KR19980069218A - Pressurized Flotation Cracker - Google Patents

Pressurized Flotation Cracker Download PDF

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KR19980069218A
KR19980069218A KR1019970006164A KR19970006164A KR19980069218A KR 19980069218 A KR19980069218 A KR 19980069218A KR 1019970006164 A KR1019970006164 A KR 1019970006164A KR 19970006164 A KR19970006164 A KR 19970006164A KR 19980069218 A KR19980069218 A KR 19980069218A
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air
water
wastewater
magnetization
oxygen
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KR1019970006164A
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Korean (ko)
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KR100232051B1 (en
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최동민
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최동민
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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
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes

Abstract

본 발명은 오폐수내 계면활성성분 등 난분해성 오염성분의 분해, 물질변화, 집체에 의한 제거도 효과적인 오폐수정화를 이룸은 물론 여타의 화학적, 물리적, 생물학적처리 기법의 병용시에 계면활성성분 및 난분해성 오염성분으로 인한 오폐수처리 불가능이나 효율저하요인을 원인근절하는 것으로서, 오폐수처리수조 내부하단에 가압부상분해기를 구성장착하고 외부에 공기물펌프 등등을 구성장착하여 오폐수를 지속적으로 통과하여 순환회류토록 하므로 오폐수정화처리가 되도록 한 것이다.The present invention provides effective wastewater purification as well as decomposition of hardly decomposable pollutants such as surfactants in wastewater, material change, and collection, as well as surfactants and hardly decomposable properties when combined with other chemical, physical and biological treatment techniques. It is to eliminate the impurity of wastewater treatment due to contaminants or to reduce the efficiency factor.It is equipped with a pressurized flotation cracker at the bottom of the wastewater treatment tank and an air water pump etc. to circulate the wastewater continuously. Waste water purification treatment.

가압부상분해기는 자석의 극성변화에 의해 생산되는 초단파장와 교번자장대, 물과 공기를 분사하는 공기물회석실, 음이온산소공기를 생산하는 공기정화부, 음이온산소공기와 물을 회석하고 동시에 흡입압송하는 공기물펌프 등등으로 구성하여 이들의 작용으로 계면활성성분 및 난분해성 오염성분은 물론 기타 일체의 오염성분을 분해분리, 물진변화, 응집시키어 큰물분자 구조개선으로 정화된 물이 활성화되고 용존산소를 포화시키므로 정화된 물이 신선하게 되도록 하는 장치이다.Pressurized flotation crackers are ultra-short wavelengths and alternating magnetic fields produced by changing the polarity of magnets, air water chambers for injecting water and air, air purifiers for producing anion oxygen air, and anion oxygen air and water are hydrated and sucked simultaneously. It is composed of an air water pump and the like, and the action of these compounds decomposes, separates, and changes the surface active ingredient and hardly decomposable contaminants, thereby activating the purified water and improving dissolved oxygen. It is a device to make the purified water fresh.

Description

가압부상 분해기Pressurized Flotation Cracker

제1도는 본 발명의 측단면도1 is a side cross-sectional view of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 : 공기정화부2 : 승압콘트롤부1: air purification unit 2: boost control unit

3 : 공기물펌프4 : 공기, 물 회석드럼3: air water pump 4: air, water lime drum

5 : 상부 초단파 진동타공판6 : 하부 초단판 진동판5: upper ultra high vibration plate 6: lower ultra high vibration plate

7 : 부유물질 배출관8 : 침전물 배출관7: floating material discharge pipe 8: sediment discharge pipe

본 발명은 오폐수의 오염성분인 계면활성 성분이나 부유성 성분들을 강제분해부상시키어 수표면에 집합하여 제거하므로 타 오염성분의 분해제거를 용이하게 하여 오폐수를 정화처리하는 것이다.According to the present invention, since the surface-active components or floating components, which are pollutants of waste water, are forced to be decomposed and removed on the water surface, the waste water is purified to facilitate the decomposition and removal of other pollutants.

일반적으로 생활하수폐수나 산업폐수 등은 오염성분의 종류가 다양하고 또한 복잡하므로 그 성질이 분해 및 정화처리하는데 매우 어려운 실정이다.In general, since domestic wastewater and industrial wastewater have various and complex types of pollutants, their properties are very difficult to decompose and purify.

