CN109516538A - Red tide expellent and the red tide expelling method for using it - Google Patents
Red tide expellent and the red tide expelling method for using it Download PDFInfo
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- CN109516538A CN109516538A CN201811095056.4A CN201811095056A CN109516538A CN 109516538 A CN109516538 A CN 109516538A CN 201811095056 A CN201811095056 A CN 201811095056A CN 109516538 A CN109516538 A CN 109516538A
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- Prior art keywords
- red tide
- expellent
- magnesia
- magnesium
- red
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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
-
- 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
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Farming Of Fish And Shellfish (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The present invention provides a kind of red tide expellent with quick-acting and expeling efficiency that red tide greatly improved and the red tide expelling method using it.Red tide expellent of the invention is characterized in that: containing average grain diameter be 0.1~10 μm and BET specific surface area is 15m2The magnesia of/g or more.In addition, red tide expelling method of the invention is characterized in that: dispensing in the sea area for producing red tide is 0.1~10 μm containing average grain diameter and BET specific surface area is 15m2The red tide expellent of the magnesia of/g or more.
Description
Technical field
The present invention relates to a kind of red tide expellent and using its red tide expelling method, contain oxidation more particularly, to one kind
The red tide expellent of magnesium and the red tide expelling method for using it.
Background technique
In recent years, red tide brings more disasters to fishery and becomes biggish social concern.So far, as usual
Red tide countermeasure, propose physical method (recycling sea red tide；Make seawater circulation and reduce the concentration etc. of red tide) or chemistry
Method (investment clay, rivanol (ア Network リ ノ ー Le), magnesium hydroxide etc.) or biological method (are applied and are mutually generated in ocean
The algae-lysing bacterium of the relationship of the microalgae and heterotrophicy bacteria of influence or molten phycovirus etc.).Wherein, as the red tide pair for expecting effect
Plan designs a variety of methods for dispensing magnesium hydroxide.
Such as following method is disclosed in patent document 1: generating planktonic organism and the marine formation near sea
There is the waters of red tide, by the red tide expellent using magnesium hydroxide as principal component such as to make the waters of pH value 8.5 within 5 minutes
It is dispensed with the spreading ratio that pH value is more than 9.5, so that the pH value in waters is promptly increased to 9~10, thus destroy planktonic organism
Cell membrane with by kill to driving away red tide.
[existing technical literature]
[patent document]
[patent document 1] Japanese Unexamined Patent Publication 2008-239516 bulletin
Summary of the invention
[the invention project to be solved]
However, documented method is there are quick-acting difference and the problems such as the expeling low efficiency of red tide in patent document 1.Red tide
The speed of growth sharply, quick-acting is required for the expeling of red tide.
Therefore, the purpose of the present invention is to provide a kind of with quick-acting and expeling efficiency that red tide greatly improved it is red
Damp expellent and the red tide expelling method for using it.
[technological means for solving project]
The inventors of the present invention make great efforts to study to reach the above object, as a result, it has been found that, by being used in red tide is driven away
Magnesia, especially active high magnesia replace magnesium hydroxide, and have quick-acting and greatly improve the expeling efficiency of red tide,
So as to complete the present invention.
That is, the present invention relates to a kind of red tide expellents, it is characterised in that: containing average grain diameter be 0.1~10 μm and BET ratio
Surface area is 15m2The magnesia of/g or more.
Moreover, it relates to a kind of red tide expelling method, it is characterised in that: dispense and contain in the sea area for producing red tide
Have that average grain diameter is 0.1~10 μm and BET specific surface area is 15m2The red tide expellent of the magnesia of/g or more.
Moreover, it relates to a kind of red tide expelling method, it is characterised in that: dispensed in the sea area for producing red tide flat
Equal partial size is 0.1~10 μm and BET specific surface area is 15m2The magnesia of/g or more.
[The effect of invention]
According to the present invention, it is possible to provide a kind of red tide expellent with quick-acting and expeling efficiency that red tide greatly improved
And the red tide expelling method using it.
