JP6532471B2 - 水処理装置及び水処理方法 - Google Patents
水処理装置及び水処理方法 Download PDFInfo
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/213—Measuring of the properties of the mixtures, e.g. temperature, density or colour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Description
図1は、本発明の第1の実施の形態に係る水処理装置の概略図である。図1に示すように、本実施の形態に係る水処理装置1は、被処理水W1を被処理水濾過部11で濾過して得た濾過水W2を、逆浸透膜濾過部12の逆浸透膜12aで濾過することにより透過水W3及び濃縮水W4を得る水処理装置である。被処理水W1としては、特に制限はなく、例えば、海水、河川水、湖沼水、地下水、都市下水、汽水、工業用水、及び工業廃水、並びに、これらの水に凝集、沈殿、ろ過、吸着、及び生物処理などの処理を施した水などを用いることができる。
次に、本発明の第2の実施の形態について説明する。なお、以下においては、上述した第1の実施の形態との相違点を中心に説明し、説明の重複を避ける。
次に、本発明の第3の実施の形態について説明する。なお、以下においては、上述した第2の実施の形態との相違点を中心に説明し、説明の重複を避ける。
次に、本発明の第4の実施の形態について説明する。なお、以下においては、上述した第3の実施の形態との相違点を中心に説明し、説明の重複を避ける。
次に、本発明の第5の実施の形態について説明する。なお、以下においては、上述した第1の実施の形態との相違点を中心に説明し、説明の重複を避ける。
次に、本発明の第6の実施の形態について説明する。なお、以下においては、上述した第2の実施の形態との相違点を中心に説明し、説明の重複を避ける。
次に、本発明の第7の実施の形態について説明する。なお、以下においては、上述した第3の実施の形態との相違点を中心に説明し、説明の重複を避ける。
次に、本発明の第8の実施の形態について説明する。なお、以下においては、上述した第4の実施の形態との相違点を中心に説明し、説明の重複を避ける。
11 被処理水濾過部
12 逆浸透膜濾過部
12a 逆浸透膜
13 エネルギー回収部
14 濾過水混合部(前処理部)
15 水質測定部(第1水質測定部)
16 送液ポンプ
17 高圧ポンプ
18 制御部
19 固液分離部(前処理部)
20 砂濾過部(前処理部)
21 被処理水浄化部(前処理部)
22 凝集剤投入部
23 第2水質測定部
L1 被処理水ライン
L2 濾過水ライン
L3 濃縮水ライン
L4 被処理水抜出ライン
L5 透過水ライン
L6 濾過水供給ライン
W1 被処理水
W2 濾過水
W3 透過水
W4 濃縮水
W5 被測定水
W6〜W10 排水
Claims (3)
- 被処理水ラインから供給される被処理水を濾過して濾過水とする被処理水濾過部と、
前記被処理水ラインから分岐した被処理水抜出ラインに設けられ、前記被処理水抜出ラインの前記被処理水中の濁質濃度を低減して被測定水とする前処理部と、
前記被処理水抜出ラインにおける前記前処理部の後段に設けられ、前記被測定水の水質を測定して前記被処理水の水質を評価する第1水質測定部と、
前記濾過水を逆浸透膜により濾過して透過水及び濃縮水とする逆浸透膜濾過部と、
前記第1水質測定部での水質評価指標値の測定結果に基づいて、前記被測定水中の被処理水の比率を調整して、前記被処理水が5体積%以上60体積%以下となるように、前記被処理水と前記濾過水とを混合する制御部と、を備え、
前記前処理部は、前記濾過水と前記被処理水とを混合して前記被処理水を前記被測定水とする濾過水混合部であることを特徴とする水処理装置。 - 前記被処理水に凝集剤を投入する凝集剤投入部と、
前記濾過水の水質を測定する第2水質測定部と、
前記第1水質測定部で評価した前記被処理水の水質及び前記第2水質測定部で測定した前記濾過水の水質に基づいて前記凝集剤の投入量を制御する制御部とを備えた請求項1に記載の水処理装置。 - 被処理水ラインから分岐した被処理水抜出ラインの被処理水中の濁質濃度を低減して被測定水とするステップと、
前記被測定水の水質を測定した水質評価指標値の測定結果に基づいて、前記被処理水の水質を評価するステップと、
水質評価指標値に基づいて、前記被測定水中の被処理水の比率を調整して、前記被処理水が5体積%以上60体積%以下となるように、前記被処理水と該被処理水を濾過した濾過水とを混合して前記被測定水とするステップと、
評価した前記被処理水の水質に基づいて前記被処理水に対する凝集剤の投入量を制御するステップと、
前記被処理水ラインの被処理水を濾過した濾過水の水質を測定して前記被処理水に対する前記凝集剤の投入量を制御するステップとを含むことを特徴とする、水処理方法。