오폐수는 사람의 생존생활활동이나 산업활동으로 수중에 원하지 않는 오염성분 등이 포함되므로 탄생하여 시간이 경과하면서 다시 화학적 생물학적 변화가 상호 일어나면서 더욱 복잡한 오염상태로 발전하고 있는 실정이다.Wastewater is a situation that is developed into a more complex pollution state as the biological biological changes occur over time as it is born because it contains unwanted pollutants in the water as a human living activity or industrial activity.

특히 현대인들이 제일 많이 다량으로 사용하고 있는 계면활성 성분들은 거의 대다수가 오폐수에 포함되어 배출되므로 정화처리가 매우 어렵게 되는 것이다. 계면활성성분이나 고분자물질은 그 성질상 수중분해가 매우 곤란하여 제거가 극히 곤란한 것은 물론 다른 오염성분의 분해정화처리에도 결정적으로 방해하여 처리효율을 저하시키고 있다.In particular, since most of the surfactants used in modern times are mostly contained in the waste water, the purification process becomes very difficult. Due to its nature, surfactants and polymers are very difficult to disintegrate in water, and are extremely difficult to remove, and deterministically interfere with decomposition and purification of other contaminants.

일반적으로 계면활성성분과 고분자성분은 그 분해가 곤란하거나 불가능하다고까지 판단될 정도로 어렵고 이는 분해처리가 곤란함으로 인해 크기가 매우 작은 오염성분이 계면활성성분에 포위, 회석 등의 상태로 포함되어 있는 경우에는 이의 처리도 매우 어렵게 되어 전체적으로 볼 때 오폐수 정화처리는 그 처리효율이 저하되므로 처리시간, 면적, 부피, 비용이 필요이상으로 대폭 증가하면서도 정화처리는 잘 안되는 것이다.In general, the surface-active component and the polymer component are difficult to be deemed difficult or impossible to be decomposed. This is because when the decomposition component is difficult, contaminants having a very small size are included in the surface of the surface-active component in the form of envelopment and dilution. Its treatment is also very difficult, and as a whole, the wastewater purification treatment is deteriorated in its treatment efficiency, so the treatment time, area, volume, and cost increase significantly more than necessary, but the purification treatment is not good.

오폐수의 정화처리가 미흡한 상태의 방류시에 지표수와 지하수오염을 일으킴은 곧 인간과 자연생물의 생존을 파괴한다는 사실은 이미 공지의 사실이고 이에 오폐수의 정확한 정화처리는 필수불가결한 전제 조건인 것이다.It is already known that surface water and groundwater pollution, which causes surface water and groundwater contamination when discharged with insufficient wastewater treatment, destroys the survival of humans and natural organisms. Therefore, accurate purification of wastewater is an essential prerequisite.

오폐수속에 절대 다량 오함되는 계면활성 오염성분의 분해제거가 어느정도냐에 따라 전체 오폐수 정화처리 효과를 좌우하게 되어 이의 해결이 시급하게 선결되어야만 오폐수의 정확한 정화처리가 되는 것이다.Depending on the degree of decomposition and removal of the surface-active contaminants that are absolutely included in the wastewater, the overall wastewater purification effect will be influenced.

이에 본 발명은 초단파 파장 진행시에 만나는 성분이 초단파흡수 혹은 통과되는 작용현상, 초단파 공명현상과 공명흡수작용 현상을 이용, 물과 계면활성성분의 분해 또는 타 오염성분과의 분해를 이루고 음이온산소 공기에 의해 분해된 계면활성성분 및 기타 상기과정중 같이 분해된 부유성 오염성분을 같이 부상시키어 수표면에 포집시키어 제거하도록 하는 것이다.Therefore, the present invention uses the phenomenon that the components that meet during the microwave wavelength progression or microwave absorption, the microwave resonance phenomenon and the resonance absorption effect phenomenon to decompose water and surfactant components or other pollutants and anion oxygen air The surface-active component decomposed by and other floating contaminants decomposed as mentioned above are floated together and collected on the water surface to be removed.

