CN103214074B - Aquaculture water purification agent and preparation method thereof - Google Patents
Aquaculture water purification agent and preparation method thereof Download PDFInfo
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Abstract
The invention relates to an aquaculture water purification agent. The purification agent comprises the following components in parts by weight: 200-300 parts of polyaluminium chloride, 200-300 parts of potassium ferrate, 0.1-20 parts of cationoid polyacrylamide, 1-20 parts of powdered sulfur, 10-100 parts of activated carbon, 2-40 parts of calcium oxide, 100-300 parts of zeolite powder, 100-300 parts of kieselguhr and 0.1-5 parts of copper sulphate. The invention further relates to a preparation method of the aquaculture water purification agent. The aquaculture water purification agent is ingenious in design, has a physical purification and chemical agent synergistic effect and an obvious coagulation effect, quickly and thoroughly purifies and is suitable for large-scale popularization and application.
Description
Technical field
The present invention relates to scavenging agent technical field, particularly water quality cleansing agent technical field, specifically refers to a kind of aquaculture water purifying agent and preparation method thereof.
Background technology
China Shi Yige aquaculture big country, but along with culture fishery development, people have but ignored aquatic products death or the underproduction that the deteriorating water quality of aquaculture water causes.A part of reason of aquatic products death or the underproduction is the excessive input bait of people, and some easily cause the unreasonable discharge of the rich nutritive materials such as phosphorus of wawter bloom, red tide, also has in addition heavy metal etc.
Although aquaculture water is processed in recent years, aspect physics, there is very large breakthrough, aspect chemicals, still had very large defect.At present, China's water treatment aspect is still being used: the coagulating agent such as potassium ferrate, polymerize aluminum chloride, bodied ferric sulfate, the poly-propionic acid amide of nonionic, the poly-propionic acid amide of positively charged ion, in addition also have oxygenant and the sorbent materials such as gac, bromochlorohydantoin, zeolite powder, diatomite, the oxygenation agents such as SPC-D, Potassium Persulphate.Although these chemicals treatment effects are fine, but have limitation and specific aim: coagulating agent can only coagulation and the action period long, flocculation agent can only flocculate, oxidant content does not have effect less, and the poisoning of the many one-tenth of amount, though sorbent material agent there is not poisoning, but the amount of use is large, oxygenation agent can only oxygenation etc., under this background, a kind ofly can improve significant that the novel water quality cleansing agent of brand-new multifunctional and composite type that water quality declines day by day just becomes.
Therefore, need to provide a kind of aquaculture water purifying agent, it has physical cleaning and chemicals synergy, and coagulation effect is obvious, purifies fast thoroughly.
Summary of the invention
The object of the invention is to have overcome above-mentioned shortcoming of the prior art, a kind of aquaculture water purifying agent and preparation method thereof is provided, this aquaculture water purifying agent design is ingenious, there is physical cleaning and chemicals synergy, coagulation effect is obvious, purify fast thoroughly, be suitable for large-scale promotion application.
To achieve these goals, in a first aspect of the present invention, a kind of aquaculture water purifying agent is provided, be characterized in, comprise polymerize aluminum chloride, potassium ferrate, cationic poly propionic acid amide, sulphur powder, gac, calcium oxide, zeolite powder, diatomite and copper sulfate, wherein said zeolite powder is 200-300 weight part, described potassium ferrate is 200-300 weight part, described cationic poly propionic acid amide is 0.1-20 weight part, described sulphur powder is 1-20 weight part, described gac is 10-100 weight part, described calcium oxide is 2-40 weight part, described zeolite powder is 100-300 weight part, described diatomite is 100-300 weight part, described copper sulfate is 0.1-5 weight part.
Preferably, described zeolite powder is 200 weight parts, described potassium ferrate is 300 weight parts, described cationic poly propionic acid amide is 0.1 weight part, and described sulphur powder is 1 weight part, and described gac is 10 weight parts, described calcium oxide is 40 weight parts, described zeolite powder is 300 weight parts, and described diatomite is 100 weight parts, and described copper sulfate is 0.1 weight part.
