KR20040013522A - Sewage and wastewater treatment process and facilities - Google Patents
Sewage and wastewater treatment process and facilities Download PDFInfo
- Publication number
- KR20040013522A KR20040013522A KR1020020046490A KR20020046490A KR20040013522A KR 20040013522 A KR20040013522 A KR 20040013522A KR 1020020046490 A KR1020020046490 A KR 1020020046490A KR 20020046490 A KR20020046490 A KR 20020046490A KR 20040013522 A KR20040013522 A KR 20040013522A
- Authority
- KR
- South Korea
- Prior art keywords
- wastewater
- oxygen
- aeration tank
- sewage
- pure oxygen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004065 wastewater treatment Methods 0.000 title claims description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 42
- 238000005273 aeration Methods 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 230000006698 induction Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 244000005700 microbiome Species 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 claims 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 18
- 238000002156 mixing Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- PIYVNGWKHNMMAU-UHFFFAOYSA-N [O].O Chemical compound [O].O PIYVNGWKHNMMAU-UHFFFAOYSA-N 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000050 nutritive effect Effects 0.000 abstract 1
- 239000011368 organic material Substances 0.000 abstract 1
- 235000015097 nutrients Nutrition 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- 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
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1284—Mixing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
- B01F25/211—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being surrounded by guiding tubes
-
- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
- C02F3/1273—Submerged membrane bioreactors
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Activated Sludge Processes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
기존의 하수나 유기성 폐수의 생물학적 처리방법(활성슬러지공법)은 포기Existing biological treatment method (activated sludge method) of existing sewage or organic wastewater is abandoned
조 의 수심이 통상 4∼5m로 소요부지가 넓고 투입되는 공기의 용해율이The water depth of the tank is usually 4-5m, so the required site is wide and the dissolution rate of the injected air is
5∼10% 정도로 낮아 시설비와 운영비 등 경제적인 측면과 처리효율 및 포기5 ~ 10%, economical aspects such as facility cost and operation cost, disposal efficiency and abandonment
조의 용적등 기술적인 측면에서도 매우 비효율적으로 운영되고 있다.It is operating very inefficiently in terms of technical aspects such as Joe's volume.
현재의 활성슬러지공법은 그 효율을 높이기 위하여 포기조에 접촉제등을Current activated sludge process uses contact agent to give up tank to increase efficiency.
설치하는 등의 시도를 하고 있으며 어느정도 효율의 상승을 기대할수 있으나We are trying to install it and expect some increase in efficiency.
아직 미흡하고 시간의 경과에 따른 미생물의 탈리 현상등으로 안정적인 처리Stable treatment due to lack of microorganisms and desorption of microorganisms over time
에 문제가 있으며, 산소전달율 및 이용율등에 많은 개선여지가 있다.There is a problem, and there is much room for improvement in oxygen transfer rate and utilization rate.
순산소 포기방식도 이러한 점을 개선하고 효율을 높이기 위하여 포기조에The oxygen abandonment method also uses aeration tank to improve this and to improve efficiency.
순산소를 이용하고 포기조 높이를 높여 처리하고 있으나 처리효율을 더욱 개We are using pure oxygen and raising the aeration tank height to improve the treatment efficiency
선하는 것이 요구되고 있다.Goodness is required.
본 발명은 하·폐수 처리장치에 있어서 포기조의 수심을 필요에 따라 조절The present invention adjusts the depth of the aeration tank as needed in the sewage and wastewater treatment apparatus
할 수 있으며, 포기조내에 노즐형 분사장치를 설치하여 산소전달율, 이용율Oxygen transfer rate and utilization rate by installing nozzle type injector in aeration tank
을 극대화시키며 MLSS 농도를 높게 유지할수 있어 폭기조의 용적을 최소화하To keep the MLSS concentration high and to minimize the volume of the aeration tank.
고 소요부지를 현격히 줄일수 있다. 또한 산소전달율, 이용율의 극대화로 하Highly required sites can be significantly reduced. In addition, by maximizing oxygen transfer rate and utilization rate,
·폐수내의 유기물과 영양염류등의 처리효율을 높임으로써 설치비용, 운영비Installation cost and operating cost by increasing the treatment efficiency of organic matter and nutrients in waste water
등을 줄일수 있는 우수한 기술이다. 따라서 하·폐수를 재래 시설보다 더 효It is an excellent technology to reduce the back. Therefore, sewage and wastewater are more effective than conventional facilities.
