JP4551650B2 - 生物処理装置 - Google Patents
生物処理装置 Download PDFInfo
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- JP4551650B2 JP4551650B2 JP2003401891A JP2003401891A JP4551650B2 JP 4551650 B2 JP4551650 B2 JP 4551650B2 JP 2003401891 A JP2003401891 A JP 2003401891A JP 2003401891 A JP2003401891 A JP 2003401891A JP 4551650 B2 JP4551650 B2 JP 4551650B2
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- JP
- Japan
- Prior art keywords
- magnetic powder
- sludge
- activated sludge
- solubilization
- volume reduction
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Activated Sludge Processes (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Description
Claims (5)
- 磁性粉を添加した磁性粉含有活性汚泥によって生物処理を行う生物反応槽と、該生物反応槽から流出する活性汚泥懸濁液中に含まれる磁性粉含有活性汚泥の一部を磁力によって液中から分離する磁気分離手段とを有する生物処理装置において、前記磁性粉含有活性汚泥から磁性粉を分離回収する磁性粉回収手段と、該磁性粉回収手段で分離回収した磁性粉を前記生物反応槽に返送する磁性粉返送経路と、磁性粉回収手段で磁性粉を分離した後の残汚泥を排出する汚泥排出経路とを備えていることを特徴とする生物処理装置。
- 前記磁性粉回収手段は、液体サイクロンであることを特徴とする請求項1記載の生物処理装置。
- 前記磁性粉回収手段は、前記磁性粉含有活性汚泥に対して可溶化・減容化処理を行う可溶化・減容化手段と、該可溶化・減容化手段で可溶化・減容化処理を行っている磁性粉含有活性汚泥、あるいは、該可溶化・減容化手段で可溶化・減容化処理を行った後の磁性粉含有活性汚泥から磁性粉を分離回収する液体サイクロンとを備えていることを特徴とする請求項1記載の生物処理装置。
- 前記磁性粉回収手段は、前記磁性粉含有活性汚泥に対して可溶化・減容化処理を行う可溶化・減容化手段と、該可溶化・減容化手段で可溶化・減容化処理を行っている磁性粉含有活性汚泥、あるいは、該可溶化・減容化手段で可溶化・減容化処理を行った後の磁性粉含有活性汚泥から磁気によって磁性粉を分離回収する手段とを備えていることを特徴とする請求項1記載の生物処理装置。
- 前記可溶化・減容化手段は、前記磁性粉含有活性汚泥を含む活性汚泥懸濁液に対して超音波を照射する超音波処理装置であることを特徴とする請求項3又は4記載の生物処理装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003401891A JP4551650B2 (ja) | 2003-12-01 | 2003-12-01 | 生物処理装置 |
Applications Claiming Priority (1)
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JP2003401891A JP4551650B2 (ja) | 2003-12-01 | 2003-12-01 | 生物処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005161160A JP2005161160A (ja) | 2005-06-23 |
JP4551650B2 true JP4551650B2 (ja) | 2010-09-29 |
Family
ID=34725674
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JP2003401891A Expired - Fee Related JP4551650B2 (ja) | 2003-12-01 | 2003-12-01 | 生物処理装置 |
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JP (1) | JP4551650B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2909147A1 (en) * | 2012-10-22 | 2015-08-26 | Evoqua Water Technologies LLC | Wastewater overflow systems and methods |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5217778B2 (ja) * | 2008-08-25 | 2013-06-19 | 国立大学法人秋田大学 | 余剰汚泥の粉砕方法、余剰汚泥減容化方法及び余剰汚泥の粉砕装置 |
CN103265110A (zh) * | 2013-05-10 | 2013-08-28 | 李继香 | 应用磁生物强化膜生物反应器的水处理方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57135091A (en) * | 1981-02-13 | 1982-08-20 | Akitane Kitajima | Separation of active sludge from purified water by use of magnetic force |
JPS6230597A (ja) * | 1985-07-23 | 1987-02-09 | バイエル・アクチエンゲゼルシヤフト | 汚水の生物学的処理の際にバイオマスから清澄液を分離する方法 |
JPS6380899A (ja) * | 1986-09-25 | 1988-04-11 | Miura Eng Internatl Kk | 活性汚泥による廃水処理方法 |
JPH0780491A (ja) * | 1993-09-13 | 1995-03-28 | Ishikawajima Harima Heavy Ind Co Ltd | 廃水等の生物学的処理方法 |
JPH1043786A (ja) * | 1996-07-30 | 1998-02-17 | Ishikawajima Harima Heavy Ind Co Ltd | エアレーションタンク |
-
2003
- 2003-12-01 JP JP2003401891A patent/JP4551650B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57135091A (en) * | 1981-02-13 | 1982-08-20 | Akitane Kitajima | Separation of active sludge from purified water by use of magnetic force |
JPS6230597A (ja) * | 1985-07-23 | 1987-02-09 | バイエル・アクチエンゲゼルシヤフト | 汚水の生物学的処理の際にバイオマスから清澄液を分離する方法 |
JPS6380899A (ja) * | 1986-09-25 | 1988-04-11 | Miura Eng Internatl Kk | 活性汚泥による廃水処理方法 |
JPH0780491A (ja) * | 1993-09-13 | 1995-03-28 | Ishikawajima Harima Heavy Ind Co Ltd | 廃水等の生物学的処理方法 |
JPH1043786A (ja) * | 1996-07-30 | 1998-02-17 | Ishikawajima Harima Heavy Ind Co Ltd | エアレーションタンク |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2909147A1 (en) * | 2012-10-22 | 2015-08-26 | Evoqua Water Technologies LLC | Wastewater overflow systems and methods |
EP2909147A4 (en) * | 2012-10-22 | 2016-03-30 | Evoqua Water Technologies Llc | WASTEWATER OVERFLOW SYSTEMS AND METHODS |
US10106446B2 (en) | 2012-10-22 | 2018-10-23 | Evoqua Water Technologies Llc | Wastewater overflow systems and methods |
Also Published As
Publication number | Publication date |
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JP2005161160A (ja) | 2005-06-23 |
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