KR19980019529A - Wastewater treating method without medicine or sludge - Google Patents
Wastewater treating method without medicine or sludge Download PDFInfo
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- KR19980019529A KR19980019529A KR1019980010389A KR19980010389A KR19980019529A KR 19980019529 A KR19980019529 A KR 19980019529A KR 1019980010389 A KR1019980010389 A KR 1019980010389A KR 19980010389 A KR19980010389 A KR 19980010389A KR 19980019529 A KR19980019529 A KR 19980019529A
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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
- C02F3/06—Aerobic processes using submerged filters
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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
- C02F3/10—Packings; Fillings; Grids
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- 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
Abstract
(1) 청구범위에 기재된 발명이 속한 기술분야(1) the technical field to which the invention as claimed
본 발명은 약품의 사용없이 각종 오, 폐수를 정화하되 슬러지가 없도록 한 무약품 무슬러지 폐수처리방법에 관한 것임.The present invention relates to a chemical-free sludge wastewater treatment method for the purification of various wastewater, without the use of chemicals so that there is no sludge.
(2) 발명이 해결하고자 하는 기술적 과제(2) The technical problem to be solved by the invention
종래의 경우 약품을 사용하여 오, 폐수를 정화하였는데 이 경우 슬러지가 발생되고 이 슬러지를 처리하기 위한 설비와 설치면적이 많이 필요한 문제를 해결하고자 함.In the conventional case, the wastewater was purified using chemicals. In this case, sludge is generated, and a solution and a lot of installation area for treating the sludge are needed.
(3) 발명의 해결 방법의 요지(3) Summary of solution of invention
본 발명은 회전원판용 접촉재 또는 고정상용 접촉재가 구비된 폭기조를 다수 개로 나누어 폐수의 유입과 배출을 조정함으로써 오니를 활성화시키고 또 오니가 자기소화되도록 함으로써 약품을 사용하지 않고도 각종 오, 폐수를 정화하고 슬러지를 제거한 것이 요지임.The present invention divides the aeration tank provided with the contact material for the rotating disk or the contactor for the stationary bed into a plurality of parts to activate the sludge by adjusting the inflow and outflow of the wastewater and to purify the various wastewater and wastewater without using chemicals by allowing the sludge to self-extinguish And sludge removed.
(4) 발명의 중요한 용도(4) Important uses of the invention
각종 오, 폐수를 정화하면서 슬러지가 제거되도록 하는 용도임.It is used to remove sludge while purifying various wastewater and wastewater.
Description
본 발명은 각종 오, 폐수를 정화하는 폐수처리방법에 관한 것이며, 더욱 상세하게는 회전원판용 접촉재 또는 고정상용 접촉재가 구비된 폭기조를 다수 개로 나누어 폐수의 유입과 배출을 조정함으로써 오니의 활성화와 미생물세포의 분해, 재합성 등 미생물의 자기소화(산화)로 약품의 사용없이도 오, 폐수를 정화하면서 슬러지가 제거되도록 한 것에 관한 것이다.The present invention relates to a wastewater treatment method for purifying various wastewater and wastewater, and more particularly, by dividing into a plurality of aeration tanks provided with a rotating disc contact material or a stationary bed contact material, and adjusting the inflow and discharge of the wastewater, The present invention relates to the removal of sludge while purifying wastewater and wastewater without the use of drugs by the self-extinguishing (oxidation) of microorganisms such as decomposition and resynthesis of microbial cells.
각종 오, 폐수를 처리하는 방법과 장치에 관한 선행기술은 수없이 많으나, 폐수 속에 용존되어 있는 유기물을 처리하는 방법으로 가장 경제적이고 효과적인 방법은 미생물을 이용하는 생물학적 처리법(Biological Treatment)으로 알려져 있다.Although there are numerous prior arts related to various kinds of wastewater and wastewater treatment methods, the most economical and effective method of treating organic matter dissolved in wastewater is known as biological treatment using microorganisms.
그러나, 이들 선행기술은 공히 오, 폐수를 정화하기 위하여 약품을 사용하고 폐수처리과정에서 슬러지가 발생되어 별도의 슬러지처리장치를 구비하여야 한다.However, these prior arts use chemicals to purify the wastewater, and sludge is generated during the wastewater treatment, so that a separate sludge treatment apparatus must be provided.
이상과 같은 모든 폐수처리장치와 방법에 있어서는 정상적인 처리온도가 20℃이상 30℃이하로 유지되어야 하므로 수온에 의해 큰 영향을 받고, 부하 변동이 클 경우 슬러지가 안정되지 못하므로 처리수 중 현탁 현상이 발생되는 문제와 약품 사용과 별도의 슬러지처리장치 구비, 슬러지처리장치의 설치면적이 방대한 등의 요인에 의하여 경제적 부담을 가중시키는 단점이 있었다.In all the wastewater treatment devices and methods described above, since the normal treatment temperature should be maintained at 20 ° C or higher and 30 ° C or lower, it is greatly influenced by the water temperature. Problems and the use of chemicals and the separate sludge treatment apparatus, the installation area of the sludge treatment apparatus had a disadvantage that adds to the economic burden due to the factors.
