CA2859730C - Method for treating water and flocculant for organic substances - Google Patents

Method for treating water and flocculant for organic substances Download PDF

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Publication number
CA2859730C
CA2859730C CA2859730A CA2859730A CA2859730C CA 2859730 C CA2859730 C CA 2859730C CA 2859730 A CA2859730 A CA 2859730A CA 2859730 A CA2859730 A CA 2859730A CA 2859730 C CA2859730 C CA 2859730C
Authority
CA
Canada
Prior art keywords
main chain
linked main
water
carbon atoms
polymer compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2859730A
Other languages
English (en)
French (fr)
Other versions
CA2859730A1 (en
Inventor
Kenji Okishiro
Satoshi Ishii
Hiroshi Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of CA2859730A1 publication Critical patent/CA2859730A1/en
Application granted granted Critical
Publication of CA2859730C publication Critical patent/CA2859730C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/34—Organic compounds containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/40—Organic compounds containing sulfur
    • 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
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA2859730A 2013-08-22 2014-08-19 Method for treating water and flocculant for organic substances Expired - Fee Related CA2859730C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013171880A JP6088386B2 (ja) 2013-08-22 2013-08-22 水処理方法及び有機酸の凝集剤
JP2013-171880 2013-08-22

Publications (2)

Publication Number Publication Date
CA2859730A1 CA2859730A1 (en) 2015-02-22
CA2859730C true CA2859730C (en) 2017-01-10

Family

ID=52479419

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2859730A Expired - Fee Related CA2859730C (en) 2013-08-22 2014-08-19 Method for treating water and flocculant for organic substances

Country Status (4)

Country Link
US (1) US20150053621A1 (https=)
JP (1) JP6088386B2 (https=)
AU (1) AU2014215961B2 (https=)
CA (1) CA2859730C (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105060445B (zh) * 2015-08-21 2017-01-11 寇斌 一种阳离子有机硅聚丙烯酰胺絮凝剂及其制备方法
JP7450215B2 (ja) * 2020-03-24 2024-03-15 Ｄｏｗａテクノロジー株式会社 石油掘削随伴水の処理方法
CN111733062B (zh) * 2020-07-03 2022-04-01 山东润德生物科技有限公司 一种从发酵液中浓缩分离生物絮凝剂的设备及其使用方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3726294B2 (ja) * 1994-11-21 2005-12-14 ダイヤニトリックス株式会社 濁水の処理方法
JPH1099867A (ja) * 1996-09-27 1998-04-21 Sony Corp 廃水処理方法
US5954964A (en) * 1997-07-29 1999-09-21 Kruger, Inc. Process for enhancing dewatering of treated biosolids in a wastewater treatment system
JP2000084567A (ja) * 1998-09-11 2000-03-28 Fuji Heavy Ind Ltd 切削油含有廃水の処理方法
JP2001129310A (ja) * 1999-11-08 2001-05-15 Kansai Kako Kk 凝集剤及び汚泥処理方法
US7160470B2 (en) * 2004-04-19 2007-01-09 Davis Robert A Method of clarifying industrial laundry wastewater using cationic dispersion polymers and anionic flocculent polymers
TW200621653A (en) * 2004-11-25 2006-07-01 Dia Nitrix Co Ltd Method for dewatering of sludge with polymer flocculant and method for flocculation of wastewater with polymer flocculant
JP4823552B2 (ja) * 2005-04-18 2011-11-24 ダイヤニトリックス株式会社 畜産廃水の処理方法
CA2731608C (en) * 2008-07-23 2016-10-18 Aquero Company, Llc Flotation and separation of flocculated oils and solids from waste waters
JP5277997B2 (ja) * 2009-01-29 2013-08-28 株式会社日立プラントテクノロジー 浄水方法
JP5352256B2 (ja) * 2009-01-29 2013-11-27 株式会社日立製作所 排水浄化用凝集剤、並びにこれを用いた排水浄化方法及び排水浄化装置
NZ618202A (en) * 2009-07-06 2014-11-28 Halosource Inc Dual polymer system for water recovery and separation of suspended solids from aqueous media
JP5222808B2 (ja) * 2009-08-07 2013-06-26 株式会社日立製作所 凝集剤，凝集剤を用いた汚水浄化方法及び凝集剤を用いた浄水装置
US20110147306A1 (en) * 2009-12-18 2011-06-23 General Electric Company Use of cationic coagulant and acrylamide polymer flocculants for separating oil from oily water
JP5213925B2 (ja) * 2010-07-28 2013-06-19 株式会社日立製作所 希土類金属凝集剤
JP5343051B2 (ja) * 2010-08-30 2013-11-13 株式会社日立製作所 汚水浄化方法、凝集剤、並びに汚水浄化装置及びそれを用いた油分抽出システム
JP5452677B2 (ja) * 2012-07-30 2014-03-26 株式会社日立製作所 浄水装置
JP2014043634A (ja) * 2012-08-29 2014-03-13 Hitachi Ltd 希土類分離法及び希土類分離装置

Also Published As

Publication number Publication date
US20150053621A1 (en) 2015-02-26
JP6088386B2 (ja) 2017-03-01
CA2859730A1 (en) 2015-02-22
AU2014215961A1 (en) 2015-03-12
JP2015039664A (ja) 2015-03-02
AU2014215961B2 (en) 2016-07-28

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Effective date: 20190819