CN111066816A - Preparation for treating fouling of coastal mussels, and use method and application thereof - Google Patents

Preparation for treating fouling of coastal mussels, and use method and application thereof Download PDF

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CN111066816A
CN111066816A CN201911146415.9A CN201911146415A CN111066816A CN 111066816 A CN111066816 A CN 111066816A CN 201911146415 A CN201911146415 A CN 201911146415A CN 111066816 A CN111066816 A CN 111066816A
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preparation
coastal
fouling
mussels
treatment
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CN111066816B (en
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刘广绪
管晓帆
施巍
韩毓
唐彧
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Zhejiang University ZJU
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    • 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
    • A01N59/16—Heavy metals; Compounds thereof
    • 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
    • A01N59/08—Alkali metal chlorides; Alkaline earth metal chlorides
    • 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
    • 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

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  • Environmental & Geological Engineering (AREA)
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Abstract

The invention relates to the field of biological fouling treatment, and discloses a preparation for treating fouling of coastal mussels, which comprises the following components in percentage by weight: 20-25% of sodium dihydrogen phosphate, 10-15% of disodium hydrogen phosphate, 5-10% of nano zinc oxide, 5-10% of nano ferric oxide and 40-60% of calcium chloride, and fully mixing the powder of each component to obtain the preparation; the invention also provides a using method of the preparation, which comprises the steps of splashing the preparation into a target water body to be treated, and splashing the same amount of the preparation again every three days after the first splashing; the invention also provides application of the preparation in treatment of marine biofouling. The preparation for treating the fouling of the coastal mussels, provided by the invention, can effectively weaken the adhesion strength of the fouling of the mussels, has the advantages of low cost, simplicity in preparation and convenience in use, can be suitable for serious fouling zones of the coastal mussels, and has a good auxiliary effect on the cleaning work of the fouling of the mussels.

Description

Preparation for treating fouling of coastal mussels, and use method and application thereof
Technical Field
The invention relates to the field of biological fouling treatment, in particular to a preparation for treating fouling of coastal mussels, a use method and application.
Background
Marine biofouling is the phenomenon that marine fouling organisms (such as barnacles, mussels, oysters and the like) are attached to underwater equipment (such as ship bodies, pipelines, oil platforms and the like) to further damage the normal operation of the equipment. Many important facilities along the shore, such as drainage ports, dams, harbors, etc., are susceptible to attachment and erosion by wild mussels. The mussels are fast in propagation, small in size, free of any economic value and easy to adhere to underwater parts of water pipes, power station water inlet systems, sewer pipelines, hull shells, screw propellers, heat exchangers, fences, fishery cages and the like to block the pipelines or adhere to objects under the water surface, so that the normal work of the mussels is influenced. The direct economic loss caused by marine biofouling can reach more than billions every year, and the normal production and living activities are seriously influenced. The effective treatment of marine biofouling such as mussel fouling is very slow.
At present, there are many defense measures against this type of biofouling. Most of the antifouling agents are adopted for prevention and treatment, for example, Chinese patent No. CN110078720A discloses halogenated benzofuran-coumarin derivatives and application thereof in preparing antifouling agents, wherein coating prepared by 1 part of rosin, 2-3 parts of acrylic resin, 2 parts of titanium dioxide, 1 part of bentonite and 0.1-1.0 part of halogenated benzofuran-coumarin derivatives is mainly used for coating and protecting the target surface along the bank; in addition, for example, chinese patent No. CN108658973A discloses a lactam compound, a preparation method thereof, and an application thereof as a marine antifouling agent, which mainly utilizes an application of a lactam compound in preparing a marine biofouling resistant coating. However, these anti-fouling agents are only for prevention before biofouling occurs, and there are few reports on treatment after biofouling occurs. And the anti-biofouling methods are high in cost, and the anti-fouling agents are complicated to use and prepare, so that the anti-biofouling methods are not suitable for areas where biofouling has already occurred. Therefore, an efficient and convenient method for treating biofouling is urgently found.
