JP2012045488A5 - - Google Patents
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- JP2012045488A5 JP2012045488A5 JP2010189960A JP2010189960A JP2012045488A5 JP 2012045488 A5 JP2012045488 A5 JP 2012045488A5 JP 2010189960 A JP2010189960 A JP 2010189960A JP 2010189960 A JP2010189960 A JP 2010189960A JP 2012045488 A5 JP2012045488 A5 JP 2012045488A5
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本発明の水処理装置は、被処理水をろ過して一次処理水を排出する膜分離活性汚泥処理部と、前記一次処理水をろ過して濃縮水と二次処理水とに分離するＲＯ膜と、前記膜分離活性汚泥処理部と前記ＲＯ膜の間に並列接続し、前記一次処理水を貯水する複数の貯水槽と、を備え、前記貯水槽の少なくとも１つは、前記ＲＯ膜に洗浄液を供給可能な薬品供給手段及び前記ＲＯ膜から排出された前記二次処理水を供給可能な還流経路と接続していることを特徴としている。 The water treatment apparatus of the present invention includes a membrane separation activated sludge treatment section that filters treated water and discharges primary treated water, and an RO membrane that filters the primary treated water and separates it into concentrated water and secondary treated water. And a plurality of water storage tanks connected in parallel between the membrane separation activated sludge treatment section and the RO membrane, and storing the primary treated water, wherein at least one of the water storage tanks has a cleaning liquid in the RO membrane. And a recirculation path capable of supplying the secondary treated water discharged from the RO membrane.
この場合において、前記薬品供給手段は、前記膜分離活性汚泥処理部と前記貯水槽の間の供給経路に接続し前記膜分離活性汚泥処理部に薬品を供給可能に形成しているとよい。
上記構成により、膜分離活性汚泥処理部とＲＯ膜の薬品供給手段を１つの水槽で共有することができ、装置全体の低コスト化、省スペース化を図ることができる。
In this case, the chemical supply means may be connected to a supply path between the membrane separation activated sludge treatment section and the water storage tank so as to supply chemicals to the membrane separation activated sludge treatment section .
With the above-described configuration, the membrane separation activated sludge treatment unit and the RO membrane chemical supply means can be shared by one water tank, so that the overall cost of the apparatus can be reduced and the space can be saved.
本発明の水処理装置の運転方法は、被処理水をろ過して一次処理水を排出する膜分離活性汚泥処理部と、前記一次処理水をろ過して濃縮水と二次処理水とに分離するＲＯ膜と、前記膜分離活性汚泥処理部と前記ＲＯ膜の間に並列接続させた第１及び第２の貯水槽と、を備え、前記第１及び第２の貯水槽のいずれか一方は、前記ＲＯ膜に薬品を供給可能な薬品供給手段及び前記ＲＯ膜から排出された前記二次処理水を供給可能な還流経路と接続している水処理装置の運転方法であって、前記ＲＯ膜の二次処理水の一部を前記還流経路が接続された第１又は第２の貯水槽に還流することを特徴としている。 The operation method of the water treatment apparatus of the present invention includes a membrane separation activated sludge treatment section that filters treated water and discharges primary treated water, and separates the primary treated water into concentrated water and secondary treated water by filtering the primary treated water. RO membrane, and the first and second water storage tanks connected in parallel between the membrane separation activated sludge treatment section and the RO membrane, and either one of the first and second water storage tanks is A method of operating a water treatment apparatus connected to a chemical supply means capable of supplying chemicals to the RO membrane and a reflux path capable of supplying the secondary treated water discharged from the RO membrane, A part of the secondary treated water is returned to the first or second water tank to which the reflux path is connected.
