KR100475451B1 - The treatment system for purifying - Google Patents
The treatment system for purifying Download PDFInfo
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- KR100475451B1 KR100475451B1 KR10-2002-0061029A KR20020061029A KR100475451B1 KR 100475451 B1 KR100475451 B1 KR 100475451B1 KR 20020061029 A KR20020061029 A KR 20020061029A KR 100475451 B1 KR100475451 B1 KR 100475451B1
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- leachate
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- sludge
- ozone
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
Abstract
본 발명은 침출수 정화 처리 시스템에 관한 것으로, 특히 침출수가 스크린을 거쳐 내부로 유입되면 바이패스에 의해 처리 용량이 조절되고, 처리 용량이 조절되면 펌프를 이용하여 분배조로 이송시키는 집수조와, 상기 분배조를 거친 침출수가 이송되면 황산알루미늄, 염화철, 폴리머등과 같은 약품을 이용하여 침출수에 함유된 슬러지를 응집시키는 약품탱크와, 상기 약품탱크를 통하여 슬러지가 응집된 침출수가 유입되면 바닥에 침전된 슬러지는 농축조로 압송시키고, 슬러지와 분리된 침출수는 오존처리수조로 이송시키는 침전조와, 상기 오존처리수조내로 유입된 침출수가 펌핑조에 의해 압송되면 침출수에 함유된 난분해성유기물을 생분해화시키고 체류조에서 일정시간 체류하는 동안 오존이 소멸되게 하는 오존부분산화장치와, 상기 체류조를 거치면서 용존된 오존이 소멸된 상태의 침출수가 유입되면 내부에 형성된 담체에 의해서는 독성이 제거됨과 동시에 오염부하 충격이 완화되게 하고, 침지막에 의해서는 슬러지가 제거되게 하는 폭기조와, 상기 폭기조내의 침출수가 감압펌프에 의해 강제 압송되면서 유량조절조를 거쳐 유입되면 침출수를 정화하여 정화된 침출수는 방류하고 슬러지가 농축된 농축액은 농축조로 투입되게 하는 역삼투막으로 이루어진 침출수 정화 처리 시스템을 마련한 후, 침출수가 유입되면 상기 침출수 정화 처리 시스템을 거치면서 생물학적 처리와 물리·화학적 처리되어 정화된 침출수만 외부로 방류되고 슬러지는 농축조에 저장될 수 있도록 한 것이다.The present invention relates to a leachate purification treatment system, and in particular, when the leachate flows through the screen, the treatment capacity is adjusted by bypass, and when the treatment capacity is adjusted, a collecting tank for transferring to a distribution tank using a pump, and the distribution tank. When the leachate is passed through the chemical tank such as aluminum sulfate, iron chloride, polymer, etc. to aggregate the sludge contained in the leachate, and the sludge agglomerated leachate through the chemical tank is sludge deposited on the floor The leachate which is pumped into the concentration tank and the leachate separated from the sludge is transferred to the ozone treatment tank, and when the leachate introduced into the ozone treatment tank is pumped by the pumping tank, the biodegradable organic matter contained in the leachate is biodegraded, An ozone partial oxidation device which causes ozone to disappear during the stay, and When the leachate in the state of dissolved ozone is lost during the inflow, the carrier formed therein removes the toxic and contaminates the impact of the pollutant load, and the immersion membrane removes the sludge and the aeration tank in the aeration tank. After the leachate is forced into the pressure reducing pump and flows through the flow control tank, the leachate is purified and the leachate purified is discharged, and the concentrated sludge-concentrated concentrate is introduced into the thickener. When introduced, only the leachate purified through biological treatment and physico-chemical treatment through the leachate purification system can be discharged to the outside and the sludge can be stored in a concentration tank.
Description
본 발명은 침출수 정화 처리 시스템에 관한 것으로, 특히 침출수가 유입되면 일련의 장치들을 차례로 거치면서 생물학적 처리와 물리·화학적 처리되어 정화된 여과수만 외부로 방류되고 슬러지는 농축조에 저장될 수 있도록 한 침출수 정화 처리 시스템에 관한 것이다.The present invention relates to a leachate purification treatment system, and in particular, leachate purification in which leachate is purified and biologically treated and physically and chemically treated by filtration and then discharged to the outside and sludge is stored in a concentration tank. To a processing system.