Disclosure of Invention
Aiming at the defects that the application method of the anti-biofouling agent in the prior art is complex, the cost is high, the anti-biofouling agent is ineffective in areas where biofouling has already been formed and the like, the invention provides the preparation which is suitable for the treatment of the fouling of the coastal mussels, has low cost and is convenient to prepare and use.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a preparation for treating coastal mussel fouling comprises the following components in percentage by weight:
Figure RE-GDA0002408700070000021
in the components, the sodium dihydrogen phosphate and the disodium hydrogen phosphate can control and properly reduce the pH value of a water body, break the acid-base balance in the mussel body and weaken the energy supply; the nano zinc oxide and the nano iron oxide can reduce the secretion of mussel byssus and corrode the formed mussel byssus, so that the adhesive force of the mussel is reduced; calcium chloride exists in the form of calcium ions in water, and the calcium ions can enhance the absorption of the mussel to the nano material and enhance the weakening effect of nano zinc oxide and nano iron oxide on mussel byssus. The preparation can be suitable for serious zones of coastal mussels, can effectively weaken the adhesion strength of the mussels, and has a good auxiliary effect on the cleaning work of the mussels.
Wherein, the content ratio of the sodium dihydrogen phosphate and the disodium hydrogen phosphate is changed mainly according to the pH value of the treatment target water body. If the pH value of the water body is higher, the content proportion of the sodium dihydrogen phosphate is properly improved, otherwise, the content proportion of the disodium hydrogen phosphate is properly improved.
Preferably, the particle diameter of the nano zinc oxide is 15-35 nm. Because the particle size has great influence on the property of the nano-particles, the nano-zinc oxide with the particle size of 15-35nm has small particle size and large specific surface area, is easier to be absorbed by the coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms.
Preferably, the particle size of the nano iron oxide is 25-45 nm. Because the particle size has great influence on the property of the nano-particles, the nano-iron oxide with the particle size of 25-45nm has small particle size and large specific surface area, is easier to be absorbed by the coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms.
Preferably, the crystal structure of the nano zinc oxide is irregular, and the crystal structure of the nano iron oxide is spherical. The nano iron oxide and the nano zinc oxide have various crystal structures, wherein the spherical nano iron oxide and the irregular nano zinc oxide have the largest yield and relatively lower price, and the cost can be effectively controlled.
Preferably, the preparation is obtained by fully mixing the powder of each component. The preparation has low cost and simple preparation process.
The invention also provides a use method of the preparation for coastal mussel fouling treatment, which comprises the steps of sprinkling the preparation into a target water body to be treated, and sprinkling an equal amount of the preparation again every three days after the first sprinkling. Compared with the prior art that the coating needs to be smeared when in use, a great deal of effort and time of workers can be consumed, the working efficiency is low, the treatment cost is high, the using method of the preparation is very convenient, the preparation can be directly splashed into a treatment target water body, and the preparation is simple, effective, high in treatment efficiency and low in cost.
Preferably, the period of treatment after the first doup does not exceed 15 days. Because the treatment agent is generally put in open sea areas, the effective concentration of the treatment agent can be gradually reduced, and in order to keep the effective concentration of the treatment agent all the time, the treatment time does not exceed 15 days; in addition, the treatment preparation usually has the action time on coastal fouling organisms of about 7-10 days, and the effect is relatively poor after the treatment time exceeds 15 days, so the treatment time is not suitable to exceed 15 days.
Preferably, the dosage of the preparation is 10-20g per square meter of water area. The dosage is 10-20g per square meter of water area to ensure that the preparation can be maintained at effective concentration.
Preferably, the pH value of the target water body before treatment is 7.6-7.8. Since the pH of seawater is usually around 8.1, the relatively low pH can weaken the physiological function of the coastal fouling organisms, break the acid-base balance in the body, weaken the energy supply thereof, and thus promote the absorption thereof into the treatment preparation.
