawter bloom sample (Microcystis aeruginosa population dominance is greater than 95%) in blue-green alga bloom lake, urban district, Nanchang one, by the whole concentration of Cells of Blue-green Algae 25# plant plankton network regulation to concentration about 3 × 10
9cells/L, add modification red soil amount 40 mg/L, mix and blend left standstill after about 15 seconds, at 5min, 15min, 30min, 45min, 60min, 90min sampling spot timing sampling.Count on microscope after sample ultrasonic cell-break device is ultrasonic, different time node blue algae removal efficiency figure is shown in Fig. 1.From Fig. 1, can find out that the blue algae removal efficiency of modification red soil of the present invention is higher than other soil of modification, when 90 min, the blue clearance of modification red soil is 83%, and the clearance of other soil of modification is 77%, this is because the content of active aluminum is 10% in red soil, the content of active iron is 5%, active aluminum and active iron are as coagulating agent, make single blue-green algae " de-steady ", so flock together and sedimentation faster, so the blue-green algae removal ability of enhancing modified red soil under the effect by collision, absorption.
Modification red soil of the present invention not only can remove the blue-green algae in water body, simultaneously can be suspended thing, total nitrogen, total phosphorus etc. in high degree purifying water body, and blue-green alga bloom Dissolved Oxygen in Water concentration can be improved, table 1 is the water quality factor change list added before and after modification red soil, can find out, after adding modification red soil in water body be suspended thing, total nitrogen, total phosphorus all reduce, and the dissolved oxygen concentration in water body increases.
Blue-green alga bloom sample water quality parameter before table 1 dosing and after dosing
Embodiment 2
The modification red soil for removing blue-green algae in the present embodiment, with parts by weight, it is made up of following raw materials according proportioning:
20 parts, red soil
Polyepichlorohydrin-dimethylamine 1 part
Bodied ferric sulfate 1 part
972 parts, water.
Further, in described red soil, the mass content of active aluminum is 5-15%, the mass content of active iron is 4-10%, organism mass content is 0.2-1%, total phosphorus mass content is 0.01-0.03%, the molecular weight of described polyepichlorohydrin-dimethylamine is 15-25 ten thousand, and the full weight of iron content of described bodied ferric sulfate is 18.5-21%.
For removing a preparation method for the modification red soil of blue-green algae, comprise the following steps:
Step one, weighs the polyepichlorohydrin-dimethylamine of 1 g, and add water agitation and dilution to 20 g/l, obtains polyepichlorohydrin-dimethylamine mother liquor;
Step 2, the bodied ferric sulfate weighing 1 g is diluted with water to 20 g/l, obtains bodied ferric sulfate mother liquor;
Step 3, weighs the red soil of 20 g, puts into water dissolved dilution to 20 g/l that pH value is 2, obtain red soil mother liquor after drying and grinding;
The bodied ferric sulfate mother liquor that step 4, polyepichlorohydrin-dimethylamine mother liquor step one obtained and step 2 obtain joins in the red soil mother liquor that step 3 obtains, and thin up obtains the modification red soil for removing blue-green algae after being settled to 1l.Join in the process of red soil mother liquor at polyepichlorohydrin-dimethylamine mother liquor and bodied ferric sulfate mother liquor, carry out stirring operation, churning time is 10 min.
Embodiment 3
The modification red soil for removing blue-green algae in the present embodiment, with parts by weight, it is made up of following raw materials according proportioning:
100 parts, red soil
Polyepichlorohydrin-dimethylamine 25 parts
Bodied ferric sulfate 30 parts
875 parts, water.
Further, in described red soil, the mass content of active aluminum is 5-15%, the mass content of active iron is 4-10%, organism mass content is 0.2-1%, total phosphorus mass content is 0.01-0.03%, the molecular weight of described polyepichlorohydrin-dimethylamine is 15-25 ten thousand, and the full weight of iron content of described bodied ferric sulfate is 18.5-21%.
For removing a preparation method for the modification red soil of blue-green algae, comprise the following steps:
Step one, weighs the polyepichlorohydrin-dimethylamine of 25 g, and add water agitation and dilution to 20 g/l, obtains polyepichlorohydrin-dimethylamine mother liquor;
Step 2, the bodied ferric sulfate weighing 35 g is diluted with water to 20 g/l, obtains bodied ferric sulfate mother liquor;
Step 3, weighs the red soil of 100 g, puts into water dissolved dilution to 20 g/l that pH value is 2, obtain red soil mother liquor after drying and grinding;
The bodied ferric sulfate mother liquor that step 4, polyepichlorohydrin-dimethylamine mother liquor step one obtained and step 2 obtain joins in the red soil mother liquor that step 3 obtains, and thin up obtains the modification red soil for removing blue-green algae after being settled to 1l.Join in the process of red soil mother liquor at polyepichlorohydrin-dimethylamine mother liquor and bodied ferric sulfate mother liquor, carry out stirring operation, churning time is 30 min.