이의 더욱 효과적인 성과를 얻기 위하여 조성된 음이온산소 공기의 부상력으로 오폐수를 조성된 교번자장대(N : N자장대, N : S자장대)를 통과시키므로 N : N극자화 N : S극 자화를 시키어 물과 큰물분자를 구조개성하고 활성화시키므로 인한 오염성분과의 해리엔탈피가 높아지는 전처리를 하므로서 초단파에 의한 분해가 더욱 효과적이고 확실하게 이루어지도록 한 것이다.In order to achieve more effective results, N: N-pole magnetization N: S-pole magnetization is allowed to pass through the alternating magnetic field (N: N magnetic field, N: S magnetic field) where waste water is generated by the floating force of the anionic oxygen air. By preliminary treatment to increase the dissociation enthalpy of contaminants due to the structural modification and activation of water and large water molecules, the decomposition by microwaves is made more effective and reliable.

이때 교번자석과 영구자석의 사이에 일어나는 교번자석의 극성교차에 따른 교번자장대는 오폐수의 분해와 분해된 오염성분간의 결합을 이루면서 양자석간의 인력과 반발력에 의해 초단파진동판은 진동을 일으키며 초단파를 오폐수에 방출하여 대단한 속도와 힘으로 분해를 일으키는 것이다.At this time, the alternating magnetic pole according to the alternating polarity of the alternating magnet between the alternating magnet and the permanent magnet forms the coupling between the decomposition of the wastewater and the decomposed pollutants, and the ultra-high vibration plate vibrates due to the attraction and repulsion between the quantum stones and the ultra-short wave into the wastewater. Release it to cause decomposition at great speed and force.

분해되는 오염성분과 계면활성제는 음이온산소 공기의 직접반응과 자화 및 자화공명, 초단파파장 및 파장공명에 의하여 상호 상승작용을 일으키며 물질변화를 일으키어 재이온화나 수중 재융해가 일어나지 않도록 하여 오폐수를 정화처리하는 것이다.Pollutants and surfactants decomposed are synergistic by direct reaction of anionic oxygen air, magnetization and magnetization resonance, ultra-short wavelength and wavelength resonance, and material change to prevent re-ionization or remelting in water to purify wastewater. To deal with.

이러한 오폐수속의 계면활성제를 중점적으로 처리하므로 타 오염성분의 계면활성성분으로 말미암은 수처리효율 저하현상을 방지하고 정교하고 정확한 수처리를 이루는 이러한 효과를 더욱 증진키 위해 처리수조의 오폐수를 공기, 물펌프에 의해 외부로 배수하고 고전압의 전기에서 방전하는 음전자를 공기휠터를 통해 분진과 오염성분이 제거된 공기에 반전하여 음이온산소 공기를 생산, 공기물펌프에서 오폐수와 회석하여 수조의 가압부상분해기로 압송하여 폭기와 분사가 동시에 이루어지게 하므로 효과가 더욱 증진하는 작용을 회류에 의해 지속적으로 일으키게 한다.Since the surfactant in the wastewater is treated intensively, the wastewater in the treatment tank is treated by air or water pump to prevent the degradation of water treatment efficiency caused by the surface active ingredient of other pollutants and to further enhance the effect of achieving precise and accurate water treatment. The negative electrons drained to the outside and discharged from high voltage electricity are inverted into the air free of dust and contaminants through the air filter to produce anion oxygen air, dilute with waste water from the air water pump, and pressurize it to pressurized floatation cracker in the tank. Since aeration and injection are carried out at the same time, the effect is further enhanced by the continuous flow action.

이를 첨부도면에 의해 상세히 기술하여 보면 다음과 같다.It will be described in detail by the accompanying drawings as follows.

정화수처리되기 위해 오폐수처리수조에 인입충진된 오폐수는 공기물펌프(3)와 오수회류관(3b)를 통해 공기, 물회석 펌핑실(3c)에 흡입된다.The wastewater introduced into the wastewater treatment tank to be purified water is sucked into the air and the limestone pumping chamber 3c through the air water pump 3 and the wastewater return pipe 3b.