The invention also provides application of the preparation for treating the marine biofouling of the coastal mussels in treating marine biofouling. The treatment preparation provided by the invention can be applied to treatment of marine biofouling, and is low in cost and convenient and fast to use.
Due to the adoption of the technical scheme, the method has the remarkable technical effects that: the preparation for treating the fouling of the coastal mussels, provided by the invention, can effectively weaken the fouling adhesion strength of the mussels by starting from the energy supply and the adhesion of the mussels according to the biological characteristics of the mussels, can be suitable for the zones with serious fouling of the coastal mussels, has a good auxiliary effect on the fouling cleaning work of the mussels, and is low in cost and simple to prepare; the invention also provides a using method of the preparation for treating the fouling of the coastal mussels, and the using method is simple, efficient and convenient; the invention also provides application of the preparation for treating the fouling of the coastal mussels in treating the fouling of marine organisms, and the application is low in cost and convenient and fast to use.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A preparation for treating coastal mussel fouling comprises the following components in percentage by weight:
Figure RE-GDA0002408700070000041
in the components, the sodium dihydrogen phosphate and the disodium hydrogen phosphate can control and properly reduce the pH value of a water body, break the acid-base balance in the mussel body and weaken the energy supply; the nano zinc oxide and the nano iron oxide can reduce the secretion of mussel byssus and corrode the formed mussel byssus, so that the adhesive force of the mussel is reduced; calcium chloride exists in the form of calcium ions in water, and the calcium ions can enhance the absorption of the mussel to the nano material and enhance the weakening effect of nano zinc oxide and nano iron oxide on mussel byssus. The preparation can be suitable for serious zones of coastal mussels, can effectively weaken the adhesion strength of the mussels, and has a good auxiliary effect on the cleaning work of the mussels.
The average particle diameter of the nano zinc oxide is 25 nm. Because the particle size has great influence on the property of the nano-particles, the nano-zinc oxide with the particle size of 25nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms. The average particle size of the nano iron oxide is 35 nm. Because the particle size has great influence on the property of the nano particles, the nano iron oxide with the particle size of 35nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms.
Example 2
A formulation for coastal mussel fouling treatment, which differs from example 1 in that: the paint comprises the following components in percentage by weight:
Figure RE-GDA0002408700070000051
the average particle diameter of the nano zinc oxide is 25 nm. Because the particle size has great influence on the property of the nano-particles, the nano-zinc oxide with the particle size of 25nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms. The average particle size of the nano iron oxide is 35 nm. Because the particle size has great influence on the property of the nano particles, the nano iron oxide with the particle size of 35nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms.
Example 3
A formulation for coastal mussel fouling treatment, which differs from example 1 in that: the paint comprises the following components in percentage by weight:
Figure RE-GDA0002408700070000061
the average particle diameter of the nano zinc oxide is 15 nm. Because the particle size has great influence on the property of the nano-particles, the nano-zinc oxide with the particle size of 15nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms. The average particle diameter of the nano ferric oxide is 25 nm. Because the particle size has great influence on the property of the nano particles, the nano iron oxide with the particle size of 25nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms.
Example 4
A formulation for coastal mussel fouling treatment, which differs from example 1 in that: the paint comprises the following components in percentage by weight:
Figure RE-GDA0002408700070000062
Figure RE-GDA0002408700070000071
the average particle diameter of the nano zinc oxide is 35 nm. Because the particle size has great influence on the property of the nano-particles, the nano-zinc oxide with the particle size of 35nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms. The average particle size of the nano iron oxide is 45 nm. Because the particle size has great influence on the property of the nano particles, the nano iron oxide with the particle size of 45nm has small particle size and large specific surface area, is easier to be absorbed by coastal fouling organisms and can cause greater biological oxidation influence on the coastal fouling organisms.
