JP7454303B1 - 浄水処理システム、浄水処理方法およびフルボ酸の分解処理方法 - Google Patents
浄水処理システム、浄水処理方法およびフルボ酸の分解処理方法 Download PDFInfo
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Abstract
Description
・被処理水(試料):某地区の河川水を水源とする浄水場の水(浄水処理前の水)
・被処理水中の処理対象物:フルボ酸
・酸化剤添加部:過酸化水素水(濃度30%)
・第1の光照射部:波長320nm
・第2の光照射部:波長254nm
試験に供された試料が原水のみの場合、波長320nmの光照射によってフルボ酸の蛍光スペクトルの強度が低下することが確認された。低下幅は、1回の光照射につき、3%程度であった。
試料の原水に過酸化水素水が加えられ場合、波長320nmの光照射によってフルボ酸の蛍光スペクトルの強度が低下することが確認された。低下幅は、原水のみの場合(結果1)に比べて大きく、同一試料への繰り返し光照射の場合、フルボ酸の蛍光スペクトルの強度の低下が継続することが確認された。
照射1回目:100
照射2回目: 37
照射3回目: 21
照射4回目: 15
照射5回目: 8
試料の原水に過酸化水素水が加えられ、波長320nmの光照射、波長254nmの光照射がなされた場合のフルボ酸の蛍光スペクトルの強度(初回を100とした場合)の測定結果の一例は以下の通りである。
照射1回目:100 (波長320nmの光照射)
照射2回目: 40 (波長320nmの光照射)
照射3回目: 24 (波長320nmの光照射)
照射4回目: 17 (波長320nmの光照射)
照射5回目: 16 (波長254nmの光照射、その後波長320nmで測定)
照射6回目: 13 (波長254nmの光照射、その後波長320nmで測定)
照射7回目: 12 (波長254nmの光照射、その後波長320nmで測定)
光のエネルギー:波長254nmの光>波長320nmの光
過酸化水素の反応性:波長254nmの光照射下>波長320nmの光照射下
32 第1の光照射部
33 第2の光照射部
Claims (4)
- 浄水処理システムであって、
フルボ酸を含む被処理水に過酸化水素を添加する過酸化水素添加部と、
前記過酸化水素添加部からの被処理水に320nmの波長の光を照射して前記フルボ酸を分解する第1の光照射部と、
前記第1の光照射部からの被処理水に254nmの波長の光を照射する第2の光照射部と、
を有する浄水処理システム。 - 請求項1に記載の浄水処理システムにおいて、前記第1の光照射部が前記被処理水を攪拌する攪拌機能を有し、
前記攪拌機能が攪拌用のスクリュー、攪拌子または振動発生器のいずれかによって実現されることを特徴とする浄水処理システム。 - 浄水処理方法であって、
フルボ酸を含む被処理水に過酸化水素の添加と、320nmの波長の光を照射して前記フルボ酸の分解と、を行う第1のステップと、
前記第1のステップ後の前記被処理水に、254nmの波長の光を照射する第2のステップと、
を含む浄水処理方法。 - 請求項3に記載の浄水処理方法において、前記第1のステップで前記被処理水を攪拌することを含むことを特徴とする浄水処理方法。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5688378A (en) | 1993-10-22 | 1997-11-18 | Crc For Waste Management & Pollution Control | Photoassisted oxidation of species in solution |
JP2000237770A (ja) | 1999-02-17 | 2000-09-05 | Ebara Corp | 粉末活性炭と光触媒による水の浄化方法 |
JP2009262122A (ja) | 2008-03-31 | 2009-11-12 | Panasonic Corp | 水処理装置 |
JP2014516776A (ja) | 2011-05-06 | 2014-07-17 | ミオックス コーポレーション | 塩素または混合酸化剤溶液および紫外光を使用する有機汚染物質の分解 |
CN108129524A (zh) | 2017-12-05 | 2018-06-08 | 曲靖师范学院 | 一种复合光催化剂活化低阶煤制备黄腐酸盐的方法 |
EP3530638A1 (en) | 2016-10-21 | 2019-08-28 | Fertinagro Biotech, S.L. | Improved method for extracting humic substances from carbon |
JP2020179376A (ja) | 2019-04-26 | 2020-11-05 | 三菱電機株式会社 | 殺菌装置および給湯装置 |
CN115304785A (zh) | 2022-08-26 | 2022-11-08 | 安徽富里馨生物科技有限公司 | 一种风化煤提取富里酸的方法 |
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2023
- 2023-04-05 JP JP2023061314A patent/JP7454303B1/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5688378A (en) | 1993-10-22 | 1997-11-18 | Crc For Waste Management & Pollution Control | Photoassisted oxidation of species in solution |
JP2000237770A (ja) | 1999-02-17 | 2000-09-05 | Ebara Corp | 粉末活性炭と光触媒による水の浄化方法 |
JP2009262122A (ja) | 2008-03-31 | 2009-11-12 | Panasonic Corp | 水処理装置 |
JP2014516776A (ja) | 2011-05-06 | 2014-07-17 | ミオックス コーポレーション | 塩素または混合酸化剤溶液および紫外光を使用する有機汚染物質の分解 |
EP3530638A1 (en) | 2016-10-21 | 2019-08-28 | Fertinagro Biotech, S.L. | Improved method for extracting humic substances from carbon |
CN108129524A (zh) | 2017-12-05 | 2018-06-08 | 曲靖师范学院 | 一种复合光催化剂活化低阶煤制备黄腐酸盐的方法 |
JP2020179376A (ja) | 2019-04-26 | 2020-11-05 | 三菱電機株式会社 | 殺菌装置および給湯装置 |
CN115304785A (zh) | 2022-08-26 | 2022-11-08 | 安徽富里馨生物科技有限公司 | 一种风化煤提取富里酸的方法 |
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