Preferably, described zeolite powder is 250 weight parts, described potassium ferrate is 250 weight parts, described cationic poly propionic acid amide is 10 weight parts, and described sulphur powder is 10 weight parts, and described gac is 50 weight parts, described calcium oxide is 20 weight parts, described zeolite powder is 200 weight parts, and described diatomite is 200 weight parts, and described copper sulfate is 2.5 weight parts.
Preferably, described zeolite powder is 300 weight parts, described potassium ferrate is 200 weight parts, described cationic poly propionic acid amide is 20 weight parts, and described sulphur powder is 20 weight parts, and described gac is 100 weight parts, described calcium oxide is 2 weight parts, described zeolite powder is 100 weight parts, and described diatomite is 300 weight parts, and described copper sulfate is 5 weight parts.
In a second aspect of the present invention, a kind of preparation method of above-mentioned aquaculture water purifying agent is provided, be characterized in, described polymerize aluminum chloride, described potassium ferrate, described cationic poly propionic acid amide, described sulphur powder, described gac, described calcium oxide, described zeolite powder, described diatomite and described copper sulfate are pulverized and mixed, thereby be then dried and make pulverous described aquaculture water purifying agent.
Preferably, after described being dried, also cross 70 mesh sieves.
Preferably, described pulverizing is carried out in pulverizer.
Beneficial effect of the present invention is specifically:
1, aquaculture water purifying agent of the present invention comprises polymerize aluminum chloride, potassium ferrate, cationic poly propionic acid amide, sulphur powder, gac, calcium oxide, zeolite powder, diatomite and copper sulfate, wherein said zeolite powder is 200-300 weight part, described potassium ferrate is 200-300 weight part, described cationic poly propionic acid amide is 0.1-20 weight part, described sulphur powder is 1-20 weight part, described gac is 10-100 weight part, described calcium oxide is 2-40 weight part, described zeolite powder is 100-300 weight part, described diatomite is 100-300 weight part, described copper sulfate is 0.1-5 weight part, thereby decompose potassium ferrate fast to purification of water quality by catalysis of cupric sulphate, and can kill water quality bacteria, thereby reduce its action period, adopted the highly effective coagulation ability of poly aluminium chloride, ability synergistic purification water quality is coagulated in helping of the poly-propionic acid amide of positively charged ion, adopt physical adsorption and chemical oxidation synergy, make to purify water more obvious and thorough, therefore design ingeniously, have physical cleaning and chemicals synergy, coagulation effect is obvious, purifies fast thoroughly, is suitable for large-scale promotion application.
2, the preparation method of aquaculture water purifying agent of the present invention pulverizes described polymerize aluminum chloride, described potassium ferrate, described cationic poly propionic acid amide, described sulphur powder, described gac, described calcium oxide, described zeolite powder, described diatomite and described copper sulfate mix, thereby be then dried and make pulverous described aquaculture water purifying agent, preparation method is easy, is suitable for large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the affect schematic diagram of aquaculture water purifying agent of the present invention on cultivation water pH.
Fig. 2 is aquaculture water purifying agent of the present invention and the schematic diagram of similar water quality cleansing agent to cultivation water COD, suspended substance purification rate.
Fig. 3 is aquaculture water purifying agent of the present invention and the schematic diagram of similar water quality cleansing agent to cultivation water nitroso-group purification rate.
Fig. 4 is aquaculture water purifying agent of the present invention and the schematic diagram of similar water quality cleansing agent to cultivation water ammonia nitrogen purification rate.
Embodiment
In order more clearly to understand technology contents of the present invention, especially exemplified by following examples, describe in detail.