Specific embodiment
1. red tide expellent
Red tide expellent of the invention contains that average grain diameter is 0.1~10 μm and BET specific surface area is 15m2/ g's or more
Magnesia is as effective component.
Magnesia used in red tide expellent of the invention can wait by the following method acquisition: make magnesium metal burn and
The method being oxidized；Or the magnesium salts such as magnesium hydroxide, magnesium carbonate, magnesium chloride, magnesium nitrate, magnesium sulfate are roasted and are allowed to heat
The method etc. of decomposition.As magnesium hydroxide, can be used because of magnesium salts and the hydrogen-oxygen that is precipitated due to reacting for calcium hydroxide in seawater
Change magnesium etc..In addition, magnesite ore etc. can be used as magnesium carbonate.In the present invention, since decomposition temperature is low, so reason
What is thought is the method magnesia obtained thermally decomposed by the magnesium hydroxide that will be roasted at lower temperatures.
As magnesium hydroxide or the maturing temperature of magnesium carbonate, as long as being not particularly limited, generally to be more than decomposition temperature
For, in the case where magnesium hydroxide preferably 1000 DEG C hereinafter, more preferable 350~1000 DEG C, particularly preferred 400~900 DEG C.Separately
Outside, in the case where magnesium carbonate (magnesite) preferably 1000 DEG C hereinafter, more preferable 600~900 DEG C.Magnesia obtained can be with
Be adjusted to and being crushed, being classified specific granularity or BET specific surface area come using.
The average grain diameter of the magnesia used in red tide expellent of the invention passes through laser diffraction-scattering method institute
In the range of the average grain diameter found out is 0.1~10 μm, in the range of particularly preferred 0.5~6.0 μm.If partial size is excessive,
Settling velocity is too fast, therefore the residence time in red tide shortens and is easy to generate red tide preventive effect adverse effect, such as fruit
Diameter is too small, then is influenced and the easy variation of operability by wind etc..
In addition, the BET specific surface area of magnesia used in red tide expellent of the invention is 15m2/ g or more, preferably 20
~500m2/ g, more preferable 30~300m2/g.If BET specific surface area is lower than 15m2/ g, then red tide preventive effect is easy to be deteriorated.
In the present specification, BET specific surface area is the BET specific surface area measured by method documented by following embodiments.
The preferably 80 mass % of purity of the magnesia at 1000 DEG C after calcination used in red tide expellent of the invention with
On, more preferable 90 mass % or more, particularly preferred 95 mass % or more.
Ratio preferably 50 matter of the magnesia relative to whole magnesium compounds contained by red tide expellent of the invention
Measure % or more, more preferable 70 mass % or more.For example, magnesia is to roast etc. as described to magnesium hydroxide or magnesium carbonate
And it obtains, therefore also have in red tide expellent of the invention also the case where containing the magnesium compound other than magnesia.In addition, root
According to other reasons, the magnesium compound other than magnesia can also be contained in red tide expellent of the invention.As magnesia with
Outer magnesium compound can be enumerated: magnesium hydroxide, magnesium carbonate, magnesium sulfate, magnesium chloride etc..
In addition, red tide expellent of the invention is in the range of interfering the effect of the magnesia, can also and solid
Carrier, liquid-carrier, the mixing of gas shape carrier, and surfactant, bonding agent, dispersing agent and/or stabilization is added as needed
Agent etc., and preparation chemical conversion emulsion, hydrating agents, suspending agent, granula, pulvis, dry-flow agent (De ラ イ Off ロ ア Block Le), flowing
Agent (Off ロ ア Block Le), aqueous liquor, finish, fumigant, mist agent, microcapsules etc..By the magnesia that will be used as effective component
Preparation is made, and has the advantages that the red tide vermifuge composition that target shape can be made, operation becomes easy, in addition,
It will not be spread immediately near sea after spreading, red tide expellent is slowly spread when precipitating, and for deeper position
Red tide can also play effect etc..
