KR101274071B1 - Red tide removal materials and manufacturing method thereof - Google Patents

Red tide removal materials and manufacturing method thereof Download PDF

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KR101274071B1
KR101274071B1 KR1020120143511A KR20120143511A KR101274071B1 KR 101274071 B1 KR101274071 B1 KR 101274071B1 KR 1020120143511 A KR1020120143511 A KR 1020120143511A KR 20120143511 A KR20120143511 A KR 20120143511A KR 101274071 B1 KR101274071 B1 KR 101274071B1
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weight
red tide
solution
stirring
remover
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KR1020120143511A
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Korean (ko)
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정동성
한준승
이원주
이창연
박대만
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정동성
한준승
박대만
이창연
이원주
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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
    • 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
    • A01N59/06—Aluminium; Calcium; Magnesium; 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
    • A01N59/16—Heavy metals; Compounds thereof

Abstract

PURPOSE: A red tide removal agent is provided to effectively remove red tide with low manufacturing costs, and to prevent red tide. CONSTITUTION: A method for manufacturing a red tide removal agent comprises: a step of mixing 20-40 wt% of water and 8-12 wt% of 98% sulfuric acid and stirring; a step of adding 8-12 wt% of activated clay, 1-12 wt% of zinc oxide, 2-5 wt% of magnesium oxide, 10-15 wt% of sodium alginate, 5-8 wt% of sodium gluconate, and 10-15 wt% of potassium sulfate into a reaction container and stirring for 1-5 hours; a step of stirring 1-3 wt% of 20% an EDTA solution and adding 1-3 wt% of hydrogen peroxide(based on 25% of solution); and a step of adding 5-8 wt% of 25% calcium carbonate, adjusting pH, and filtering.

Description

적조제거제 및 그 제조방법 {Red tide removal materials and manufacturing method thereof}Red tide removal materials and manufacturing method

본 발명은 적조제거제 및 그 제조방법에 관한 것으로, 보다 상세하기로는 경제적이고 적조제거효율이 우수한 적조제거제 및 그 제조방법에 관한 것이다.
The present invention relates to a red tide remover and a manufacturing method thereof, and more particularly, to a red tide remover and a method of manufacturing the red tide removal efficiency is excellent.

적조현상이란 일반적으로 식물 플랑크톤이 대량으로 증식하여 강물이나 바닷물의 색깔이 붉게 변하는 현상을 총칭하는 말이다. 적조를 일으키는 생물은 편모조류나 규조류가 대부분이지만‘유글레나’또는 원생동물로 분류되는‘섬모충류’가 원인이 되는 경우도 있다.  Red tide generally refers to a phenomenon in which phytoplankton multiply in large quantities, causing river or sea water to turn red. Most of the organisms that cause red tide are flagella and diatoms, but they are also caused by 'ciliformes', which are classified as 'euglena' or protozoa.

적조현상은 최근 전 세계적으로 널리 발생하는데, 우리나라에서도 남해연안과 서해, 동해 남부연안에 걸쳐 널리 나타나고 있다. 적조의 원인생물도 규조류 중심에서 편모조류 중심으로 옮겨가고 있으며, 적조의 발생 농도도 점점 고밀도화 되어가고 있는 추세이다.The red tide phenomenon has recently occurred all over the world, and it is also widely found in the South Sea Coast, the West Sea, and the South Coast of the East Sea. The causative organisms of red tide are also moving from the center of diatoms to the flagella algae, and the concentration of red tide is increasing.

이러한 적조는 과다한 영양염류(질소와 인)의 공급과 적절한 수온이 그 발생원인으로 지목되고 있다. 영양염류는 생활하수, 공업용 폐수 또는 양식장에서 발생 되는 각종 사료찌꺼기에 많이 들어 있으며, 최근에 이들이 강 또는 바다로 많이 유입되면서 적조현상이 자주 발생 되고 있다.This red tide is attributed to the supply of excess nutrients (nitrogen and phosphorus) and proper water temperature. Nutrients are contained in a variety of feed debris generated from domestic sewage, industrial wastewater, or aquaculture farms. Recently, red tide occurs frequently as they flow into rivers or the sea.

