JP6614253B2 - 好気性生物処理装置及びその運転方法 - Google Patents
好気性生物処理装置及びその運転方法 Download PDFInfo
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- JP6614253B2 JP6614253B2 JP2018028195A JP2018028195A JP6614253B2 JP 6614253 B2 JP6614253 B2 JP 6614253B2 JP 2018028195 A JP2018028195 A JP 2018028195A JP 2018028195 A JP2018028195 A JP 2018028195A JP 6614253 B2 JP6614253 B2 JP 6614253B2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 97
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- 229910052760 oxygen Inorganic materials 0.000 claims description 63
- 239000001301 oxygen Substances 0.000 claims description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 62
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
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- 229910021536 Zeolite Inorganic materials 0.000 description 1
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- 239000000227 bioadhesive Substances 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 235000010410 calcium alginate Nutrition 0.000 description 1
- 229960002681 calcium alginate Drugs 0.000 description 1
- 239000000648 calcium alginate Substances 0.000 description 1
- OKHHGHGGPDJQHR-YMOPUZKJSA-L calcium;(2s,3s,4s,5s,6r)-6-[(2r,3s,4r,5s,6r)-2-carboxy-6-[(2r,3s,4r,5s,6r)-2-carboxylato-4,5,6-trihydroxyoxan-3-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate Chemical compound [Ca+2].O[C@@H]1[C@H](O)[C@H](O)O[C@@H](C([O-])=O)[C@H]1O[C@H]1[C@@H](O)[C@@H](O)[C@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@H](O2)C([O-])=O)O)[C@H](C(O)=O)O1 OKHHGHGGPDJQHR-YMOPUZKJSA-L 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 150000002926 oxygen Chemical class 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
-
- 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
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
-
- 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
Description
生物担体としては、活性炭が好適である。
酸素含有ガスは空気、酸素富化空気、純酸素等、酸素を含む気体であればよい。通気する気体はフィルターを通過させて微細粒子を予め除去することが望ましい。
被処理水の流速はLV7m/hr以上とし、処理水を循環するのが好ましい。
槽負荷0.5〜4kg−TOC/m3/dayとなるように滞留時間を設定するのが好ましい。
ブロワは、吐出風圧が水深からくる水圧以下のもので十分である。但し、配管等の圧損以上であることは必要である。通常、配管抵抗は1〜2kPa程度である。
2 反応槽
6 酸素溶解膜モジュール
8 原水管
8A 第1原水供給管
8B 第2原水供給管
13 DO計
20,21 ヘッダー
22 中空糸膜
26 ブロワ
27 給気配管
28 排ガス配管
Claims (6)
- 反応槽と、
該反応槽内に充填された流動床担体と、
該反応槽内に原水を上向流通水させるように該反応槽の下部に原水を供給する第1の原水供給手段と、
該反応槽内に設置された、酸素を該反応槽内の水に供給するための非多孔質の酸素溶解膜を有する酸素溶解膜モジュールと、
該酸素溶解膜モジュールに酸素含有ガスを供給する酸素含有ガス供給手段と、
該酸素溶解膜モジュールに供給された酸素含有ガスのうち前記酸素溶解膜に溶解しなかった残部よりなる排ガスを前記反応槽外に排出する排ガス配管と、
原水の一部を酸素溶解膜モジュールの上下方向の途中高さの反応槽内に供給する第2の原水供給手段と
を備えてなる好気性生物処理装置。 - 酸素溶解膜が疎水性である請求項1に記載の好気性生物処理装置。
- 酸素溶解膜が上下方向に設けられた中空糸膜であり、前記酸素含有ガス供給手段は、酸素含有ガスを該中空糸膜の下部に供給し、中空糸膜内を下側から上側へ流通させるように構成されていることを特徴とする請求項1又は2の好気性生物処理装置。
- 前記中空糸膜内に前記酸素含有ガスが供給され、酸素分子が該中空糸膜に溶解し、酸素分子として前記反応槽内の水に直接に溶解する請求項1〜3のいずれかの好気性生物処理装置。
- 請求項1〜4のいずれかの好気性生物処理装置の運転方法であって、
前記反応槽の上部の処理水又は該反応槽から流出する処理水の溶存酸素濃度を測定し、この溶存酸素濃度が所定濃度となるように酸素含有ガス供給手段を制御する好気性生物処理装置の運転方法。 - 前記溶存酸素濃度が0.01〜1mg/Lとなるように制御を行う請求項5の好気性生物処理装置の運転方法。
Priority Applications (3)
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JP2018028195A JP6614253B2 (ja) | 2018-02-20 | 2018-02-20 | 好気性生物処理装置及びその運転方法 |
PCT/JP2019/002698 WO2019163424A1 (ja) | 2018-02-20 | 2019-01-28 | 好気性生物処理装置及びその運転方法 |
TW108103801A TW201940688A (zh) | 2018-02-20 | 2019-01-31 | 好氧生物處理裝置及其運轉方法 |
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JP2018028195A JP6614253B2 (ja) | 2018-02-20 | 2018-02-20 | 好気性生物処理装置及びその運転方法 |
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JP2019141781A JP2019141781A (ja) | 2019-08-29 |
JP6614253B2 true JP6614253B2 (ja) | 2019-12-04 |
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JP (1) | JP6614253B2 (ja) |
TW (1) | TW201940688A (ja) |
WO (1) | WO2019163424A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111982746B (zh) * | 2020-07-16 | 2021-06-11 | 北京城市排水集团有限责任公司 | 一种曝气装置的曝气性能评价方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6384693A (ja) * | 1986-09-26 | 1988-04-15 | Ishikawajima Harima Heavy Ind Co Ltd | 流動床式汚水処理装置 |
JPS6490093A (en) * | 1987-10-01 | 1989-04-05 | Komatsu Mfg Co Ltd | Apparatus for treating waste water |
US5034164A (en) * | 1989-10-02 | 1991-07-23 | Semmens Michael J | Bubbleless gas transfer device and process |
JPH07112190A (ja) * | 1993-10-19 | 1995-05-02 | Tonen Corp | 生物濾過装置 |
JP2005034739A (ja) * | 2003-07-15 | 2005-02-10 | Mitsubishi Rayon Co Ltd | 排水処理方法 |
EP2377819B1 (en) * | 2008-12-28 | 2015-07-08 | Metawater Co., Ltd. | Method for removing biological nitrogen |
JP5883698B2 (ja) * | 2012-03-29 | 2016-03-15 | 水ing株式会社 | 排水処理方法 |
JP2013208556A (ja) * | 2012-03-30 | 2013-10-10 | Kurita Water Ind Ltd | 有機性排水の生物処理方法及び装置 |
TW201420517A (zh) * | 2013-09-17 | 2014-06-01 | Leaderman & Associates Co Ltd | 含氫氧化四甲基銨及氨氮之廢液的處理方法及其處理裝置 |
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2018
- 2018-02-20 JP JP2018028195A patent/JP6614253B2/ja active Active
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2019
- 2019-01-28 WO PCT/JP2019/002698 patent/WO2019163424A1/ja active Application Filing
- 2019-01-31 TW TW108103801A patent/TW201940688A/zh unknown
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JP2019141781A (ja) | 2019-08-29 |
WO2019163424A1 (ja) | 2019-08-29 |
TW201940688A (zh) | 2019-10-16 |
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