2. red tide expelling method
Red tide expelling method of the invention can be implemented in the following way: in the sea area for generating or being possible to generation red tide
It is middle dispense containing magnesia, the especially described average grain diameter is 0.1~10 μm and BET specific surface area is 15m2The oxidation of/g or more
The red tide expellent of magnesium.It is marine dispense red tide expellent method be not particularly limited, such as can produce red tide or
Have and generates the sea area (red tide generation sea area) being inclined to or be possible to directly dispense the red tide expeling in the sea area for generating red tide
Agent is dispensed after can also dispersing in water or seawater.For the viewpoint of dispersibility, it is generally desirable to divide in water or seawater
The method dispensed after dissipating.As spreading method, illustrates and dispensed by baler, distributor etc.；By unmanned plane or directly
The machine of liter etc. is dispensed in the air.
Alternatively, it is also possible to by red tide expellent of the invention for example containing being dipped into timber etc. or be filled in cloth-like thing etc.
Supported Deng by arbitrary supporter, and the red tide expellent supported is pre-soaked, be trapped in the water in object waters.Such as
This is able to suppress by being adjusted (sustained releaseization) to make red tide expellent slowly release the mode into seawater as red
The misgrowth of the algae of damp reason and prevent red tide generation.In addition, as supporter, it is not special by the supporter of the illustration
Limitation, further, it is also possible to illustrate fishing gears such as fishing net, fishing rope, plummet, buoy etc..
Red tide expellent of the invention is (pre- also according to the generation situation or purpose of the red tide in sea area in marine spreading amount
Anti- or control generates) etc. and different, unit area that usually can such as relative to sea area, magnesia become 50~200g/
m2The ratio of left and right supplies 1 time or so in 1~3 day.Such as directly use magnesium oxide powder as the feelings of red tide expellent
It, can be relative to sea area 1m under condition2And the ratio that above-mentioned powder is 50~200g or so supplies 1 time in 1~3 day.
Red tide expellent of the invention, which has, to be attached to the planktonic organism for constituting red tide and precipitates planktonic organism and break
Therefore the effect of bad phytoplankton cells is usually implemented with the spreading meter for producing the per unit area in the sea area of red tide.
It the case where producing red tide or in the case where having generation tendency, preferably uses daily, but to prevent red tide generation
When for purpose, it can also be used 1 time or so with 2~3 days.
Red tide expellent of the invention has very excellent characteristic, that is, has quick-acting, therefore as of the invention red
Damp expelling method is especially suitable for being spread in the sea area for having generated red tide.
In red tide expelling method of the invention, the red tide for becoming object is not particularly limited, for as red tide
Common reason the known Phaeocystis globosa (シ ャ ト ラ ネ マ リ Na) of planktonic organism, heterosigma akashiwo (ヘ テ ロ
シ グ マ ア カ シ オ), the various vegetalitas planktonic organisms such as Killer Mincei (カ レ ニ ア ミ キ モ ト イ) are particularly effective.
[embodiment]
Hereinafter, the present invention is concretely demonstrated based on embodiment, but these do not limit the purpose of the present invention, separately
Outside, the present invention is not limited by these embodiments.
Firstly, disclosing the measuring method of the red tide expellent used in the present embodiment.
[chemical composition]
10~20g of precise sample or so in the magnetic crucible for being set as constant, then using box electric furnace with 1000
DEG C heating 3 hours, find out burning decrement.In addition, measuring eachization to the sample after burning decrement by ICP emission spectrographic analysis
It studies point.Therefore, the content of magnesium hydroxide shown in following table 1 is the chemistry of the magnesia benchmark except the volatile ingredients such as moisture
Composition.
[average grain diameter]
Sample is put into ion exchange water, carries out ultrasonic wave decentralized processing 30 seconds, then uses laser diffraction formula
Particle size distribution device (manufacture of MICROTRAC MT3300EXII MicrotracBEL limited liability company) measures granularity point
Cloth and find out average grain diameter.
[measurement of BET specific surface area]
It is filled out in the sample of BET specific surface area measurement device (manufacture of MOUNTECH company, Macsorb HM model-1210)
Fill in unit loading sample about 0.3g, with 200 DEG C of temperature heats 15 minutes and after removing attached water, by BET single-point method into
Row measurement.
