KR0156438B1 - Simultaneous removal of wastewater and nitrogen and phosphorus using aerobic fluidized bed wastewater treatment system - Google Patents
Simultaneous removal of wastewater and nitrogen and phosphorus using aerobic fluidized bed wastewater treatment systemInfo
- Publication number
- KR0156438B1 KR0156438B1 KR1019950039235A KR19950039235A KR0156438B1 KR 0156438 B1 KR0156438 B1 KR 0156438B1 KR 1019950039235 A KR1019950039235 A KR 1019950039235A KR 19950039235 A KR19950039235 A KR 19950039235A KR 0156438 B1 KR0156438 B1 KR 0156438B1
- Authority
- KR
- South Korea
- Prior art keywords
- fluidized bed
- aeration tank
- wastewater
- wastewater treatment
- nitrogen
- 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.)
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Classifications
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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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
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/085—Fluidized beds
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
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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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
본 발명은 혐기성 유출수중의 유기물과 함께 질소와 인 성분을 동시에 제거하기 위하여 폭기조는 폐수의 흐름방향과 기포의 흐름방향을 상호역으로 유지시켜 산소 전달율을 최대로 유지시키고, 단위용적당 부지면적을 최소화시키고 운전비용을 절감시켜 경제성을 향상시킨 호기성 유동상식 폐수처리를 장치를 이용한 하,페수 처리와 질소, 인 동시 제거장치에 관한 것으로서 폭기조(1)와 유동층 반응기(3)를 수직타워 형태로 설치하고 유동층 반응기(3)의 월류웨어(10)를 통해 청정수유출구(11)와 슬러지 배출구(12)가 형성된 침전조(13)로 유입되게 구성시키고, 원수펌프(4)에 의해 원수(2)를 폭기조(1)로 유입시키고 폭기조(4)의 하단 일측에 공기공급장치(5)를 산소를 공급시키며 폭기조(1)와 유동층 반응기(3)의 하단에서 순환펌프(6)과 콘트롤 밸브(7)에 의해 연동시키되 반송관로(8)로 잉여수를 폭기조(1)로 보내며 유동층 반응기(3) 상부의 순환수유입구(9)로 순환수를 폭기주(1)로 순환시킨다.In the present invention, in order to simultaneously remove nitrogen and phosphorus components together with organic matter in anaerobic effluent, the aeration tank maintains the flow direction of the waste water and the flow direction of bubbles in the reverse direction to maintain the oxygen transfer rate to the maximum, and the land area per unit volume. The aerobic fluidized bed wastewater treatment system, which minimizes the cost and reduces the operating cost, improves economic efficiency by treating the wastewater, wastewater and nitrogen and phosphorus simultaneously. The aeration tank 1 and the fluidized bed reactor 3 are installed in the form of a vertical tower. And into the sedimentation tank 13 in which the clean water outlet 11 and the sludge outlet 12 are formed through the upstream wear 10 of the fluidized bed reactor 3, and the raw water 2 is aerated by the raw water pump 4. (1) and the oxygen supply air supply (5) to the lower end side of the aeration tank (4) and to the circulation pump (6) and the control valve (7) at the lower end of the aeration tank (1) and fluidized bed reactor (3) due to Then copper sikidoe circulation in the conveying pipe (8), the excess number of the aeration tank (1) a fluidized bed reactor (3) cyclic-feeding inlet (9) Note (1) aerating the water circulation in the upper portion to send to.
Description
제1도는 본 발명의 전체공정을 도시한 구조개념도.1 is a structural conceptual diagram showing the overall process of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 폭기조 2 : 원수1: aeration tank 2: enemies
3 : 유동층 반응기 4 : 원수 펌프3: fluidized bed reactor 4: raw water pump
5 : 공기 공급장치 6 : 순환펌프5: air supply device 6: circulation pump
7 : 콘트롤 밸브 8 : 반공관로7: control valve 8: half-pipe
9 : 순환 수유 입구 10 : 월류웨어9: circulation feeding inlet 10: overflowware
11 : 청천수유출구 12 : 슬러지 배출구11: Cheongcheon water outlet 12: sludge outlet
13 : 침전조13: sedimentation tank
본 발명은 혐기성 유출수중의 유기물과 함께 질소와 인 성분을 동시에 제거하기 위하여 폭기조는 폐수의 흐름방향과 기포의 흐름방향을 상호역으로 유지시켜 산소 전달율을 최대로 유지시키고, 단위용적당 부지면적을 최소화시키고 운전비용을 절감시켜 경제성을 향상시킨 호기성 유동상식 폐수처리 장치를 이용한 하,폐수 처리와 질소, 인 동시 제거장치에 관한 것이다.In the present invention, in order to simultaneously remove nitrogen and phosphorus components together with organic matter in anaerobic effluent, the aeration tank maintains the flow direction of the waste water and the flow direction of bubbles in the reverse direction to maintain the oxygen transfer rate to the maximum, and the land area per unit volume. The present invention relates to sewage and wastewater treatment and simultaneous removal of nitrogen and phosphorus by using aerobic fluidized bed wastewater treatment system which minimizes and reduces operating costs.