1, experimental section
1.1 experimental raw
Table 1 main raw material
| Title | Specification | Manufacturer |
| Polymerize aluminum chloride | Technical grade | Chemical Reagent Co., Ltd., Sinopharm Group |
| Potassium ferrate | Technical grade | Chemical Reagent Co., Ltd., Sinopharm Group |
| Cationic poly propionic acid amide | Technical grade | The high water-based novel material of Shanghai space Science and Technology Co., Ltd. |
| Sulphur powder | Technical grade | Chemical Reagent Co., Ltd., Sinopharm Group |
| Gac | Technical grade | The high water-based novel material of Shanghai space Science and Technology Co., Ltd. |
| Calcium oxide | Technical grade | Chemical Reagent Co., Ltd., Sinopharm Group |
| Zeolite powder | Technical grade | The high water-based novel material of Shanghai space Science and Technology Co., Ltd. |
| Diatomite | Technical grade | The high water-based novel material of Shanghai space Science and Technology Co., Ltd. |
| Sodium Nitrite | Analytical pure | Chemical Reagent Co., Ltd., Sinopharm Group |
| Potassium bichromate | Analytical pure | Chemical Reagent Co., Ltd., Sinopharm Group |
| CuSO 4 | Analytical pure | Chemical Reagent Co., Ltd., Sinopharm Group |
1.2 experimental instrument and equipment
High speed disintegrator, moisture eliminator, glass membrane filter, No. 4 sand core funnels, acid buret, the ET99732 of ENOVI company Multifunctional water analyser, the HI-93715 of HANNA company ammonia nitrogen determination instrument, Feng Jiexing source, Beijing DY of scientific & technical corporation mono-III type Water Test Kits etc.
The preparation of 1.3 two kinds of water quality cleansing agents
Get the polymerize aluminum chloride of 200-300 weight part, the cationic poly propionic acid amide of the potassium ferrate of 200-300 weight part, 0.1-20 weight part, the high speed disintegrator of putting into of the gac of the sulphur powder of 1-20 weight part, 10-100 weight part, 2-40 weight part calcium oxide, the zeolite powder of 100-300 weight part, the diatomite of 100-300 weight part, 0.1-5 weight part CuSO4 pulverize and mix, remove cross 70 mesh sieves after sample drying after sealing make aquaculture water purifying agent powder of the present invention.
With reference to Chinese patent application CN101306859A, make similar water quality cleansing agent.
More than 1.4 Biochemical Indexes
PH: press GB/T9620 glass electrode method and measure;
COD: press GB/T11914 potassium dichromate process and measure;
Suspended substance: press GB/T11901 gravimetric determination;
Ammonia nitrogen: press GB/T7481 Whitfield's ointment spectrophotometry;
Nitrite: press GB/T7493 molecular absorption spectrophotometry
Heavy metal copper ion: press GB/T7474 Thiocarb spectrophotometry.
1.5 detect the processing of water sample
Culturing pool: get a certain pond, Harbor, Nanhui, Shanghai City, the fishery cultivating water of processing without any sterilizing agent is as subjects.17.3 ℃ of sampling water temperatures, this water source algae is more.Every Raw performance is in Table 2.Detection method is with reference to GB/T ll607-1989 water quality standard for fishery, and before dosing, exceed standard 53 times, suspended substance of ammonia nitrogen exceed standard 4.5 times, and cupric ion exceeds standard 5 times, belongs to severe overweight.After sampling, first measure the pH of water sample, react 60min after adding the sample of each mass concentration, measure the variation of pH.Because the impurity such as the mucus of the water sample Mesichthyes obtaining, ight soil are more.The equal preliminary precipitation 1h of mensuration of other hydration index, gets 500ml supernatant liquor, adds human sample, and 100r/min stirs 3min, and 20 ℃ of shadings reaction 12h, get supernatant liquor and measure, every kind of mass concentration arrange 3 parallel.
2 results and discussion
Culturing pool test-results is in Table 2 and Fig. 1～Fig. 4.
Table 2: adopt aquaculture water purifying agent of the present invention to water quality improvement situation
2.1 impacts of aquaculture water purifying agent of the present invention on water sample pH
As seen from Figure 1, in culturing pool test, purification of water quality agent concentration is 0.5～10mgL
-1pH slightly rises, 10～25mgL
-1slightly decline, rangeability is all smaller.This is to dissolve in water and be acid because of potassium ferrate in aquaculture water purifying agent of the present invention, but the calcium oxide adding is alkalescence, and two-way interaction, makes product little on the impact of pH, can not cause the change of water quality pH.Simultaneously can determine for the water quality of different pH the add-on of calcium oxide, the pH of one side regulating water quality, on the other hand with water in heavy metal form a kind of oxyhydroxide of insoluble, reach the effect of removal heavy metal.