적조가 발생하면 식물 플랑크톤이 분비하는 점액물질로 인해 해수의 점도가 높아져 어류가 유영하기가 힘들어지고 이 식물 플랑크톤이 어류의 아가미를 막아 어패류를 질식시키기도 하고 또한 유독성 와편모조류 등의 경우 어류들의 신경을 마비시켜 폐사시키기도 한다. 뿐만 아니라, 일정시간이 지나면서 식물 플랑크톤이 죽어 미생물에 의하여 분해되면서 강물 또는 해수 속에 녹아 있는 산소를 소비시켜서 용존산소가 부족한 빈산소 상태가 되어 어패류들이 호흡장애로 죽기도 한다.When red tide occurs, the mucus substance secreted by phytoplankton increases the viscosity of seawater, making it difficult for fish to swim, and the phytoplankton blocks the gills of fish to suffocate fish and shellfish. Sometimes paralysis causes death. In addition, over time, phytoplankton dies and is decomposed by microorganisms, consuming oxygen dissolved in rivers or seawater, resulting in a lack of dissolved oxygen, resulting in fish and shellfish dying from dyspnea.

따라서 전세계적으로 적조를 예방하기 위한 다양한 연구와 방법들이 시도되고 있다. 영양염류를 포함하고 있는 오폐수의 유입을 엄격하게 규제한다면 적조의 발생을 근본적으로 예방할 수 있겠지만 현실적으로 어려움이 있다.Therefore, various studies and methods are being attempted to prevent red tide worldwide. Strictly regulating the inflow of wastewater containing nutrients can fundamentally prevent the occurrence of red tide, but there are practical difficulties.

이런 이유로 일단 적조가 발생하면 그 피해를 줄이는 노력을 할 수 밖에 없는 실정이며, 종래의 기술은 적조가 발생하였을 때 황토나 석회를 주제로 하는 적조방지제를 적조발생역에 살포하는 것이다.For this reason, once red tide occurs, efforts have to be made to reduce the damage, and the conventional technique is to spray red tide generating areas on the basis of red tide when the red tide occurs.

황토를 살포하는 방법은 살포된 황토의 콜로이드 입자가 적조를 응집하여 바다에 침전함으로써 적조를 구제하는 방법으로 비용이 저렴한 장점이 있으나, 침전 후 일부 적조가 다시 부상하거나 바다 속에서 부패하여 2차 환경오염을 야기시키는 문제점을 가지고 있다. 석회(CaO)를 살포하는 방법은 살포된 석회가 적조의 발생원인인 황산 이온(SO4 -)이 석고(CaSO4.2H2O)로 생성되기 때문에 적조를 줄일 수 있다. 그러나 The method of spraying ocher has the advantage that it is inexpensive to save red tide by colloidal particles of sprayed ocher coagulating red tide and settling in the sea. There is a problem that causes contamination. Method of spraying the lime (CaO) is the sulfate ions are a spray lime causes the generation of red tides - can be reduced since the red tide to generate gypsum (CaSO 4 .2H 2 O) ( SO 4). But

이 방법에서는 반응생성물인 석고가 해저표층에서 막을 형성하여 치밀하게 덮어서 수중의 용존산소를 차단하기 때문에 그 석고막 하부의 어패류 및 수생식물들이 질식 고사하게 되는 문제점이 있다.In this method, since gypsum, which is a reaction product, forms a film on the bottom surface of the seabed to closely cover and block dissolved oxygen in the water, fish and aquatic plants in the lower part of the gypsum film are suffocated.

이러한 문제점을 해결하기 위한 기술로는 한국 등록특허 제10-0317889호를 들 수 있다. 이 기술은 석회(CaO)의 함량인 0.6~5.0중량%인 Mg(OH)2 슬러리 또는 이를 건조한 입자로 구성되는 적조방지제이다. 석회의 함량이 5중량% 이하로 제한되는 이 기술에 의하여 석고막 하부의 어패류 및 수생식물들이 질식 고사하게 되는 문제점 등과 같은 종래 기술의 문제점들은 대부분 해소되었으나, 적조구제 효율이 부족하여 많은 양의 적조제거제가 사용되어야 하는 문제점을 가지고 있다. As a technique for solving such a problem, Korean Patent No. 10-0317889 may be mentioned. This technique is a red tide inhibitor consisting of a slurry of Mg (OH) 2 with a content of lime (CaO) of 0.6 to 5.0% by weight. This technique, which limits the amount of lime to 5% by weight or less, solves the problems of the prior art, such as the problem of suffocation of fish and aquatic plants under the gypsum film. However, the amount of red tide is insufficient due to the lack of red tide relief efficiency. The problem is that the remover must be used.