율적으로 처리할 수 있도록 발명된 것이다.It is invented so that it can be processed efficiently.
본 출원의 목적은 하·폐수처리장치의 생물학 반응조(포기조)에 있어서 순The purpose of the present application is to determine the biological reaction tank (aeration tank) of sewage and wastewater treatment equipment.
산소와 노즐형 분사장치를 이용하여 종래의 방식보다 산소 전달율 및 이용율Oxygen transfer rate and utilization rate by using oxygen and nozzle type injector
을 극대화시켜 처리능력을 개선한 기술을 제공하는 것이다.It is to provide technology that maximizes the processing capacity.
상기와 같이 구성된 종래의 하·폐수 처리장치는 유기물 제거와 영양염류Conventional sewage and wastewater treatment apparatus configured as described above is organic matter removal and nutrients
등 제거에 있어서 그 효율이 아주 낮아 비경제적인 문제점이 있었다.In the back removal, the efficiency was very low, there was an uneconomical problem.
본 발명의 목적은 산소의 전달율 및 이용율을 극대화시켜서 각종 하·폐수An object of the present invention by maximizing the oxygen transfer rate and utilization rate of various sewage and wastewater
의 유기물 및 영양염류의 제거 효율이 아주 높은 생물학반응조(포기조)를 제Prepare a biological reaction tank (aeration tank) with high efficiency in removing organic matter and nutrients
공하는 데 있다.It is in the ball.
다시말하면, 포기조의 용적당 처리효율을 높임으로서 그에 따른 설치비용,In other words, by increasing the treatment efficiency per volume of the aeration tank,
운영비, 소요부지를 현격히 줄일수 있는 매우 유용한 하·폐수 처리장치를It is a very useful sewage and wastewater treatment system that can drastically reduce operating costs and required sites.
제공하는데 있다.To provide.
도 1 은 본 발명인 하·폐수 처리장치의 순산소 및 노즐형 분사장치를 이용1 uses the pure oxygen and nozzle type injector of the present invention sewage and wastewater treatment apparatus
한 설치 개략 구성도.One installation schematic schematic.
도 2 는 본 발명인 하·폐수 처리장치의 순산소, 노즐형 분사장치 및 여과2 is pure oxygen, nozzle type injector and filtration of the present invention sewage and wastewater treatment apparatus
막을 이용한 설치 개략 구성도.Schematic diagram of installation using a membrane.
<도면중 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>
10 : 하·폐수 유입관 20 : 순산소발생기10: sewage and wastewater inlet pipe 20: pure oxygen generator
30 : 노즐형 분사장치 31 : 보조믹서기30: nozzle type injector 31: auxiliary mixer
40 : 유도관 50 : 산소공급관40: induction pipe 50: oxygen supply pipe
60 : 여과막 70 : 포기조구조체60: filtration membrane 70: aeration tank structure
80 : 순환펌프 90 : 순환관80: circulation pump 90: circulation pipe
이하 첨부된 도면에 의해 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings as follows.
본 발명은 하·폐수처리장치에 있어서 유입된 하·폐수를 미생물과 산소에The present invention is the wastewater and wastewater introduced in the sewage and wastewater treatment apparatus to the microorganism and oxygen
의해 분해하는 생물학반응조에 관한것으로써 포기조구조체(70)와;It relates to a biological reaction tank to decompose by the aeration tank structure (70);
이 구조체(70) 내부에 하방으로 설치되어 하·폐수를 하부까지 유도하는It is installed downward in the structure 70 to guide the wastewater to the lower part.
유도관(40)과;An induction pipe 40;
이 유도관(40)의 상단부에 설치되는 노즐형 분사장치(30)와;A nozzle type injector 30 provided at an upper end of the induction pipe 40;
하·폐수를 유도관(40) 상부로 이송하는 유입관(10)과;An inflow pipe 10 for transferring waste water to the induction pipe 40;
포기조 외부에 위치하여 유기물을 처리하는데 필요한 산소를 생산해 주는Located outside the aeration tank, it produces the oxygen needed to treat organic matter.
순산소발생기(20)와;A pure oxygen generator 20;
순산소를 포기조내로 공급해주는 산소공급관(50)과;An oxygen supply pipe 50 for supplying pure oxygen into the aeration tank;
포기조 외부에 설치되어 포기조 내 하·폐수를 반복 순환시켜 산소용해율Oxygen dissolution rate is installed outside the aeration tank to circulate the sewage and wastewater inside the aeration tank.