2.2 two kinds of water quality cleansing agents contrast the processing efficiency of COD, suspended substance
The similar water quality cleansing agent of getting aquaculture water purifying agent of the present invention and above-mentioned preparation compares, and guarantees that the concentration that two kinds of samples join in aquaculture water is all 30mgL
-1, then every 30min, survey the clearance of COD in a water, the data that obtain are as shown in Figure 2.
From table 2, Fig. 2, COD fast-descending, 20～25mgL
-1in group, in culturing pool, the clearance of COD, all over 80%, reaches as high as 90.026%.But aquaculture water purifying agent of the present invention clearance to COD after 4h is higher.From Fig. 2 curve A (aquaculture water purifying agent of the present invention), when 0-20min, slope of a curve is relatively large, and the rate of curve of curve B (the similar water quality cleansing agent of above-mentioned preparation) is relatively level and smooth, this illustrates that aquaculture water purifying agent of the present invention is high to the removal efficiency of COD, and the organic suspended matter amount time used of flocculation is short.This is because Cu
2+the catalyticing decomposition action that has to the potassium ferrate in aquaculture water purifying agent of the present invention, the iron increased activity of make+6 valencys, accelerate oxidation water quality organism, in the process of this external catalytic decomposition, also discharging a large amount of oxygen dissolves in water, the oxygen that in make up water, organism consumes, and form ferric hydroxide colloid, organism in flocculation water, in addition, poly-aluminium in aquaculture water purifying agent of the present invention also starts to form alumen ustum and the collaborative adsorption-flocculation water quality impurity of ferric hydroxide colloid, then under the larger reticulated structure effect forming at the poly-propionic acid amide of coagulant aids positively charged ion, colloidal state impurity diffusion layer in compression charge neutrality water, make the material of water be able to sedimentation rapidly, thereby reduce COD. and won the quality time for rescuing fish because of hypoxia death.
The removal efficiency contrast of 2.3 aquaculture water purifying agents of the present invention to nitrite
In intensive culture pond, produce in cultivation, the removal of nitrite is a ubiquitous problem, and the excessive meeting of nitrite causes that Fish Blood takes hypoxgia, causes that physique declines, serious caused toxicity symptom.Visible potassium ferrate has good removal effect to the nitrite in aquaculture water, can reach the effect that reduces and control nitrite concentration.The similar water quality cleansing agent of getting aquaculture water purifying agent of the present invention and above-mentioned preparation compares, and guarantees that the concentration that two kinds of samples join in aquaculture water is all 30mgL
-1, then, every the clearance of a water nitrite of 30min survey, the data that obtain as shown in Figure 3.
From table 2, Fig. 3, at sample concentration, be 20mgL
-1time, clearance to nitrite reaches 80.119%, by curve C (aquaculture water purifying agent of the present invention) when the 20min, aquaculture water purifying agent of the present invention has all reached 80% to the clearance of nitrite, and curve D (the similar water quality cleansing agent of above-mentioned preparation) just reaches 30% left and right, due to Cu
2+potassium ferrate in aquaculture water purifying agent of the present invention is had to catalyticing decomposition action, and the oxidation activity of the iron of make+6 valencys improves, and makes the rate of oxidation of nitrite be improved.Meanwhile, add zeolite powder and gac that remaining nitrite is adsorbed to fall, chemical oxidation and physical adsorption, the two synergy, makes water nitrite remove more that I am thorough, more more obvious than other similar water quality cleansing agent effects, by 3, can find out.Thereby greatly reduced the murder by poisoning time of nitrite to fish.
