WO2009151190A1 - Installation combinée d'élimination des eaux usées organiques utilisant un microorganisme efficace - Google Patents

Installation combinée d'élimination des eaux usées organiques utilisant un microorganisme efficace Download PDF

Info

Publication number
WO2009151190A1
WO2009151190A1 PCT/KR2008/006992 KR2008006992W WO2009151190A1 WO 2009151190 A1 WO2009151190 A1 WO 2009151190A1 KR 2008006992 W KR2008006992 W KR 2008006992W WO 2009151190 A1 WO2009151190 A1 WO 2009151190A1
Authority
WO
WIPO (PCT)
Prior art keywords
waste water
organic waste
inner cylinder
tank
microbes
Prior art date
Application number
PCT/KR2008/006992
Other languages
English (en)
Inventor
Hyung Jong Kim
Original Assignee
Hyung Jong Kim
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hyung Jong Kim filed Critical Hyung Jong Kim
Publication of WO2009151190A1 publication Critical patent/WO2009151190A1/fr

Links

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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/301—Aerobic and anaerobic treatment in the same reactor
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
    • 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
    • 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
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • 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
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • 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
    • C02F2209/22—O2
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens

Definitions

  • the present invention relates to an organic waste water treatment system and, more particularly, to a combined organic waste water treatment system which can efficiently degrade and treat organic waste water such as livestock waste water by combining organic waste water unit treating tanks with each other, each of which includes two separated spaces, one of which is charged with aerobic microbes and the other of which is charged with facultative anaerobic microbes and anaerobic microbes.
  • Waste water which flows into rivers and seas without undergoing a suitable treating process, is a main factor in the water pollution, and includes various organic substances, heavy metals and harmful chemicals.
  • organic substances included in food waste or excreta in large quantities flow into rivers and seas together with living sewage, livestock waste water or factory waste water discharged from a food processing factory.
  • These organic substances incur eutrophication and thus extremely decrease dissolved oxygen (DO) , so that underwater creatures die en masse, thereby seriously damaging a water ecosystem.
  • DO dissolved oxygen
  • the water standards and treatment method of the livestock waste water discharged from livestock facilities having a grade of an average level or more are being regulated by r Law for management and use of livestock excretaj , r Law for conservation of water quality and a water ecosystemj , and the like.
  • r Law for management and use of livestock excretaj r Law for conservation of water quality and a water ecosystemj , and the like.
  • the ratio of swine to livestock is no more than 31%, and the ratio of cattle to livestock is no more than 7%, and thus, most of the livestock facilities are actually excluded from the regulatory scope.
  • small- scale sewage water treatment facilities and small-scale livestock waste water treatment facilities which can jointly treat living sewage water and livestock waste water with a village as one unit, has been promoted as a simple sewage and livestock waste water treatment enterprise.
  • a storage solution process is chiefly used in the joint livestock waste water treatment facilities in a ratio of half or more.
  • an Imhoff process, an oxidation pond process and an extended aeration process are used in the joint livestock waste water treatment facilities.
  • the water to be treated is treated such that its biological oxygen demand (BOD) is about 1,500 mg/ i , and is sent to a municipal or provincial sewage disposal plant, and then completely treated.
  • BOD biological oxygen demand
  • this method is not greatly useful in the treatment of livestock waste water because of the problem of being not economically efficient due to being treated twice and the non-spread of sanitary sewers .
  • the basic principle of this method is only that highly-concentrated livestock waste water is diluted and then treated, it can be evaluated that this method is not greatly useful in preventing water pollution. Even in terms of the current state of the treatment of livestock waste water in foreign countries, livestock waste water is mostly treated by diluting the livestock waste water and then sending it to a sewage disposal plant.
  • Korean Unexamined Patent Application Publication No. 2004-0016122 discloses a high- concentration organic waste water disposal plant using microbes .