또한 공기물펌프(3)의 흡력에 의해 공기정화기(1)에 흡입되면서 공기휠터(1a)에서 분진과 오염성분이 여과되어 승압콘트롤부(2)에서 고전압으로 승압되어 음전자방전부(1b)에 의해 방전되는 음전자와 만나 반응하여 음이온산소 공기화되어 공기물회석 펌핑실(3c)에서 인입된 오폐수와 회석되어 공기물회석 투입관(3c)으로 토출되면서 음이온산소군은 오폐수속에 융해되고 착이온되어 용존산소량이 증가하며 이온상태나 융해상태의 오염성분을 산화시키고 물질변화시키며 이온교환에 의한 화학적분해집합으로 물과 오염성분의 분해와 오염성분간의 집합이 이루어지는 등의 정화작용을 일으키며 공기물회석드럼(4)에 인입되어 일부는 기포와 함께 물공기분사공(4b)으로 분사되면서 고압에서 저압으로의 급속한 전환으로 인한 분자간 결합엔달피의 파괴로 분해된다.In addition, by suctioning the air purifier 1 by the suction of the air water pump (3), dust and contaminants are filtered out of the air filter (1a) and boosted to high voltage in the step-up control unit (2) to the negative electron discharge unit (1b) Anion oxygen group melts and lands in wastewater as it reacts with negative electrons discharged by the reaction and becomes anion oxygen air, and is discharged to waste water introduced from air water pump pumping chamber 3c and discharged into air water injection tube 3c. It ionizes to increase dissolved oxygen, oxidize pollutants in ionic or molten state, change materials, and chemically decompose by ion exchange, which purify water and pollutants and collects pollutants. As it is introduced into the lime drum (4), some of it is injected into the water-air jet hole (4b) together with bubbles, and as a result of the breakdown of intermolecular bonds due to the rapid conversion from high pressure to low pressure We are.

또 일부 기포는 물과 분리되어 공기집합실(4c)에 모여 음이온산소공기 폭기부(4a)에 의해 수중폭기되어 오폐수처리 수조의 오폐수를 정화하고 분해된 계면활성성분과 부유성 오염성분을 부상시키어 수표면에 집합시키게 된다.In addition, some of the bubbles are separated from the water and gathered in the air collection chamber 4c to be aerated in the air by the anion oxygen air aeration section 4a to purify the waste water in the wastewater treatment tank and to float the decomposed surfactant and floating contaminants. Are collected on the surface of the water.

물공기분사공(4b)에서 분사되는 물과 음이온산소공기 기포는 분사력과 공기부상력에 의해 수조전체의 물을 본 발명기기를 중심으로 대류와 와류를 일으키게 되어 효과를 더하게 되면서 하부 초단파진동판(6)의 오폐수통과공(6a)을 통해 자화 초단파 분해실에 인입되어 상부초단파진동판(5)에 장착된 영구자석(5a)과 하부초단파진동판(6)의 중앙에 위치하며 연결부착된 교번자석(6a)과의 사이에서 교번자석(6a)의 극성바뀜으로 교번자장대가 조성되고 또한 진동형태의 인력과 반발력이 발생하여 상부초단파진동판(5)과 하부초단파진동판(6)에 전해지므로 판이 진동하여 초단파파장을 본 기기내외로 방출하면서 기기외부의 오폐수를 자화공명과 초단파공명 작용으로 분해분리시키고 음이온산소공기에 의해 물질변화를 일으키며 계면활성성분과 부유성 오염성분은 수면부상하여 집합되고 비중이 높은 침전성 오염성분은 물질변화로 인한 오염복원화 현상이 없이 오폐수처리수조 하단부로 침전집합되어 침전물배출관(8)을 통해 배출하여 처리된다.Water and anion oxygen air bubbles injected from the water air injection hole (4b) is caused by convection and vortex around the water of the entire tank by the injection force and the air flotation force to increase the effect while adding the lower ultra-vibration vibration plate (6 The alternating magnet (6a), which is inserted into the magnetization microwave decomposition chamber through the waste water passage hole (6a), is positioned at the center of the permanent magnet (5a) and the lower microwave vibration plate (6) mounted on the upper microwave vibration plate (5). The alternating magnetic field is formed by the alternating polarity of the alternating magnet 6a and the oscillating force and repulsive force are generated and transmitted to the upper microwave vibrating plate 5 and the lower microwave vibrating plate 6 so that the plate vibrates and the ultra short wavelength Is released into and out of the device, and the waste water from the outside of the device is decomposed and separated by magnetizing resonance and microwave resonance action, causing material change by anionic oxygen air, and surface active ingredient and floating pollution. Min are set by processing the surface portion and the portion with the high settleable contaminants are precipitated in the waste water treatment tank set with no contamination bokwonhwa lower end, caused by the material changing discharged through the sludge discharge pipe (8).

자화초단파분해실로 인입된 전처리된 오폐수는 교번자장대에 의한 자화 및 강력한 초단파에 의해 완전분해되어 물질변화되며 반응수통과공(5a)을 통해 기기 상부로 토출되면서 계면활성성분과 부유물질은 부상하여 부유물질배출관(7)을 통해 외부로 배출한다.The pretreated wastewater introduced into the magnetization microwave decomposition chamber is completely decomposed by magnetization by the alternating magnetic field and strong microwaves and is changed into substances. The surface active ingredient and floating material are floated as it is discharged to the upper part through the reaction water through hole (5a). Discharge to the outside through the suspended solids discharge pipe (7).

위와 같은 반응처리를 공기물펌프(3)의 구동에 의해 회류시키면서 지속적으로 반복처리하므로 오폐수는 정화처리됨을 알 수 있다.It can be seen that the waste water is purged because the reaction treatment as described above is continuously repeated while being driven by the air water pump 3.

또한 수중 계면활성성분의 제거는 이후 여타의 물리적처리, 화학적처리, 생물학적처리시에도 계면활성성분의 난해한 방해를 받지않게 되므로 정확하고 용이한 고효과의 수처리가 이루어지게 됨을 알 수 있다.In addition, the removal of the surface-active component in the water after the other physical treatment, chemical treatment, biological treatment does not interfere with the difficult disturbance of the active ingredient, it can be seen that the high-efficiency water treatment is made easy and accurate.

Claims (2)