일반적으로 생활폐기물 매립지에서 발생되는 침출수는 매립되는 쓰레기의 종류, 매립쓰레기량, 매립기간, 매립지형, 매립방법, 강우량, 기후조건, 쓰레기 다짐정도 등 많은 환경변수에 따라 수질과 발생량이 다양하게 나타나며, 최근에는 생활수준과 산업기술의 발달로 새로운 합성물질이 함유된 생활폐기물의 매립으로 인하여 침출수의 질은 더욱 다양하고 복잡하게 나타나고 있다.In general, the leachate generated from domestic waste landfills varies in water quality and incidence depending on many environmental variables such as the type of waste to be landfilled, landfill waste, landfill period, landfill type, landfill method, rainfall, climate conditions, and waste compaction. In recent years, the quality of leachate has become more diverse and complex due to the landfill of new waste containing new synthetic materials due to the development of living standards and industrial technologies.
매립초기 침출수에 함유된 유기물질은 대부분이 FVFA(Free Volatile Fatty Acids) 형태의 유기물로 존재하며 매립경과시간이 지남에 따라 FVFA성분은 감소되고 Fulvic-Like Material 즉, Carboxyl Group, Aromatic Hydroxyl Group 등이 증가하게 된다. Fulvic-like Material과 같은 난분해성 유기물질과 함께 침출수처리에 어려움을 유발하는 오염물질은 질소로 침출수에 함유된 질소는 매립초기에 비하여 약 5∼6년 정도 매립시간이 경과되었을 때 약 5배이상 증가하는 경향을 나타내며 농도범위는 대개 300∼4,000mgN/ℓ로 다양하게 나타난다.Most of the organic materials in the early landfill leachate are organic substances in the form of FVFA (Free Volatile Fatty Acids) .Furthermore, the FVFA component decreases as the landfill time elapses and the Fulvic-Like Material, ie Carboxyl Group, Will increase. Pollutants that cause difficulty in leachate treatment with hardly degradable organic substances such as fluorvic-like materials are nitrogen. Nitrogen contained in leachate is about 5 times more than when it is buried for about 5-6 years There is a tendency to increase and the concentration range is usually varied from 300 to 4,000 mgN / l.
이를 위해 종래 침출수 처리장치는 BOD, COD 등 유기물질만을 처리하기 위하여 대부분 활성슬러지(Activated Sludge)를 이용한 생물학적 처리만을 실시하였기 때문에 침출수에 고농도로 함유된 질소는 거의 처리하지 못하고 있는 상태이다.To this end, the conventional leachate treatment apparatus has almost only treated the biological material using activated sludge (Activated Sludge) to treat only organic substances such as BOD, COD, so that the nitrogen contained in the leachate at a high concentration is hardly treated.
더욱이 침출수에 함유된 질소는 대개 1,000mgN/ℓ이상 고농도로 함유되어 있어 적정처리가 대단히 어려우며, 매립지내에서의 체류기간동안 생물분해가능한 유기성 질소(Organic Nitrogen)는 대부분 암모니아화(Ammonification) 되지만 잔류된 유기성질소는 침출수처리과정에서 분해 제거되지않고 그대로 방류되고 있는 실정으로, 고농도 질소를 적정하게 처리하기 위해서는 생물학적 처리와 물리·화학적 처리방법이 요구 되고 있는 실정이다.Moreover, the nitrogen contained in leachate is usually contained in high concentrations of more than 1,000 mgN / l, which makes it very difficult to titrate. Biodegradable organic nitrogen during the residence period in landfills is mostly ammonized but remains Organic nitrogen is discharged as it is, without being decomposed and removed in the leachate treatment process, biological treatment and physical and chemical treatment methods are required to properly treat the high concentration of nitrogen.
따라서 본 발명의 목적은 상기와 같은 종래의 문제점을 감안하여 안출한 것으로, 침출수가 유입되면 일련의 장치들을 차례로 거치면서 생물학적 처리와 물리·화학적 처리되어 정화된 여과수만 외부로 방류되고 슬러지는 농축조에 저장될 수 있도록 한 침출수 정화 처리 시스템을 제공하는데 있다.Therefore, the object of the present invention is to devise in view of the above-mentioned conventional problems, when the leachate is introduced into the concentration tank is discharged to the outside and only the filtered water purified through biological treatment and physico-chemical treatment through a series of devices in turn. It is to provide a leachate treatment system for storage.