및 혼합효율을 높여 주는 순환펌프(80)와;And circulating pump 80 to increase the mixing efficiency;
필요에 따라 포기조 내 아래부분에 상향식으로 설치되어 수중믹서기(30)의If necessary, the bottom of the abandoned tank is installed from the bottom up of the underwater mixer (30)
기능을 돕는 보조믹서기(31)로 구성된다.It is composed of an auxiliary mixer 31 to assist the function.
상기 관련 포기조 내부설비는 용량에 따라 복수로 설치할 수 있다.The relevant aeration tank internal equipment can be installed in plurality according to capacity.
또한, 포기조내 윗부분에 여과막(60)을 설치하여 다음 처리 단계의 침전조In addition, the settling tank of the next treatment step by installing a filtration membrane 60 in the upper portion of the aeration tank
설비를 생략할 수 있다.The equipment can be omitted.
포기조 수심은 필요에 따라 조절할수 있으며, 산소의 전달율, 이용율을 극The aeration tank depth can be adjusted as needed and the oxygen transfer rate and utilization rate can be minimized.
대화 할수 있어 하·폐수내의 유기물과 영양염류등의 처리효율을 높임으로써You can talk to each other to improve the efficiency of organic matter and nutrients in sewage and wastewater.
설치비용, 운영비, 소요부지를 현격히 줄일수 있는 매우 유용한 발명인 것이It is a very useful invention that can drastically reduce installation cost, operation cost, and site.
다.All.
이하, 본 발명의 바람직한 실시예를 첨부된 도면에 의해 상세히 설명하면Hereinafter, described in detail by the accompanying drawings a preferred embodiment of the present invention
다음과 같다.As follows.
도면1은 순산소 및 노즐형 분사장치를 이용하여 처리효율을 높인 하·폐Figure 1 shows the efficiency of processing and disposal using pure oxygen and nozzle type injectors.
수처리장치를 개략도로 표시한 공정도이다.It is a process chart which shows the schematic of a water treatment apparatus.
도면2는 도면1에 여과막(60)을 추가 설치한 개략구성도이다.2 is a schematic configuration diagram in which a filtration membrane 60 is additionally provided in FIG. 1.
상기 포기조구조체(70)는 수심을 필요에 따라 조절할 수 있으며, 유입된The aeration tank structure 70 can adjust the depth as needed,
하·폐수를 미생물과 산소에 의해 처리가 이루어지도록 하는 것이다.Sewage and wastewater are treated by microorganisms and oxygen.
상기 포기조 내의 처리되기 전의 하·폐수는 유입관(10)을 통하여 유도관Wastewater before the treatment in the aeration tank is introduced through the inlet pipe (10)
(40) 상부에 도달하게 되며 이 과정에서 포기조 내의 처리중인 하·폐수가(40) The upper part is reached, and the sewage and wastewater in the aeration tank
순환펌프(80)와 순환관(90)을 통하여 합류되며, 동시에 순산소 발생기(20)Joined through the circulation pump 80 and the circulation pipe 90, at the same time the pure oxygen generator 20
에서 생산된 순산소가 산소공급관(50)을 통하여 혼합된다.Pure oxygen produced in is mixed through the oxygen supply pipe (50).
유도관(40) 상단부에 설치되는 노즐형 분사장치(30)는 하·폐수와 산소를The nozzle-type injector 30 installed at the upper end of the induction pipe 40 discharges sewage and wastewater and oxygen.
고속으로 혼합시켜 유도관(40) 내로 투입시키며, 이때 기체상태의 산소를 미It is mixed at high speed and introduced into the induction pipe 40. At this time, gaseous oxygen is
세하게 잘라주기 때문에 산소전달율, 이용율을 극대화시켜 유도관(40) 아래Because it cuts finely, it maximizes the oxygen transfer rate and utilization rate below the induction pipe (40).
로 이송시켜 줄수 있게 된다.Can be transferred to.
포기조 내 아래부분에 필요에 따라 상향식으로 설치되는 보조믹서기(31)는Auxiliary mixer 31 installed upward from the bottom of the aeration tank as needed is
유도관(40) 아래로 이송된 산소와 하·폐수의 혼합액을 고속으로 회전시켜Rotate the mixture of oxygen and sewage and wastewater transferred under the induction pipe 40 at a high speed
접촉효율을 높여줌과 동시에 포기조 하단에 침전물이 발생되는 것을 방지해It improves the contact efficiency and prevents sediment formation at the bottom of the aeration tank.