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PCT/JP2014/074134 WO2016038726A1 (ja) | 2014-09-11 | 2014-09-11 | 水処理装置及び水処理方法 |
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US (1) | US20170305758A1 (ja) |
EP (1) | EP3192577A4 (ja) |
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KR20200069536A (ko) * | 2018-12-07 | 2020-06-17 | 삼성전자주식회사 | 정수기 및 이의 제어 방법 |
FI20216014A1 (en) * | 2021-09-30 | 2023-03-31 | Kemira Oyj | Process and apparatus for water treatment |
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JP2002233716A (ja) * | 2001-02-09 | 2002-08-20 | Yaskawa Electric Corp | 浄水処理方法 |
US6672462B2 (en) * | 2001-04-18 | 2004-01-06 | James P. Sharkey | Method and apparatus for removing particulate contaminants from commercial laundry waste water |
JP5172082B2 (ja) * | 2005-09-15 | 2013-03-27 | 三菱レイヨン株式会社 | 被処理水の処理方法 |
JP2008126223A (ja) * | 2006-11-27 | 2008-06-05 | Meidensha Corp | 膜処理システム |
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JP2012170848A (ja) * | 2011-02-18 | 2012-09-10 | Toshiba Corp | 水処理システム及びその凝集剤注入方法 |
JP5618874B2 (ja) * | 2011-03-15 | 2014-11-05 | 株式会社東芝 | ファウリング生成の予測方法及び膜ろ過システム |
JP5840456B2 (ja) * | 2011-10-28 | 2016-01-06 | 株式会社明電舎 | 薬品注入制御方法及び薬品注入制御装置 |
JP2015077530A (ja) * | 2012-01-24 | 2015-04-23 | 東レ株式会社 | 造水方法および造水装置 |
JP2013193075A (ja) * | 2012-03-23 | 2013-09-30 | Hitachi Ltd | 淡水化システム |
WO2016201493A1 (en) * | 2015-06-19 | 2016-12-22 | Rain Harvesting Pty Ltd | A filtering apparatus comprising an inlet and at least two outlets |
-
2014
- 2014-09-11 CN CN201480081826.3A patent/CN107073369A/zh active Pending
- 2014-09-11 EP EP14901798.0A patent/EP3192577A4/en not_active Withdrawn
- 2014-09-11 WO PCT/JP2014/074134 patent/WO2016038726A1/ja active Application Filing
- 2014-09-11 JP JP2016547325A patent/JP6532471B2/ja not_active Expired - Fee Related
- 2014-09-11 US US15/509,992 patent/US20170305758A1/en not_active Abandoned
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EP3192577A4 (en) | 2018-05-09 |
WO2016038726A1 (ja) | 2016-03-17 |
CN107073369A (zh) | 2017-08-18 |
JPWO2016038726A1 (ja) | 2017-06-15 |
EP3192577A1 (en) | 2017-07-19 |
US20170305758A1 (en) | 2017-10-26 |
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