상기와 같은 목적을 달성하기 위한 수단으로 본 발명은, 침출수가 스크린을 거쳐 내부로 유입되면 바이패스에 의해 처리 용량이 조절되고, 처리 용량이 조절되면 펌프를 이용하여 분배조로 이송시키는 집수조와,As a means for achieving the above object, the present invention, the leachate is introduced into the interior via the screen, the treatment capacity is adjusted by the bypass, when the treatment capacity is adjusted, the collecting tank for transferring to the distribution tank using a pump,
상기 분배조를 거친 침출수가 이송되면 황산알루미늄, 염화철, 폴리머등과 같은 약품을 이용하여 침출수에 함유된 슬러지를 응집시키는 약품탱크와,When the leachate is passed through the distribution tank and the chemical tank that aggregates the sludge contained in the leachate using chemicals such as aluminum sulfate, iron chloride, polymer, and the like;
상기 약품탱크를 통하여 슬러지가 응집된 침출수가 유입되면 바닥에 침전된 슬러지는 농축조로 압송시키고, 슬러지와 분리된 침출수는 오존처리수조로 이송시키는 침전조와,When the leachate in which the sludge is aggregated through the chemical tank is introduced, the sludge precipitated at the bottom is sent to the concentration tank, and the leachate separated from the sludge is transferred to the ozone treatment tank,
상기 오존처리수조내로 유입된 침출수가 펌핑조에 의해 압송되면 침출수에 함유된 난분해성유기물을 생분해화시키고 체류조에서 일정시간 체류하는 동안 오존이 소멸되게 하는 오존부분산화장치와,An ozone partial oxidation apparatus for biodegrading the hardly decomposable organic matter contained in the leachate when the leachate introduced into the ozone treatment tank is pumped by a pumping tank and dissipating ozone during a predetermined time in the retention tank;
상기 체류조를 거치면서 용존된 오존이 소멸된 상태의 침출수가 유입되면 내부에 형성된 담체에 의해서는 독성이 제거됨과 동시에 오염부하 충격이 완화되게 하고, 침지막에 의해서는 슬러지가 제거되게 하는 폭기조와,When the leachate in the state of dissolved ozone disappeared while the retention tank is introduced, the carrier formed therein removes toxicity and at the same time mitigates the impact of the pollutant load, and the aeration tank allows sludge to be removed by the immersion membrane. ,
상기 폭기조내의 침출수가 감압펌프에 의해 강제 압송되면서 유량조절조를 거쳐 유입되면 침출수를 정화하여 정화된 침출수는 방류하고 슬러지가 농축된 농축액은 농축조로 투입되게 하는 역삼투막으로 구성되는 것을 그 기술적 구성상의 기본 특징으로 한다.When the leachate in the aeration tank is forcibly pushed by the decompression pump and flows through the flow control tank, the leachate is purified and the leachate purified is discharged and the sludge-concentrated concentrate is composed of a reverse osmosis membrane which is introduced into the concentration tank. It features.
이하 본 발명의 바람직한 실시예를 첨부도면을 참조하여 보다 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명은 도1에서와 같이 침출수를 더욱 효과적으로 정화 처리하기 위해서는 집수조(100), 약품탱크(300), 농축조(400), 침전조(500), 오존처리수조(600), 오존부분산화장치(700), 폭기조(800) 및 역삼투막(900)과 같은 장치가 서로 유기적으로 연결되어 사용된다.In the present invention, in order to purify the leachate more effectively as shown in Figure 1, the collection tank 100, the chemical tank 300, the concentration tank 400, the precipitation tank 500, ozone treatment tank 600, ozone partial oxidation apparatus 700 ), Aeration tank 800 and the reverse osmosis membrane 900 is used to be organically connected to each other.
집수조(100)는 침출수가 스크린(110)을 거쳐 내부로 유입되면 바이패스(130)에 의해 처리 용량이 조절되고, 처리 용량이 조절되면 펌프(120)를 이용하여 분배조(200)로 이송시키며, 약품탱크(300)는 분배조(200)를 거친 침출수가 이송되면 황산알루미늄, 염화철, 폴리머등과 같은 약품을 이용하여 침출수에 함유된 슬러지를 응집시키는 역활을 수행한다.When the leachate 100 is introduced into the leachate through the screen 110, the treatment capacity is adjusted by the bypass 130, and when the treatment capacity is adjusted, and transfers to the distribution tank 200 using the pump 120 , The chemical tank 300 serves to agglomerate the sludge contained in the leachate using a chemical such as aluminum sulfate, iron chloride, polymer when the leachate is passed through the distribution tank 200.