준다.give.
포기조 외부에 설치되는 순환펌프(80)는 포기조 상부에서 산소와 혼합된The circulation pump 80 installed outside the aeration tank is mixed with oxygen at the top of the aeration tank.
하·폐수를 흡입하여 유도관(40) 상단부로 재투입하고, 이 과정에서 처리되The sewage and waste water are sucked in and re-introduced into the upper part of the induction pipe 40, and treated in this process.
기 전의 하·폐수 및 산소와 재혼합되어 산소용해율 및 혼합효율을 높여 주Remix with wastewater, wastewater and oxygen before improving oxygen dissolution rate and mixing efficiency
며, 노즐형 분사장치(30)을 통해 유도관(40) 내로 재순환된다.And is recycled into the induction pipe 40 through the nozzle type injector 30.
유도관(40)의 외벽을 따라 포기조 상부로 이송된 하·페수는 상당부분 유The waste water discharged to the top of the aeration tank along the outer wall of the induction pipe 40 is largely
도관(40)내로 재유입되어 노즐형 분사장치(30)에 의해 상기 과정을 반복하게Re-introduced into conduit 40 to repeat the process by nozzle type injector 30
된다.do.
이러한 구성의 포기조구조체(70)에서는 하·폐수, 순산소, 미생물이 충분In the aeration tank structure 70 having such a configuration, sewage, wastewater, pure oxygen, and microorganisms are sufficient.
히 혼합되는 상태로 순환되며, 이 과정에서 산소전달율과 이용율이 극대화되It is circulated in a mixed state, and the oxygen transfer rate and utilization rate are maximized in this process.
어 하·폐수내의 유기물과 영양염류가 높은 효율로 분해되는 것이다.Organic matter and nutrients in fish and waste water are decomposed with high efficiency.
따라서 본 발명인 하·폐수처리장치는 생물학반응조(포기조) 내부를 개선Therefore, the present inventors of the sewage and wastewater treatment apparatus improve the biological reaction tank (aeration tank).
하여 각종 하·폐수의 유기물과 영양염류를 재래시설보다 더 효율적으로 처To treat organics and nutrients from various sewage and wastewater more efficiently than conventional facilities.
리할 수 있는 것이다.It can be done.
상기와 같은 본 발명의 구성에 의하면, 노즐형 분사장치(30)와 유도관 및According to the configuration of the present invention as described above, the nozzle type injector 30 and the induction pipe and
보조믹서기등을 설치하여 접촉효율을 높임으로서 산소전달율과 이용율의 극Auxiliary mixers are installed to increase the contact efficiency, resulting in the maximum oxygen transfer rate and utilization rate.
대화를 달성하여 보다 효율적인 유기물 및 영양염류의 제거를 도모할수 있Achieve conversations to promote more efficient removal of organics and nutrients.
다.All.
따라서 포기조 용적을 최소화함으로서 설치비용, 운영비, 소요부지등을 현Therefore, by minimizing the volume of abandonment tank, the installation cost, operating cost, site required, etc.
격히 줄일수 있다.Can be drastically reduced.
그러므로, 하·폐수 내의 유기물 및 영얌염류를 보다 효율적으로 처리할Therefore, organic matters and young salts in sewage and waste water can be treated more efficiently.
수 있으므로, 처리효율에 대한 신뢰성 및 작업 편의성을 향상시킬 수 있는Can improve the reliability and processing convenience of processing efficiency
매우 유용한 발명인 것이다.It is a very useful invention.