2.4 removals of aquaculture water purifying agent of the present invention to ammonia nitrogen
Ammonia nitrogen concentration is also the important indicator in aquaculture, and the similar water quality cleansing agent of getting aquaculture water purifying agent of the present invention and above-mentioned preparation compares, and guarantees that the concentration that two kinds of samples join in aquaculture water is all 30mgL
-1, then every 30min, survey the clearance of ammonia nitrogen in a water, the data that obtain are as shown in Figure 4.
From table 2, Fig. 4, at aquaculture water purifying agent of the present invention, be 20mgL
-1time, the clearance of ammonia nitrogen reaches 80%, but during low input amount, effect is also not obvious.Be reflected in culturing pool, mainly because culturing pool complicated component, and to the removal major part of ammonia nitrogen, be to adopt a kind of complexing agent on the market, make ammonia nitrogen form nontoxic complex state, but this kind of method clearance is limited and easily bounce-back, and an aquaculture water purifying agent part of the present invention adopts ion-exchange, gac and the diatomaceous physical adsorption performance of zeolite powder, ammonia nitrogen in water is reduced, utilize on the other hand the chemical oxidation performance of potassium ferrate+6 iron in aquaculture water purifying agent of the present invention, ammonia nitrogen in water is reduced.Physical adsorption and chemical oxidation, synergy, is that the removal effect of ammonia nitrogen is very obvious, as Fig. 4, wherein curve E is aquaculture water purifying agent of the present invention, the similar water quality cleansing agent that curve F is above-mentioned preparation.
The removal effect of 2.5 aquaculture water purifying agents of the present invention to nitre nitrogen and heavy metal ion (take cupric ion as example herein) etc.
Owing to containing potassium ferrate in aquaculture water purifying agent of the present invention, in water+6 the iron nitre nitrogen in can oxidizing water, and when potassium ferrate decomposes meeting formation ferric hydroxide colloid, meeting gathers propionic acid amide acting in conjunction with coagulating agent poly aluminium chloride and positively charged ion in water quality cleansing agent, and the heavy metal copper ion in flocculation water forms the throw out that indissoluble enters water.In addition, adding of calcium oxide, makes water quality meta-alkalescence, also can make the formation indissolubles such as heavy metal copper ion enter the throw out of water
3. conclusion
In aquaculture, water quality condition is one of important factor.Production practice show, after putting into production in the intensive culture pond of freshwater fish, even if change Chi Shui every day, ammonia nitrogen, nitrite, COD still can grow steadily.After 2～3 months, reach a high level, as processed not in time, fish live in such water body lower for the resistance for a long time, easily catch.
The science of the various effective constituents in aquaculture water purifying agent of the present invention is composite, makes physical treatment and chemicals purify synergy, makes not only not weaken between each composition the effect that it purifies water.For ammonia nitrogen, nitrite, nitre nitrogen adopts the easily shortcoming of bounce-back of potassium ferrate+6 valency iron chemical oxidation, contriver has utilized ion-exchange, gac and the diatomaceous physical adsorption performance of zeolite powder, these compositions have synergy to same index, make product have stronger culture water quality of tank system and improve ability.Introduce a kind of catalyst sulfuric acid copper simultaneously, improved the activity of this composition of potassium ferrate in aquaculture water purifying agent of the present invention, the efficiency that product purifies water is greatly improved.
Below in conjunction with embodiment, the present invention is further described.Enumerate embodiment below and be described more specifically the present invention, but the present invention is not subject to the restriction of these embodiment.In content below, unless specified otherwise is only expressed as " part " by " weight part ", " % by weight " is only expressed as " % ".
Get the polymerize aluminum chloride of 200 weight parts, the cationic poly propionic acid amide of the potassium ferrate of 300 weight parts, 0.1 weight part, sulphur powder, the gac of 10 weight parts, 40 weight part calcium oxide, the zeolite powder of 300 weight parts, the high speed disintegrator of putting into of the diatomite of 100 weight parts, 0.1 weight part CuSO4 of 1 part are pulverized and mixed, remove cross 70 mesh sieves after sample drying after sealing make novel water quality cleansing agent powder.
