KR20130003238A - 유기물과 질소성분을 함유한 축산폐수, 소화폐액, 음폐수의 처리 장치 및 그 처리 방법 - Google Patents
유기물과 질소성분을 함유한 축산폐수, 소화폐액, 음폐수의 처리 장치 및 그 처리 방법 Download PDFInfo
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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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
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- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
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- C—CHEMISTRY; METALLURGY
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- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- 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
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- 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]
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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
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Abstract
Description
도 2는 본 발명에 따른 다양한 폐수를 처리하기 위한 처리방법을 나타낸 순서도이다.
| 분석항목 | pH | COD Cr | T-N | NH3-N | T-P | TS |
| 단위 | - | ㎎/ℓ | ㎎/ℓ | ㎎/ℓ | ㎎/ℓ | % |
| 소화폐액 | 8.05 | 49,369 | 4,146 | 3,694 | 874 | 3.09 |
| 항 목 | COD Cr 제거율 | 바이오가스 발생량 | 메탄가스 함량 |
| 단 위 | % | ℓ/D | % |
| 값 | 72 | 20.26 | 80 |
| 항 목 | 원 수 | 방류수 | 제거율 |
| 단위 | ㎎/ℓ | ㎎/ℓ | % |
| CODCr | 2,055 | 113 | 94.5 |
| CODMn | 1,892 | 86 | 95.5 |
| SS | 324 | 40 | 87.7 |
| T-N | 877 | 58 | 93.4 |
| T-P | 85 | 22 | 74.1 |
30 : 탈기조 40 : 제1혐기조
50 : 미생물반응조 51 : 황산화탈질조
52 : 제2혐기조 52a : 제1교반기
53 : 무산소조 53a : 제2교반기
54 : 호기조 55 : 침전조
56 : 제1연결통로 57 : 탈색조
100 : 처리장치
S10 : 1차처리단계 S20 : 2차처리단계
S30 : 3차어리단계 S40 : 침전단계
S50 : 4차처리단계 S60 : 5차처리단계
Claims (4)
- 축산폐수, 소화폐액, 음폐수와 같은 처리대상 폐액 또는 폐수를 처리하는 처리 장치에 있어서,
상기 폐액 또는 폐수를 고액분리하는 탈수기(10)를 구성하고,
상기 고액 분리된 폐액 또는 폐수를 공급받아 잔여 고형물과 유기물을 분리, 제거하는 침전조(20)를 구성하며,
상기 침전조(20)에 존재하는 깨끗한 상등수를 공급받아 고농도의 암모니아성 질소를 제거하는 탈기조(30)를 구성하고,
상기 탈기조(30)를 거쳐 암모니아성질소가 제거된 상등수를 공급받아 상등수에 함유된 고농도의 유기물을 제거하는 제1혐기조(40)를 구성하며,
상기 제1혐기조(40)를 거친 고농도 유기물이 제거된 상등수를 공급받아 잔여 암모니아성 질소를 질산성 질소 또는 아질산성 질소로 변환시킨 후, 일부는 종속영양탈질에 의해 제거하고, 나머지는 황산화탈질공법에 의해 질산성 질소 또는 아질산성 질소를 제거하는 미생물반응조(50)로 구성되는 것을 특징으로 하는 유기물과 질소성분을 함유한 축산폐수, 소화폐액, 음폐수의 처리 장치. - 제 1항에 있어서, 상기 탈수기(10)는 침전조(20)의 내부에 설치되어 탈수기(10)에서 탈수되는 폐액 또는 폐수가 침전조(20)에서 고형물과 유기물이 분리되도록 구성되는 것을 특징으로 하는 유기물과 질소성분을 함유한 축산폐수, 소화폐액, 음폐수의 처리 장치.
- 제 1항에 있어서, 상기 미생물반응조(50)는 황산화탈질균이 우점화되어 이루어지는 황산화탈질조(51)와,
상기 황산화탈질조(51)와 연결되며, 제1교반기(52a)를 포함하여 이루어지는 제2혐기조(52)와,
상기 제2혐기조(52)와 연결되며, 제2교반기(53a)를 포함하여 이루어지는 무산소조(53)와,
상기 무산소조(53)와 연결되며, 폭기노즐을 포함하여 이루어지는 호기조(54)와,
상기 호기조(54)와 연결되는 침전조(55)와,
상기 침전조(54)에서 얻어지는 상등수를 황산화탈질조(51)로 공급하기 위해 연결되는 제1연결통로(56);를 포함하여 구성되는 것을 특징으로 하는 유기물과 질소성분을 함유한 축산폐수, 소화폐액, 음폐수의 처리 장치. - 축산폐수, 소화폐액, 음폐수와 같은 처리대상 폐액 또는 폐수의 처리장치를 이용하여 잔류 유기물과 질소를 방류수기준까지 폐액 또는 폐수의 처리 방법에 있어서,
침전조(20)와 탈기조(30), 제1혐기조(40)를 순차적으로 거쳐 침전과 탈기 과정을 거친 폐액 또는 폐수의 유입수를 공기가 통하지 않는 제2혐기조(52) 내로 도입시켜 상기 제2혐기조(52) 내에서 1 내지 2시간 동안 교반시켜 혐기처리시키는 1차처리단계(S10);
상기 1차처리단계(S10)를 거치면서 1차처리된 1차처리수를 무산소조 내로 도입시켜 상기 무산소조(52) 내에서 1 내지 2시간 동안 교반시키는 2차처리단계(S20);
상기 2차처리단계(S20)를 거치면서 2차처리된 2차처리수를 호기조(53) 내로 도입시켜 상기 호기조(53) 내에서 공기 또는 산소가 풍부한 기체를 4 내지 12시간 동안 폭기시켜 호기처리시키는 3차처리단계(S30);
상기 3차처리단계(S30)를 거치면서 3차처리된 3차처리수를 침전조(54) 내로 도입시켜 상기 3차처리수를 2 내지 4시간 동안 정치하여 액상의 상등수와 고상의 슬러지로 분리시키는 침전단계(S40);
상기 침전단계(S40)에서 유출되는 상기 상등수를 황산화탈질조(51) 내로 도입시켜 1 내지 4시간 동안 황산화탈질미생물에 의해 황산화탈질처리하는 4차처리단계(S50); 및
상기 4차처리된 상기 4차처리수를 다시 상기 호기조(53) 내로 도입시켜 상기 호기조 내에서 공기 또는 산소가 풍부한 기체를 4 내지 12시간 동안 폭기시켜 호기처리시키는 5차처리단계(S60)로 구성되는 것을 특징으로 하는 유기물과 질소성분을 함유한 축산폐수, 소화폐액, 음폐수의 처리 장치를 이용한 처리방법.
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