한편, 한국 공개특허 제10-2006-0103311호에서는 염화칼륨 25 내지 35중량%, 산화아연 30 내지 40중량%, 산성 백토 30 내지 45중량%로 구성되는 적조제거제가 개시되어 있다.On the other hand, Korean Patent Publication No. 10-2006-0103311 discloses a red tide remover consisting of 25 to 35% by weight potassium chloride, 30 to 40% by weight zinc oxide, 30 to 45% by weight acidic clay.

이 기술은 적조의 원인생물의 세포벽을 투과하여 그 원형질을 파괴함으로써 적조를 제거하고자 하는 방법이지만, 독성에 의한 수생 미생물까지 사멸시킴으로써 생태계에 악영향을 끼치는 문제점을 안고 있다.
This technique attempts to remove red tide by penetrating the cell wall of the organism causing the red tide and destroying its protoplasm, but has a problem that adversely affects the ecosystem by killing the aquatic microorganisms due to toxicity.

본 발명은 구제효율이 높은 적조제거제를 제공하는 것을 목적으로 한다. 본 발명의 다른 목적은 원가가 저렴은 적조제거제를 제공하는 것이다. 본 발명의 또 다른 목적은 2차 피해가 최소화된 적조제거제를 제공하는 것이다. 본 발명의 또 다른 목적은 발생된 적조의 구제는 물론, 적조의 발생을 미연에 방지할 수 있는 적조제거제를 제공하는 것이다.
An object of the present invention is to provide a red tide remover having high rescue efficiency. Another object of the present invention is to provide a red tide remover having a low cost. It is still another object of the present invention to provide a red tide remover with minimal secondary damage. Still another object of the present invention is to provide a red tide removing agent that can prevent red tide generated as well as prevent red tide from occurring.

본 발명 적조제거제는 황산 8 내지 12중량%, 활성백토 8 내지 12중량%, 산화아연 1 내지 12중량%, 산화마그네슘 2 내지 5중량%, 알긴산나트륨 10 내지 15중량%, 글루콘산나트륨 5 내지 8중량%, 황산칼륨 10 내지 15중량%, 탄산칼슘(20% 용액 기준) 5 내지 8중량%, 과산화수소(25% 용액 기준) 1 내지 3중량%, EDTA(20% 용액 기준) 1 내지 3중량% 및 잔량 물로 구성된다. Red tide remover of the present invention 8 to 12% by weight sulfuric acid, 8 to 12% by weight activated clay, 1 to 12% by weight zinc oxide, 2 to 5% by weight magnesium oxide, 10 to 15% by weight sodium alginate, 5 to 8% sodium gluconate Wt%, 10-15 wt% potassium sulfate, 5-8 wt% calcium carbonate (based on 20% solution), 1-3 wt% hydrogen peroxide (based on 25% solution), 1-3 wt% EDTA (based on 20% solution) And residual water.

본 발명의 적조제거제의 제조방법은 반응용기에 물 20 내지 40중량%에 98% 황산 8 내지 12중량%를 혼합하고 교반한 다음, 활성백토 8 내지 12중량%, 산화아연 1 내지 12중량%, 산화마그네슘 2 내지 5중량%, 알긴산나트륨 10 내지 15중량%, 글루콘산나트륨 5 내지 8중량%, 황산칼륨 10 내지 15중량%를 반응용기에 넣고 1 내지 5시간 동안 충분히 교반한 다음, 20% EDTA 용액 1 내지 3중량% 저어준 후, 35% 과산화수소 250Kg을 투입한 후 저어주고 pH조절을 위하여 25% 탄산칼슘 용액 5 내지 8중량%를 투입하여 pH를 조절한 다음 필터링하는 것으로 구성되는 적조제거제의 제조방법.
The preparation method of the red tide remover of the present invention is mixed with 8 to 12% by weight of 98% sulfuric acid to 20 to 40% by weight of water in the reaction vessel, and then stirred, 8 to 12% by weight of activated clay, 1 to 12% by weight of zinc oxide, 2 to 5% by weight of magnesium oxide, 10 to 15% by weight of sodium alginate, 5 to 8% by weight of sodium gluconate, and 10 to 15% by weight of potassium sulfate were added to the reaction vessel and sufficiently stirred for 1 to 5 hours, followed by 20% EDTA After stirring 1 to 3% by weight of solution, 35% hydrogen peroxide was added 250Kg, then stirred, and 5 to 8% by weight of 25% calcium carbonate solution was added to adjust pH and then the red tide remover consisting of filtering Manufacturing method.