Example 5
A formulation for coastal mussel fouling treatment, which differs from example 1 in that: the crystal structure of the nano zinc oxide is irregular, and the crystal structure of the nano iron oxide is spherical. The nano iron oxide and the nano zinc oxide have various crystal structures, wherein the spherical nano iron oxide and the irregular nano zinc oxide have the largest yield and relatively lower price, and the cost can be effectively controlled.
Example 6
A formulation for coastal mussel fouling treatment, which differs from example 1 in that: the preparation was obtained by thoroughly mixing the powders of the respective components in the weight amounts described in example 1. The preparation has low cost and simple preparation process.
Example 7
This example provides a method of use of a formulation for coastal mussel fouling remediation as described in example 1, comprising splashing the formulation into a target body of water to be remediated, and splashing again an equal amount of the formulation every three days after the first splash. Compared with the prior art that the coating needs to be smeared when in use, a great deal of effort and time of workers can be consumed, the working efficiency is low, the treatment cost is high, the using method of the preparation is very convenient, the preparation can be directly splashed into a treatment target water body, and the preparation is simple, effective, high in treatment efficiency and low in cost.
The treatment time after the first dousing does not exceed 15 days. Because the treatment agent is generally put in open sea areas, the effective concentration of the treatment agent can be gradually reduced, and in order to keep the effective concentration of the treatment agent all the time, the treatment time does not exceed 15 days; in addition, the treatment preparation usually has the action time on coastal fouling organisms of about 7-10 days, and the effect is relatively poor after the treatment time exceeds 15 days, so the treatment time is not suitable to exceed 15 days.
The dosage of the preparation is 15g per square meter of water area. 15g of the formulation was dosed per square meter of water to ensure that the formulation remained at an effective concentration.
The pH value of the target water body before treatment is 7.7. Since the pH of seawater is usually around 8.1, the relatively low pH can weaken the physiological function of the coastal fouling organisms, break the acid-base balance in the body, weaken the energy supply thereof, and thus promote the absorption thereof into the treatment preparation.
Example 8
The application method of the preparation for coastal mussel fouling treatment is different from the embodiment 7 in that: the dosage of the preparation is 10g per square meter of water area. The dosage was 10g per square meter of water area to ensure that the formulation remained at an effective concentration.
The pH value of the target water body before treatment is 7.6. Since the pH of seawater is usually around 8.1, the relatively low pH can weaken the physiological function of the coastal fouling organisms, break the acid-base balance in the body, weaken the energy supply thereof, and thus promote the absorption thereof into the treatment preparation.
Example 9
The application method of the preparation for coastal mussel fouling treatment is different from the embodiment 7 in that: the dosage of the preparation is 20g per square meter of water area. 20g per square meter of water was dosed to ensure that the formulation remained at an effective concentration.
The pH value of the target water body before treatment is 7.8. Since the pH of seawater is usually around 8.1, the relatively low pH can weaken the physiological function of the coastal fouling organisms, break the acid-base balance in the body, weaken the energy supply thereof, and thus promote the absorption thereof into the treatment preparation.
Example 10
This example provides the use of a formulation for coastal mussel fouling treatment as described in example 1 for the treatment of marine biofouling. The treatment preparation provided by the invention can be applied to treatment of marine biofouling, such as fouling treatment of mussels, and is low in cost and convenient and fast to use.
Example 11
The 30 mytilus coruscus are randomly divided into three groups, a blank control group and an experimental group are respectively set, each group is three times of the blank control group and the experimental group, the blank control group and the experimental group are cultured in a pool with the square meter of 2, and the average water depth in the pool is 1 meter (50% of seawater is changed every day to simulate the tidal surge and diffusion in natural waters). Both the blank control group and the experimental group used natural seawater (taken from the gulf of laugh, wenzhou), and 30g of the formulation for coastal mussel fouling treatment in example 1 was sprinkled to the pond once the first day in the experimental group, and thereafter an equal amount of the formulation was sprinkled again every three days. The experiment lasts for 15 days, 5 mytilus coruscus are randomly extracted from the blank control group and the experimental group respectively after the experiment is finished, all byssus of the mytilus coruscus are collected and analyzed for physical properties, and the measurement results are shown in table 1.
