KR100824809B1 - Frp combine purifying tank - Google Patents

Frp combine purifying tank Download PDF

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KR100824809B1
KR100824809B1 KR20070040264A KR20070040264A KR100824809B1 KR 100824809 B1 KR100824809 B1 KR 100824809B1 KR 20070040264 A KR20070040264 A KR 20070040264A KR 20070040264 A KR20070040264 A KR 20070040264A KR 100824809 B1 KR100824809 B1 KR 100824809B1
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tank
temperature
contact aeration
frp
control unit
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KR20070040264A
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Korean (ko)
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박정호
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브니엘 워터 주식회사
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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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/006—Regulation methods for biological treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/06—Aerobic processes using submerged filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Activated Sludge Processes (AREA)
  • Treatment Of Biological Wastes In General (AREA)

Abstract

An FRP(Fiber-Reinforced Plastic) combination purifying tank is provided to prevent water quality from being deteriorated due to inactivation of microorganisms in winter, by installing a sensor and heating units within the purifying tank so as to maintain the optimal temperature of the purifying tank. An FRP combination purifying tank comprises a flow amount adjustment bath(1) for adjusting the flow amount of sewage and wastewater, plural contact aeration baths(2,3,4,5) contacted with air so that organic materials of the sewage and the wastewater are decomposed by microorganisms, and a precipitation bath(6) for precipitating precipitate containing the sewage and the wastewater. A temperature sensor(11) is installed at one side of the FRP combination purifying tank. A controller(12) is connected to the temperature sensor. A first heating unit is connected to the controller and installed within the flow amount adjustment bath. The first heating unit is operated or stopped according to control of the controller. A second heating unit is connected to the controller and installed within each of the contact aeration baths. The second heating unit is operated or stopped according to control of the controller.

Description

온도조절 섬유강화플라스틱 합병정화조 {FRP COMBINE PURIFYING TANK}Temperature Controlled Fiber Reinforced Plastic Merger Purifier {FRP COMBINE PURIFYING TANK}

도 1은 오·폐수의 처리 계통도1 is a flow chart of treatment of sewage and wastewater

도 2는 본 발명에 의한 섬유강화플라스틱 합병정화조를 나타낸 개략도.Figure 2 is a schematic diagram showing a fiber-reinforced plastics clarification tank according to the present invention.

※도면의 주요부분에 대한 부호의 설명※ Explanation of symbols for main parts of drawing

1: 유량조정조 2: 접촉폭기조 1실1: Flow rate adjusting tank 2: Contact aeration tank 1 room

3: 접촉폭기조 2실 4: 접촉폭기조 3실3: 2 contact aeration tanks 4: 3 contact aeration tanks

5: 접촉폭기조 4실 6: 침전조5: 4 contact aeration tanks 6: settling tank

7; 방류조 11: 온도센서7; Outflow tank 11: temperature sensor

12: 제어부 13: 가열기12: control unit 13: heater

본 발명은 온도조절 섬유강화플라스틱 합병정화조에 관한 것으로서, 보다 상세하게는 섬유강화플라스틱 합병정화조의 유량조정조와 접촉폭기조에 일정 온도만큼 상승시킬 수 있는 가열수단과 센서가 장착되어 추운 겨울에도 합병정화조 내 온도가 미생물이 활성화될 수 있는 최적의 온도가 되도록 구성된 섬유강화플라스틱 합병정화조에 관한 것이다.The present invention relates to a temperature-controlled fiber reinforced plastic combined purification tank, and more particularly, a heating means and a sensor that can be raised to a certain temperature in the flow adjustment tank and the contact aeration tank of the fiber reinforced plastic combined purification tank are installed in the combined purification tank even in the cold winter. It relates to a fiber-reinforced plastics purification tank configured to have a temperature at which the microorganism can be activated.

일반적으로 산업현장이나 가정 등에서 발생되는 오수 및 분뇨는 토양에 그대로 매립 처리하면 토양에 침투되어 토양과 지하수를 오염시킬 수 있고 자연환경을 파괴하게 되므로 합병정화조로 상기 오수 등을 처리하게 된다.In general, sewage and manure generated at industrial sites or homes are treated with landfills as it is, so as to penetrate the soil and contaminate the soil and groundwater, and destroy the natural environment.

