JP2012121005A5 - Waste water treatment apparatus and waste water treatment method - Google Patents

Waste water treatment apparatus and waste water treatment method Download PDF

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JP2012121005A5
JP2012121005A5 JP2010275743A JP2010275743A JP2012121005A5 JP 2012121005 A5 JP2012121005 A5 JP 2012121005A5 JP 2010275743 A JP2010275743 A JP 2010275743A JP 2010275743 A JP2010275743 A JP 2010275743A JP 2012121005 A5 JP2012121005 A5 JP 2012121005A5
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biological treatment
treatment tank
tank
mlss
sludge
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JP5746853B2 (en
JP2012121005A (en
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Priority claimed from JP2010275743A external-priority patent/JP5746853B2/en
Priority to PCT/JP2011/068317 priority patent/WO2012077381A1/en
Priority to CN201180054810.XA priority patent/CN103209931B/en
Priority to TW100135632A priority patent/TWI526403B/en
Publication of JP2012121005A publication Critical patent/JP2012121005A/en
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ＢＯＤ成分を含む有機性排水を生物汚泥により生物処理する反応槽と、前記反応槽で得られた処理水を前記汚泥と分離する汚泥分離槽と、を有する排水処理装置であって、
前記反応槽は、無酸素生物処理槽と、前記生物処理に必要な酸素が供給される第１生物処理槽及び第２生物処理槽と、を含み、
前記有機性排水は前記第１生物処理槽に連続的に流入され、前記第１生物処理槽及び前記第２生物処理槽で生物処理され、
前記汚泥分離槽内の汚泥は、前記第２生物処理槽及び前記無酸素生物処理槽へ返送され、
前記無酸素生物処理槽内の汚泥は、少なくとも前記第１生物処理槽に供給され、
前記第１生物処理槽内のＭＬＳＳ濃度は前記第２生物処理槽内のＭＬＳＳ濃度より小さく、前記第１生物処理槽のＭＬＳＳ負荷は、前記第２生物処理槽のＭＬＳＳ負荷より高いことを特徴とする排水処理装置。 A wastewater treatment apparatus comprising: a reaction tank for biological treatment of organic wastewater containing a BOD component with biological sludge; and a sludge separation tank for separating treated water obtained in the reaction tank from the sludge,
The reaction tank includes an anoxic biological treatment tank, and a first biological treatment tank and a second biological treatment tank to which oxygen necessary for the biological treatment is supplied,
The organic wastewater is continuously flowed into the first biological treatment tank and subjected to biological treatment in the first biological treatment tank and the second biological treatment tank,
The sludge in the sludge separation tank is returned to the second biological treatment tank and the oxygen-free biological treatment tank,
The sludge in the anoxic biological treatment tank is supplied to at least the first biological treatment tank,
The MLSS concentration in the first biological treatment tank is smaller than the MLSS concentration in the second biological treatment tank, and the MLSS load of the first biological treatment tank is higher than the MLSS load of the second biological treatment tank. Waste water treatment equipment. 前記第１生物処理槽のＭＬＳＳ負荷は、０．８ｋｇＢＯＤ／ｋｇＭＬＳＳ／ｄ以上の範囲であり、前記第２生物処理槽のＭＬＳＳ負荷は、０．５ｋｇＢＯＤ／ｋｇＭＬＳＳ／ｄ以下の範囲であることを特徴とする請求項１記載の排水処理装置。   The MLSS load of the first biological treatment tank is in the range of 0.8 kg BOD / kg MLSS / d or more, and the MLSS load of the second biological treatment tank is in the range of 0.5 kg BOD / kg MLSS / d or less The waste water treatment apparatus according to claim 1. 前記第１生物処理槽のＭＬＳＳ負荷は、１．８ｋｇＢＯＤ／ｋｇＭＬＳＳ／ｄ以上の範囲であり、前記第２生物処理槽のＭＬＳＳ負荷は、０．５ｋｇＢＯＤ／ｋｇＭＬＳＳ／ｄ以下の範囲であることを特徴とする請求項１記載の排水処理装置。The MLSS load of the first biological treatment tank is in the range of 1.8 kg BOD / kg MLSS / d or more, and the MLSS load of the second biological treatment tank is in the range of 0.5 kg BOD / kg MLSS / d or less The waste water treatment apparatus according to claim 1. 