JP2013202598A5 - - Google Patents

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Publication number
JP2013202598A5
JP2013202598A5 JP2012077910A JP2012077910A JP2013202598A5 JP 2013202598 A5 JP2013202598 A5 JP 2013202598A5 JP 2012077910 A JP2012077910 A JP 2012077910A JP 2012077910 A JP2012077910 A JP 2012077910A JP 2013202598 A5 JP2013202598 A5 JP 2013202598A5
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Japan
Prior art keywords
water
general formula
structural unit
following general
unit represented
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JP2012077910A
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Japanese (ja)
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JP6115017B2 (en
JP2013202598A (en
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Priority to JP2012077910A priority Critical patent/JP6115017B2/en
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Claims (2)

下記一般式（１）で表されるアミジン構造単位及び下記一般式（２）で表されるアミジン構造単位の少なくとも一方を有する水溶性重合体の添加及び活性汚泥処理がなされた処理水を分離膜により固液分離する水処理方法において、前記水溶性重合体の添加は分離膜での固液分離を停止している際に行うことを特徴とする水処理方法。

Separation membrane of treated water subjected to addition of water-soluble polymer having at least one of amidine structural unit represented by the following general formula (1) and amidine structural unit represented by the following general formula (2) and activated sludge treatment In the water treatment method for solid-liquid separation by water, the water-soluble polymer is added when the solid-liquid separation at the separation membrane is stopped.

前記水溶性重合体として、下記一般式（１）で表されるアミジン構造単位及び下記一般式（２）で表されるアミジン構造単位の少なくとも一方を有するカチオン性重合体および両性重合体の少なくとも一方を用いることを特徴とする請求項１に記載の水処理方法。
As the water-soluble polymer , at least one of a cationic polymer and an amphoteric polymer having at least one of an amidine structural unit represented by the following general formula (1) and an amidine structural unit represented by the following general formula (2): The water treatment method according to claim 1, wherein:
JP2012077910A 2012-03-29 2012-03-29 Water treatment method Active JP6115017B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012077910A JP6115017B2 (en) 2012-03-29 2012-03-29 Water treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012077910A JP6115017B2 (en) 2012-03-29 2012-03-29 Water treatment method

Publications (3)

Publication Number Publication Date
JP2013202598A JP2013202598A (en) 2013-10-07
JP2013202598A5 true JP2013202598A5 (en) 2015-05-21
JP6115017B2 JP6115017B2 (en) 2017-04-19

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JP2012077910A Active JP6115017B2 (en) 2012-03-29 2012-03-29 Water treatment method

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016010770A (en) * 2014-06-30 2016-01-21 三菱レイヨン株式会社 Sludge dewatering method
JP6573004B2 (en) * 2018-07-02 2019-09-11 三菱ケミカル株式会社 Sludge dewatering method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3666058B2 (en) * 1995-06-14 2005-06-29 東陶機器株式会社 Waste water treatment apparatus and operation method thereof
JPH10277550A (en) * 1997-04-10 1998-10-20 Mitsubishi Rayon Co Ltd Sludge thickening method and sludge thickening system
US20040168980A1 (en) * 2002-01-04 2004-09-02 Musale Deepak A. Combination polymer treatment for flux enhancement in MBR
JP2007000727A (en) * 2005-06-22 2007-01-11 Mitsubishi Rayon Eng Co Ltd Method for operating membrane separation activated sludge treatment apparatus
JP2010046561A (en) * 2008-08-19 2010-03-04 Toray Ind Inc Sludge dehydrating and concentrating method and apparatus thereof
US7611632B1 (en) * 2008-11-07 2009-11-03 General Electric Company Method of conditioning mixed liquor using a tannin containing polymer
JP5413005B2 (en) * 2009-07-10 2014-02-12 トヨタ紡織株式会社 Seat belt device
JP2011050946A (en) * 2009-08-05 2011-03-17 Daiyanitorikkusu Kk Method for removing coloring component
TW201107250A (en) * 2009-08-05 2011-03-01 Dia Nitrix Co Ltd Removal method of causative agent which decrease filtration flux in membrane bioreactor

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