이하, 본 발명을 상세히 설명한다. Hereinafter, the present invention will be described in detail.

황산은 물과 혼산 되어 조성 성분들 간의 반응을 유도하기 위하여 첨가되며, 그 적절한 사용량은 8 내지 12중량%이다. Sulfuric acid is mixed with water and added to induce a reaction between the components, and an appropriate amount thereof is 8 to 12% by weight.

활성 백토(activated clay)는 산성 백토를 황산으로 처리하여 활성을 높여 흡착 및 탈색력을 높인 것으로, 석유제품의 탈수 정제에 많이 사용되고 있다. Activated clay is treated with acidic sulfuric acid to increase the activity by increasing the adsorption and decolorization, and is widely used in the dehydration purification of petroleum products.

본 발명에서 활성 백토를 사용하게 되면 적조의 흡착력이 향상되며, 적절한 사용량은 8 내지 12중량%이다. 이 범위 미만의 경우에는 흡착력이 부족하게 되며, 이 범위를 초과하는 경우에는 더 이상의 흡착력 향상은 미미한 반면 본 발명에서 목적으로 하는 다른 기능성이 저하하게 된다. When the active clay is used in the present invention, the adsorption power of red tide is improved, and an appropriate amount of use is 8 to 12% by weight. If it is less than this range, the adsorption force is insufficient, and if it exceeds this range, further improvement in adsorption power is insignificant, while other functionalities aimed at in the present invention are deteriorated.

산화아연은 적조를 사멸시키는 용도로 사용되며, 그 적절한 사용량은 1 내지 12중량%이다. 이 범위 미만의 경우에는 적조 구제효율이 저하하게 되며, 이 범위를 초과하는 경우에는 주변의 수생 미생물까지 사멸함으로써 수중 생태계를 파괴할 우려가 있다. Zinc oxide is used for killing red tide, and its proper amount is 1 to 12% by weight. If it is less than this range, the red tide rescue efficiency is lowered, and if it exceeds this range, there is a risk of destroying the aquatic ecosystem by killing the surrounding aquatic microorganisms.

산화마그네슘은 적조의 먹이를 없애는 역할을 한다. 산화마그네슘은 해수와 접촉하여 수산화마그네슘(Mg(OH)2)으로 된 후 Mg 이온과 OH 이온으로 해리하게 된다. 적조의 먹이 중 중요한 성분인 인산기와 반응하여 아래의 반응식 1과 같이 불활성 인산염을 만든다.
Magnesium oxide removes food from red tide. Magnesium oxide becomes magnesium hydroxide (Mg (OH) 2 ) in contact with seawater and dissociates into Mg ions and OH ions. It reacts with the phosphate group, which is an important component of red tide, to produce inert phosphate as shown in Scheme 1 below.

(반응식 1)(Scheme 1)

5Mg+2 + OH- + 3PO4 -3 ---> Mg5(OH)(PO4)3(불활성)
 5Mg +2 + OH - + 3PO 4 -3 ---> Mg 5 (OH) (PO 4) 3 ( inert)

그 적절한 사용량은 2 내지 5중량%이며, 이 범위 미만의 경우에는 적조 구제효율이 부족하게 되며, 이 범위를 초과하는 경우에는 적조 구제효율의 상승은 미미한 반면, 다른 기능성이 부족하게 된다. The appropriate amount of use is 2 to 5% by weight, and if it is less than this range, the red tide relief efficiency is insufficient, and if it exceeds this range, the increase in red tide relief efficiency is insignificant, while other functionalities are insufficient.

알긴산나트륨은 적조를 사멸시키는 용도 및 어병세균에 대한 항균력을 부여하기 위하여 사용된다. 적조가 발생 된 이후 주변 수중 생태계를 복원시키거나 쇄약해진 양식장의 어류의 건강을 조속히 회복시키는 데에 알긴산나트륨은 매우 효과적이다.Sodium alginate is used to kill red tide and to give antimicrobial activity against fish germs. Sodium alginate is very effective for restoring the surrounding aquatic ecosystems after red tide and for restoring the health of aquaculture farms.