침전조(500)는 약품탱크(300)를 통하여 슬러지가 응집된 침출수가 유입되면 바닥에 침전된 슬러지는 농축조(400)로 압송시키고, 슬러지와 분리된 침출수는 오존처리수조(600)로 이송시키며, 오존부분산화장치(700)는 상기 오존처리수조(600)내로 유입된 침출수가 펌핑조(610)에 의해 압송되면 침출수에 함유된 난분해성유기물을 생분해화시키고 체류조(620)에서 일정시간 체류하는 동안 오존이 소멸되게 한다.The sedimentation tank 500, when the leachate in which the sludge is aggregated through the chemical tank 300 is introduced, the sludge precipitated at the bottom is sent to the concentration tank 400, and the leachate separated from the sludge is transferred to the ozone treatment tank 600, The ozone partial oxidation apparatus 700 biodegrades the hardly decomposable organic matter contained in the leachate when the leachate introduced into the ozone treatment tank 600 is pumped by the pumping tank 610 and stays in the retention tank 620 for a predetermined time. To allow ozone to disappear.
폭기조(800)는 체류조(620)를 거치면서 오존이 소멸된 상태의 침출수가 유입되면 내부에 형성된 담체(810)에 의해서는 독성이 제거됨과 동시에 오염부하 충격이 완화되게 하고, 침지막(820)에 의해서는 슬러지가 제거되게 하며, 역삼투막(900)은 폭기조(800)내의 침출수가 감압펌프(920)에 의해 강제 압송되면서 유량조절조(910)를 거쳐 유입되면 침출수를 정화하여 정화된 침출수는 방류하고 슬러지가 농축된 농축액은 농축조(400)로 투입되도록 구성된다.When the aeration tank 800 flows through the retention tank 620 and the leachate in the state where ozone is extinguished, the carrier 810 formed therein removes the toxic and at the same time mitigates the pollution load impact, and the immersion membrane 820. Sludge is removed by the reverse osmosis membrane 900, the leachate purified by leachate when the leachate in the aeration tank 800 is forced through the pressure reducing pump 920 and flows through the flow control tank 910 to clean the leachate The concentrated liquid discharged and the sludge concentrated is configured to be introduced into the concentration tank (400).
이와 같이 구성된 본 발명은 최초 침출수가 스크린을 거쳐 집수조 내부로 유입되면 바이패스(130)에 의해 시간당 처리 용량이 조절되고, 처리 용량이 조절된 침출수는 펌프(120)에 일정량만 분배조(200)로 펌핑된다.In the present invention configured as described above, when the first leachate is introduced into the sump through the screen, the treatment capacity per hour is controlled by the bypass 130, and the leachate with the treatment capacity is adjusted to the pump 120 only in a predetermined amount. Pumped into.
분배조(200)를 거친 침출수가 약품탱크(300) 내부로 투입되면 약품탱크에서는 황산알루미늄, 염화철, 폴리머등과 같은 약품을 이용하여 침출수에 함유된 슬러지를 응집시키고, 응집된 슬러지와 침출수는 침전조(400)로 유입된다.When the leachate passed through the distribution tank 200 is introduced into the chemical tank 300, the chemical tank agglomerates sludge contained in the leachate using chemicals such as aluminum sulfate, iron chloride, polymer, and the like. Inflow to 400.
침전조(500)로 유입된 슬리지와 침출수중 상기 침전조(500) 바닥면에 가라 앉은 슬러지는 농축조(400)로 압송되고 슬러지와 분리된 침출수는 오존처리수조(600)로 이송된다.The sludge submerged in the bottom surface of the sedimentation tank 500 among the sludge and the leachate introduced into the sedimentation tank 500 is fed to the concentration tank 400 and the leachate separated from the sludge is transferred to the ozone treatment tank 600.