The result of use that above-mentioned water quality cleansing agent is corresponding is as follows
In a certain cultivation fish pond, Harbor, Shanghai, use, 2 mu of areas, spring pond water quality overrich, water colour is bad, ammonia nitrogen in water quality, nitrite, COD and heavy metal copper ion reach respectively 1.35mgL
-1, 0.52mgL
-1, 70.36mgL
-1, 0.08mgL
-1. bottom blackout is smelly, and transparency is only 16cm, has a strong impact on the growth of fish, and at a fine day, by this water quality cleansing agent, for this culturing pool, consumption is 200-300g/ mu. the rice depth of water.Use after 60min, visibility reaches 28cm, and water colour transfers oyster to by strong green, and low-quality stink disappears, ammonia nitrogen in water body, and nitrite, COD and heavy metal copper ion are respectively 0.56mgL
-1, 0.15mgL
-1, 6.02mgL
-1, 0.002mgL
-1, meet the requirement of fishery cultivating water.
Comparative example 1
Get the polymerize aluminum chloride of 200 weight parts, the cationic poly propionic acid amide of 0.1 weight part, sulphur powder, the gac of 10 weight parts, 40 weight part calcium oxide, the zeolite powder of 300 weight parts, the high speed disintegrator of putting into of the diatomite of 100 weight parts, 0.1 weight part CuSO4 of 1 part are pulverized and mixed, remove cross 70 mesh sieves after sample drying after sealing make water quality cleansing agent powder.
The result of use that above-mentioned water quality cleansing agent is corresponding is as follows
In a certain cultivation fish pond, Harbor, Shanghai, use, 2 mu of areas, spring pond water quality overrich, water colour is bad, ammonia nitrogen in water quality, nitrite, COD and heavy metal copper ion reach respectively 2.39mgL
-1, 0.89mgL
-1, 50.32mgL
-1, 0.085mgL
-1. bottom blackout is smelly, and transparency is only 10cm, has a strong impact on the growth of fish, and at a fine day, by this water quality cleansing agent, for this culturing pool, consumption is 200-300g/ mu. the rice depth of water.Use after 60min, visibility reaches 29cm, and water colour transfers oyster to by strong green, and low-quality stink disappears, ammonia nitrogen in water body, and nitrite, COD and heavy metal copper ion are respectively 1.46mgL
-1, 0.38mgL
-1, 6.32mgL
-1, 0.0049mgL
-1, objectionable impurities removal effect is not obvious, does not reach the requirement of fishery cultivating water.
Get the polymerize aluminum chloride of 250 weight parts, the cationic poly propionic acid amide of the potassium ferrate of 250 weight parts, 10 weight parts, sulphur powder, the gac of 50 weight parts, 20 weight part calcium oxide, the zeolite powder of 200 weight parts, the high speed disintegrator of putting into of the diatomite of 200 weight parts, 2.5 weight part CuSO4 of 10 parts are pulverized and mixed, remove cross 70 mesh sieves after sample drying after sealing make novel water quality cleansing agent powder.
The result of use that above-mentioned water quality cleansing agent is corresponding is as follows
In a certain cultivation fish pond, Harbor, Shanghai, use, 2 mu of areas, spring pond water quality overrich, water colour is bad, ammonia nitrogen in water quality, nitrite, COD and heavy metal copper ion reach respectively 1.48mgL
-1, 0.36mgL
-1, 71.2mgL
-1, 0.09mgL
-1. bottom blackout is smelly, and transparency is only 14cm, has a strong impact on the growth of fish, and at a fine day, by this water quality cleansing agent, for this culturing pool, consumption is 200-300g/ mu. the rice depth of water.Use after 60min, visibility reaches 27cm, and water colour transfers oyster to by strong green, and low-quality stink disappears, ammonia nitrogen in water body, and nitrite, COD and heavy metal copper ion are respectively 0.58mgL
-1, 0.14mgL
-1, 7.08mgL
-1, 0.008mgL
-1, decontamination effect improving is better, meets breeding water requirement.