그 적절한 사용량은 10 내지 15중량%이며, 이 범위 미만의 경우에는 적조구제 및 어병세균에 대한 항균력이 부족하게 되며, 이 범위를 초과하는 경우에도 더 이상의 투입효과의 향상이 없다. The proper amount of use is 10 to 15% by weight, and if less than this range, the antimicrobial activity against red algae and fish disease bacteria is insufficient, even if it exceeds this range there is no improvement in the effect of the addition.

글루콘산나트륨은 Mg, Zn 이온과 같이 사용 후 과잉으로 잔류하는 금속이온과 결합하여 불활성화하는 용도로 사용된다. 그 적절한 사용량은 5 내지 8중량%이며, 이 범위 미만의 경우에는 투입효과가 부족하며, 이 범위를 초과하는 경우에는 더 이상의 투입효과의 상승이 없다. Sodium gluconate is used for inactivation by binding to excess metal ions after use such as Mg and Zn ions. The appropriate amount of use is 5 to 8% by weight, the input effect is insufficient when less than this range, there is no increase in the input effect more than this range.

황산칼륨은 적조의 중요한 유발요인인 질소 성분을 분해하는 용도로 사용되며, 그 적절한 사용량은 10 내지 15중량%이다. 이 범위 미만의 경우에는 투입효과가 부족하며, 이 범위를 초과하게 되더라도 더 이상의 투입효과의 향상이 없다. Potassium sulfate is used to decompose the nitrogen component, which is an important cause of red tide, and its suitable amount is 10 to 15% by weight. If it is less than this range, the input effect is insufficient, and even if it exceeds this range, there is no further improvement of the input effect.

탄산칼슘은 pH 조절 용도로 사용되며, 그 적절한 사용량은 5 내지 8중량%이다.  Calcium carbonate is used for pH adjustment, and its proper amount is 5 to 8% by weight.

과산화수소는 유기물 분해 용도로 사용되며, 적절한 사용량은 1 내지 3중량%이다. 이 범위 미만의 경우에는 투입효과가 부족하며, 이 범위를 초과하게 되면 수중 생태계를 파괴할 우려가 있다. Hydrogen peroxide is used for decomposition of organic matter, and an appropriate amount of use is 1-3 wt%. If it is below this range, the input effect is insufficient, and if it exceeds this range, there is a risk of destroying the aquatic ecosystem.

EDTA는 산화방지와 스케일 생성 억제를 위하여 사용되며, 적절한 사용량은 1 내지 3중량%이다. 이 범위 미만의 경우에는 투입효과가 부족하며, 이 범위를 초과하더라도 더 이상의 투입효과의 상승이 없으며, 투입된 금속성분들이 기능을 발휘하지 못하게 되는 문제점이 발생하게 된다. EDTA is used for anti-oxidation and scale generation suppression, and the appropriate amount is 1-3 wt%. If it is less than this range, the effect of the input is insufficient, even if this range is exceeded, there is no increase in the effect of the input, the problem occurs that the metal components do not function.

이와 같이 구성된 적조제거제는 40 내지 60ppm의 농도로 투입되면 효과적으로 적조를 구제할 수 있으며, 또한 적조발생 직전에 투입하게 되면 적조의 발생을 3일 이상 예방할 수 있다.
When the red tide remover configured as described above is effectively added to the red tide when the concentration of 40 to 60ppm, and also added immediately before the red tide occurrence can prevent the occurrence of the red tide more than three days.

본 발명의 적조제거제는 제조원가가 저렴하고 적조제거효과 우수하여 적조제거제로 효과적으로 사용될 수 있다. 또한, 종래의 적조제거제와는 달리 물에서 침강하지 아니하고 분산된 상태로 유지되므로 적조 발생 직전에 미리 투입하게 되면 적조가 발생하는 것 자체를 방지할 수 있는 적조발생 예방제로도 널리 사용될 수 있다.
The red tide remover of the present invention can be effectively used as a red tide remover because the manufacturing cost is low and the red tide removal effect is excellent. In addition, unlike the conventional red tide remover, it does not settle in water and is maintained in a dispersed state, so if it is pre-injected just before red tide occurs, it can be widely used as a red tide occurrence preventive agent that can prevent red tide from occurring.

