KR20170031421A - The Natural Removal Materials of Green Bloom and the Method of Production - Google Patents

The Natural Removal Materials of Green Bloom and the Method of Production Download PDF

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KR20170031421A
KR20170031421A KR1020150128921A KR20150128921A KR20170031421A KR 20170031421 A KR20170031421 A KR 20170031421A KR 1020150128921 A KR1020150128921 A KR 1020150128921A KR 20150128921 A KR20150128921 A KR 20150128921A KR 20170031421 A KR20170031421 A KR 20170031421A
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oyster shell
water
shell powder
substance
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박수일
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박수일
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/32Burning methods
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Environmental Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Animal Husbandry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Analytical Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Zoology (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

The present invention relates to a natural green tide removing substance which functions as a green tide removing substance, is eco-friendly, and effectively recovers self-purification ability for water quality, by containing water-soluble shell powder. The water-soluble shell powder is obtained by firing oyster shells based on different time and temperature conditions. The shell powder is a natural substance and shows no toxicity. Algicidal capacity of the shell powder is effective and can be kept for 3 to 20 days in water. The green tide through the algicidal treatment can be decomposed and sunk in a short period of time, and collection is not required.

Description

천연 녹조 제거물질 및 그 제조방법{The Natural Removal Materials of Green Bloom and the Method of Production}BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a natural green algae removing material,

본 발명은 어촌에서 굴 양식 업자들에 의하여 버려지는 굴 패각을 수거하여 특수한 소성방법으로 소성하여 물에 녹는 수용성 패각 분말을 만들어 이를 녹조 발생시 녹조 발생지역에 물에 희석하여 투여하면 엷은 층은 즉시, 또는 30 분 이내에 소멸되며, 두꺼운 층은 수중 체류로 인한 작용으로 2~3 일후에는 완전 사멸하여 물속에 가라 앉는다. 이는 친 환경적이면서 어촌의 환경개선을 위한 일환이 되기도 한다.The present invention relates to a method for producing oyster shells by collecting an oyster shell discarded by an oyster farmer in a fishing village and firing the oyster shell in a special firing method to produce a water-soluble shell powder which dissolves in water, Or within 30 minutes, and the thick layer is completely immersed in the water after 2-3 days due to the effect due to water retention. This is environmentally friendly, but it is also a part of improving the environment of the fishing village.

일반적으로 현존하는 승인된 녹조 제거 물질은 없는 상태로 적조나 녹조 역시 기존의 황토에 의존하고 있으나 이는 생태계에 또 다른 피해를 주고 있다는 학술적인 근거에 임하고 있습니다. 그러나 본 물질은 바다에서 나온 천연 물질을 어떠한 화학적인 물질의 첨가 없이 오직 물리적 전기적인 방법으로 물에 녹는 물질로 변환시켜 녹조 제거 물질로 사용하면 녹조 제거가 가능하며 물속에 굴 패각에 함유되어 있는 수십종의 미네랄을 공급하여 물고기들이나 생태계의 성장에 크게 기여하는 물질이다.Generally, there is no approved green algae removal material, and red tide and green algae are also dependent on conventional yellow loess, but they are on the academic basis that it causes another damage to the ecosystem. However, this material can be removed from the sea if it is converted to a water-soluble substance only by physical and electrical methods without adding any chemical substance, It is a substance that contributes greatly to fish and ecosystem growth by supplying minerals of species.

이에 본 발명은 천연 물질을 이용하여 녹조의 제거, 생태계에 필요한 미네랄의 공급, 환경 정화, 토질의 알카리화등 다양한 혜택을 주는 것을 목적으로 한다.Accordingly, the present invention aims at providing various benefits such as removal of green algae, supply of minerals for ecosystem, environmental purification, and alkalization of soil using natural materials.

상기한 목적을 달성하기 위하여, 본 발명은 버려지는 굴 패각의 수용성 녹조 제거물질 ; 및 생태계의 성장 및 환경정화에 도움을 주는 물질은 소성후 약 60% 정도의 양질의 녹조 제거물질을 제공한다. 40%는 소성과정에서 소멸된다.In order to accomplish the above object, the present invention provides a water soluble algal remover of abandoned oyster shell; And materials that contribute to the growth and environmental purification of ecosystems provide about 60% of good quality green algae after firing. 40% will disappear during the firing process.