  • the high-concentration organic waste water disposal plant using microbes includes a storage tank for storing waste water, a flow equalization tank for controlling the flow rate of the waste water, a three-stage screen tank for removing dregs from the influent waste water, and a medium tank for degrading the waste water from which dregs are removed by the screen tank using microbes.
  • FIG. 1 is a side sectional view showing the medium tank. The waste water flowing into the medium tank slowly moves from the bottom of the medium tank to the top thereof, and thus the organic matter included in the waste water is degraded by microbes adhering to and growing on media.
  • the high-concentration organic waste water disposal plant disclosed in Korean Unexamined Patent Application Publication No. 2004-0016122 is improved in that organic waste water is treated using microbes compared to a conventional dilution-type organic waste water disposal plant, but is problematic in that main factors influencing a microbial reaction, for example organic matter concentration, dissolved oxygen (DO) , temperature, hydrogen ion concentration (pH) and the like, cannot be efficiently controlled, and thus the removal ability of organic matter cannot be improved.
  • main factors influencing a microbial reaction for example organic matter concentration, dissolved oxygen (DO) , temperature, hydrogen ion concentration (pH) and the like, cannot be efficiently controlled, and thus the removal ability of organic matter cannot be improved.
  • DO dissolved oxygen
  • pH hydrogen ion concentration
  • the high-concentration organic waste water disposal plant is problematic in that, since aerobic microbes and anaerobic microbes are different from each other in the environmental conditions in which they are most active, it is impossible to separately control their respective environmental conditions.
  • the high- concentration organic waste water disposal plant is problematic in that, although aerobic microbes and anaerobic microbes are different from each other in the degradation rate of organic waste water, it has no consideration for such characteristics, and thus the degradation ability of microbes cannot be used to the highest degree.
  • the high-concentration organic waste water disposal plant is problematic in that it cannot be easily maintained and repaired because it is configured to be buried in the ground, and in that it is not easy to properly control the treatment capacity of organic waste water in response to the discharge amount of organic waste water .
  • the present invention has been made in order to solve the above problems occurring in the conventional organic waste water disposal system, and an object of the present invention is to provide a realistic and practical organic waste water treatment system. Another object of the present invention is to provide an organic waste water treatment system which can be very easily maintained and repaired by combining compact unit treating tanks with each other and thus installing the organic waste water treatment system on the ground, and which can easily change the treatment capacity of organic waste water only by adjusting the number of the unit treating tanks in response to the discharge amount and contamination concentration of the organic waste water.
  • a further object of the present invention is to provide a septic tank for purifying organic waste water, which includes unit treating tanks, each of which is simultaneously charged with aerobic microbes, facultative anaerobic microbes and anaerobic microbes, which can provide optimal environmental conditions to the respective microbes, and which can be used as an anoxic tank in which a denitrification reaction is conducted without changing the unit treating tanks .
  • Yet another object of the present invention is to provide an organic waste water treatment system which can be more easily installed and moved by minimizing the restrictions at the time of the installation and movement thereof, considering that a conventional septic tank or organic waste water treatment system must be buried in the ground or it is very difficult to change its installation place, for example, in order to change the installation position of the buried septic tank or organic waste water treatment system, high personnel and financial costs are required, and the procedure thereof is also complicated.
  • a combined organic waste water treatment system of the present invention is configured as follows.
  • the combined organic waste water treatment system includes one or more organic waste water unit treating tanks, and, basically, the combined organic waste water treatment system treats livestock waste water discharged from a livestock barn through sedimentation or solid-liquid separation.