前記第１生物処理槽及び前記第２生物処理槽の被処理水の滞留時間の合計が３時間以上であることを特徴とする請求項１〜３のいずれか１項に記載の排水処理装置。 The sum total of the residence time of the to-be-processed water of a said 1st biological treatment tank and a said 2nd biological treatment tank is 3 hours or more, The waste-water-treatment apparatus of any one of the Claims 1-3 characterized by the above-mentioned. 前記無酸素生物処理槽の被処理水の滞留時間が１．４時間以上５．８時間以下であることを特徴とする請求項１記載の排水処理装置。The retention time of the to-be-processed water of the said anoxic biological treatment tank is 1.4 to 5.8 hours, The waste-water-treatment apparatus of Claim 1 characterized by the above-mentioned. ＢＯＤ成分を含む有機性排水を生物汚泥により生物処理する反応槽と、前記反応槽で得られた処理水を前記汚泥と分離する汚泥分離槽と、を有する排水処理装置を用いた排水処理方法であって、A wastewater treatment method using a wastewater treatment apparatus comprising: a reaction tank for biological treatment of organic wastewater containing a BOD component with biological sludge; and a sludge separation tank for separating treated water obtained in the reaction tank from the sludge There,
前記反応槽は、無酸素生物処理槽と、前記生物処理に必要な酸素が供給される第１生物処理槽及び第２生物処理槽と、を含み、The reaction tank includes an anoxic biological treatment tank, and a first biological treatment tank and a second biological treatment tank to which oxygen necessary for the biological treatment is supplied,
前記有機性排水を前記第１生物処理槽に連続的に流入させ、前記第１生物処理槽及び前記第２生物処理槽で生物処理し、The organic waste water is continuously flowed into the first biological treatment tank, and biological treatment is performed in the first biological treatment tank and the second biological treatment tank,
前記汚泥分離槽内の汚泥を前記第２生物処理槽及び前記無酸素生物処理槽へ返送し、The sludge in the sludge separation tank is returned to the second biological treatment tank and the oxygen-free biological treatment tank,
前記無酸素生物処理槽内の汚泥を少なくとも前記第１生物処理槽に供給し、Supplying the sludge in the anoxic biological treatment tank to at least the first biological treatment tank;
前記第１生物処理槽内のＭＬＳＳ濃度を前記第２生物処理槽内のＭＬＳＳ濃度より小さくし、前記第１生物処理槽のＭＬＳＳ負荷を前記第２生物処理槽のＭＬＳＳ負荷より高くすることを特徴とする排水処理方法。The MLSS concentration in the first biological treatment tank is smaller than the MLSS concentration in the second biological treatment tank, and the MLSS load of the first biological treatment tank is higher than the MLSS load of the second biological treatment tank. Waste water treatment method.
JP2010275743A 2010-12-10 2010-12-10 Waste water treatment apparatus and waste water treatment method Active JP5746853B2 (en)

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JP2010275743A JP5746853B2 (en) 2010-12-10 2010-12-10 Waste water treatment apparatus and waste water treatment method
PCT/JP2011/068317 WO2012077381A1 (en) 2010-12-10 2011-08-10 Wastewater treatment device
CN201180054810.XA CN103209931B (en) 2010-12-10 2011-08-10 Drain treatment apparatus
TW100135632A TWI526403B (en) 2010-12-10 2011-09-30 Wastewater treating apparatus

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JP2012121005A5 true JP2012121005A5 (en) 2013-12-05
JP5746853B2 JP5746853B2 (en) 2015-07-08

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JP6605843B2 (en) * 2015-05-27 2019-11-13 オルガノ株式会社 Waste water treatment method and waste water treatment equipment
TWI693196B (en) 2015-03-31 2020-05-11 日商奧璐佳瑙股份有限公司 Method of forming aerobic granules, device for forming aerobic granules, wastewater treatment method, and wastewater treatment device
JP2017077523A (en) * 2015-10-20 2017-04-27 株式会社神鋼環境ソリューション Biological waste water treatment method
JP6622093B2 (en) 2016-01-12 2019-12-18 オルガノ株式会社 Granule formation method and waste water treatment method

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