본 발명에 의하면, 물에 녹는 굴 패각 분말은 강알카리성(pH 12.8~13) 수용성 분말로서, 이 물질의 효과에 의하여 녹조를 사멸 시키며, 물속의 생태계 의 성장 발육에도 도움을 주며 하천이나 호수 등의 밑바닥에까지 도움을 준다According to the present invention, water-soluble oyster shell powder is a water-soluble powder with strong alkalinity (pH 12.8 to 13), which kills the green algae by the effect of this substance and also helps growth and development of the ecosystem in water. Help to the bottom

도 1 은 본 발명에 따른 실제 현장 실험을 하는 사진으로 떡이된 녹조의 현장 사진이다.
도 1a 는 살포 시작 하는 즉시 엉겨있던 녹조 부분이 쪼개어 지기 시작하는 사진이다.
도 1b 는 녹조 부분이 깨어지면서 분해되기 시작하는 사진이다.
도 1c 는 뭉쳐있던 녹조가 조각으로 분해되기 시작하는 사진이다.
도 1d 는 떡이 되었던 녹조가 모두 분해되면서 사멸하기 시작하는 사진이다.
도 1e 는 사멸한 노조가 없어지기 시작하는 사진이다.
도 1f 는 거의 모든 녹조가 없어진 상태의 사진이다.
도 1g 는 녹조 제거 물질을 희석하여 투여 한후 4 시간이 지난 상태의 사진이다.
도 2 는 본 발명에 따른 실제 현황의 결과 사진으로 녹조가 발생된 상태의 사진이다
도 2a 는 녹조제거물질을 살포한 후 3 시간이 지난후의 상태의 사진이다.
도 2b 는 녹조 제가물질을 살포한 후 5 시간이 지난후의 상태의 사진이다
도 3 은. 패각(굴 껍질)의 자체를 나타낸다
도 4 는. 패각을 Saggar 에 넣은 모습을 나타낸다
도 5 는 Saggar 에 넣은 패각을 소성하기 위한 전기로을 나타낸다.
도 6 은 소성을 한 후의 변화된 상태를 나타낸다
도 6a 은. 분말화 된 백색 분말의 상태를 나타낸다.
도 7 은 분말에 대한 시험성적서(한국식품연구소 발행)를 나타낸다.
도 8 은 농림수산식품부 적조구제물질 및 장비에 대한 고시 제 2009-303 호에 의거 한국화학실험연구소에서 독성물질검사 결과 분석표를 나타낸다.
도 9 는 살균력 실험 성적서를 나타낸다.(대장균, 녹농균, 황색포도상구균)
도 9a 는 살균력 실험 성적서를 나타낸다(살모렐라균, 폐렴균, MRSA 균)
도 10 은 실험용 프라스크에 녹조물질을 넣은 상태의 도면이다.
도 11 은 실험용 프라스크에 녹조물질을 넣은후 녹조 제거물질 2g 을 투여한 상태의 도면이다
도 12 는 실험용 패트병에 녹조물질을 넣은후 녹조 제거물질 3g 을 투여한 상태의 도면이다.
Fig. 1 is a photograph of a green tide which is a rice cake which is an actual field experiment according to the present invention.
FIG. 1A is a photograph in which a part of the green algae that has been entangled immediately begins to be sprayed.
Fig. 1B is a photograph in which the green algae portion is broken and starts to be decomposed.
1C is a photograph showing that the green algae that have been gathered starts to be disintegrated into pieces.
FIG. 1D is a photograph in which all the green algae that have become rice cake are decomposed and start to die.
Fig. 1e is a picture of a dead union starting to disappear.
FIG. 1F is a photograph of a state in which almost all the green tides are removed.
FIG. 1G is a photograph showing the state after 4 hours from administration of the algal remover diluted.
FIG. 2 is a photograph showing a result of a real situation according to the present invention in which a green tide is generated
FIG. 2A is a photograph of the state after 3 hours from spraying the algal removal material.
FIG. 2B is a photograph of the state after 5 hours from the application of the green algae
Fig. Represents the shell (oyster shell) itself
Fig. Shown with the shell in Saggar
Figure 5 shows an electric furnace for firing the shell in Saggar.
Figure 6 shows the changed state after firing
FIG. The state of the powdered white powder is shown.
7 shows a test report (issued by Korea Food Research Institute) for a powder.
FIG. 8 shows an analysis result of the toxic substance test result by the Korea Chemical Testing and Research Institute under notification No. 2009-303 of the Ministry of Agriculture, Forestry and Fisheries on Red Tides and Equipment.
Fig. 9 shows a test result of sterilizing power (Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus)
9A shows the results of the sterilization test (salmonella, pneumococcus, MRSA)
10 is a view showing a state in which a greenhouse material is placed in an experimental plaster.
11 is a view showing a state in which a green algae substance is added to an experimental plasma and then 2 g of a green algae removing substance is administered
FIG. 12 is a view showing a state in which a green algae substance is put in a laboratory PET bottle and 3 g of a green tea extract substance is administered.

본 발명은 어촌에서 발생하는 굴 패각을 소성하여 물에 녹는 수용성 패각 분말 ; 수십종의 미네랄을 함유하는 물질이다.The present invention relates to a water-soluble shell powder which fuses an oyster shell formed in a fishing village and dissolves in water; It is a substance containing tens of minerals.

본 발명에서 사용되는 수용성 패각 물질은 녹조의 제거에 필요한 물질을 말하는 것이며, 구체적인 영양소의 원소는 담음과 같다.The water-soluble shell material used in the present invention refers to a substance necessary for the removal of a green alga, and the specific element of the nutrient is the same as the meaning.

외관 백색 분말임Appearance White powder

칼슘(mg/100g) 68.847Calcium (mg / 100 g) 68.847

마그네슘(mg/100g) 321.45Magnesium (mg / 100 g) 321.45

망간(mg/100g) 10.58Manganese (mg / 100 g) 10.58

철(mg/100g) 28.76Iron (mg / 100 g) 28.76

구리(mg/100g) 1.21Copper (mg / 100g) 1.21

아연(mg/100g) 1.60Zinc (mg / 100 g) 1.60

나트륨(mg/100g) 571.05Sodium (mg / 100g) 571.05

칼륨(mg/100g) 226.07 한국식품연구소 분석Potassium (mg / 100g) 226.07 Korea Food Research Institute

본 발명에서 사용되는 수용성 패각 분말은 어촌에서 버려지는 굴 껍데기로서, 굴 패각을 시간차와 온도차의 간격을 두어 소성함으로써 수득한 것이다.The water-soluble shell powder used in the present invention is a oyster shell discarded from a fishing village and obtained by firing oyster shells with a time difference and a temperature difference.

구체적으로, 상기 수용성 굴 패각은Specifically, the water soluble oyster shell

1) 전기로의 내측에 굴 패각을 투입하는 단계1) Step of injecting an oyster shell into the inside of the electric furnace

2) 0℃ 온도에서 500℃의 온도에서 5 시간 동안 상온하는 과정에서 탄산가스를 배출시키고, 불순물을 제거하는 단계;2) discharging carbon dioxide gas at a temperature of 0 ° C and a temperature of 500 ° C for 5 hours to remove impurities;

3) 900℃ 내지 1000℃에서 바람직하게는 1000℃의 온도에서, 5 시간 내지 7 시간, 바람직하게는 5 시간 동안 유지하여 탄산가스(Co2) 및 비소(As) 등을 완전히 제거하는 단계;3) completely removing carbonic acid gas (Co2) and arsenic (As) by maintaining at 900 DEG C to 1000 DEG C, preferably 1000 DEG C, for 5 hours to 7 hours, preferably 5 hours;

4) 900℃ 내지 1000℃, 바람직하게는 1000℃의 온도에서, 4 시간 내지 6 시간, 바람직하게는 5 시간 동안 유지하여 상기 굴 패각을 1 차 소성하는 단계;4) holding the oyster shell at a temperature of 900 ° C to 1000 ° C, preferably 1000 ° C, for 4 hours to 6 hours, preferably 5 hours to firstly calcine the oyster shell;

5) 700℃ 내지 800℃, 바람직하게는 700℃의 온도에서, 5 시간 내지 6 시간, 바람직하게는 5 시간 동안 유지하여 2 차 소성하는 단계;5) a second firing by holding at a temperature of 700 ° C to 800 ° C, preferably 700 ° C, for 5 hours to 6 hours, preferably 5 hours;