  • the organic waste water unit treating tank includes an outer cylinder provided in the upper portion thereof with an inlet pipe for introducing organic waste water and an outlet pipe for discharging the introduced organic waste water to the outside; an inner cylinder concentrically provided in the outer cylinder so as to be connected with the inlet pipe and partially opened at a lowermost portion; and an air supply pipe which is provided in an annular space defined between the inner cylinder and the outer cylinder, and an end of which is located right under the surface of the organic waste water.
  • the inner cylinder serves as an aerobic tank charged with aerobic microbes
  • the annular space defined between the inner cylinder and the outer cylinder serves as an anaerobic tank charged with facultative anaerobic microbes and anaerobic microbes.
  • the volume of an anaerobic tank be larger than that of an aerobic tank. That is, it is preferred that the volume of the inner cylinder be about 1/3 of that of the outer cylinder in order to increase the number of facultative anaerobic microbes and anaerobic microbes .
  • the above-configured organic waste water unit treating tank may be independently used, but a combined organic waste water treatment system in which several organic waste water unit treating tanks are combined with each other may be used, thus improving the efficiency thereof. That is, according to the present invention, a more efficient combined organic waste water treatment system can be configured by combining the organic waste water unit treating tanks.
  • the combined organic waste water treatment system is characterized in that main environmental factors of microbes can be controlled in order to sufficiently use the activity of microbes.
  • the combined organic waste water treatment system includes sensors for respectively measuring suspended solids (SS) , biochemical oxygen demand
  • the signals output from the sensors are input to a control unit.
  • the control unit serves to control the flow rate of the organic waste water and the amount of the microbes such that the respective contamination factors measured by the sensors are present in the range in which microbes can efficiently treat the organic waste water.
  • the suspended solid (SS) and biochemical oxygen demand (BOD) are controlled by adding final discharged waste water or dilution water
  • the dissolved oxygen (DO) is controlled by adjusting the aeration time or aeration amount of an aerator
  • the temperature is controlled by a heater provided in the annular space between the outer cylinder and inner cylinder
  • the hydrogen ion concentration (pH) is controlled by adding a buffer solution or adjusting the aeration time or aeration amount of the aerator.
  • This combined organic waste water treatment system may include a first organic waste water unit treating tank including an outer cylinder provided in the upper portion thereof with an inlet pipe for introducing organic waste water and an outlet pipe for discharging the introduced organic waste water to the outside, an inner cylinder connected with the inlet pipe and concentrically provided in the outer cylinder and having a partially-opened lowermost portion, and an aerator provided in the lower portion of the inner cylinder; and a second organic waste water unit treating tank including an outer cylinder provided in the upper portion thereof with an inlet pipe for introducing the organic waste water having undergone the microbial degradation process while having passed through the first organic waste water unit treating tank and an outlet pipe for discharging the introduced organic waste water to the outside, an inner cylinder concentrically provided in the outer cylinder so as to be connected with the inlet pipe and partially opened at a lowermost portion, and an aerator provided in the lower portion of the inner cylinder.
  • the inner cylinder of the first organic waste water unit treating tank and/or the inner cylinder of the second organic waste water unit treating tank may serve as an aerobic tank charged with aerobic microbes
  • the annular space defined between the inner cylinder and the outer cylinder of each of the first organic waste water unit treating tank and the second organic waste water unit treating tank may serve as an anaerobic tank charged with facultative anaerobic microbes and anaerobic microbes.
  • the combined organic waste water treatment system of the present invention may further include a microbe supply apparatus for supplying a microbe culture solution including aerobic microbes, facultative anaerobic microbes and anaerobic microbes to organic waste water before the organic waste water is introduced into the first organic waste water unit treating tank through the inlet pipe.
  • a microbe supply apparatus for supplying a microbe culture solution including aerobic microbes, facultative anaerobic microbes and anaerobic microbes to organic waste water before the organic waste water is introduced into the first organic waste water unit treating tank through the inlet pipe.