종래의 합병정화조는 하나의 본체 내에 다수의 격판으로 구분되는 조들로 이루어지는데, 유량조정조, 접촉폭기조, 침전조 등을 포함하여 구성된다. Conventional merger purification tank is composed of a plurality of diaphragm tank in one body, including a flow rate adjustment tank, contact aeration tank, sedimentation tank and the like.

도 1 및 도 2를 참고하여 상기 합병정화조에 의한 오·폐수 처리 과정을 살펴본다. 오폐수가 유입되면 유량조정조(1)는 오·폐수의 유량을 조정한다. 접촉폭기조(2,3,4,5)는 여러 개가 구비되며, 접촉폭기조(2,3,4,5)에서는 유량조정조(1)를 통과한 오·폐수 중의 유기물질이 호기성 미생물에 의해 분해될 수 있도록 적정량의 산소와 접촉된다. 침전조에서는 접촉폭기조(2,3,4,5)를 통과한 오·폐수가 함유한 침전물이 단계적으로 침전된다. 침전조(6)는 접촉폭기조(2,3,4,5)에서 분해된 오니를 침전시켜 상등수만 유출구로 배출하는 동시에 슬러지는 오니 농축조(미도시)를 거쳐 상류측의 유량조정조(1)로 보낸다. 침전조(6)에서 배출된 오·폐수는 소포조(미도시)로 보내져서 접촉폭기조(2,3,4,5)의 거품이 제거되고 소포조(미도시)를 지난 오·폐수는 방류조로 모여지며 여기서 유출관을 통해 합병정화조를 빠져나간다. 또한, 합병 정화조는 상술한 구조에서 질소와 인 제거를 목적으로 혐기조가 폭기조 전단계에서 설치될 수 있다(미도시).Referring to Figures 1 and 2 looks at the waste water treatment process by the merger purification tank. When wastewater flows in, the flow adjusting tank 1 adjusts the flow rate of the wastewater. A plurality of contact aeration tanks 2, 3, 4, and 5 are provided. In the contact aeration tanks 2, 3, 4, and 5, organic substances in the wastewater passing through the flow adjusting tank 1 are decomposed by aerobic microorganisms. Contact with an appropriate amount of oxygen. In the sedimentation tank, the sediment containing the waste water passed through the contact aeration tanks (2, 3, 4, 5) is precipitated step by step. The sedimentation tank 6 precipitates the sludge decomposed in the contact aeration tanks 2, 3, 4 and 5, and discharges only the supernatant water to the outlet, and the sludge is sent to the upstream flow adjusting tank 1 through the sludge concentration tank (not shown). . The waste water discharged from the settling tank 6 is sent to a defoaming tank (not shown) so that the bubbles of the contact aeration tanks (2, 3, 4, 5) are removed and the waste water passing through the defoaming tank (not shown) is discharged into a discharge tank. It is gathered and exits the merger septic tank through the outlet pipe. In addition, the merger septic tank may be installed in the anaerobic tank before the aeration tank stage for the purpose of removing nitrogen and phosphorus in the above-described structure (not shown).

합병정화조는 일반적으로 섬유강화플라스틱(FRP)이나 콘크리트 재질로 구성되는데, FRP 합병정화조는 콘크리트 합병정화조에 비해 제작 비용이 훨씬 저렴하고 시공이 간편하므로 가설 건물 등에 2년 내지 3년 동안 간이로 사용할 때 유용하다.The merger and purification tank is generally composed of fiber reinforced plastic (FRP) or concrete material. FRP merger and purification tank is much cheaper than the concrete merger and is easy to construct, so it is easy to use for 2 ~ 3 years in temporary buildings. useful.