이때 오존처리수조(600)내로 유입된 침출수는 펌핑조(810)에 의해 오존부분산화장치(700)로 압송되고, 압송된 침출수는 상기 오존부분산화장치(700)에 의해 난분해성유기물이 생분해화됨과 동시에 체류조에서 일정시간(1-6시간) 체류하는 동안 오존이 소멸된다.At this time, the leachate introduced into the ozone treatment tank 600 is pumped to the ozone partial oxidation apparatus 700 by the pumping tank 810, and the pressurized leachate is biodegradable by the ozone partial oxidation apparatus 700. At the same time, ozone dissipates during a certain period of time (1-6 hours) in the holding tank.
용존된 오존이 소멸된 상태에서 침출수가 폭기조(800)내로 유입되면 담체(810)는 침출수에 함유된 독성을 제거함과 동시에 오염부하 충격이 완화되게 하고, 침지막은 슬러지를 제거한다.When the leachate flows into the aeration tank 800 in the state of dissolved ozone, the carrier 810 removes the toxicity contained in the leachate and at the same time, the impact of the contaminant load is alleviated, and the immersion membrane removes the sludge.
이후 감압펌프(920)에 의해 유량조절조(910)를 거쳐 역삼투막(900)으로 압송되고, 역삼투막(900)으로 압송된 침출수는 역삼투막 내에서 정화되는데, 정화된 침출수(여과수)는 외부로 방류되고 슬러지가 농축된 농축액은 농축조(400)로 재차 투입 저장된다.Thereafter, the pressure-reducing pump 920 is pumped through the flow control tank 910 to the reverse osmosis membrane 900, and the leachate pumped to the reverse osmosis membrane 900 is purified in the reverse osmosis membrane, and the purified leachate (filtration water) is discharged to the outside. The concentrated sludge concentrate is stored in the concentration tank 400 again.
이상에서 살펴본 바와 같이 본 발명에 의하면, 침출수가 유입되면 일련의 장치들을 차례로 거치면서 생물학적 처리와 물리·화학적 처리되어 정화된 여과수만 외부로 방류되고 슬러지는 농축조에 저장되기 때문에 더욱 효과적으로 침출수를 정화 처리할 수 있는 등의 효과가 있는 것이다.As described above, according to the present invention, when the leachate is introduced, the leachate is purified more effectively because only the filtered water, which is purified by biological treatment and physical and chemical treatment, is discharged to the outside and stored in the sludge tank while sequentially passing through a series of devices. You can do it.
이상에서는 본 발명을 특정의 바람직한 실시예를 참고하여 설명하였으나, 본 발명은 상기한 실시예에 한정되지 아니하며 본 발명의 요지를 벗어나지 않는 범위에서 통상의 지식을 가진자에 의해 다양한 변경과 수정이 이루어질 수 있는 것임을 밝혀둔다.The present invention has been described above with reference to specific preferred embodiments, but the present invention is not limited to the above embodiments and various changes and modifications may be made by those skilled in the art without departing from the gist of the present invention. Make sure you can.
도1은 본 발명에 따른 침출수 정화 처리 시스템의 구성도1 is a block diagram of a leachate purification system according to the present invention
(도면중 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)
100 ; 집수조 110 ; 스크린 120 ; 펌프100; Sump 110; Screen 120; Pump
130 ; 바이패스 200 ; 분배조 300 ; 약품탱크130; Bypass 200; Distribution tank 300; Chemical tank
400 ; 농축조 500 ; 침전조 600 ; 오존처리수조400; Thickener 500; Settling tank 600; Ozone treatment tank
610 ; 펌핑조 620 ; 체류조 700 ; 오존부분산화장치610; Pumping tank 620; Retention tank 700; Ozone Partial Oxidizer
800 ; 폭기조 810 ; 담체 820 ; 침지막800; Aeration tank 810; Carrier 820; Immersion membrane
900 ; 역삼투막 910 ; 유량조절조 920 ; 감압펌프900; Reverse osmosis membrane 910; Flow control tank 920; Decompression pump
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| CN103130378A (en) * | 2011-11-24 | 2013-06-05 | 马志文 | System for treating household garbage leachate |
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| CN111606507A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Integrated equipment for medical sewage disinfection treatment |
| CN113105073A (en) * | 2021-04-09 | 2021-07-13 | 瀚蓝(惠安)固废处理有限公司 | Leachate treatment method and system |
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