(comparative example 1: the manufacture of magnesium hydroxide powder)
The decarburization acid processing of seawater (magnesium density: 1300mg/L) is carried out, and the carbonate concentration in seawater is made to become 1mg/L.
In the decarburization acid seawater, by the newborn (hydrogen of refined lime that the concentration of calcium hydroxide (partial size: below 350 mesh) is 15 mass %
Calcium oxide slurry) with relative to 100 moles of magnesium in seawater, calcium amount is added as 84 moles of amount and generates hydroxide
Magnesium.Then, magnesium hydroxide is subjected to precipitation concentration using inspissator, obtains the magnesium hydroxide slurry of 35 mass % of concentration.It utilizes
Industrial water cleans the magnesium hydroxide slurry, and is concentrated into 35 mass % of concentration again by inspissator.By the hydrogen-oxygen
It after changing magnesium slurry filtration and dewatering, in 200 DEG C of at a temperature of drying, is then crushed, and obtains the magnesium hydroxide powder of comparative example 1
End.Each physical property of the magnesium hydroxide powder is shown in table 1.
(embodiment 1: the manufacture of magnesium oxide powder)
Magnesium hydroxide powder roasting 30 using external-heating rotary kiln, with 800 DEG C of temperature to being obtained in the comparative example 1
Minute, obtain the magnesium oxide powder of embodiment 1.Each physical property of the magnesium oxide powder is shown in table 1.
(embodiment 2: the manufacture of magnesium oxide powder)
Magnesium hydroxide powder roasting 30 using external-heating rotary kiln, with 530 DEG C of temperature to being obtained in the comparative example 1
Minute, obtain the magnesium oxide powder of embodiment 2.Each physical property of the magnesium oxide powder is shown in table 1.
[table 1]
(red tide Efficacy)
Firstly, producing middle layer (5m ± 2m) seawater in the sea area of red tide, and using hydrophore acquisition with will not be to red tide
The mode that planktonic organism has an impact slowly mixes, and divides and 500mL is taken to be placed in 500mL beaker.By blender, with low-intensity
The seawater that red tide planktonic organism is suspended is stirred to the degree dispersed to planktonic organism, the state is maintained and the sea that is for experiment is made
Water.
Then, the magnesium oxide powder 10g manufactured in the embodiment 1 as the red tide expellent of embodiment 1 is added and does not produce
The seawater of raw planktonic organism is simultaneously set as 100mL, and the suspension of 10W/V% concentration is made.From being stirred continuously not make magnesia powder
Suspension 7.5mL is acquired in the beaker of end precipitating, investment is to being for experiment in seawater 500mL.The additive amount is every list of beaker
Position opening area (area for being equivalent to sea area) becomes 100g/m2Amount.Thereafter, it is stood after lightly stirring and test is made
Use water.It is every through after a period of time just from test water sample 0.05mL, measure test water in red tide planktonic organism individual
Number.
About the number of individuals of red tide planktonic organism, micropipet will be utilized in the position of the about 1~3cm of the liquid level apart from beaker
Divide the taking-up resulting test water of 0.05mL to be added dropwise on the glass slide with boundary line, covers the coverslip of 18mm square, from
And it is measured.Whole red tide planktonic organisms between glass slide and coverslip are measured by the magnifying glass of 100 multiplying powers.Thereafter,
With measured value multiplied by 20, number of individuals (cell density) of the 20 times of values as the red tide planktonic organism in test water 1mL is calculated.
(for example, in the case where measured value 500 of 0.05mL, 500 × 20=10,000cells/mL)
In addition, being measured to the number of individuals of the red tide planktonic organism of the seawater that is for experiment before addition magnesia magma
And it is set as 0 minute value, with (1- respectively passes through the red tide planktonic organism individual of red tide planktonic organism number of individuals/0 minute of time
Number) × 100 form calculates slip.Show the result in table 2.
In addition, replacing the magnesium oxide powder of embodiment 1 with the magnesium hydroxide of comparative example 1, slip is calculated in the same manner.