Comparative example 2
Get the polymerize aluminum chloride of 250 weight parts, the cationic poly propionic acid amide of the potassium ferrate of 250 weight parts, 10 weight parts, gac, 20 weight part calcium oxide, the zeolite powder of 200 weight parts of sulphur powder, 50 weight parts of 10 parts, the diatomite of 200 weight parts is put into high speed disintegrator pulverizes and mix, remove cross 70 mesh sieves after sample drying after sealing make water quality cleansing agent powder.
The result of use that above-mentioned water quality cleansing agent is corresponding is as follows
In a certain cultivation fish pond, Harbor, Shanghai, use, 2.3 mu of areas, spring pond water quality overrich, water colour is bad, ammonia nitrogen in water quality, nitrite, COD and heavy metal copper ion reach respectively 1.35mgL
-1, 0.88mgL
-1, 55.23mgL
-1, 0.081mgL
-1. bottom blackout is smelly, and transparency is only 10cm, has a strong impact on the growth of fish, and at a fine day, by this water quality cleansing agent, for this culturing pool, consumption is 200-300g/ mu. the rice depth of water.Use after 60min, visibility reaches 14cm, and water colour is still strong green, low-quality stink also clearly, ammonia nitrogen in water body, nitrite, COD and heavy metal copper ion are respectively 0.899mgL
-1, 0.635mgL
-1, 50.21mgL
-1, 0.049mgL
-1.Water body purification efficiency is slower, and water quality is poor.
Get the polymerize aluminum chloride of 300 weight parts, the cationic poly propionic acid amide of the potassium ferrate of 200 weight parts, 20 weight parts, sulphur powder, the gac of 100 weight parts, 2 weight part calcium oxide, the zeolite powder of 100 weight parts, the high speed disintegrator of putting into of the diatomite of 300 weight parts, 5 weight part CuSO4 of 20 parts are pulverized and mixed, remove cross 70 mesh sieves after sample drying after sealing make novel water quality cleansing agent powder.
The result of use that above-mentioned water quality cleansing agent is corresponding is as follows
In a certain cultivation fish pond, Harbor, Shanghai, use, 2 mu of areas, spring pond water quality overrich, water colour is bad, ammonia nitrogen in water quality, nitrite, COD and heavy metal copper ion reach respectively 1.56mgL
-1, 0.61mgL
-1, 60.32mgL
-1, 0.07mgL
-1. bottom blackout is smelly, and transparency is only 10cm, has a strong impact on the growth of fish, and at a fine day, by this water quality cleansing agent, for this culturing pool, consumption is 200-300g/ mu. the rice depth of water.Use after 60min, visibility reaches 29cm, and water colour transfers oyster to by strong green, and low-quality stink disappears, ammonia nitrogen in water body, and nitrite, COD and heavy metal copper ion are respectively 0.55mgL
-1, 0.18mgL
-1, 8.32mgL
-1, 0.005mgL
-1, decontamination effect improving is better.
Comparative example 3
Get the polymerize aluminum chloride of 300 weight parts, the diatomite of the zeolite powder of 100 weight parts, 300 weight parts is put into high speed disintegrator pulverizes and mix, remove cross 70 mesh sieves after sample drying after sealing make water quality cleansing agent powder.
The result of use that above-mentioned water quality cleansing agent is corresponding is as follows
In a certain cultivation fish pond, Harbor, Shanghai, use, 2.5 mu of areas, spring pond water quality overrich, water colour is bad, ammonia nitrogen in water quality, nitrite, COD and heavy metal copper ion reach respectively 2.49mgL
-1, 0.91mgL
-1, 50.32mgL
-1, 0.084mgL
-1. bottom blackout is smelly, and transparency is only 10cm, has a strong impact on the growth of fish, and at a fine day, by this water quality cleansing agent, for this culturing pool, consumption is 200-300g/ mu. the rice depth of water.Use after 60min, visibility reaches 25cm, and water colour transfers oyster to by strong green, and low-quality stink disappears, ammonia nitrogen in water body, and nitrite, COD and heavy metal copper ion are respectively 1.899mgL
-1, 0.75mgL
-1, 30.32mgL
-1, 0.0203mgL
-1, after purifying, in water body, harmful substance contents is better, and decontamination effect improving is poor.