또한 생물학적 처리로 인해 생기는 부산물인 잉여 슬러지는 현재 여러 나라에서 시험적으로 퇴비, 동물의 사료 등에 이용되고 있지만 그 발생량이 막대해서 현재의 활용으로는 그 처리가 턱없이 부족한 실정이며, 고가의 처리비용과 더불어 매립시에도 매립장의 부지난을 가속화시키고 있는 문제점이 있다.In addition, surplus sludge, which is a by-product of biological treatment, is currently used in many countries as a test compost or animal feed. However, the amount of the production is huge, which is insufficient for current use. In addition, there is a problem that accelerates the land shortage of the landfill.
본 발명은 상기한 문제점을 해결하여 각종 오, 폐수처리시 약품을 사용하지 않고도 정화 효율을 더 높이는 한편 슬러지를 제거하여 경제적인 이익을 도모하는 데 소기의 목적하는 바가 있다.The present invention is intended to solve the above problems and to increase the purification efficiency without the use of chemicals in various wastewater treatment, while removing sludge to achieve economic benefits.
도 1은 본 발명의 실시예를 보인 폐수처리 공정도1 is a wastewater treatment process showing an embodiment of the present invention
도 2는 본 발명의 또 다른 실시예를 보인 폐수처리 공정도이다.2 is a wastewater treatment process diagram showing another embodiment of the present invention.
* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
1 : 원수조, 2 : 침사조, 3 : 유량조정조, 4 : 계량조, 5, 5a,6, 6a : 제일폭기조, 7 : 제이폭기조, 8 : 침전조, 9 : 소독조DESCRIPTION OF SYMBOLS 1 Source tank, 2 Settlement tank, 3 Flow rate adjustment tank, 4 Weighing tank, 5, 5a, 6, 6a: 1st aeration tank, 7 A. aeration tank, 8 Precipitation tank, 9 Disinfection tank
본 발명은 일반적인 오, 폐수처리방법과 장치에 있어서 폭기조를 다수 개로 나누어 폐수의 유입과 배출을 조정함으로써 오니의 활성화와 자기소화를 약품의 사용없이 정화 효율을 높이고 폐슬러지를 자동적으로 제거하는 수단을 강구하였다.The present invention provides a means for improving the efficiency of sludge activation and self-extinguishing without the use of chemicals and automatically removing waste sludge by adjusting the inflow and discharge of wastewater by dividing the aeration tank into a plurality of wastewater treatment methods and apparatus in general. I took a look.
본 발명의 무약품, 무슬러지 폐수처리방법에 관한 바람직한 실시예를 이하, 부수되는 도면과 관련하여 상세히 설명하면 다음과 같다.Preferred embodiments of the drug-free, sludge-free wastewater treatment method of the present invention will be described below in detail with reference to the accompanying drawings.
스크린이 구비된 원수조(1)의 일측에 침사조(2)와 유량조정조(3)를 각각 설치하고 유량조정조(3)는 계량조(4)와 연결시키는 한편 계량조(4)의 일측에는 하나의 조를 구획하여 회전원판용 접촉재를 구비한 제일폭기조(5)(6)를 설치하되 각각의 제일폭기조(5)(6)에 각종 오, 폐수의 유입과 배출을 조정할 수 있는 밸브를 각 배관에 구비시키며, 제일폭기조(5)(6)의 일측에는 제이폭기조(7)를 설치하고 그 일측으로는 침전조(8)와 소독조(9)를 형성하여 유입되는 취수를 정화하고 폐슬러지를 자동적으로 제거하는 방법이다.A sedimentation tank 2 and a flow rate adjusting tank 3 are respectively installed on one side of the raw water tank 1 with a screen, and the flow rate adjusting tank 3 is connected to the weighing tank 4 while on one side of the weighing tank 4. The first aeration tanks (5) and (6) provided with a contact member for rotating discs are partitioned by partitioning one tank, and each of the first aeration tanks (5) and (6) has valves for adjusting the inflow and discharge of various wastewater and wastewater. It is provided in each pipe, one side of the first aeration tank (5) (6) is provided with a second aeration tank (7) and on one side of the sedimentation tank (8) and disinfection tank (9) to clean the incoming water intake and waste sludge It is a way to remove it automatically.
본 발명의 또 다른 실시예로서는 도 2에서 보는 바와 같이 고정상용 접촉재를 구비하는 제일폭기조(5a)(6a)로 유입되는 각종 오, 폐수를 약품처리를 하지 않고도 정화하는 한편 폐슬러지를 제거할 수 있다.As another embodiment of the present invention, as shown in FIG. 2, various sludges and wastewater flowing into the first aeration tanks 5a and 6a provided with the stationary bed contact material can be purified without chemical treatment and waste sludge can be removed. have.
