JP4544020B2 - 膜濾過システムの運転方法 - Google Patents
膜濾過システムの運転方法 Download PDFInfo
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- JP4544020B2 JP4544020B2 JP2005133195A JP2005133195A JP4544020B2 JP 4544020 B2 JP4544020 B2 JP 4544020B2 JP 2005133195 A JP2005133195 A JP 2005133195A JP 2005133195 A JP2005133195 A JP 2005133195A JP 4544020 B2 JP4544020 B2 JP 4544020B2
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- water
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- filtration membrane
- filtration
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- 238000005374 membrane filtration Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 156
- 239000012528 membrane Substances 0.000 claims description 122
- 238000001914 filtration Methods 0.000 claims description 84
- 230000007797 corrosion Effects 0.000 claims description 30
- 238000005260 corrosion Methods 0.000 claims description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 230000001737 promoting effect Effects 0.000 claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 239000012466 permeate Substances 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 13
- 230000007423 decrease Effects 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- 238000007872 degassing Methods 0.000 claims description 4
- 238000011017 operating method Methods 0.000 claims 1
- 238000001728 nano-filtration Methods 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000012535 impurity Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000002401 inhibitory effect Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000001223 reverse osmosis Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009295 crossflow filtration Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Physical Water Treatments (AREA)
Description
(a)給水圧力および給水温度の両変化に対する前記濾過膜部からの透過水中の腐食促進成分残存値、および前記脱気膜部からの脱気水中の溶存酸素残存値の関係を予め求めておくとともに、腐食促進成分残存許容値と溶存酸素残存許容値を定め、
(b)給水温度の検出値に基づいて、腐食促進成分残存許容値と溶存酸素残存許容値をともに充足するように、前記ポンプの回転数を制御して、前記濾過膜部への給水圧力を調整することにより透過水量を増減させ、
(c)前記濾過膜部からの透過水量に基づいて、システムの回収率が一定になるように、濃縮水の排水量を調節することを特徴としている。
4 濾過膜部
Claims (1)
- 給水中の塩化物イオンおよび硫酸イオンからなる腐食促進成分を除去する濾過膜部と、給水を前記濾過膜部へ供給するポンプと、前記濾過膜部からの透過水中の溶存酸素を除去する脱気膜部とを備え、前記濾過膜部からの濃縮水の一部を排水するとともに、残部を前記濾過膜部の上流側へ還流させる膜濾過システムの運転方法であって、
(a)給水圧力および給水温度の両変化に対する前記濾過膜部からの透過水中の腐食促進成分残存値、および前記脱気膜部からの脱気水中の溶存酸素残存値の関係を予め求めておくとともに、腐食促進成分残存許容値と溶存酸素残存許容値を定め、
(b)給水温度の検出値に基づいて、腐食促進成分残存許容値と溶存酸素残存許容値をともに充足するように、前記ポンプの回転数を制御して、前記濾過膜部への給水圧力を調整することにより透過水量を増減させ、
(c)前記濾過膜部からの透過水量に基づいて、システムの回収率が一定になるように、濃縮水の排水量を調節することを特徴とする膜濾過システムの運転方法。
Priority Applications (1)
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JP2005133195A JP4544020B2 (ja) | 2005-04-28 | 2005-04-28 | 膜濾過システムの運転方法 |
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JP2005133195A JP4544020B2 (ja) | 2005-04-28 | 2005-04-28 | 膜濾過システムの運転方法 |
Publications (2)
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JP2006305498A JP2006305498A (ja) | 2006-11-09 |
JP4544020B2 true JP4544020B2 (ja) | 2010-09-15 |
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JP2005133195A Active JP4544020B2 (ja) | 2005-04-28 | 2005-04-28 | 膜濾過システムの運転方法 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5146795B2 (ja) * | 2006-12-05 | 2013-02-20 | 三浦工業株式会社 | 水処理システム |
WO2009057501A1 (ja) * | 2007-10-29 | 2009-05-07 | Kobelco Eco-Solutions Co., Ltd. | 水処理方法、水処理装置、浄化水の回収方法及び浄化水回収装置 |
JP5075597B2 (ja) * | 2007-11-30 | 2012-11-21 | 株式会社神鋼環境ソリューション | 浄化水回収装置及び浄化水の回収方法 |
JP5222526B2 (ja) * | 2007-10-29 | 2013-06-26 | 株式会社神鋼環境ソリューション | 水処理方法ならびに水処理装置 |
JP4903113B2 (ja) * | 2007-11-13 | 2012-03-28 | 株式会社神鋼環境ソリューション | 水処理システム及びその運転方法 |
JP2015013233A (ja) * | 2013-07-03 | 2015-01-22 | 栗田工業株式会社 | 膜分離装置の運転方法及び膜分離システム |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60129103A (ja) * | 1983-12-19 | 1985-07-10 | Hitachi Ltd | 超純水製造装置 |
JPH05220480A (ja) * | 1992-02-10 | 1993-08-31 | Miura Co Ltd | 純水製造装置 |
JPH05309372A (ja) * | 1992-05-12 | 1993-11-22 | Japan Organo Co Ltd | 高純度水の製造装置 |
JPH11104639A (ja) * | 1997-10-03 | 1999-04-20 | Toray Kiki Kk | 逆浸透膜式純水製造装置 |
JP2000051845A (ja) * | 1998-08-06 | 2000-02-22 | Kurita Water Ind Ltd | 純水製造方法 |
JP2001000969A (ja) * | 1999-06-21 | 2001-01-09 | Toray Kiki Kk | 逆浸透膜式精製水製造装置 |
JP2001239134A (ja) * | 2000-03-01 | 2001-09-04 | Toray Ind Inc | 逆浸透処理装置の運転方法とその制御装置および造水方法 |
JP2005279459A (ja) * | 2004-03-30 | 2005-10-13 | Miura Co Ltd | 水処理方法 |
JP2005279463A (ja) * | 2004-03-30 | 2005-10-13 | Miura Co Ltd | 水処理方法 |
-
2005
- 2005-04-28 JP JP2005133195A patent/JP4544020B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60129103A (ja) * | 1983-12-19 | 1985-07-10 | Hitachi Ltd | 超純水製造装置 |
JPH05220480A (ja) * | 1992-02-10 | 1993-08-31 | Miura Co Ltd | 純水製造装置 |
JPH05309372A (ja) * | 1992-05-12 | 1993-11-22 | Japan Organo Co Ltd | 高純度水の製造装置 |
JPH11104639A (ja) * | 1997-10-03 | 1999-04-20 | Toray Kiki Kk | 逆浸透膜式純水製造装置 |
JP2000051845A (ja) * | 1998-08-06 | 2000-02-22 | Kurita Water Ind Ltd | 純水製造方法 |
JP2001000969A (ja) * | 1999-06-21 | 2001-01-09 | Toray Kiki Kk | 逆浸透膜式精製水製造装置 |
JP2001239134A (ja) * | 2000-03-01 | 2001-09-04 | Toray Ind Inc | 逆浸透処理装置の運転方法とその制御装置および造水方法 |
JP2005279459A (ja) * | 2004-03-30 | 2005-10-13 | Miura Co Ltd | 水処理方法 |
JP2005279463A (ja) * | 2004-03-30 | 2005-10-13 | Miura Co Ltd | 水処理方法 |
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