TABLE 1 Effect of the formulations of the present invention on the physical Properties of byssus of mussels
Blank control group Experimental group
Diameter (mm) 0.13±0.016 0.069±0.011
Percentage of extension (%) 20.69±7.72 11.29±4.06
Force of breaking (N) 2.31±0.56 1.64±0.23
Volume of single byssus (mm)3) 0.59±0.15 0.15±0.049
The comparison shows that the treatment preparation added in the experimental group can reduce the diameter of the mussel byssus by 46.92%, the stretching performance by 45.43%, the stress performance by 29% and the byssus secretion by 74.58%, thus proving that the preparation can effectively weaken the stress performance of the mussel byssus and has excellent effect on the treatment of biofouling.
Example 12
The 30 mytilus coruscus are randomly divided into three groups, a blank control group and an experimental group are respectively set, each group is three times of the blank control group and the experimental group, the blank control group and the experimental group are cultured in a pool with the square meter of 2, and the average water depth in the pool is 1 meter (50% of seawater is changed every day to simulate the tidal surge and diffusion in natural waters). Both the blank control group and the experimental group used natural seawater (taken from the gulf of laugh, wenzhou), and 40g of the formulation for coastal mussel fouling treatment of example 2 was sprinkled to the pond once the first day in the experimental group, and thereafter an equal amount of the formulation was sprinkled again every three days. The experiment lasts for 15 days, 5 mytilus coruscus are randomly extracted from the blank control group and the experimental group respectively after the experiment is finished, all byssus of the mytilus coruscus are collected and analyzed for physical properties, and the measurement results are shown in table 2.
TABLE 2 Effect of the formulations of the present invention on the physical Properties of byssus of mussels
Blank control group Experimental group
Diameter (mm) 0.15±0.024 0.061±0.012
Percentage of extension (%) 19.18±8.54 12.63±2.21
Force of breaking (N) 2.54±0.39 1.68±0.25
Volume of single byssus (mm)3) 0.71±0.28 0.12±0.044
The comparison shows that the treatment preparation added in the experimental group can reduce the diameter of the mussel byssus by 59.33%, the stretching performance by 34.15%, the stress performance by 33.86% and the byssus secretion by 83.09%, and proves that the preparation can effectively weaken the stress performance of the mussel byssus and has excellent effect on the treatment of biofouling.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (9)

1. A preparation for treating coastal mussel fouling, which is characterized by comprising the following components: the paint comprises the following components in percentage by weight:
Figure FDA0002282325700000011
2. a formulation for coastal mussel fouling treatment according to claim 1, characterized in that: the particle size of the nano zinc oxide is 15-35 nm.
3. A formulation for coastal mussel fouling treatment according to claim 1, characterized in that: the particle size of the nano ferric oxide is 25-45 nm.
4. A formulation for coastal mussel fouling treatment according to claim 1, characterized in that: the preparation is obtained by fully mixing the powder of each component.
5. The use method of the preparation for coastal mussel fouling treatment according to claim 1 or 2 or 3 or 4, wherein the preparation comprises the following steps: comprises sprinkling the preparation to a target water body to be treated, and sprinkling the same amount of the preparation again every three days after the first sprinkling.
6. The use of the formulation for coastal mussel fouling treatment according to claim 5, wherein: the dosage of the preparation is 10-20g per square meter of water area.
7. The use of the formulation for coastal mussel fouling treatment according to claim 5, wherein: the treatment time after the first dousing does not exceed 15 days.
8. The use of the formulation for coastal mussel fouling treatment according to claim 5, wherein: the pH value of the target water body before treatment is 7.6-7.8.
9. Use of a formulation for coastal mussel fouling treatment according to claim 1 or 2 or 3 or 4 in the treatment of marine biofouling.
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