Although done comparatively detailed elaboration to technical scheme of the present invention and enumerated; be to be understood that; to those skilled in the art; amendment is made to above-described embodiment or adopts equivalent replacement scheme; this is apparent to those skilled in the art; these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (7)
1. for removing a modification red soil for blue-green algae, it is characterized in that, with parts by weight, it is made up of following raw materials according proportioning:
Red soil 20-100 part
Polyepichlorohydrin-dimethylamine 1-25 part
Bodied ferric sulfate 1-30 part
Water 850-1000 part.
2. the modification red soil for removing blue-green algae according to claim 1, it is characterized in that: with parts by weight, it is made up of following raw materials according proportioning:
Red soil 25-60 part
Polyepichlorohydrin-dimethylamine 2-20 part
Bodied ferric sulfate 2-20 part
Water 900-980 part.
3. the modification red soil for removing blue-green algae according to claim 1, it is characterized in that: with parts by weight, it is made up of following raw materials according proportioning:
Red soil 30-35 part
Polyepichlorohydrin-dimethylamine 3-6 part
Bodied ferric sulfate 3-6 part
Water 950-960 part.
4. according to the modification red soil for removing blue-green algae in claim 1,2,3 described in arbitrary claim, it is characterized in that, in described red soil, the mass content of active aluminum is 5-15%, the mass content of active iron is 4-10%, organism mass content is 0.2-1%, total phosphorus mass content is 0.01-0.03%, and the molecular weight of described polyepichlorohydrin-dimethylamine is 15-25 ten thousand, and the full weight of iron content of described bodied ferric sulfate is 18.5-21%.
5., for removing a preparation method for the modification red soil of blue-green algae, its spy is, comprises the following steps:
Step one, weighs a certain amount of polyepichlorohydrin-dimethylamine, and add water agitation and dilution to 20 g/l, obtains polyepichlorohydrin-dimethylamine mother liquor;
Step 2, weighs a certain amount of bodied ferric sulfate and is diluted with water to 20 g/l, obtain bodied ferric sulfate mother liquor;
Step 3, weighs a certain amount of red soil, puts into sour water dissolved dilution to 20 g/l, obtain red soil mother liquor after drying and grinding;
Step 4, the bodied ferric sulfate mother liquor that polyepichlorohydrin-dimethylamine mother liquor step one obtained and step 2 obtain joins in the red soil mother liquor that step 3 obtains, and obtains the modification red soil for removing blue-green algae after thin up;
The polyepichlorohydrin-dimethylamine mother liquor added in step 4, bodied ferric sulfate mother liquor and red soil mother liquor ratio are 1:0.5 ~ 2:4 ~ 10.
6. the preparation method of the modification red soil for removing blue-green algae according to claim 5, is characterized in that: the sour water described in step 3 is pH value is 1-6.
7. the preparation method of the modification red soil for removing blue-green algae according to claim 5, it is characterized in that: in step 4, polyepichlorohydrin-dimethylamine mother liquor and bodied ferric sulfate mother liquor join in the process of red soil mother liquor, carry out stirring operation, churning time is 10-30 min.
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| CN105600897A (en) * | 2016-02-04 | 2016-05-25 | 西南大学 | Compound treatment agent for landscape water body |
| CN108622988A (en) * | 2017-08-29 | 2018-10-09 | 乌鲁木齐市科发展精细化工有限公司 | High synergistic non-molten composite dephosphorization flocculant and its application process altogether |
| CN109319898A (en) * | 2018-11-09 | 2019-02-12 | 江西省水利科学研究院 | Quick Coagulation removes cyanobacteria modified soil and preparation method thereof |
| CN111253002A (en) * | 2020-01-19 | 2020-06-09 | 贝嘉美(天津)生物技术研发股份有限公司 | Water body blue algae treating agent and preparation method and application thereof |
| CN112830558A (en) * | 2020-12-31 | 2021-05-25 | 江西省水利科学研究院 | Selectively-killing-deactivated blue algae-removing modified soil and preparation method thereof |
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| CN111253002A (en) * | 2020-01-19 | 2020-06-09 | 贝嘉美(天津)生物技术研发股份有限公司 | Water body blue algae treating agent and preparation method and application thereof |
| CN112830558A (en) * | 2020-12-31 | 2021-05-25 | 江西省水利科学研究院 | Selectively-killing-deactivated blue algae-removing modified soil and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN104445554B (en) | 2016-08-24 |
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