Claims (7)
前記ＲＯ膜の前段で並列接続し、前記一次処理水を貯水する複数の貯水槽と、
を備え、
前記貯水槽の少なくとも１つは、前記ＲＯ膜に洗浄液を供給可能な薬品供給手段及び前記ＲＯ膜から排出された前記二次処理水を供給可能な還流経路と接続していることを特徴とする水処理装置。 RO membrane that separates primary treated water into concentrated water and secondary treated water,
A plurality of water tanks connected in parallel at the front stage of the RO membrane and storing the primary treated water;
With
At least one of the water storage tanks is connected to a chemical supply means capable of supplying a cleaning liquid to the RO membrane and a reflux path capable of supplying the secondary treated water discharged from the RO membrane. Water treatment equipment.
前記一次処理水をろ過して濃縮水と二次処理水とに分離するＲＯ膜と、
前記膜分離活性汚泥処理部と前記ＲＯ膜の間に並列接続し、前記一次処理水を貯水する複数の貯水槽と、を備え、
前記貯水槽の少なくとも１つは、前記ＲＯ膜に洗浄液を供給可能な薬品供給手段及び前記ＲＯ膜から排出された前記二次処理水を供給可能な還流経路と接続していることを特徴とする水処理装置。 A membrane-separated activated sludge treatment section that filters treated water and discharges primary treated water;
RO membrane that separates the primary treated water into concentrated water and secondary treated water by filtration;
A plurality of storage tanks connected in parallel between the membrane separation activated sludge treatment section and the RO membrane, and storing the primary treated water;
At least one of the water storage tanks is connected to a chemical supply means capable of supplying a cleaning liquid to the RO membrane and a reflux path capable of supplying the secondary treated water discharged from the RO membrane. Water treatment equipment.
前記ＲＯ膜の前段で並列接続し、前記一次処理水を貯水する複数の貯水槽と、
を備え、
前記貯水槽の少なくとも１つは、前記ＲＯ膜に洗浄液を供給可能な薬品供給手段及び前記ＲＯ膜から排出された前記二次処理水を供給可能な還流経路と接続している水処理装置の運転方法であって、
前記ＲＯ膜から排出された二次処理水の一部を前記還流経路が接続された前記貯水槽に還流する工程と、
前記還流経路が接続された前記貯水槽から前記二次処理水を前記ＲＯ膜に供給してフラッシングする工程と、
前記薬品供給手段が接続された前記貯水槽から洗浄液を前記ＲＯ膜に供給し、前記ＲＯ膜から排出された前記洗浄液を前記還流経路が接続された前記貯水槽に還流し、前記ＲＯ膜と前記薬品供給手段が接続された前記貯水槽間を循環させて洗浄する工程と、
を切り替えて行うことを特徴とする水処理装置の運転方法。 RO membrane that separates primary treated water into concentrated water and secondary treated water,
A plurality of water tanks connected in parallel at the front stage of the RO membrane and storing the primary treated water;
With
At least one of the water storage tanks operates a water treatment apparatus connected to a chemical supply means capable of supplying a cleaning liquid to the RO membrane and a reflux path capable of supplying the secondary treated water discharged from the RO membrane. A method,
Returning a part of the secondary treated water discharged from the RO membrane to the water tank to which the reflux path is connected;
Supplying the secondary treated water from the water tank to which the reflux path is connected to the RO membrane and performing flushing;
The cleaning liquid is supplied to the RO membrane from the water tank to which the chemical supply means is connected, and the cleaning liquid discharged from the RO membrane is returned to the water tank to which the reflux path is connected, and the RO membrane and the Circulating and cleaning between the water tanks connected with chemical supply means;
A method for operating a water treatment apparatus, wherein the water treatment apparatus is switched.