  • an anoxic tank for removing nitrogen components may further be connected to the outlet pipe of the second organic waste water unit treating tank.
  • the reason for this is that nitrogen components included in the organic waste water treated using aerobic/facultative anaerobic/aerobic microbes are removed, thus completely removing the danger of causing the eutrophication of rivers or seas.
  • the organic waste water unit treating tank and combined organic waste water treatment system are advantageous as follows.
  • the organic waste water unit treating tank according to the present invention has a dual structure in which an inner cylinder and an outer cylinder are concentrically provided, so that it has a compact structure in which both an aerobic tank and an anaerobic tank are formed into one body.
  • the organic waste water unit treating tank is advantageous in that it can be easily installed on the ground and thus its maintenance and repair can be easily conducted, and the combined organic waste water treatment system including the organic waste water unit treating tanks is advantageous in that an aerobic tank, an anaerobic tank and an anoxic tank are properly arranged by combining the organic waste water unit treating tanks with each other, thus efficiently treating the organic waste water in response to the amount and characteristics of the organic waste water.
  • the combined organic waste water treatment system includes a control unit which can provide environmental conditions suitable for aerobic microbes, facultative anaerobic microbes and anaerobic microbes charged in one organic waste water unit treating tank, it is advantageous in that microbes can be efficiently utilized, and in that the organic waste water unit treating tank can flexibly be used as an aerobic tank, an anaerobic tank or an anoxic tank by controlling an aerator without changing its structure .
  • a conventional septic tank or organic waste water treatment system must be buried in the ground or it is very difficult to change its installation place.
  • high personnel and financial costs are required, and the procedure thereof is also complicated.
  • the organic waste water treatment system of the present invention can be easily installed on the ground as well as in the ground by minimizing the restrictions at the time of the installation and movement thereof, and, if necessary, can easily be moved by installing it in a mobile container.
  • FIG. 1 is a side sectional view showing a medium tank included in the organic waste water disposal plant disclosed in Korean Unexamined Patent Application Publication No. 2004-0016122.
  • FIG. 2 is a plan view and a front view showing an organic waste water unit treating tank according to the present invention
  • FIG. 3 is a front view showing a configuration example of a combined organic waste water treatment system in which a plurality of organic waste water unit treating tanks are combined with each other according to the present invention.
  • FIG. 4 is a schematic view showing a combined organic waste water treatment system according to the present invention.
  • FIG. 2 is a plan view and a front view showing an organic water unit treating tank 10 according to the present invention.
  • the organic waste water unit treating tank 10 includes an outer cylinder 12 provided in the upper portion thereof with an inlet pipe 14 for introducing organic waste water and an outlet pipe 16 for discharging the introduced organic waste water to the outside, an inner cylinder 20 concentrically provided in the outer cylinder 12 so as to be connected with the inlet pipe 14 and partially opened at a lowermost portion, and an aerator 24 provided in the lower portion of the inner cylinder 20. Since the inner cylinder 20 and the outer cylinder 12 are concentrically configured, the organic waste water unit treating tank 10 of the present invention has a dual structure in which an annular space 22 is defined between the inner cylinder 20 and the outer cylinder 12.
  • the inlet pipe 14 is connected only with the inner cylinder 20
  • the outlet pipe 16 is connected only with the outer cylinder 12
  • the inner cylinder 20 has openings 26 in the lowermost portion thereof, so that the organic waste water introduced into the inner cylinder 20 through the inlet pipe 14 moves to the outer cylinder 12 through the openings 26 and is then discharged to the outside of the outer cylinder 12 through the outlet pipe 16.
  • the inner cylinder 20 serves as an aerobic tank charged with aerobic microbes
  • the annular space 22 defined between the inner cylinder 20 and the outer cylinder 12 serves as an anaerobic tank charged with facultative anaerobic microbes and anaerobic microbes .
  • the inner cylinder 20 may also be used as an anaerobic tank depending on the characteristics and flow rate of organic waste water.
  • the aerator 24 In order to easily use the inner cylinder 20 as an anaerobic tank, the aerator 24 must be not operated or must be detached from the inner cylinder 20.