또한, 여과막(60) 설치로 다음 단계의 침전조를 대체할 수도 있다.In addition, the installation of the filtration membrane 60 may replace the precipitation tank of the next step.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020046490A KR20040013522A (en) | 2002-08-07 | 2002-08-07 | Sewage and wastewater treatment process and facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020046490A KR20040013522A (en) | 2002-08-07 | 2002-08-07 | Sewage and wastewater treatment process and facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20040013522A true KR20040013522A (en) | 2004-02-14 |
Family
ID=37320844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020020046490A Ceased KR20040013522A (en) | 2002-08-07 | 2002-08-07 | Sewage and wastewater treatment process and facilities |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20040013522A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2344872C1 (en) * | 2007-10-11 | 2009-01-27 | Общество с ограниченной ответственностью "Научно-производственное объединение "Нефтепромхим" ООО "НПО "Нефтепромхим" | Device for mixing in tank with variable level of filling |
| KR100913728B1 (en) * | 2008-09-03 | 2009-08-24 | 조정선 | Wastewater treatment method for controlling dissolved oxygen concentration by pure oxygen and wastewater treatment device suitable for this |
| KR101022800B1 (en) * | 2010-04-28 | 2011-03-17 | 공주대학교 산학협력단 | Aeration System Using Oxygen Jets |
| KR101403532B1 (en) * | 2012-05-29 | 2014-06-03 | 부경대학교 산학협력단 | Led algae culturing system |
| CN104192990A (en) * | 2014-09-28 | 2014-12-10 | 武汉兴天宇环境工程有限公司 | Oxygen enrichment jet loop reaction device |
-
2002
- 2002-08-07 KR KR1020020046490A patent/KR20040013522A/en not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2344872C1 (en) * | 2007-10-11 | 2009-01-27 | Общество с ограниченной ответственностью "Научно-производственное объединение "Нефтепромхим" ООО "НПО "Нефтепромхим" | Device for mixing in tank with variable level of filling |
| KR100913728B1 (en) * | 2008-09-03 | 2009-08-24 | 조정선 | Wastewater treatment method for controlling dissolved oxygen concentration by pure oxygen and wastewater treatment device suitable for this |
| KR101022800B1 (en) * | 2010-04-28 | 2011-03-17 | 공주대학교 산학협력단 | Aeration System Using Oxygen Jets |
| KR101403532B1 (en) * | 2012-05-29 | 2014-06-03 | 부경대학교 산학협력단 | Led algae culturing system |
| CN104192990A (en) * | 2014-09-28 | 2014-12-10 | 武汉兴天宇环境工程有限公司 | Oxygen enrichment jet loop reaction device |
| CN104192990B (en) * | 2014-09-28 | 2016-08-17 | 武汉兴天宇环境工程有限公司 | A kind of oxygen-enriched injection circulation reaction unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR200418245Y1 (en) | Oxygen Aeration System for Sewage Treatment | |
| US7163632B1 (en) | System and method for oxygenation for wastewater treatment | |
| CN1565989A (en) | Method for waste water treatment by utilizing intermittent aeration and re-circulations | |
| CN108503019A (en) | A kind of membrane bioreactor and sewage water treatment method | |
| KR101080818B1 (en) | Treating method for swage-wastewater of high concentration using ultra-fine bubble as well as dissolved oxygen tank | |
| JP2018057995A (en) | Sewage purification system | |
| KR20040013522A (en) | Sewage and wastewater treatment process and facilities | |
| JP3731806B2 (en) | Organic wastewater treatment method and apparatus | |
| JP3836038B2 (en) | Sludge treatment method and treatment equipment | |
| CN108569817A (en) | A kind of coal chemical industrial waste water biochemical system processing unit | |
| KR100246493B1 (en) | Sewage and waste water disposal plant | |
| KR20040013521A (en) | Sewage and wastewater treatment process and facilities | |
| KR20040049713A (en) | Nutrient Removal Process and Facilities for Sewage and Wastewater Treatment Plant Utilizing Bubble Capturing and Recycling Device | |
| KR200276093Y1 (en) | Highly concentrated waste water disposal system | |
| CN208087429U (en) | A kind of membrane bioreactor | |
| KR100291830B1 (en) | Wastewater treatment method and apparatus for removing hydrogen and phosphorus from intermittent aeration | |
| KR100352177B1 (en) | Wastewater treatment plant for disintegration and separation of pollutants | |
| KR100348500B1 (en) | Biological Nutrient Removal Technology for sewage and wastewater by deep pure oxygen Aeration | |
| KR20040051785A (en) | Bubble Arresting and Recycling Method and Facilities for Biological Reactors of Wastewater Treatment Plants | |
| JPH09206780A (en) | Aerobic biological treatment equipment | |
| JP2886385B2 (en) | Activated sludge treatment equipment | |
| KR20040042081A (en) | Sewage and wastewater treatment process and facilities | |
| CN112299655A (en) | A New Treatment Process for Aged Landfill Leachate | |
| KR200221275Y1 (en) | Jet Loop reactor for sewage treatment | |
| KR100221850B1 (en) | Method and apparatus for removing nutrients from wastewater treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20020807 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20040824 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20050124 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20040915 Comment text: Notification of reason for refusal Patent event code: PE06011S01I Patent event date: 20040824 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |