CN110683595A - Purifying agent for aquaculture and river channel deodorization and preparation method thereof - Google Patents
Purifying agent for aquaculture and river channel deodorization and preparation method thereof Download PDFInfo
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- CN110683595A CN110683595A CN201910828318.1A CN201910828318A CN110683595A CN 110683595 A CN110683595 A CN 110683595A CN 201910828318 A CN201910828318 A CN 201910828318A CN 110683595 A CN110683595 A CN 110683595A
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- aquaculture
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- purifying agent
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- deodorization
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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
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur 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
- 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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- 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
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention provides a purifying agent for aquaculture and river deodorization, which is a solid-liquid mixture and comprises the following raw materials in parts by weight: the proportion of the magnesium hydroxide is 16 to 26 parts, the proportion of the sodium hydrogen phosphate is 5 to 10 parts, and the proportion of the water is 20 to 50 parts. The purifying agent takes magnesium hydroxide as a main component, can effectively reduce the content of hydrogen sulfide in aquaculture water and a river channel, and has good improvement effect on the pH value of water quality which is too low and eutrophication. The preparation method of the purifying agent has reasonable materials and steps, low cost and suitability for large-scale use.
Description
Technical Field
The invention relates to a water purifying agent, in particular to a purifying agent for aquaculture and river channel deodorization and a preparation method thereof.
Background
Intensive aquaculture is rapidly developed at home and abroad in recent years, China is more rapid, the aquaculture yield of the intensive aquaculture accounts for about 2/3 of the world aquaculture yield, but because the aquaculture of China still adopts a large-scale drainage mode, water resources are greatly consumed, and pollutants formed by feed residues and excrement of fishes, shrimps and crabs in the aquaculture process pollute water bodies, pond bottom mud and the like, so that the aquaculture water bodies are gradually eutrophicated, and the surrounding water body environment and the ecological environment are more and more damaged.
In addition, the PH of the water is also an important pollution-related factor. Eutrophication of water bodies causes PH drop, which not only causes increase of sulfides, but also increases of heavy metal activity, which leads to increased risk of diseases such as bone pain. At present, most of aquaculture farms and riverways with water quality treatment requirements are not connected into a sewage treatment network, and water circulation is adopted to delay the deterioration of the condition when water quality pollution occurs, but the effect of the mode is not ideal. And the problems of odor and pollution are solved by adopting physical treatment modes such as pumping, re-irrigating and the like, the cost is high, the investment of manpower and material resources is large, and the normal use is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a purifying agent for aquaculture and river channel deodorization and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a purifying agent for aquaculture and river deodorization is a solid-liquid mixture and comprises the following raw materials in parts by weight: the proportion of the magnesium hydroxide is 16 to 26 parts, the proportion of the sodium hydrogen phosphate is 5 to 10 parts, and the proportion of the water is 20 to 50 parts.
Preferably, the pH of the scavenger is 9.5 to 10.5.
Preferably, the mass content of the magnesium hydroxide is 10-70%.
Preferably, the weight part ratio of the magnesium hydroxide is 20 parts.
Preferably, the weight part ratio of the sodium hydrogen phosphate is 8 parts.
Preferably, the weight part ratio of the water is 40 parts.
Preferably, the preparation method of the purifying agent for aquaculture and river channel deodorization comprises the following steps:
the method comprises the following steps: pouring sodium hydroxide into water and mixing to obtain a sodium hydroxide solution, and adjusting the pH value of the sodium hydroxide solution to 9.3-9.5;
step two: dividing the sodium hydroxide solution in the step one into two parts;
step three: respectively putting magnesium hydroxide and sodium hydrogen phosphate into two parts of sodium hydroxide solution, and respectively standing;
step four: and (3) mixing the sodium hydroxide solution added with the magnesium hydroxide and the sodium hydroxide solution added with the sodium hydrogen phosphate in the third step into the same container to obtain the purifying agent for aquaculture and river deodorization.
Preferably, the PH of the sodium hydroxide solution in step one is 9.4.
Compared with the prior art, the invention has the beneficial effects that:
the purifying agent takes magnesium hydroxide as a main component, can effectively reduce the content of hydrogen sulfide in aquaculture water and a river channel, and has good improvement effect on the pH value of water quality which is too low and eutrophication. The preparation method of the purifying agent has reasonable materials and steps, low cost and suitability for large-scale use.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
The invention provides a purifying agent for aquaculture and river deodorization, which is a solid-liquid mixture and comprises the following raw materials in parts by weight: the proportion of the magnesium hydroxide is 16 to 26 parts, the proportion of the sodium hydrogen phosphate is 5 to 10 parts, and the proportion of the water is 20 to 50 parts. The purifying agent has the pH value of 9.5-10.5, and can play a good role in adjusting a farm with a small pH value or a river channel, so that the water quality in the farm or the river channel returns to a weak alkaline good pH value environment, the healthy circulation of water ecology is facilitated, and the environment of the river channel and the farm is improved. The mass content of the magnesium hydroxide is 10-70%, the magnesium hydroxide is the main component in the purifying agent, the magnesium hydroxide has extremely strong buffer performance and adsorption capacity, can be used for neutralizing various acid substances, and the pH value of the magnesium hydroxide does not exceed 9 even if the magnesium hydroxide is excessive. In aquaculture farms and riverways, eleven common problems of peculiar smell caused by hydrogen sulfide and other sulfur-containing organic compounds generated by long-term accumulated sludge II are solved, magnesium hydroxide and sulfide can be used for generating magnesium sulfate, and the product magnesium sulfate is dissolved in water without any harm. The method for removing the hydrogen sulfide in the water body by using the magnesium hydroxide is an implementation scheme which has the advantages of easily obtained resources, environmental friendliness, economy, reasonability and simple operation.