  • the volume of an anaerobic tank be larger than that of an aerobic tank. That is, it is preferred that the volume of the inner cylinder 20 be about 1/3 of that of the outer cylinder 12 in order to increase the number of facultative anaerobic microbes and anaerobic microbes .
  • Two or more air supply pipes 32 for injecting air are further provided in the annular space 22 formed defined the inner cylinder 20 and the outer cylinder 12.
  • the air supply pipes 32 be provided in the annular space 22 such that their ends are located right under the surface of the organic waste water, for example, their ends are immersed 50 mm below the surface of the organic waste water.
  • Air is supplied to the annular space 22 through the air supply pipes 32 in order to crush solids floating on the surface of the organic waste water by the injection of air. Even in this case, it is required to prevent oxygen from being deeply supplied to an anaerobic tank charged with a large number of anaerobic microbes.
  • the above-configured organic waste water unit treating tank 10 may be independently used, but, as shown in FIGS. 3 and 4, a combined organic waste water treatment system in which several organic waste water unit treating tanks 10 are combined with each other may be used, thus improving the efficiency thereof.
  • This combined organic waste water treatment system 1000 may include a first organic waste water unit treating tank 100 including an outer cylinder 12 provided in the upper portion thereof with an inlet pipe 14 for introducing organic waste water and an outlet pipe 16 for discharging the introduced organic waste water to the outside, an inner cylinder 20 concentrically provided in the outer cylinder 12 so as to be connected with the inlet pipe 14 and partially opened at a lowermost portion, and an aerator 24 provided in the lower portion of the inner cylinder 20; and a second organic waste water unit treating tank 200 including an outer cylinder 12 provided in the upper portion thereof with an inlet pipe 14 for introducing the organic waste water having undergone the degradation process by microbes while passing through the first organic waste water unit treating tank 100 and an outlet pipe 16 for discharging the introduced organic waste water to the
  • the inner cylinder 20 of the first organic waste water unit treating tank 100 and/or the inner cylinder 20 of the second organic waste water unit treating tank 200 may serve as an aerobic tank charged with aerobic microbes
  • the annular space 22 defined between the inner cylinder 20 and the outer cylinder 12 of each of the first organic waste water unit treating tank 100 and the second organic waste water unit treating tank 200 may serve as an anaerobic tank charged with facultative anaerobic microbes and anaerobic microbes .
  • an anoxic tank for removing nitrogen components may further be connected to the outlet pipe 16 of the second organic waste water unit treating tank 200.
  • the reason for this is that nitrogen components included in the organic waste water treated using aerobic/facultative anaerobic/aerobic microbes are removed, thus completely removing the danger of causing the eutrophication of rivers or seas.
  • the combined organic waste water treatment system 1000 of the present invention further includes constituents which can control the main contamination factors of microbes in order to sufficiently utilize the activity of microbes.
  • FIG. 4 shows the combined organic waste water treatment system 1000 of the present invention.
  • the combined organic waste water treatment system 1000 includes sensors 120, 122, 124, 126 and 128 for respectively measuring suspended solids (SS) , biochemical oxygen demand (BOD) , dissolved oxygen (DO) , temperature and hydrogen ion concentration (pH) , which are the main contamination factors of the organic waste water.
  • the signals output from the sensors 120, 122, 124, 126 and 128 are input to a control unit 400.
  • the control unit 400 serves to control the flow rate of the organic waste water and the amount of the microbes such that the respective contamination factors measured by the sensors 120, 122, 124, 126 and 128 are present in the range in which microbes can efficiently treat the organic waste water.
  • control unit 400 The method of controlling the respective main contamination factors using the control unit 400 will be described as follows.
  • the load capacity (SS volume load and BOD volume load) of organic matter which can be treated in an aerobic tank with the help of aerobic microbes is about 0.45 kg/m 3 a day in the summer season, about 0.40 kg/m 3 a day in the spring and autumn seasons and 0.17 kg/m s a day in the winter season, when the aerobic tank is a continuous aerobic tank.
  • the load capacity thereof is about half of that when the aerobic tank is a continuous aerobic tank, respectively.