이와 같은 방법을 좀더 구체적으로 설명하면, 취수로에서 유입되는 부유물을 원수조(1)의 스크린에서 제거하여 오수펌프로 침사조(2)에 보내어 침사조(2)에서 오수(원수)에 포함된 무기물(토사 등)을 침전시킨 다음 유량조정조(3)와 계량조(4)로 유량을 조정하면서 공기를 공급하여 BOD를 10% 제거하여 제일폭기조(생물처리조)(5)(6)로 보낸다.In more detail, this method removes the suspended solids flowing from the intake channel from the screen of the raw water tank 1 and sends the sewage pump to the sedimentation tank 2 to include the sewage (raw water) in the sedimentation tank 2. After settling inorganic matter (soil, etc.), air is supplied while adjusting the flow rate through the flow adjusting tank (3) and the measuring tank (4), and 10% of BOD is removed and sent to the first aeration tank (biological treatment tank) (5) (6). .
하나의 조를 두 개로 나눈 제일폭기조(5)(6)에 교대로 오수를 투입하여 내설된 회전원판용 접촉재로 미생물을 번식시켜 유기물을 분해한다. 즉, 제일폭기조(유입조)(5)의 미생물 증식이 한도에 달하면 통수는 밸브에 의해 자동적으로 정지되고 다른 한쪽의 제일폭기조(6)로 오수를 유입시킨다. 통수를 정지시킨 제일폭기조(5) 내에는 미생물 간의 자치소화로 폐슬러지를 자동적으로 제거하게 되며, 이러한 통수전환은 2-3주간마다 계속 반복한다.Sewage is alternately introduced into the first aeration tank (5) (6), which is divided into two tanks, and microorganisms are propagated by the contact material for rotating discs to decompose organic matter. That is, when the growth of microorganisms in the first aeration tank (inflow tank) 5 reaches a limit, the water flow is automatically stopped by a valve, and the sewage flows into the first aeration tank 6 on the other side. In the first aeration tank 5, which stops water flow, the waste sludge is automatically removed by autonomous digestion between microorganisms, and this water conversion is repeated every 2-3 weeks.
제일폭기조(5)(6)에서 소화되지 않았던 유기물을 제이폭기조(7)에서 분해한 다음 침전조(8)에서 침전분리된 미생물을 처리수와 분리, 침전오니는 유량조정조(3)로 반송하고 정화된 물은 소독조(9)를 통하여 방류하는 방법이다.The organic matter which was not digested in the first aeration tank (5) (6) was decomposed in the second aeration tank (7), and the microorganisms separated and separated in the settling tank (8) were separated from the treated water and returned to the flow control tank (3) where the sedimentation tank was settled and purified. The discharged water is discharged through the disinfection tank 9.
상기한 방법을 요약하면, 잉여 슬러지를 미생물처리의 내생성장단계(Endogenous Growth Phase) 과정에서 미생물끼리의 자기산화 반응을 이용해서 제거하는 것이다. 이러한 내생성장단계는 미생물의 신진대사율이 급속히 감소하고 미생물이 자기원형질을 분해시켜 에너지를 얻으므로 미생물의 수 또한 급속히 감소한다.To summarize the above method, the excess sludge is removed by the self-oxidation reaction of the microorganisms in the endogenous growth phase of the microbial treatment. In this endogenous growth stage, the metabolic rate of microorganisms is rapidly reduced and the number of microorganisms is also rapidly reduced because microorganisms decompose their own primates to obtain energy.
이러한 원리를 이용하여 폐수처리 시설 중에 접촉여재를 만들고 이 접촉여재에 다량의 미생물을 부착시킨 상태에서 폐수의 공급을 중지하면 미생물세포의 분해, 재합성 등 미생물의 자기산화가 일어나 결국 탄산가스와 물로 분해되어 없어지므로 약품을 사용하지 않고도 각종 오, 폐수를 정화하는 한편 폐슬러지를 제거하게 되는 것이다.Using this principle, if the contact media is made in the wastewater treatment facility and the supply of the wastewater is stopped while a large amount of microorganisms are attached to the contact media, the microorganisms are decomposed and re-synthesized. Since it is decomposed and eliminated, various sludges and wastewater are purified without the use of chemicals, and waste sludge is removed.
위와 같은 본 발명은 약품을 사용하지 않고 잉여오니 발생이 없으므로 슬러지처리설비 등에 따른 비용을 절감하여 경제적인 이익을 얻을 수 있는 한편 오, 폐수 정화효율이 우수한 효과가 있다.The present invention as described above does not use any chemicals, there is no excess sludge, so that the economic benefits can be obtained by reducing the cost according to the sludge treatment equipment, etc., while the waste water purification efficiency is excellent.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019980010389A KR100265060B1 (en) | 1998-03-21 | 1998-03-21 | Waste water treatment method using alternating operation of aeration tank for minimizing sludge |
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| KR1019980010389A KR100265060B1 (en) | 1998-03-21 | 1998-03-21 | Waste water treatment method using alternating operation of aeration tank for minimizing sludge |
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| KR100316688B1 (en) * | 1999-07-30 | 2001-12-20 | 조 정 래 | A waste water disposal apparatus |
| KR100775608B1 (en) | 2006-10-31 | 2007-11-13 | 주식회사 청우네이처 | Processing methode and apparatus for waste water using of sludge drawing and rotating disc |
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