Preferably, the preparation method of the purifying agent for aquaculture and river channel deodorization comprises the following steps:
the method comprises the following steps: pouring sodium hydroxide into water and mixing to obtain a sodium hydroxide solution, and adjusting the pH value of the sodium hydroxide solution to 9.3-9.5; because the pH value of the magnesium hydroxide solution cannot exceed 9 at most, the sodium hydroxide solution is prepared firstly in the first step and is used as a water purifying agent only in a stronger alkaline environment.
Step two: dividing the sodium hydroxide solution in the step one into two parts;
step three: respectively putting magnesium hydroxide and sodium hydrogen phosphate into two parts of sodium hydroxide solution, and respectively standing;
step four: and (3) mixing the sodium hydroxide solution added with the magnesium hydroxide and the sodium hydroxide solution added with the sodium hydrogen phosphate in the third step into the same container to obtain the purifying agent for aquaculture and river deodorization.
Through the river basin of the Taihu lake part in Wuxi city of Jiangsu province, 1000 square meters of water area is 100 g/m2The purifying agent for aquaculture and river channel deodorization is spread in the concentration, after 4 months of investigation and research, physicochemical factors such as water depth, water temperature, pH value, Dissolved Oxygen (DO), conductivity, transparency, chemical demand (COD), Total Phosphorus (TP), Total Nitrogen (TN), chlorophyll a and the like before and after the test are measured, the concentration of the chlorophyll a is reduced from 0.385 mg/L before use to 0.033 mg/L after 30 days, the concentration of the TP is reduced from 0.38 mg/L to 0.14 mg/L, the concentration of the TN is reduced from 36.6 mg/L to 5.51 mg/L, and the result proves that the magnesium hydroxide water quality modifier has obvious improvement on the water quality of the bloom in the Taihu basinAnd (4) acting. For improving the water quality in the river channel, 400g/m of water is sown once a year during the water temperature rising period from 3 months to 9 months2The purifying agent for aquaculture and river channel deodorization of the invention reduces the sulfide content from 3.0mg/g to 1.0 mg/g. For improving the water quality of a farm, the ammonia nitrogen content in the water of the penaeus vannamei boone at the later culture period is 0.9mg/L, and is reduced to 0.4mg/L on the same day after use, and the using amount is 100 ppm.
Example 1
A purifying agent for aquaculture and river deodorization is a solid-liquid mixture and comprises the following raw materials in parts by weight: the proportion of the magnesium hydroxide is 20 parts, the proportion of the sodium hydrogen phosphate is 8 parts, and the proportion of the water is 40 parts. The mass content of the magnesium hydroxide is 50%.
A preparation method of a purifying agent for aquaculture and river channel deodorization comprises the following steps:
the method comprises the following steps: pouring sodium hydroxide into water and mixing to obtain a sodium hydroxide solution, and adjusting the pH value of the sodium hydroxide solution to 9.4;
step two: dividing the sodium hydroxide solution in the step one into two parts;
step three: respectively putting magnesium hydroxide and sodium hydrogen phosphate into two parts of sodium hydroxide solution, and respectively standing;
step four: and (3) mixing the sodium hydroxide solution added with the magnesium hydroxide and the sodium hydroxide solution added with the sodium hydrogen phosphate in the third step into the same container to obtain the purifying agent for aquaculture and river deodorization.
Example 2
A purifying agent for aquaculture and river deodorization is a solid-liquid mixture and comprises the following raw materials in parts by weight: the proportion of the magnesium hydroxide is 16 parts, the proportion of the sodium hydrogen phosphate is 5 parts, and the proportion of the water is 50 parts. The mass content of the magnesium hydroxide is 10%.
A preparation method of a purifying agent for aquaculture and river channel deodorization comprises the following steps:
the method comprises the following steps: pouring sodium hydroxide into water and mixing to obtain a sodium hydroxide solution, and adjusting the pH value of the sodium hydroxide solution to 9.3;
step two: dividing the sodium hydroxide solution in the step one into two parts;
step three: respectively putting magnesium hydroxide and sodium hydrogen phosphate into two parts of sodium hydroxide solution, and respectively standing;
step four: and (3) mixing the sodium hydroxide solution added with the magnesium hydroxide and the sodium hydroxide solution added with the sodium hydrogen phosphate in the third step into the same container to obtain the purifying agent for aquaculture and river deodorization.