6) 2 차 소성이 완료된 굴 패각을 자연적으로 식힌 후, 3 일 동안 숙성시키는 단계6) Naturally cooling the oyster shell after the second calcination, and then aging for 3 days

를 포함하는 수용성 굴 패각 분말로 제조될 수 있으며, 이와 같은 방법을 통하여 녹조 발생 지역에 대하여 무해하면서 제거가 잘 되고 효과가 빠르게 나타나는 양질의 수용성 굴 패각 분말을 획득할 수 있다.Soluble oyster shell powder which is harmless to the green algae and can be easily removed and exhibits a good effect can be obtained through such a method.

이 물질에는 또한 대장균, 살모렐라균, 포도상구균, 녹농균, 폐렴균, 슈퍼박테리아와 같은 균을 투입 즉시 99.9% 소멸 시키는 작용이 있다.This substance also has the effect of destroying 99.9% of bacteria such as Escherichia coli, Salmonella, Staphylococcus, Pseudomonas aeruginosa, Streptococcus pneumoniae, and Super bacteria immediately upon input.

또한, 이 물질이 인체에나 물속에 사는 어종에 미치는 독성이나 먹어서는 않되는 성분이 들어있는가를 테스트하는 성분의 실험 결과는 다음과 같다.In addition, the test results of the ingredients that test whether the substance contains toxic or inedible components in the human body or in the water are as follows.

Figure pat00001
Figure pat00001

이하, 실험예를 들어 본 발명의 구성 및 효과를 보다 구체적으로 설명한다. 그러나 이들 실험예는 본 발명에 대한 이해를 돕기 위해 예시의 목적으로만 제공된 것일 뿐 본 발명의 범주 및 범위가 하기 예에 의해 제한되는 것은 아니다.Hereinafter, the configuration and effects of the present invention will be described in more detail with reference to experimental examples. However, these experimental examples are provided only for illustrative purposes in order to facilitate understanding of the present invention, and the scope and scope of the present invention are not limited by the following examples.

[실험예 1] 수용성 굴 패각의 제조[Experimental Example 1] Preparation of water-soluble oyster shell

1) 전기로의 내측에 굴 패각을 투입하는 단계1) Step of injecting an oyster shell into the inside of the electric furnace

2) 0℃ 온도에서 500℃의 온도에서 5 시간 동안 상온하는 과정에서 탄산가스를 배출시키고, 불순물을 제거하는 단계;2) discharging carbon dioxide gas at a temperature of 0 ° C and a temperature of 500 ° C for 5 hours to remove impurities;

3) 900℃ 내지 1000℃에서 바람직하게는 1000℃의 온도에서, 5 시간 내지 7 시간, 바람직하게는 5 시간 동안 유지하여 탄산가스(Co2) 및 비소(As) 등을 완전히 제거하는 단계;3) completely removing carbonic acid gas (Co2) and arsenic (As) by maintaining at 900 DEG C to 1000 DEG C, preferably 1000 DEG C, for 5 hours to 7 hours, preferably 5 hours;

4) 900℃ 내지 1000℃, 바람직하게는 1000℃의 온도에서, 4 시간 내지 6 시간, 바람직하게는 5 시간 동안 유지하여 상기 굴 패각을 1 차 소성하는 단계;4) holding the oyster shell at a temperature of 900 ° C to 1000 ° C, preferably 1000 ° C, for 4 hours to 6 hours, preferably 5 hours to firstly calcine the oyster shell;

5) 700℃ 내지 800℃, 바람직하게는 700℃의 온도에서, 5 시간 내지 6 시간, 바람직하게는 5 시간 동안 유지하여 2 차 소성하는 단계;5) a second firing by holding at a temperature of 700 ° C to 800 ° C, preferably 700 ° C, for 5 hours to 6 hours, preferably 5 hours;

6) 2 차 소성이 완료된 굴 패각을 자연적으로 식힌 후, 3 일 동안 숙성시키는 단계6) Naturally cooling the oyster shell after the second calcination, and then aging for 3 days

[실험예 2] 수용성 굴 패각을 희석하여 녹조 제거 물질에 투여[Experimental Example 2] Water-soluble oyster shells were diluted and administered to a green algae removing material

녹조가 발생된 기흥 저수지의 녹조 덩어리를 채취하여 각각 동일한 녹조를 빈 비커에 넣은 후 1g , 2g, 3g 을 넣어 변화하는 과정을 실험하였다.The green algae of the kiheung reservoir, where the algal blooms were generated, were sampled, and the same algae were placed in empty beakers.