그러나 FRP 합병정화조는 콘크리트 합병정화조에 비하여 겨울철 수질 악화 현상이 일어나기 쉽다는 문제점이 있다. 겨울철 수질 악화의 원인은 오수 처리 시설에 사용되는 미생물이 주변 온도가 내려감으로써 죽게 되는 데에 있다. 오수 처리 시설에 사용되는 미생물은 20~40℃에서 활동 가능한 중온성 미생물로서 22~23℃에서 가장 활성이 크다. However, the FRP merger septic tank has a problem that water quality deterioration is more likely to occur in winter than the concrete merger septic tank. The reason for the deterioration of the water quality in winter is that the microorganisms used in the sewage treatment plant die as the ambient temperature decreases. Microorganisms used in sewage treatment facilities are mesophilic microorganisms that can be active at 20 ~ 40 ℃ and are most active at 22 ~ 23 ℃.

여름철에도 FRP 합병정화조가 땅 속에 묻혀 있음으로 인해 온도가 낮은 곳에 위치하기는 하지만 여름철에는 맨홀에서의 열전달, 지면에서의 열전달, 유입수 자체의 온도가 높음 등으로 인한 온도 보정 효과가 있어서 미생물이 최적 온도에서 활성화될 수 있다. In the summer, the FRP combined septic tank is located in a low temperature due to the buried ground, but in the summer, microorganisms have optimum temperature due to the temperature compensation effect due to heat transfer from the manhole, heat transfer from the ground, and high temperature of the influent itself. It can be activated at.

그러나 겨울철에는 상기 요인들에 의한 온도 보정 효과가 없으며, 온도가 낮으므로 미생물 자체의 발열량도 적기 때문에 미생물이 20℃ 미만의 온도에 있게 되어 미생물의 활성을 기대할 수 없게 되고, 이는 겨울철 수질 악화의 원인이 된다는 문제점이 있다.However, in winter, there is no temperature correction effect due to the above factors, and because the temperature is low, the calorific value of the microorganism itself is low, so that the microorganism is at a temperature of less than 20 ° C., so that the activity of the microorganism cannot be expected. There is a problem.

본 발명은 이러한 종래 기술의 문제점을 해결하기 위해서 안출된 것으로서, 본 발명은 FRP 합병정화조 내부의 온도를 조절할 수 있는 장치를 설치함으로써 계절에 상관없이 FRP 합병정화조 내부의 미생물이 활성될 수 있는 환경을 조성해줌으로써 겨울철 수질 악화 현상의 원인을 제거하는 FRP 합병정화조를 제공하는 데 그 목적이 있다.The present invention has been made to solve the problems of the prior art, the present invention by installing a device that can control the temperature inside the FRP combined septic tank, an environment in which microorganisms in the FRP combined septic tank can be activated regardless of the season. The aim is to provide an FRP combined septic tank that eliminates the cause of the deterioration of winter water quality.

이와 같은 상기의 목적을 달성하기 위한 본 발명은 오·폐수의 유량을 조정하는 유량조정조와, 상기 유량조정조를 통과한 오·폐수 중의 유기물질을 미생물에 의해 분해될 수 있도록 적정량의 산소와 접촉하는 접촉폭기조와, 상기 접촉폭기조를 통과한 오·폐수가 함유한 침전물을 침전시켜주는 침전조를 포함하여 구성되고 섬유강화플라스틱을 재료로 하는 합병정화조에 있어서, 상기 합병정화조의 일측에 설치되어 온도 변화를 감지하기 위한 온도센서와, 상기 온도센서에 연결되는 제어부와,상기 제어부에 연결되고 상기 유량조정조 내부에 설치되어 상기 제어부의 조절에 따라 작동되거나 멈추는 유량조정조 가열수단과, 상기 제어부에 연결되고 상기 접촉폭기조 내부에 설치되어 상기 제어부의 조절에 따라 작동되거나 멈추는 접촉폭기조 가열수단을 포함하여 구성된다.The present invention for achieving the above object is a flow rate adjustment tank for adjusting the flow rate of the wastewater, and the organic material in the wastewater that has passed through the flow rate adjustment tank is in contact with an appropriate amount of oxygen to be decomposed by the microorganisms A merger and purification tank comprising a contact aeration tank and a sedimentation tank for depositing sediment containing waste and wastewater having passed through the contact aeration tank, wherein the combined purification tank is made of fiber-reinforced plastics, A temperature sensor for sensing, a control unit connected to the temperature sensor, a flow rate adjustment tank heating unit connected to the control unit and installed inside the flow rate adjustment tank and operated or stopped according to the control of the control unit, and connected to the control unit and the contact Contact aeration tank heating water installed inside the aeration tank and operated or stopped according to the control of the controller It is configured to include a.