Example 3
A purifying agent for aquaculture and river deodorization is a solid-liquid mixture and comprises the following raw materials in parts by weight: the proportion of the magnesium hydroxide is 26 parts, the proportion of the sodium hydrogen phosphate is 10 parts, and the proportion of the water is 20 parts. The mass content of the magnesium hydroxide is 70%.
A preparation method of a purifying agent for aquaculture and river channel deodorization comprises the following steps:
the method comprises the following steps: pouring sodium hydroxide into water and mixing to obtain a sodium hydroxide solution, and adjusting the pH value of the sodium hydroxide solution to 9.5;
step two: dividing the sodium hydroxide solution in the step one into two parts;
step three: respectively putting magnesium hydroxide and sodium hydrogen phosphate into two parts of sodium hydroxide solution, and respectively standing;
step four: and (3) mixing the sodium hydroxide solution added with the magnesium hydroxide and the sodium hydroxide solution added with the sodium hydrogen phosphate in the third step into the same container to obtain the purifying agent for aquaculture and river deodorization.
According to the purifying agent for aquaculture and river channel deodorization and the preparation method thereof, the purifying agent takes magnesium hydroxide as a main component, can effectively reduce the content of hydrogen sulfide in aquaculture water and a river channel, and has a good improvement effect on the pH value of water quality, and eutrophication. The preparation method of the purifying agent has reasonable materials and steps, low cost and suitability for large-scale use.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (8)
1. The purifying agent for aquaculture and river deodorization is characterized by being a solid-liquid mixture and comprising the following raw materials in parts by weight: the proportion of the magnesium hydroxide is 16 to 26 parts, the proportion of the sodium hydrogen phosphate is 5 to 10 parts, and the proportion of the water is 20 to 50 parts.
2. The purifying agent for aquaculture and river deodorization as claimed in claim 1, wherein the purifying agent has a pH of 9.5-10.5.
3. The purifying agent for aquaculture and river deodorization as claimed in claim 1, wherein the mass content of the magnesium hydroxide is 10% -70%.
4. The purifying agent for aquaculture and river deodorization as claimed in claim 1, wherein the weight ratio of the magnesium hydroxide is 20 parts.
5. The purifying agent for aquaculture and river deodorization as claimed in claim 1, wherein the weight ratio of the sodium hydrogen phosphate is 8.
6. The purifying agent for aquaculture and river deodorization as claimed in claim 1, wherein the water is prepared in 40 parts by weight.
7. A method for preparing the purifying agent for aquaculture and river channel deodorization according to claim 1, which comprises the following steps:
the method comprises the following steps: pouring sodium hydroxide into water and mixing to obtain a sodium hydroxide solution, and adjusting the pH value of the sodium hydroxide solution to 9.3-9.5;
step two: dividing the sodium hydroxide solution in the step one into two parts;
step three: respectively putting magnesium hydroxide and sodium hydrogen phosphate into two parts of sodium hydroxide solution, and respectively standing;
step four: and (3) mixing the sodium hydroxide solution added with the magnesium hydroxide and the sodium hydroxide solution added with the sodium hydrogen phosphate in the third step into the same container to obtain the purifying agent for aquaculture and river deodorization.
8. The method of claim 7, wherein the pH of the NaOH solution in step one is 9.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828318.1A CN110683595A (en) | 2019-09-03 | 2019-09-03 | Purifying agent for aquaculture and river channel deodorization and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828318.1A CN110683595A (en) | 2019-09-03 | 2019-09-03 | Purifying agent for aquaculture and river channel deodorization and preparation method thereof |
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| CN110683595A true CN110683595A (en) | 2020-01-14 |
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| CN201910828318.1A Pending CN110683595A (en) | 2019-09-03 | 2019-09-03 | Purifying agent for aquaculture and river channel deodorization and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050115895A1 (en) * | 2003-12-02 | 2005-06-02 | Simpson Gregory D. | Composition for odor control |
| CN102001738A (en) * | 2010-12-21 | 2011-04-06 | 国家***天津海水淡化与综合利用研究所 | Method for eliminating ammonia nitrogen in waste water by using magnesium hydroxide |
| CN109133367A (en) * | 2018-09-13 | 2019-01-04 | 捷艾悉环保科技（上海）有限公司 | Suitable for aquaculture and the cleanser of river deodorization and the preparation method and application thereof |
-
2019
- 2019-09-03 CN CN201910828318.1A patent/CN110683595A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050115895A1 (en) * | 2003-12-02 | 2005-06-02 | Simpson Gregory D. | Composition for odor control |
| CN102001738A (en) * | 2010-12-21 | 2011-04-06 | 国家***天津海水淡化与综合利用研究所 | Method for eliminating ammonia nitrogen in waste water by using magnesium hydroxide |
| CN109133367A (en) * | 2018-09-13 | 2019-01-04 | 捷艾悉环保科技（上海）有限公司 | Suitable for aquaculture and the cleanser of river deodorization and the preparation method and application thereof |
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