  • the load capacities (SS volume load and BOD volume load) of the organic matter can excessively deviate from such a level.
  • the volume load of the aerobic tank is increased to 20% or more, the treatment capacity of the organic matter by microbes exceeds the permitted limit, so that bubbles are generated or bad smells are emitted together with corrosion, thereby greatly decreasing treatment efficiency.
  • the concentration of organic matter must be adjusted by adding final discharged waste water or dilution water thereto. Further, due to the characteristics of livestock waste water, suspended solids, which are formed by dung of excreta discharged from a livestock barn, is required to be separated from the organic waste water using a solid-liquid separator, a filter having fine screens, a sedimentation tank or the like. Actually, since the aerobic tank can lose its ability to function as a septic tank when the concentration of organic matter per day exceeds lkg/m 3 , it is important to properly adjust the load capacity (BOD volume load) of organic matter.
  • BOD volume load load capacity
  • the load capacity of organic matter is measured by a suspended solid (SS) sensor 120 and a biochemical oxygen demand (BOD) sensor 122 which are provided in the first organic waste water unit treating tank 100, and is controlled by pumping final discharged waste water from a final discharged waste water tank 520 into an organic waste water storage tank 500 using a final discharge waste water transportation pump P4.
  • SS suspended solid
  • BOD biochemical oxygen demand
  • dissolved oxygen (DO) in an aerobic tank is an essential factor used in a nitrification process for converting ammoniac nitrogen (NH 3 -N) into nitric nitrogen (NO 3 -N) via nitrous nitrogen (NO 2 -N) .
  • NH 3 -N ammoniac nitrogen
  • NO 3 -N nitric nitrogen
  • NO 2 -N nitrous nitrogen
  • DO dissolved oxygen
  • the nitrification process is easily performed, and the nitrified organic waste water is introduced into an anaerobic tank or an anoxic tank, and thus nitric nitrogen (NO 3 -N) is converted into nitrogen gas (N 2 ) through a denitrification process and is then discharged and thus removed. Therefore, when the dissolved oxygen (DO) in the aerobic tank is very low, the aeration time and aeration output of an aerator must be increased.
  • the dissolved oxygen (DO) in the aerobic tank is measured by a dissolved oxygen (DO) sensor 124 provided in the first organic waste water unit treating tank 100, and thus the operation time and rotation speed of an air blower 110 for supplying air to an aerator 24 are controlled, thereby controlling the aeration time and aeration output of the aerator 24.
  • the optimal temperature of a reaction tank in the activity of microbes is about 35 ° C. When the temperature of the reaction tank is increased by 10 "C at a temperature of 10 ° C or more, the reaction rate and treatment capacity thereof is increased two-fold. However, when the temperature of the reaction tank is more than 60 ° C, microbes can die.
  • the temperature of an aerobic tank is controlled to be approximately 30 ° C using a heater 30 provided in the annular space 22 between the outer cylinder 12 and inner cylinder 20 of the first organic waste water unit treating tank 100.
  • pH thereof deviates from an allowable pH range of 6 ⁇ 8, it must be controlled by adding a buffer solution which is necessary for adjusting a hydrogen ion concentration (pH) or by adjusting the aeration time and aeration output of the aerator 24.
  • a buffer solution supply apparatus 420 for adding the buffer solution includes a buffer solution tank 422 for storing the buffer solution and a buffer solution supply pump P3 for pumping the buffer solution into the first organic waste water unit treating tank 100.
  • the combined organic waste water treatment system 1000 of the present invention may further include a microbe supply apparatus 410 for supplying a microbe culture solution including aerobic microbes, facultative anaerobic microbes and anaerobic microbes to organic waste water before the organic waste water is introduced into the first organic waste water unit treating tank 100 through the inlet pipe 14.
  • the microbe supply apparatus 410 includes a microbe tank 412 for storing the microbe culture solution and a microbe supply pump P2 for pumping the microbe culture solution into the first organic waste water unit treating tank 100.
  • the combined organic waste water treatment system of the present invention can efficiently degrade and treat organic waste water such as livestock waste water by combining several organic waste water unit treating tanks with each other, each of which includes two separated spaces, one of which is charged with aerobic microbes and the other of which is charged with facultative anaerobic microbes and anaerobic microbes, and by making a living environment suitable for the respective microbes .