종래의 폐수처리 장치들은 폐수 중에 주요 오염물인 유기물 제거에 역점을 두고 개발된 장치에서 부영양화의 주범으로 알려진 폐수중의 질소와 인을 제거하지 못하는 문제점이 있었다.Conventional wastewater treatment devices have a problem in that nitrogen and phosphorus in the wastewater, which is known to be the main culprit of eutrophication, has been developed in an apparatus developed with an emphasis on the removal of organic substances, which are major contaminants in the wastewater.
따라서 본 발명은 상기한 종래의 문제점 즉 질소와 인을 동시에 제거하면서 폐수중의 유기물을 제거하기 위하여 폐수의 호기조건과 무산소 또는 혐기조건을 교대로 순환시켜 산소 전달효율을 증대시키고 각 반응조를 수직형태로 설계하여 부지면적을 최소화하므로 경제성과 폐수처리 효율을 증대시킨 폐수처리장치를 창출한 것이다.Therefore, the present invention improves the oxygen transfer efficiency by circulating the aerobic and anaerobic or anaerobic conditions of the wastewater in order to remove the organic matter in the wastewater while simultaneously removing the nitrogen and phosphorus at the same time to increase the oxygen transfer efficiency and each reactor in the vertical form By minimizing the land area by designing the furnace, the waste water treatment system has been created to increase the economic efficiency and the efficiency of wastewater treatment.
이하 발명의 요지를 첨부된 도면에 연계시켜 그 구성과 작용효과를 상세히 설명하면 다음과 같다.Hereinafter, the configuration and the effect of the present invention will be described in detail with reference to the accompanying drawings.
제1도는 본 발명의 전체공정을 설명하기 위하여 전체구조의 개통도이다.1 is an opening diagram of the entire structure in order to explain the whole process of the present invention.
폭기조(1)와 유동층 반응기(3)를 수직타워 형태로 설치하고 유동층 반응기(3)의 월류웨어(10)를 통해 청정수유출구(11)와 슬러지 배출구(12)가 형성된 침전조(13)로 유입되게 구성시키고, 원수펌프(4)에 의해 원수(2)를 폭기조(1)로 유입시키고 폭기주(1)의 하단 일측에 공기공급장치(5)로 산소를 공급시키며 폭기조(1)와 유동층 반응기(3)의 하단에서 순환펌프(6)와 콘트롤 밸브(7)에 의해 연통시키되 반송관로(8)로 잉여수를 폭기조(1)로 보내며 유동층 반응기(3) 상부의 순환수유입구(9)로 순환수를 폭기조(1)로 순환시키는 것이다.The aeration tank 1 and the fluidized bed reactor 3 are installed in the form of a vertical tower and are introduced into the settling tank 13 in which the clean water outlet 11 and the sludge outlet 12 are formed through the overflowware 10 of the fluidized bed reactor 3. The raw water 2 is introduced into the aeration tank 1 by the raw water pump 4, and oxygen is supplied to the air supply device 5 at the lower end side of the aeration tank 1, and the aeration tank 1 and the fluidized bed reactor ( 3) is communicated by the circulation pump (6) and the control valve (7) at the lower end of the return pipe (8) to send the surplus water to the aeration tank (1) and circulated to the circulating water inlet (9) above the fluidized bed reactor (3) The water is circulated to the aeration tank 1.
미설명부호(14)는 유동층의 담체, (15)는 공기유량체, (16)은 유량계이다.Reference numeral 14 denotes a carrier of the fluidized bed, 15 an air flow body, and 16 a flowmeter.