이하, 본 발명의 구체적인 실시 예를 첨부된 도면을 참고하여 상세하게 설명한다. Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명의 일 실시 예에 따른 FRP 합병정화조의 단면을 나타낸 것이다.Figure 2 shows a cross-section of the FRP combined purification tank according to an embodiment of the present invention.

FRP 합병정화조의 내부 공간은 유량조정조(1)와, 접촉폭기조 1실(2)과, 접촉폭기조 2실(3)과, 접촉폭기조 3실(4) 및 접촉폭기조 4실(5)과 침전조(6), 방류조(7)로 이루어진다. 유입수의 처리에 있어서의 각각의 기능은 종래의 기술에 대해 상술한 내용과 같다.The internal spaces of the FRP merger and purification tanks (1), one contact aeration tank (2), two contact aeration tanks (3), three contact aeration tanks (4), four contact aeration tanks (5) and a settling tank ( 6) and a discharge tank 7. Each function in the treatment of the influent is the same as described above with respect to the prior art.

본 발명에서의 특유의 부분은 일정 온도만큼 상승시켜 줄 수 있는 온도 조절 시스템이 FRP 합병정화조에 설치된다는 점이다. 이때, FRP 합병정화조에 혐기조가 더 설치되어 있는 경우에는 온도 조절 시스템을 혐기조에 연결하여 설치하지 않는 것이 바람직하다. 이는 혐기조에서는 미생물의 활성이 필요없기 때문이다. 이에, 본 발명에서는 혐기조의 도시나 설명을 생략하기로 한다. 하지만, 본 발명에서는 혐기조가 설치되거나 설치되지 않은 FRP 합병정화조 모두를 적용하여 사용할 수 있으며, 혐기조 설치 여부에 따라 본 발명의 온도 조절 시스템의 설치 여부가 한정되는 것은 아니다.A unique part of the present invention is that a temperature control system capable of raising the temperature by a predetermined temperature is installed in the FRP combined purification tank. At this time, when the anaerobic tank is further installed in the FRP combined purification tank, it is preferable not to connect the temperature control system to the anaerobic tank. This is because the anaerobic tank does not require the activity of microorganisms. Therefore, in the present invention, illustration or description of the anaerobic tank will be omitted. However, in the present invention, both anaerobic tanks can be used by applying or not installed FRP combined purification tank, the installation of the anaerobic tank is not limited to the installation of the temperature control system of the present invention.

상기 온도 조절 시스템은 합병정화조의 일측에 설치되어 온도 변화를 감지하기 위한 온도센서(11)와, 상기 온도센서(11)에 연결되는 제어부(12)와, 상기 제어부(12)에 연결되고 상기 유량조정조(1), 접촉폭기조 1실(2), 접촉폭기조 2실(3), 접촉폭기조 3실(4) 및 접촉폭기조 4실(5) 내부에 각각 설치되어 상기 제어부(12)의 조절에 따라 작동되거나 멈추는 가열기(13)들로 구성된다.The temperature control system is installed on one side of the combined purification tank, a temperature sensor 11 for detecting a temperature change, a control unit 12 connected to the temperature sensor 11, and connected to the control unit 12 and the flow rate It is installed inside the adjusting tank 1, the contact aeration tank 1 chamber 2, the contact aeration tank 2 chamber 3, the contact aeration tank 3 chamber 4 and the contact aeration tank 4 chamber 5, respectively, according to the control of the control unit 12. It consists of heaters 13 which are activated or stopped.