도 10 은 실험용 프라스크에 녹조물질을 넣은 상태의 도면이다10 is a view showing a state in which a green substance is put in an experimental plaster

도 11 은 실험용 프라스크에 녹조물질을 넣은후 녹조 제거물질 2g 을 투여한 상태의 도면이다11 is a view showing a state in which a green algae substance is added to an experimental plasma and then 2 g of a green algae removing substance is administered

도 12 는 실험용 패트병에 녹조물질을 넣은후 녹조 제거물질 3g 을 투여한 상태의 도면이다12 is a view showing a state in which a green algae material is put in a laboratory PET bottle and 3 g of a green tea removing material is administered

[실험예 3] 수용성 굴 패각을 희석하여 녹조 발생 지역에 물에 희석하여 살포하는 과정을 실험 하였다.[Experimental Example 3] Experiments were conducted to dilute the water-soluble oyster shell and dilute the water in the green algae area to spray it.

Claims (2)

수용성 굴 패각 분말; 강 알카리성 녹조 제거 물질Water soluble oyster shell powder; Alkaline algae removal material 제 1 항에 있어서, 상기 굴 패각 분말은
1) 전기로의 내측에 굴 패각을 투입하는 단계
2) 0℃ 온도에서 500℃의 온도에서 5 시간 동안 상온 하는 과정에서 탄산가스를 배출시키고, 불순물을 제거하는 단계;
3) 900℃ 내지 1000℃에서 바람직하게는 1000℃의 온도에서, 5 시간 내지 7 시간, 바람직하게는 5 시간 동안 유지하여 탄산가스(Co2) 및 비소(As) 등을 완전히 제거하는 단계;
4) 900℃ 내지 1000℃, 바람직하게는 1000℃의 온도에서, 4 시간 내지 6 시간, 바람직하게는 5 시간 동안 유지하여 상기 굴 패각을 1 차 소성하는 단계;
5) 700℃ 내지 800℃, 바람직하게는 700℃의 온도에서, 5 시간 내지 6 시간, 바람직하게는 5 시간 동안 유지하여 2 차 소성하는 단계;
6) 2 차 소성이 완료된 굴 패각을 자연적으로 식힌 후, 3 일 동안 숙성시키는 단계를 포함하는 방법으로 제조되는 녹조 물질
The oyster shell powder according to claim 1, wherein the oyster shell powder
1) Step of injecting an oyster shell into the inside of the electric furnace
2) discharging carbon dioxide gas at a temperature of 0 ° C and a temperature of 500 ° C for 5 hours to remove impurities;
3) completely removing carbonic acid gas (Co2) and arsenic (As) by maintaining at 900 DEG C to 1000 DEG C, preferably 1000 DEG C, for 5 hours to 7 hours, preferably 5 hours;
4) holding the oyster shell at a temperature of 900 ° C to 1000 ° C, preferably 1000 ° C, for 4 hours to 6 hours, preferably 5 hours to firstly calcine the oyster shell;
5) a second firing by holding at a temperature of 700 ° C to 800 ° C, preferably 700 ° C, for 5 hours to 6 hours, preferably 5 hours;
6) Naturally cooling the oyster shell after completion of the second calcination, and then aging for 3 days.
KR1020150128921A 2015-09-11 2015-09-11 The Natural Removal Materials of Green Bloom and the Method of Production KR20170031421A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190054627A (en) 2017-11-14 2019-05-22 한국지질자원연구원 Method for preparing composition for removing green algae using oyster shell
KR20190054626A (en) 2017-11-14 2019-05-22 한국지질자원연구원 Composition for removing green algae using oyster shell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190054627A (en) 2017-11-14 2019-05-22 한국지질자원연구원 Method for preparing composition for removing green algae using oyster shell
KR20190054626A (en) 2017-11-14 2019-05-22 한국지질자원연구원 Composition for removing green algae using oyster shell

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