이와같이 본 발명은 유기물 및 질소, 인이 포함된 혐기성 반응조의 유출수 및 원수(2)를 원수펌프(4)를 작동시켜 폭기조(1)의 상부로 유입시키고, 원수(2)가 함께 유동층 반응기(3)의 미생물이 부착된 유동층의 담체(14)를 지나 상부에서 순환수 유입구(9)로 순환되어 오는 순환수 그리고 순환펌프(6)를 지나 코트롤 밸브(7)에서 조정후 잉여수를 반송관로(8)를 통해 함께 혼합되어 진다.As described above, the present invention operates the raw water pump 4 to flow out the effluent and the raw water 2 of the anaerobic reaction tank containing organic matter, nitrogen, and phosphorus to the upper portion of the aeration tank 1, and the raw water 2 together with the fluidized bed reactor 3. After passing through the carrier 14 of the fluidized bed to which the microorganism is attached, the circulating water circulated from the upper portion to the circulating water inlet 9 and the circulating pump 6 are passed through the circulating valve 7 to adjust the surplus water after the adjustment. 8) are mixed together.
폭기소(1)의 상부에서 상기와 같이 혼합된 폐수는 하단의 순환펌프(6)의 작동으로 폭기조(1) 내에서 직하부 방향으로 흐름을 유지하게 된다.The wastewater mixed as described above in the upper part of the aeration gas 1 maintains the flow in the abutment direction in the aeration tank 1 by the operation of the lower circulation pump 6.
이때 폭기조(1)의 하단에 설치된 공기공급장치(5)는 공기의 유량을 확인할 수 있는 공기유량계(15)를 거쳐 폭기조(1)의 하단으로 공기를 공급한다.In this case, the air supply device 5 installed at the lower end of the aeration tank 1 supplies air to the lower end of the aeration tank 1 via an air flow meter 15 capable of confirming the flow rate of the air.
이와같이 공급된 공기는 자체 부력으로 폭기조(1)내에서 상부의 수면으로 직상승하게 되는데 이때 폭기조(1)내에서 직하부 방향으로 흐름을 유지하는 폐수와의 상호간섭으로 인하여 기포의 체류시간이 길어지게 되고 따라서 산소의 전달효율도 증대시킬 수 있게 되며 순환펌프(6)를 지나 콘트롤밸브(7)에서 조정후 잉여수도 방송관로(8)로 지속적인 반송을 통해 폐수내로 산소 용존율을 증대시키게 된다.The air supplied in this way rises directly to the upper surface of the aeration tank 1 with its own buoyancy. At this time, the residence time of the bubbles is long due to mutual interference with the wastewater that maintains the flow in the abutment direction in the aeration tank 1. Therefore, it is possible to increase the oxygen transfer efficiency, and after adjusting the control valve 7 through the circulation pump 6 to increase the oxygen dissolution rate into the waste water through the continuous return to the surplus water broadcasting channel (8).
상기의 공정을 거쳐 산소가 충분히 용존된 폐수는 유량계(16)를 통해 유동층 반응기(3)의 하부를 거쳐 동반응기(3)의 상부로 흐르게 됨과 동시에 유동층 내에 있는 미생물이 부착된 담체(14)의 표면을 거치면서 폐수중의 오염물질을 제거하게 된다.The waste water in which oxygen is sufficiently dissolved through the above process flows through the flow meter 16 through the lower part of the fluidized bed reactor 3 to the upper part of the copper reactor 3 and at the same time, the microorganisms in the fluidized bed are attached to the carrier 14. The surface removes contaminants from the wastewater.
이때 유동층 하부로 유입된 폐수는 초기에는 용존산소가 풍부하지만 상부로 상승할수록 미생물의 신진대사 작용으로 인하여 용존산소가 소비되어 결국에는 무산소 형태로 존재하게 된다.At this time, the wastewater introduced into the bottom of the fluidized bed is initially rich in dissolved oxygen, but as it rises upwards, dissolved oxygen is consumed due to the metabolism of microorganisms and eventually exists in anoxic form.
상기와 같이 무산소 상태로 유동층 반응기(3)의 상부로 상승하게된 폐수의 대부분은 순환수 유입구(9)를 따라 재차 폭기조(1)로 순환되어 용존산소를 공급받게 되며 폐수중의 질소성분이 질소가스 형태로 대기중으로 배출시킨다.As described above, most of the wastewater raised to the upper portion of the fluidized bed reactor 3 in the anoxic state is circulated again to the aeration tank 1 along the circulating water inlet 9 to receive dissolved oxygen and nitrogen in the wastewater is nitrogen. Emissions to the atmosphere in gaseous form.