Abstract

La présente invention concerne un système combiné de traitement des eaux usées organiques qui peut dégrader et traiter efficacement des eaux usées organiques telles que les eaux usées provenant du bétail en combinant plusieurs réservoirs de traitement d'unités d'eaux usées organiques, dont chacun comprend un espace alimenté avec des microbes aérobies et un autre espace alimenté avec des microbes anaérobies facultatives et des microbes anaérobies, et en rendant l’environnement de vie approprié pour les microbes respectifs. Le réservoir de traitement de l'unité des eaux usées organiques comprend un cylindre externe fourni sur la partie supérieure de celui-ci avec des tuyaux d'entrée et de sortie destinés à l'introduction de la décharge des eaux usées organiques, un cylindre interne fourni de manière concentrique dans le cylindre externe à connecter avec le tuyau d'entrée et partiellement ouvert à une partie la plus basse, et un aérateur fourni dans la partie inférieure du cylindre interne. Le cylindre interne sert de réservoir aérobie alimenté avec des microbes aérobies, et l'espace annulaire entre le cylindre externe et le cylindre interne sert de réservoir anaérobie alimenté avec des microbes anaérobies facultatives et des microbes anaérobies.
PCT/KR2008/006992 2008-06-12 2008-11-27 Installation combinée d'élimination des eaux usées organiques utilisant un microorganisme efficace WO2009151190A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0055147 2008-06-12
KR1020080055147A KR100874161B1 (ko) 2008-06-12 2008-06-12 유용미생물을 이용한 조합형 유기폐수 처리장치

Publications (1)

Publication Number Publication Date
WO2009151190A1 true WO2009151190A1 (fr) 2009-12-17

Family

ID=40372659

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/006992 WO2009151190A1 (fr) 2008-06-12 2008-11-27 Installation combinée d'élimination des eaux usées organiques utilisant un microorganisme efficace

Country Status (2)

Country Link
KR (1) KR100874161B1 (fr)
WO (1) WO2009151190A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2720984A1 (fr) * 2011-06-15 2014-04-23 Dean Smith Système de traitement de l'eau pour une nitrification et une dénitrification simultanées
CN103755104A (zh) * 2014-01-28 2014-04-30 哈尔滨工业大学 低浓度污水的一体化处理装置及方法
CN105884115A (zh) * 2014-04-30 2016-08-24 滨州医学院 一种医疗废水处理系统
US10046997B2 (en) 2010-12-08 2018-08-14 Dean Smith Water treatment system for simultaneous nitrification and denitrification
CN109133349A (zh) * 2018-08-25 2019-01-04 中持水务股份有限公司 适于垃圾渗滤液废水处理的ao集成反应设备
CN116803930A (zh) * 2023-08-14 2023-09-26 湖南化工设计院有限公司 一种猪场废水处理系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1119683A (ja) * 1997-07-07 1999-01-26 Copurosu:Kk 汚水処理装置
KR19990075503A (ko) * 1998-03-20 1999-10-15 이규철 생물학적 반응에 의한 하폐수 처리장치 및 방법
JP2004195334A (ja) * 2002-12-17 2004-07-15 Ebara Corp 嫌気性処理装置及び処理方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1119683A (ja) * 1997-07-07 1999-01-26 Copurosu:Kk 汚水処理装置
KR19990075503A (ko) * 1998-03-20 1999-10-15 이규철 생물학적 반응에 의한 하폐수 처리장치 및 방법
JP2004195334A (ja) * 2002-12-17 2004-07-15 Ebara Corp 嫌気性処理装置及び処理方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10046997B2 (en) 2010-12-08 2018-08-14 Dean Smith Water treatment system for simultaneous nitrification and denitrification
EP2720984A1 (fr) * 2011-06-15 2014-04-23 Dean Smith Système de traitement de l'eau pour une nitrification et une dénitrification simultanées
EP2720984A4 (fr) * 2011-06-15 2015-02-18 Dean Smith Système de traitement de l'eau pour une nitrification et une dénitrification simultanées
CN103755104A (zh) * 2014-01-28 2014-04-30 哈尔滨工业大学 低浓度污水的一体化处理装置及方法
CN103755104B (zh) * 2014-01-28 2015-07-08 哈尔滨工业大学 低浓度污水的一体化处理装置及方法
CN105884115A (zh) * 2014-04-30 2016-08-24 滨州医学院 一种医疗废水处理系统
CN105884115B (zh) * 2014-04-30 2018-11-20 滨州医学院 一种医疗废水处理系统
CN109133349A (zh) * 2018-08-25 2019-01-04 中持水务股份有限公司 适于垃圾渗滤液废水处理的ao集成反应设备
CN116803930A (zh) * 2023-08-14 2023-09-26 湖南化工设计院有限公司 一种猪场废水处理系统
CN116803930B (zh) * 2023-08-14 2024-02-09 湖南化工设计院有限公司 一种猪场废水处理系统

