JP4192079B2 - 汚泥処理装置及び汚泥処理方法 - Google Patents
汚泥処理装置及び汚泥処理方法 Download PDFInfo
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- JP4192079B2 JP4192079B2 JP2003396844A JP2003396844A JP4192079B2 JP 4192079 B2 JP4192079 B2 JP 4192079B2 JP 2003396844 A JP2003396844 A JP 2003396844A JP 2003396844 A JP2003396844 A JP 2003396844A JP 4192079 B2 JP4192079 B2 JP 4192079B2
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- sludge
- tank
- solid
- reaction tank
- liquid separation
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- 239000010802 sludge Substances 0.000 title claims description 157
- 238000000034 method Methods 0.000 title claims description 32
- 238000000926 separation method Methods 0.000 claims description 60
- 239000007788 liquid Substances 0.000 claims description 48
- 238000006243 chemical reaction Methods 0.000 claims description 46
- 238000002156 mixing Methods 0.000 claims description 39
- 238000005273 aeration Methods 0.000 claims description 22
- 239000002904 solvent Substances 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 15
- 238000005119 centrifugation Methods 0.000 claims description 6
- 230000003381 solubilizing effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000003756 stirring Methods 0.000 description 9
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- 239000000463 material Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
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- 230000003247 decreasing effect Effects 0.000 description 3
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Images
Classifications
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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
- Y02W10/20—Sludge processing
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- Treatment Of Sludge (AREA)
- Crushing And Grinding (AREA)
Description
図1に示した運転フローで汚泥減量の効果を調べる試験を行った。供給汚泥は、食品排水処理施設から発生する有機性汚泥を使用し、この汚泥の濃度は5000mg/L、処理量は400〜900L/日であった。
可溶化装置に、「スリットタイプのメディア攪拌型湿式粉砕機」の三井鉱山(株)製の湿式ボールミル(型式SC−220型、ロータピンつきロータ φ202×43、ケーシング内容積2.95L)を使用した以外は、実施例1と同様に、図1に示した運転フローで汚泥減量の効果を調べる試験を行った。
10 反応槽
11 混合槽
12 固液分離槽
13 可溶化装置
Claims (6)
- 可溶化汚泥の好気性曝気処理を行う反応槽と、前記反応槽で好気性曝気処理して生成した反応槽汚泥と外部の活性汚泥処理施設で発生する余剰汚泥とを混合する混合槽と、混合槽から送られる反応槽汚泥と余剰汚泥との混合液を固液分離する固液分離槽と、固液分離槽で分離した汚泥を可溶化する可溶化装置とを設けてなる汚泥処理装置であって、前記可溶化装置が、前記固液分離槽で分離した汚泥を連続して破砕・可溶化できる構造を持つと共に、破砕・可溶化された汚泥とメディアとの分離に分離用のセパレータを持たず遠心分離による分離機構を持つ湿式ボールミルからなる汚泥処理装置。
- 可溶化汚泥の好気性曝気処理を行う反応槽と、前記反応槽で好気性曝気処理して生成した反応槽汚泥と外部の活性汚泥処理施設で発生する余剰汚泥とを混合する混合槽と、混合槽から送られる反応槽汚泥と余剰汚泥との混合液を固液分離する固液分離槽と、固液分離槽で分離した汚泥を可溶化する可溶化装置とを設けてなる汚泥処理装置において、可溶化装置の湿式ボールミルにより固液分離槽で分離した汚泥を破砕・可溶化すると共に、破砕・可溶化された汚泥とメディアとの分離を遠心分離により行い、分離された可溶化汚泥を反応槽へ導入し、曝気処理することにより汚泥を減量化する汚泥処理方法。
- 反応槽において、可溶化汚泥を好気性曝気処理すると共に硝化処理する請求項2に記載の汚泥処理方法。
- 反応槽において可溶化汚泥を曝気処理した後、混合槽において無酸素条件下での運転により脱窒処理を行う請求項2に記載の汚泥処理方法。
- 反応槽にて曝気処理された反応槽汚泥と、固液分離槽で分離した汚泥とを混合槽で混合する請求項2に記載の汚泥処理方法。
- 固液分離を膜分離により行う請求項2に記載の汚泥処理方法。
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JP2003396844A JP4192079B2 (ja) | 2003-11-27 | 2003-11-27 | 汚泥処理装置及び汚泥処理方法 |
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JP2005152823A JP2005152823A (ja) | 2005-06-16 |
JP4192079B2 true JP4192079B2 (ja) | 2008-12-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102260031A (zh) * | 2011-07-04 | 2011-11-30 | 广州市畅通管道工程有限公司 | 流动式管渠污泥处理装置及方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100948336B1 (ko) * | 2009-10-19 | 2010-03-22 | 이자빈 | 축산폐수 및 분뇨의 전처리장치 |
CN105036306B (zh) * | 2015-07-22 | 2017-06-16 | 泰州明锋资源再生科技有限公司 | 多功能污泥处理曝气池 |
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- 2003-11-27 JP JP2003396844A patent/JP4192079B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102260031A (zh) * | 2011-07-04 | 2011-11-30 | 广州市畅通管道工程有限公司 | 流动式管渠污泥处理装置及方法 |
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