Therefore, the present invention, in order to overcome limitation and the specific aim of present water quality cleansing agent, has invented the synergistic Novel cultivation water quality cleansing agent of a kind of physical cleaning and chemicals.In this Novel cultivation water quality cleansing agent (hereinafter to be referred as novel water quality cleansing agent): be that onset is slow, coagulation effect is not obvious for potassium ferrate, introduce a kind of both can catalytic decomposition potassium ferrate fast to purification of water quality, can also kill catalyzer, the sterilizing agent CuSO of water quality bacteria
4thereby, reduce its action period, in addition, also adopted the highly effective coagulation ability of poly aluminium chloride, ability synergistic purification water quality is coagulated in helping of the poly-propionic acid amide of positively charged ion.For ammonia nitrogen in water quality, nitrite and nitre nitrogen adopt the easily shortcoming of bounce-back of chemical oxide removal, adopt physical adsorption and chemical oxidation synergy, make to purify water more obvious and thorough.
To sum up, aquaculture water purifying agent of the present invention design is ingenious, designs ingeniously, has physical cleaning and chemicals synergy, and coagulation effect is obvious, purifies fast thoroughly, is suitable for large-scale promotion application.
In this specification sheets, the present invention is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification sheets and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. an aquaculture water purifying agent, it is characterized in that, comprise polymerize aluminum chloride, potassium ferrate, cationic poly propionic acid amide, sulphur powder, gac, calcium oxide, zeolite powder, diatomite and copper sulfate, wherein said polymerize aluminum chloride is 200-300 weight part, described potassium ferrate is 200-300 weight part, described cationic poly propionic acid amide is 0.1-20 weight part, described sulphur powder is 1-20 weight part, described gac is 10-100 weight part, described calcium oxide is 2-40 weight part, described zeolite powder is 100-300 weight part, described diatomite is 100-300 weight part, described copper sulfate is 0.1-5 weight part.
2. aquaculture water purifying agent according to claim 1, it is characterized in that, described polymerize aluminum chloride is 200 weight parts, and described potassium ferrate is 300 weight parts, and described cationic poly propionic acid amide is 0.1 weight part, described sulphur powder is 1 weight part, described gac is 10 weight parts, and described calcium oxide is 40 weight parts, and described zeolite powder is 300 weight parts, described diatomite is 100 weight parts, and described copper sulfate is 0.1 weight part.
3. aquaculture water purifying agent according to claim 1, it is characterized in that, described polymerize aluminum chloride is 250 weight parts, and described potassium ferrate is 250 weight parts, and described cationic poly propionic acid amide is 10 weight parts, described sulphur powder is 10 weight parts, described gac is 50 weight parts, and described calcium oxide is 20 weight parts, and described zeolite powder is 200 weight parts, described diatomite is 200 weight parts, and described copper sulfate is 2.5 weight parts.
4. aquaculture water purifying agent according to claim 1, it is characterized in that, described polymerize aluminum chloride is 300 weight parts, and described potassium ferrate is 200 weight parts, and described cationic poly propionic acid amide is 20 weight parts, described sulphur powder is 20 weight parts, described gac is 100 weight parts, and described calcium oxide is 2 weight parts, and described zeolite powder is 100 weight parts, described diatomite is 300 weight parts, and described copper sulfate is 5 weight parts.
5. the preparation method of an aquaculture water purifying agent according to claim 1, it is characterized in that, described polymerize aluminum chloride, described potassium ferrate, described cationic poly propionic acid amide, described sulphur powder, described gac, described calcium oxide, described zeolite powder, described diatomite and described copper sulfate are pulverized and mixed, thereby be then dried and make pulverous described aquaculture water purifying agent.
6. the preparation method of aquaculture water purifying agent according to claim 5, is characterized in that, also crosses 70 mesh sieves after described being dried.
7. the preparation method of aquaculture water purifying agent according to claim 5, is characterized in that, described pulverizing is carried out in pulverizer.
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