Also Published As

Publication number Publication date
KR100874161B1 (ko) 2008-12-15

Similar Documents

Publication Publication Date Title
KR101904985B1 (ko) 생물반응조 종합관리 자동제어 시스템을 이용하여 질소 제거 효율을 향상시킨 하수 고도처리장치 및 처리방법
KR101665636B1 (ko) 폐수 전처리방법 및 그 전처리방법을 이용한 오염수처리방법
CN102775025B (zh) 高效低能耗城镇生活污水处理系统
US7008538B2 (en) Single vessel multi-zone wastewater bio-treatment system
CN102627353B (zh) 双污泥串联曝气生物滤池硝化反硝化及过滤的方法与装置
CN106430845A (zh) 餐厨垃圾废水处理装置
CN105036467A (zh) 一种用于小城镇污水处理的人工湿地污水预处理的方法
US20130193068A1 (en) Modification of existing wastewater systems with substrate supported biofilms
CN102964037B (zh) 一种新型轻质滤料与重质滤料曝气生物滤池联合使用的污水处理方法
CN102107995A (zh) 一种基于化学混凝—两级曝气生物滤池组合工艺的低温城市污水强化处理方法
Mažeikienė Improving small-scale wastewater treatment plant performance by using a filtering tertiary treatment unit
WO2009151190A1 (fr) Installation combinée d'élimination des eaux usées organiques utilisant un microorganisme efficace
CN111056698A (zh) 一种多级生物接触氧化法的废水处理工艺
CN101781056B (zh) 造纸废水的处理方法
CN216808519U (zh) 一种运用微生物和生态净化工艺的饮用水预处理系统
CN107827324B (zh) 一种城镇污水综合处理系统
CN211595374U (zh) 一种悬浮生物膜与深度过滤联用的污水处理设备
CN105110556A (zh) 一体化脱氮脱碳曝气生物滤池及其处理系统
CN100369835C (zh) 一种污水回用于循环冷却水处理工艺
CN202945124U (zh) 一种高效低能耗城镇生活污水处理系统
CN208071544U (zh) 一种铁路通讯系统生产废水处理系统
KR100953075B1 (ko) 오·폐수 처리용 고효율 순환제어 산화환원조 및 이를 이용한 폐수처리방법
CN212833044U (zh) 用于作为生化法污水处理系统厌氧区或缺氧区的搅拌装置
CN115477439A (zh) 集成式一体化mbr污水处理设备
CN110104776B (zh) 一种小型污水处理一体化设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08874624

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08874624

Country of ref document: EP

Kind code of ref document: A1