前記一次処理水をろ過して濃縮水と二次処理水とに分離するＲＯ膜と、
前記膜分離活性汚泥処理部と前記ＲＯ膜の間に並列接続させた第１及び第２の貯水槽と、を備え、
前記第１及び第２の貯水槽のいずれか一方は、前記ＲＯ膜に洗浄液を供給可能な薬品供給手段及び前記ＲＯ膜から排出された前記二次処理水を供給可能な還流経路と接続している水処理装置の運転方法であって、
前記ＲＯ膜の二次処理水の一部を前記還流経路が接続された第１又は第２の貯水槽に還流することを特徴とする水処理装置の運転方法。 A membrane-separated activated sludge treatment section that filters treated water and discharges primary treated water;
RO membrane that separates the primary treated water into concentrated water and secondary treated water by filtration;
First and second water storage tanks connected in parallel between the membrane separation activated sludge treatment section and the RO membrane,
Either one of the first and second water storage tanks is connected to a chemical supply means capable of supplying a cleaning liquid to the RO membrane and a reflux path capable of supplying the secondary treated water discharged from the RO membrane. A method for operating a water treatment device,
A method of operating a water treatment apparatus, wherein a part of the secondary treated water of the RO membrane is returned to the first or second water storage tank to which the reflux path is connected.
前記ＲＯ膜から排出された前記洗浄液を前記還流経路が接続された前記第１又は第２の貯水槽に還流し、前記ＲＯ膜と前記薬品供給手段が接続された前記第１又は第２の貯水槽間を循環させて洗浄することを特徴とする請求項５に記載の水処理装置の運転方法。 Supplying cleaning liquid to the RO membrane from the first or second water tank to which the chemical supply means is connected;
The cleaning liquid discharged from the RO membrane is returned to the first or second water storage tank connected to the reflux path, and the first or second water storage is connected to the RO membrane and the chemical supply means. The operation method of the water treatment apparatus according to claim 5, wherein cleaning is performed by circulating between the tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010189960A JP2012045488A (en) | 2010-08-26 | 2010-08-26 | Water treatment apparatus and method for operation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010189960A JP2012045488A (en) | 2010-08-26 | 2010-08-26 | Water treatment apparatus and method for operation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012045488A JP2012045488A (en) | 2012-03-08 |
| JP2012045488A5 true JP2012045488A5 (en) | 2012-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010189960A Pending JP2012045488A (en) | 2010-08-26 | 2010-08-26 | Water treatment apparatus and method for operation thereof |
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| Country | Link |
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| JP (1) | JP2012045488A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143263B (en) * | 2011-12-07 | 2015-07-22 | 中国石油化工股份有限公司 | Cleaning agent composition and cleaning method for reverse osmosis membrane |
| CN103159381A (en) * | 2013-04-11 | 2013-06-19 | 杭州天创环境科技股份有限公司 | Fine chemical wastewater treatment and reuse method |
| JP6344114B2 (en) * | 2014-07-23 | 2018-06-20 | 栗田工業株式会社 | Water treatment apparatus and water treatment equipment cleaning method |
| CN107349793B (en) * | 2017-07-12 | 2020-05-26 | 天津大学 | System and method for off-line chemical cleaning of MBR (membrane bioreactor) membrane group device on line |
| CN111533250A (en) * | 2020-04-30 | 2020-08-14 | 农业部沼气科学研究所 | Method for treating biogas slurry |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61136404A (en) * | 1984-12-05 | 1986-06-24 | Nec Kansai Ltd | Liquid filtering apparatus |
| JP2000126767A (en) * | 1998-10-21 | 2000-05-09 | Toray Ind Inc | Method and apparatus for producing purified water |
| JP2000254459A (en) * | 1999-03-05 | 2000-09-19 | Sumitomo Heavy Ind Ltd | Method for washing solid-liquid separation element and solid-liquid separator |
| JP2002307058A (en) * | 2001-04-17 | 2002-10-22 | Ebara Corp | Pure water producing apparatus using reverse osmosis membrane module, and method of using the same |
| JP4793635B2 (en) * | 2006-03-01 | 2011-10-12 | 株式会社日立プラントテクノロジー | Recycling method of organic wastewater |
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- 2010-08-26 JP JP2010189960A patent/JP2012045488A/en active Pending
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