이 온도 조절 시스템은 전기로 작동하며 서로 전선으로 이어지고, 상기 가열기(13)는 전기가 들어오면 열을 발생하는 코일로 된 히터일 수 있다.The temperature control system operates electrically and runs on wires to each other, and the heater 13 may be a coiled heater that generates heat when electricity is turned on.

상기 가열기(13)는 접촉폭기조(2,3,4,5) 뿐 아니라 반드시 유량조정조(1)에도 장착이 되어야 하는데, 유량조정조(1)에서부터 가열해야 미생물이 유입되는 물에 의해 열충격을 받는 것을 방지할 수 있기 때문이다. 유입수는 유량조정조(1)에서부터 여러 개의 접촉폭기조(2,3,4,5)를 거치면서 꾸준히 가열되므로 접촉폭기조(5) 이후에는 굳이 가열기(13) 장착이 필요하지 않다.The heater 13 must be installed in the flow control tank (1) as well as the contact aeration tank (2, 3, 4, 5), it must be heated from the flow control tank (1) to be thermally shocked by the water in which the microorganism is introduced This can be prevented. Since the inflow water is steadily heated from the flow rate adjustment tank 1 through several contact aeration tanks 2, 3, 4, and 5, the heater 13 is not necessarily installed after the contact aeration tank 5.

온도센서(11)는 FRP 합병정화조의 판넬 쪽에 장착되어 온도 변화를 감지하며, 기준 온도에 비해 일정 온도 이상 떨어지면 제어부(12)의 스위치를 온(ON)시키 고 이에 따라 가열기(13)들이 일제히 작동되어 열을 발생시킨다. 온도센서(11)가 기준 온도에 비해 일정 온도 이상 높아지면 제어부(12)의 스위치를 오프(OFF)시키고 이에 따라 가열기(13)들의 작동이 멈춘다. 온도 조절 시스템이 상기와 같은 과정을 반복하여 추운 겨울철에도 FRP 합병정화조의 내부 온도가 미생물이 활성화되기 적당한 온도를 유지할 수 있게 된다.The temperature sensor 11 is mounted on the panel side of the FRP combined septic tank and senses a change in temperature. When the temperature falls below a predetermined temperature compared to the reference temperature, the temperature sensor 11 turns on the switch of the control unit 12 and thus the heaters 13 operate in unison. To generate heat. When the temperature sensor 11 is higher than the reference temperature by a predetermined temperature or more, the switch of the control unit 12 is turned off and thus the operation of the heaters 13 is stopped. The temperature control system repeats the above process, so that even in cold winters, the internal temperature of the FRP combined purification tank can maintain a suitable temperature for activating microorganisms.

이상의 설명에서와 같이 본 발명은 바람직한 구체적인 예들에 대해서만 기술하였으나, 상기의 구체적인 예들을 바탕으로 한 본 발명의 기술사상 범위 내에서의 다양한 변형 및 수정이 가능함은 당업자에게 있어서 명백한 것이며, 또한, 이러한 변형 및 수정이 첨부된 특허청구범위에 속함은 당연한 것이다.As described above, the present invention has been described only with respect to specific examples, but it will be apparent to those skilled in the art that various changes and modifications can be made within the technical spirit of the present invention based on the above specific examples. And modifications belong to the appended claims.

이상에서와 같이, 본 발명에 의한 섬유강화플라스틱 합병정화조에 의하면 오수처리시설 유입조로부터 내부 온도를 일정 온도만큼 상승시킬 수 있는 센서 및 가열기를 장착하여 합병정화조내 온도를 미생물이 활성화될 수 있는 최적의 온도로 조성해줘서, 미생물의 비활성화로 인한 겨울철 수질 악화가 방지된다는 장점이 있다.As described above, according to the fiber-reinforced plastics purification tank according to the present invention is equipped with a sensor and a heater that can raise the internal temperature by a predetermined temperature from the sewage treatment plant inlet tank to optimize the temperature of the microorganisms to activate the microorganisms in the temperature. By forming at a temperature of, there is an advantage that the deterioration of water quality in winter due to inactivation of microorganisms.

