JP2013126635A - 逆浸透処理装置および逆浸透処理装置の洗浄方法 - Google Patents
逆浸透処理装置および逆浸透処理装置の洗浄方法 Download PDFInfo
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 150
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- 238000000034 method Methods 0.000 title claims abstract description 38
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- 239000008400 supply water Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 6
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- 125000006850 spacer group Chemical group 0.000 description 5
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
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- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
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- 238000009530 blood pressure measurement Methods 0.000 description 2
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- 239000000463 material Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
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- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
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Abstract
【解決手段】被処理水を一次処理する第1の圧力容器80と、二次処理する第2の圧力容器82と、第1の圧力容器80を洗浄する洗浄液を貯留する第1の洗浄液貯槽110と、第2の圧力容器82を洗浄する洗浄液を貯留する第2の洗浄液貯槽112と、を備え、第1の圧力容器80内および第2の圧力容器82内に逆浸透膜を備える逆浸透膜エレメントが1個、あるいは、透過水が流れる集水配管により直列に複数接続して配置されており、第1の洗浄液貯槽110は、第1の圧力容器80に設けられた第1の濃縮水排出管に接続され、第2の洗浄液貯槽112は、第2の圧力容器82に設けられた一次処理水導入管に接続されている逆浸透処理装置および逆浸透処理装置の洗浄方法である。
【選択図】図7
Description
Claims (11)
- 被処理水を一次処理する第1の圧力容器と、前記一次処理によって処理された前記被処理水を二次処理する第2の圧力容器と、前記第1の圧力容器を洗浄する洗浄液を貯留する第1の洗浄液貯槽と、前記第2の圧力容器を洗浄する洗浄液を貯留する第2の洗浄液貯槽と、を備え、
前記第1の圧力容器内および前記第2の圧力容器内に逆浸透膜を備える逆浸透膜エレメントが1個、あるいは、透過水が流れる集水配管により直列に複数接続して配置されており、
前記第1の圧力容器は、一方の端部に、被処理水を供給する被処理水導入管を、他方の端部に、前記一次処理された前記被処理水を排出する第1の濃縮水排出管と、透過水を排出する第1の排出管と、を備え、前記第2の圧力容器は、一方の端部に、前記一次処理された前記被処理水を導入する一次処理水導入管と、他方の端部に、前記二次処理された前記被処理水を排出する第2の濃縮水排出管と、透過水を排出する第2の排出管と、を有し、
前記第1の洗浄液貯槽は、前記第1の圧力容器の前記第1の濃縮水排出管に接続され、
前記第2の洗浄液貯槽は、前記第2の圧力容器の前記一次処理水導入管に接続されている逆浸透処理装置。 - 前記第1の洗浄液貯槽は、さらに、前記被処理水導入管に接続され、前記第2の洗浄液貯槽は、さらに、前記第2の濃縮水排出管に接続されている請求項1に記載の逆浸透処理装置。
- 前記第1の洗浄液貯槽の洗浄液を、前記第1の濃縮水排出管から前記第1の圧力容器内を経て前記被処理水導入管に流すポンプを備え、
前記第2の洗浄液貯槽からの洗浄液は、前記一次処理水導入管から前記第2の圧力容器を経て前記第2の濃縮水排出管に流すポンプを備える請求項2に記載の逆浸透処理装置。 - 前記第1の圧力容器の前記被処理水が流れる上流側および下流側、および、前記第2の圧力容器の前記被処理水が流れる上流側および下流側に圧力計を有し、
前記第1の圧力容器および前記第2の圧力容器の上流側および下流側の差圧により汚れを検査する請求項1から3のいずれか1項に記載の逆浸透処理装置。 - 前記第1の洗浄液貯槽内の洗浄液が、有機系、微生物系の汚れを除去する洗浄液であり、前記第2の洗浄液貯槽内の洗浄液が、無機系の汚れを除去する洗浄液である請求項1から4のいずれか1項に記載の逆浸透処理装置。
- 前記第1の圧力容器内および前記第2の圧力容器内の洗浄液を洗い流すリンス液を貯留するリンス液貯槽を有する請求項1から5のいずれか1項に記載の逆浸透処理装置。
- 前記リンス液が、前記透過水または前記被処理水である請求項1から6のいずれか1項に記載の逆浸透処理装置。
- 被処理水を一次処理する第1の圧力容器と、前記一次処理によって処理された前記被処理水を二次処理する第2の圧力容器と、の差圧を確認し、前記第1の圧力容器と前記第2の圧力容器の汚れを検査する差圧確認工程と、
前記差圧確認工程により特定された圧力容器に応じた洗浄薬剤を選定する洗浄液選定工程と、
前記第1の圧力容器または前記第2の圧力容器を洗浄する洗浄工程と、
前記洗浄工程後の前記第1の圧力容器および第2の圧力容器のそれぞれの圧力差を確認し、洗浄終了を判定する洗浄終了判定工程と、を有する逆浸透処理装置の洗浄方法。 - 前記洗浄終了判定工程の前または後に前記洗浄液を洗い流すリンス工程を有する請求項8に記載の逆浸透処理装置の洗浄方法。
- 前記リンス工程で使用されるリンス液は、前記逆浸透処理装置で生産された透過水、または、前記被処理水である請求項8または9に記載の逆浸透処理装置の洗浄方法。
- 前記差圧確認工程は、使用前の差圧と比較し5%以上40%以下の範囲に差圧が上昇した場合に、洗浄を行う請求項8から10のいずれか1項に記載の逆浸透処理装置の洗浄方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011277237A JP5798908B2 (ja) | 2011-12-19 | 2011-12-19 | 逆浸透処理装置および逆浸透処理装置の洗浄方法 |
AU2012355018A AU2012355018B2 (en) | 2011-12-19 | 2012-12-06 | Reverse osmosis treatment device and method for cleaning reverse osmosis treatment device |
PCT/JP2012/081700 WO2013094428A1 (ja) | 2011-12-19 | 2012-12-06 | 逆浸透処理装置および逆浸透処理装置の洗浄方法 |
CN201280062788.8A CN104039427A (zh) | 2011-12-19 | 2012-12-06 | 反渗透处理装置以及反渗透处理装置的清洗方法 |
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IN2014CN04563A (ja) | 2015-09-18 |
ZA201404624B (en) | 2015-11-25 |
AU2012355018B2 (en) | 2016-02-18 |
WO2013094428A1 (ja) | 2013-06-27 |
US20140360937A1 (en) | 2014-12-11 |
JP5798908B2 (ja) | 2015-10-21 |
US9833743B2 (en) | 2017-12-05 |
AU2012355018A1 (en) | 2014-07-10 |
CN104039427A (zh) | 2014-09-10 |
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