전기한 공정에서와 같이 유입된 폐수가 용존산소가 풍부한 호기성 조건과 용존산소가 없는 무산소 또는 혐기성 조건을 교대로 반복하게 되므로 인하여 폐수중에 포함된 오염물질과 함께 질소성분이 제거되는 것이다.As in the above process, the introduced wastewater alternately repeats aerobic conditions rich in dissolved oxygen and anoxic or anaerobic conditions without dissolved oxygen, thereby removing nitrogen components together with contaminants contained in the wastewater.
유동층의 담체(14)에 부착된 미생물은 일정한 시간이 경과함에 따라 탈리되게 되는데 이때 탈리된 미생물이 초기에는 비중이 무거워 월류웨어(10)의 작용으로 폐수의 순환에 따라 폭기조(1)와 유동층을 순환하게 되며 미생물은 다량의 인을 체내에 축적시킨다.The microorganisms attached to the carrier 14 of the fluidized bed are desorbed with a certain time elapsed. At this time, the desorbed microorganisms are initially heavy, so that the aeration tank 10 and the fluidized bed are formed in accordance with the circulation of the wastewater. The microorganisms accumulate large amounts of phosphorus in the body.
상기의 탈리된 미생물은 시간이 경과함에 따라 비중이 가벼워져서 결국 월류웨어(10)를 지나 침전조(13)로 흘러 들어가게 되며 침전조(13)에서 농축된 잉여 슬러지를 배출구(12)로 배출시킴으로 과잉의 인을 동시에 제거할 수 있는 것이다.The desorbed microorganisms are lighter in weight as time passes and eventually flows into the sedimentation tank 13 through the overflowware 10 and discharges the excess sludge concentrated in the sedimentation tank 13 to the outlet 12. Phosphorus can be removed at the same time.
그리고 상기 공정을 거쳐 폐수중에 포함된 오염물질인 유기물과 질소성분 및 인성분이 제거된 청청수는 침전조(13)의 상부를 거쳐 청정수유출구(11)로 배출시켜 수계에 방류하게 되는 것이다.In addition, the blue and green water, in which the organic matter, nitrogen, and phosphorus, which are contaminants contained in the wastewater, are removed through the above process, are discharged to the clean water outlet 11 through the top of the settling tank 13 and discharged into the water system.
그러므로 본 발명은 혐기성 유출수중의 유기물과 함께 질소, 인성분을 동시에 제거할 수 있을 뿐만 아니라 각 반응조를 수직 타워 형태로 설계되어 단위용적당 부지면적을 최소화할 수 있고 장치의 운정비용이 절감되어 경제성이 우수한 효과가 있는 것이다.Therefore, the present invention can not only remove nitrogen and phosphorus components simultaneously with organic matter in anaerobic effluent, but also design each reactor in the form of vertical tower to minimize the land area per unit volume and reduce the operation cost of the device. This is an excellent effect.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950039235A KR0156438B1 (en) | 1995-11-01 | 1995-11-01 | Simultaneous removal of wastewater and nitrogen and phosphorus using aerobic fluidized bed wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950039235A KR0156438B1 (en) | 1995-11-01 | 1995-11-01 | Simultaneous removal of wastewater and nitrogen and phosphorus using aerobic fluidized bed wastewater treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970026947A KR970026947A (en) | 1997-06-24 |
| KR0156438B1 true KR0156438B1 (en) | 1998-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950039235A Expired - Fee Related KR0156438B1 (en) | 1995-11-01 | 1995-11-01 | Simultaneous removal of wastewater and nitrogen and phosphorus using aerobic fluidized bed wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0156438B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523635A (en) * | 2016-01-28 | 2016-04-27 | 西安建筑科技大学 | Integrated biological contact device |
-
1995
- 1995-11-01 KR KR1019950039235A patent/KR0156438B1/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523635A (en) * | 2016-01-28 | 2016-04-27 | 西安建筑科技大学 | Integrated biological contact device |
| CN105523635B (en) * | 2016-01-28 | 2017-12-26 | 西安建筑科技大学 | A kind of integrated biological device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR970026947A (en) | 1997-06-24 |
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