Show the result in table 2.
[table 2]
According to table 2, compared with comparative example 1, slip after five minutes is significantly increased embodiment 1, and quick-acting is high.
In addition, knowing in comparative example 1, a part of red tide planktonic organism activity recovery causes the cell density of red tide to increase over the course of 15 mins
Add, in contrast, in embodiment 1, the slip after 15 minutes is reduction 98%, can swim substantially the entirety of red tide life
Object is driven away, and it is very good to drive away efficiency.
Claims (6)
1. a kind of red tide expellent, it is characterised in that: containing average grain diameter be 0.1~10 μm and BET specific surface area is 15m2/ g with
On magnesia.
2. red tide expellent according to claim 1, wherein the magnesia is complete contained by relative to red tide expellent
The ratio of portion's magnesium compound is 50 mass % or more.
3. a kind of red tide expelling method, it is characterised in that: in the sea area for producing red tide dispense containing average grain diameter be 0.1~
10 μm and BET specific surface area are 15m2The red tide expellent of the magnesia of/g or more.
4. red tide expelling method according to claim 3, wherein the magnesia is relative to contained by the red tide expellent
The ratio for the whole magnesium compounds having is 50 mass % or more.
5. a kind of red tide expelling method, it is characterised in that: dispensing average grain diameter in the sea area for producing red tide is 0.1~10 μm
And BET specific surface area is 15m2The magnesia of/g or more.
6. red tide expelling method according to any one of claim 3 to 5, wherein the red tide is that vegetalitas is swum life
Object.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017179488A JP6726146B2 (en) | 2017-09-19 | 2017-09-19 | Red tide control agent and red tide control method using the same |
| JP2017-179488 | 2017-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109516538A true CN109516538A (en) | 2019-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811095056.4A Pending CN109516538A (en) | 2017-09-19 | 2018-09-19 | Red tide expellent and the red tide expelling method for using it |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6726146B2 (en) |
| KR (1) | KR102563667B1 (en) |
| CN (1) | CN109516538A (en) |
| TW (1) | TWI785099B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7279242B1 (en) | 2022-08-05 | 2023-05-22 | 宇部マテリアルズ株式会社 | Red tide exterminator |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6803596A (en) * | 1996-01-05 | 1997-07-10 | Ube Material Industries Ltd | Granular magnesium compound-based modifier for water quality and bottom sediment quality |
| CN1215700A (en) * | 1996-01-04 | 1999-05-05 | 宇部材料工业株式会社 | Magnesium oxide-based modifier for water quality and bottom sediment quality |
| CN1698948A (en) * | 2005-04-25 | 2005-11-23 | 浙江大学 | Water purificant using paligorskite and sepiolite as supporter, its preparation and application method |
| CN1699175A (en) * | 2005-05-25 | 2005-11-23 | 天津化工研究设计院 | Manufacturing method of granular high-activity magnesia |
| CN1847166A (en) * | 2005-04-13 | 2006-10-18 | 中国科学院海洋研究所 | Method of controlling red tide of sea water and algalbloom of fresh water |
| CN1974681A (en) * | 2005-09-20 | 2007-06-06 | 宇部材料工业株式会社 | Magnesium oxide powder for soil hardening material |
| CN101687659A (en) * | 2007-06-27 | 2010-03-31 | 达泰豪化学工业株式会社 | Magnesium oxide particle aggregate, and method for production thereof |
| CN101734770A (en) * | 2008-11-11 | 2010-06-16 | 株式会社环境保全 | Reagent for preventing or reducing scum generation |
| CN103827036A (en) * | 2011-09-16 | 2014-05-28 | 达泰豪化学工业株式会社 | Spherical magnesium hydroxide particles and magnesium oxide particles having a large specific surface area, as well as method for producing same |