(제조실시예)
(Production Example)

반응용기에 물 3,500Kg과 98% 황산 1,650Kg을 혼합하고 교반한 다음, 활성백토 1,500Kg, 산화아연 1,500Kg, 산화마그네슘 500Kg, 알긴산나트륨 2,000Kg, 글루콘산나트륨 1,000Kg, 황산칼륨 2,000Kg을 반응용기에 넣고 2시간 동안 충분히 교반하였다. The reaction vessel was mixed with 3,500 Kg of water and 1,650 Kg of 98% sulfuric acid and stirred, followed by reacting 1,500 Kg of activated clay, 1,500 Kg of zinc oxide, 500 Kg of magnesium oxide, 2,000 Kg of sodium alginate, 1,000 Kg of sodium gluconate, and 2,000 Kg of potassium sulfate. Put into the vessel and stirred for 2 hours.

교반 후 20% EDTA 용액 250Kg을 투입하고 잘 저어준 다음, 25% 과산화수소 250Kg을 투입한 후 저어주고 pH조절을 위하여 25% 탄산칼슘 용액 1,000Kg을 투입하여 pH를 6.2로 조절한 다음 필터링을 하여 적조제거제를 얻었다.
After stirring, add 250Kg of 20% EDTA solution and stir well, add 250Kg of 25% hydrogen peroxide, stir and adjust pH to 6.2 by adding 1,000Kg of 25% calcium carbonate solution to adjust pH, and then filter by red tide. A remover was obtained.

(실시예 1~5 및 비교예 1)
(Examples 1-5 and Comparative Example 1)

* 적조제거효과 및 미생물 안정성 시험
* Red tide removal effect and microbial stability test

2011년 9월 적조가 발생한 수원지의 원수를 채수하여, 이 원수 250ml에 제조실시 예에 의하여 제조된 적조제거제를 각각 25, 35, 45, 55, 65 및 75ppm씩을 주입한 결과는 아래의 표1과 같았다.
In September 2011, the raw water of the source of red tide was collected, and 25, 35, 45, 55, 65 and 75 ppm of red tide remover prepared according to the manufacturing example were injected into 250 ml of the raw water, respectively. It was like

구 분    division 결 과                      result 비 교 예 1 (25ppm)  Comparative Example 1 (25 ppm) 조류 제거효과 미약, 24시간이후 미생물 생존 Poor algae removal, microbial survival after 24 hours
실 시 예 1 (35ppm)
Example 1 (35 ppm) 48시간 이후 30%이상 조류 제거되었고 이후 제거 효율 지속,
24시간이후 미생물 생존More than 30% algae have been removed after 48 hours
Microbial survival after 24 hours
실 시예 2 (45ppm)
Example 2 (45ppm) 48시간 이후 50% 이상조류 제거되었고 이후 제거 효율 지속,
24시간이후 미생물 생존More than 50% of algae were removed after 48 hours, and removal efficiency continued
Microbial survival after 24 hours
실 시 예 3 (55ppm)
Example 3 (55 ppm) 48시간 이후 85%이상조류 제거되었고 이후 제거 효율 지속,
24시간이후 미생물 생존More than 85% of algae were removed after 48 hours and the efficiency of removal continued.
Microbial survival after 24 hours
실 시 예 4 (65ppm)
Example 4 (65 ppm) 48시간 이후 90% 이상조류 제거되었고 이후 제거 효율 지속,
24시간이후 미생물 생존More than 90% of algae were removed after 48 hours, and removal efficiency continued
Microbial survival after 24 hours
실 시 예 5 (75ppm)
Example 5 (75 ppm) 48시간 이후 90%이상 조류 제거되었고 이후 제거 효율 지속,
24시간이후 미생물 생존More than 90% of algae have been removed after 48 hours, and removal efficiency continues
Microbial survival after 24 hours

상기 실시예들에 의하면 적조제거제의 적정 투입량을 40ppm 정도로 하면 조류제거와 동시에 억제효과를 지속시킬 수 있다.
According to the above embodiments, when the proper dose of the red tide remover is about 40 ppm, the inhibitory effect can be maintained at the same time as the algae removal.

(실시예 6~10 및 비교예 2)
(Examples 6-10 and Comparative Example 2)

* 적조 발생 억제 시험
* Red tide generation suppression test

적조가 발생하기 전의 원수에 염양염류를 주입한 후 적조제거제를 주입하지 않은 원수와 적조제거제를 각각 25, 35, 45, 55 및 65ppm씩 주입한 시료수를 7일 동안 자연상태에 방치했을 때 조류 발생 현황을 조사한 결과는 아래의 표2와 같았다.
When salt water was injected into raw water before red tide occurred, and raw water without red tide remover and 25, 35, 45, 55 and 65 ppm of red tide remover, respectively, were left in the natural state for 7 days. The results of the investigation were as shown in Table 2 below.