오폐수처리수조 하단부에 초단파진동판, 영구자석, 교번자석, 물공기회석드럼, 음이온산소 폭기부, 물공기분사공 등등으로 구성한 가압부상분해기를 장착하여 공기물펌프에 의해 오폐수를 음이온산소 공기의 지속적공급하여 오폐수와 회석하면서 지속적으로 기기 내외로 회류순환시킴으로 초단파 및 초단파공명, 자화 및 자화공명, 음이온산소작용, 분사작용, 폭기작용, 대류 등의 작용과 반응현상으로 오폐수내의 계면활설성분 및 난분해성 오염성분, 기타 오염성분을 분해분리, 물질변화, 응집부상 및 침전에 의해 정화하고 큰물분자의 구조개선과 용존산소량의 포화로 정화된 물을 활성화시키는 처리방법.At the bottom of the waste water treatment tank, a pressurized flotation decomposer composed of ultra-high vibration plate, permanent magnet, alternating magnet, water air drum, anion oxygen aeration unit, water air sprayer, etc. is used to continuously supply waste water to the anion oxygen air by an air water pump. By continuously circulating the inside and outside of the equipment while diluting with the waste water, it is the surface active ingredient and hardly degradable contaminant in the waste water by the action and reaction of microwave and microwave resonance, magnetization and magnetization resonance, anion oxygen action, spray action, aeration action, convection, etc. Treatment of other pollutants by decomposition separation, material change, flocculation and sedimentation and activation of purified water by structural improvement of large water molecules and saturation of dissolved oxygen. 오폐수조처리수조 외부에 공기물펌프(3)의 흡입력에 의해 처리수조의 물을 공기물회석펌핑실(3c)에 흡입하고 이에 공기정화부(1)에 흡입되는 공기를 여과, 음전자방전부(1a)에서 방전되는 음전자와 반응시키어 음이온산소공기를 생산회석시키어 공기물회석드럼(4)에 압송하면서 착이온시키고 산소를 융해시켜 산화, 용존산소증가, 이온교환 등에 의해 정화전처리하여 일부의 음이온산소공기는 음이온산소공기 폭기부(4a)에서 폭기처리수조의 오폐수 오염성분을 산화, 물질변화, 응집시키어 계면활성 성분 및 부유물질을 강제 부상제거케하고 나머지 물과 공기는 물공기분사공(4b)에서 자화초단파분해실로 분사하여 상부 초단파진동타공판(5)에 장착된 영구자석(5a)과 하부 초단파진동타공판(6)에 연결장착된 교번자석(6a) 사이에서 교번전자석의 극성바뀜에 의한 교번자화되게 하고 발생하는 인력과 반발력에 의해 (5), (6)의 진동판을 진동시켜 강력한 초단파를 방출하여 계면활성성분 및 오염성분을 완전분해하여 음이온산소공기 및 응집자화에 의해 물질변화 이후 응집시켜 부상, 침전제거하고 초단파, 초단파공명, 자화, 자화공명을 처리수조내의 물에 방출하여 반응시키고 음이온산소공기가 폭기됨으로 오폐수의 정화처리되는 것을 지속적으로 회류순환시키면서 연속처리가 되게하는 오폐수정화처리 장치.The water from the treatment tank is sucked into the air limestone pumping chamber 3c by the suction force of the air water pump 3 outside the waste water treatment tank, and the air sucked into the air purification unit 1 is filtered and the negative electron discharge unit is discharged. It reacts with the negative electrons discharged in (1a) to produce and anion oxygen air, and pressurizes it to the air-water lime drum (4) while complexing and melting oxygen to purify and purify it by oxidation, dissolved oxygen increase, ion exchange, etc. Anion oxygen air oxidizes, changes, and aggregates the wastewater contaminants of the aeration tank in the anion oxygen air aeration section 4a, thereby forcibly removing the surface-active components and suspended solids, and the remaining water and air are water air spray holes (4b). The polarity of the alternating electromagnet between the permanent magnet 5a mounted on the upper microwave oscillating plate 5 and the alternating magnet 6a attached to the lower microwave oscillating plate 6 By vibrating the diaphragm of (5) and (6) by alternating magnetization and repulsive force, and emitting strong microwaves to completely decompose surface active ingredient and contaminant, and then change material by anion oxygen air and coagulation magnetization Flocculation and sedimentation by flocculation, ultra-high frequency, microwave resonance, magnetization, and magnetization resonance are released to the water in the treatment tank to react, and the anion oxygen air is aerated, so that the wastewater is purified continuously. Processing unit.
KR1019970006164A 1997-02-27 1997-02-27 Apparatus for treating waste water by floatation KR100232051B1 (en)

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WO2004033379A1 (en) * 2002-10-09 2004-04-22 Jong Yoon Jang System for producing magnetization improved water to create a negative ion oxygen
KR100493652B1 (en) * 2002-06-27 2005-06-23 케이에스엠기술 주식회사 A way to purify water by using a pressure floatation method
KR100493636B1 (en) * 2002-06-28 2005-06-23 주식회사 에스디알앤디 A direct water purifying method and apparatus using depth plant pressure floation in the sea, lakes and rivers
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KR100493652B1 (en) * 2002-06-27 2005-06-23 케이에스엠기술 주식회사 A way to purify water by using a pressure floatation method
KR100493646B1 (en) * 2002-06-27 2005-06-23 주식회사 에스디알앤디 A way and a device to purify sewage,slop, and waste water by using a bed biofilm mehod and a pressure floataion
KR100493636B1 (en) * 2002-06-28 2005-06-23 주식회사 에스디알앤디 A direct water purifying method and apparatus using depth plant pressure floation in the sea, lakes and rivers
WO2004033379A1 (en) * 2002-10-09 2004-04-22 Jong Yoon Jang System for producing magnetization improved water to create a negative ion oxygen
KR101066547B1 (en) * 2010-09-03 2011-09-21 정호영 A apparatus to water quality mangement by using a pressure floatation method
KR101105358B1 (en) * 2010-09-03 2012-01-16 정호영 A way to water quality mangement by using a pressure floatation method
KR101468992B1 (en) * 2012-10-15 2014-12-05 한국건설기술연구원 Apparatus and methods for separating fine orgarnic particle from srtting chamber supernatant

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