Claims (1)

오·폐수의 유량을 조정하는 유량조정조와, 상기 유량조정조를 통과한 오·폐수 중의 유기물질을 미생물에 의해 분해될 수 있도록 적정량의 산소와 접촉하는 여러개의 접촉폭기조와, 상기 폭기조를 통과한 오·폐수가 함유한 침전물을 침전시켜주는 침전조를 포함하여 구성되고 섬유강화플라스틱을 재료로 하는 합병정화조에 있어서,A flow regulating tank for adjusting the flow rate of the waste water, a plurality of contact aeration tanks in contact with an appropriate amount of oxygen so that organic matter in the waste water passing through the flow adjusting tank can be decomposed by microorganisms, and In a combined purification tank composed of a fiber-reinforced plastic, comprising a sedimentation tank for depositing sediment containing waste water, 상기 합병정화조의 일측에 설치되어 온도 변화를 감지하기 위한 온도센서;A temperature sensor installed at one side of the merged purification tank to sense a temperature change; 상기 온도센서에 연결되는 제어부;A control unit connected to the temperature sensor; 상기 제어부에 연결되고 상기 유량조정조 내부에 설치되어 상기 제어부의 조절에 따라 작동되거나 멈추는 유량조정조 가열수단; 및A flow rate adjustment tank heating means connected to the control unit and installed inside the flow rate adjustment tank to operate or stop according to the control of the control unit; And 상기 제어부에 연결되고 상기 여러개의 접촉폭기조 내부에 각각 설치되어 상기 제어부의 조절에 따라 작동되거나 멈추는 접촉폭기조 가열수단;Contact aeration tank heating means connected to the control unit and installed in each of the plurality of contact aeration tanks to be operated or stopped according to the control of the control unit; 을 포함하여 구성되는 것을 특징으로 하는 온도조절 섬유강화플라스틱 합병정화조.Temperature-controlled fiber reinforced plastic combined purification tank, characterized in that comprising a.
KR20070040264A 2007-04-25 2007-04-25 Frp combine purifying tank KR100824809B1 (en)

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KR101816486B1 (en) * 2017-06-27 2018-01-30 주식회사 대양환경기술 Waste water treatment apparatus
KR101932611B1 (en) * 2018-04-30 2018-12-27 (주)이앤씨 Advanced water treatment system using Heat-Recovery system for Prevention of Microorganism Activation Reduction by temperature difference of water treatment step
KR101948185B1 (en) * 2018-10-08 2019-02-14 (주)이앤씨 Treatment of reverse osmosis concentrated water using Electro-Dialysis system and vacuum evaporation drying system
KR102310721B1 (en) 2020-11-10 2021-10-08 주식회사 연 Sewage treatment apparatus using electrolysis
KR102508146B1 (en) 2022-04-05 2023-03-10 주식회사 연 Air diffuser for treating wastewater
KR20230156186A (en) 2022-05-04 2023-11-14 주식회사 연 Bio-filtering apparatus, waste water treatment system having the same and waste water treatment methode

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JP2005111405A (en) 2003-10-09 2005-04-28 Sekisui Kagaku Hokkaido Kk Septic tank
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101816486B1 (en) * 2017-06-27 2018-01-30 주식회사 대양환경기술 Waste water treatment apparatus
KR101932611B1 (en) * 2018-04-30 2018-12-27 (주)이앤씨 Advanced water treatment system using Heat-Recovery system for Prevention of Microorganism Activation Reduction by temperature difference of water treatment step
KR101948185B1 (en) * 2018-10-08 2019-02-14 (주)이앤씨 Treatment of reverse osmosis concentrated water using Electro-Dialysis system and vacuum evaporation drying system
KR102310721B1 (en) 2020-11-10 2021-10-08 주식회사 연 Sewage treatment apparatus using electrolysis
KR102508146B1 (en) 2022-04-05 2023-03-10 주식회사 연 Air diffuser for treating wastewater
KR20230156186A (en) 2022-05-04 2023-11-14 주식회사 연 Bio-filtering apparatus, waste water treatment system having the same and waste water treatment methode

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