| CN104307462A (en) * | 2014-10-11 | 2015-01-28 | 哈尔滨工程大学 | Method for preparing mesoporous magnesium oxide through one-step boiling |
| WO2015083854A1 (en) * | 2013-12-06 | 2015-06-11 | 주식회사 씨엠디기술단 | Red tide and green tide removing agent composition using by-product containing cao in high volume |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2917096B2 (en) * | 1994-07-06 | 1999-07-12 | 宇部マテリアルズ株式会社 | Water quality and bottom sedimentary malignant improver |
| JPH11180808A (en) * | 1997-12-18 | 1999-07-06 | Kyowa Chem Ind Co Ltd | Agent for preventing occurrence of alga or proliferation of microorganism and its use |
| JP2001050863A (en) * | 1999-08-16 | 2001-02-23 | Hitachi Ltd | Bearing tester and bearing testing method |
| JP2003265058A (en) * | 2002-03-18 | 2003-09-24 | Ube Material Industries Ltd | Method for preventing color fading of laver and preventing agent for color fading |
| JP4550366B2 (en) * | 2003-03-03 | 2010-09-22 | 宇部マテリアルズ株式会社 | Method for controlling the generation of algae in freshwater areas |
| JP2007289947A (en) * | 2006-03-30 | 2007-11-08 | Yamaguchi Prefecture | Magnesium compound, its manufacturing method, phytoplankton removal method using it, and sewage treatment method |
| TW200800519A (en) * | 2006-06-27 | 2008-01-01 | De Poan Pneumatic Corp | Palm nailer capable of adjusting placing angle of magazine |
| JP5415674B2 (en) * | 2007-03-26 | 2014-02-12 | 広人 前田 | How to eliminate red tide |
-
2017
- 2017-09-19 JP JP2017179488A patent/JP6726146B2/en active Active
-
2018
- 2018-08-20 TW TW107128920A patent/TWI785099B/en active
- 2018-09-18 KR KR1020180111468A patent/KR102563667B1/en active IP Right Grant
- 2018-09-19 CN CN201811095056.4A patent/CN109516538A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215700A (en) * | 1996-01-04 | 1999-05-05 | 宇部材料工业株式会社 | Magnesium oxide-based modifier for water quality and bottom sediment quality |
| AU6803596A (en) * | 1996-01-05 | 1997-07-10 | Ube Material Industries Ltd | Granular magnesium compound-based modifier for water quality and bottom sediment quality |
| CN1847166A (en) * | 2005-04-13 | 2006-10-18 | 中国科学院海洋研究所 | Method of controlling red tide of sea water and algalbloom of fresh water |
| CN1698948A (en) * | 2005-04-25 | 2005-11-23 | 浙江大学 | Water purificant using paligorskite and sepiolite as supporter, its preparation and application method |
| CN1699175A (en) * | 2005-05-25 | 2005-11-23 | 天津化工研究设计院 | Manufacturing method of granular high-activity magnesia |
| CN1974681A (en) * | 2005-09-20 | 2007-06-06 | 宇部材料工业株式会社 | Magnesium oxide powder for soil hardening material |
| CN101687659A (en) * | 2007-06-27 | 2010-03-31 | 达泰豪化学工业株式会社 | Magnesium oxide particle aggregate, and method for production thereof |
| CN101734770A (en) * | 2008-11-11 | 2010-06-16 | 株式会社环境保全 | Reagent for preventing or reducing scum generation |
| CN103827036A (en) * | 2011-09-16 | 2014-05-28 | 达泰豪化学工业株式会社 | Spherical magnesium hydroxide particles and magnesium oxide particles having a large specific surface area, as well as method for producing same |
| WO2015083854A1 (en) * | 2013-12-06 | 2015-06-11 | 주식회사 씨엠디기술단 | Red tide and green tide removing agent composition using by-product containing cao in high volume |
| CN104307462A (en) * | 2014-10-11 | 2015-01-28 | 哈尔滨工程大学 | Method for preparing mesoporous magnesium oxide through one-step boiling |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI785099B (en) | 2022-12-01 |
| KR102563667B1 (en) | 2023-08-03 |
| KR20190032233A (en) | 2019-03-27 |
| TW201929672A (en) | 2019-08-01 |
| JP6726146B2 (en) | 2020-07-22 |
| JP2019055914A (en) | 2019-04-11 |
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