구 분       division 결 과            result 비 교 예 1 (0ppm)  Comparative Example 1 (0ppm) 조류 발생 발현 확인 Confirmation of algal development 실 시 예 1 (25ppm)  Example 1 (25 ppm) 조류 발생이 거의 없음 Almost no algal outbreaks 실 시 예 2 (35ppm)  Example 2 (35 ppm) 조류발생 없음 No algal outbreak 실 시 예 3 (45ppm)  Example 3 (45 ppm) 조류발생 없음 No algal outbreak 실 시 예 4 (55ppm)  Example 4 (55 ppm) 조류발생 없음 No algal outbreak 실 시 예 5 (65ppm)  Example 5 (65 ppm) 조류발생 없음 No algal outbreak

적조제거제를 가하지 않은 대조군에서는 3~4일 후부터 조류가 발생하기 시작하였다. Algae began to develop after 3-4 days in the control group without the addition of the red tide remover.

상기 실시예들에 의하면 예방용 적조제거제의 적정 투입량 역시 30pm 정도면 적조발생을 사전에 예방할 수 있음을 알 수 있다. According to the embodiments it can be seen that the proper dose of the preventive red tide remover can also prevent the occurrence of red tide in about 30pm.

Claims (2)

황산 8 내지 12중량%, 활성 백토 8 내지 12중량%, 산화아연 1 내지 12중량%, 산화마그네슘 2 내지 5중량%, 알긴산 나트륨 10 내지 15중량%, 글루콘산나트륨 5 내지 8중량%, 황산칼륨 10 내지 15중량%, 탄산칼슘(20% 용액 기준) 5 내지 8중량%, 과산화수소(25% 용액 기준) 1 내지 3중량%, EDTA(20% 용액 기준) 1 내지 3중량% 및 잔량 물로 구성되는 적조제거제.
Sulfuric acid 8-12%, activated clay 8-12%, zinc oxide 1-12%, magnesium oxide 2-5%, sodium alginate 10-15%, sodium gluconate 5-8%, potassium sulfate 10-15% by weight, 5-8% by weight calcium carbonate (based on 20% solution), 1-3% by weight hydrogen peroxide (based on 25% solution), 1-3% by weight of EDTA (based on 20% solution) and residual water Red tide remover.
반응용기에 물 20 내지 40중량%에 98% 황산 8 내지 12중량%를 혼합하고 교반한 다음, 활성백토 8 내지 12중량%, 산화아연 1 내지 12중량%, 산화마그네슘 2 내지 5중량%, 알긴산나트륨 10 내지 15중량%, 글루콘산나트륨 5 내지 8중량%, 황산칼륨 10 내지 15중량%를 반응용기에 넣고 1 내지 5시간 동안 충분히 교반한 다음, 20% EDTA 용액 1 내지 3중량% 저어준 후, 과산화수소(25% 용액 기준) 1 내지 3중량%를 투입한 후 저어주고 pH조절을 위하여 25% 탄산칼슘 용액 5 내지 8중량%를 투입하여 pH를 조절한 다음 필터링하는 것으로 구성되는 적조제거제의 제조방법.
The reaction vessel is mixed with 20 to 40% by weight of water and 8 to 12% by weight of 98% sulfuric acid and stirred, followed by 8 to 12% by weight of activated clay, 1 to 12% by weight of zinc oxide, 2 to 5% by weight of magnesium oxide, and alginic acid. 10 to 15% by weight of sodium, 5 to 8% by weight of sodium gluconate, and 10 to 15% by weight of potassium sulfate were added to the reaction vessel, and the mixture was sufficiently stirred for 1 to 5 hours, followed by stirring for 1 to 3% by weight of 20% EDTA solution. Preparation of red tide remover consisting of adding 1 to 3% by weight of hydrogen peroxide (based on 25% solution), stirring and adjusting the pH by adding 5 to 8% by weight of 25% calcium carbonate solution for pH adjustment. Way.
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KR20230111504A (en) 2022-01-18 2023-07-25 주식회사 워터플러스 A composition for removing algae containing chitosan and a method for preparing the same

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