JP7226418B2 - 汚泥脱水剤及び汚泥脱水方法 - Google Patents

汚泥脱水剤及び汚泥脱水方法 Download PDF

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Publication number
JP7226418B2
JP7226418B2 JP2020180953A JP2020180953A JP7226418B2 JP 7226418 B2 JP7226418 B2 JP 7226418B2 JP 2020180953 A JP2020180953 A JP 2020180953A JP 2020180953 A JP2020180953 A JP 2020180953A JP 7226418 B2 JP7226418 B2 JP 7226418B2
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Japan
Prior art keywords
polymer
sludge
monomer
mol
cationic monomer
Prior art date
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JP2020180953A
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English (en)
Japanese (ja)
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JP2022071781A (ja
Inventor
絢子 坂元
哲 竹林
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.)
Kurita Water Industries Ltd
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Kurita Water Industries 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.)
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Publication date
Application filed by Kurita Water Industries Ltd filed Critical Kurita Water Industries Ltd
Priority to JP2020180953A priority Critical patent/JP7226418B2/ja
Priority to PCT/JP2021/039128 priority patent/WO2022091979A1/fr
Publication of JP2022071781A publication Critical patent/JP2022071781A/ja
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Publication of JP7226418B2 publication Critical patent/JP7226418B2/ja
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/10—Esters
    • C08F20/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP2020180953A 2020-10-28 2020-10-28 汚泥脱水剤及び汚泥脱水方法 Active JP7226418B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020180953A JP7226418B2 (ja) 2020-10-28 2020-10-28 汚泥脱水剤及び汚泥脱水方法
PCT/JP2021/039128 WO2022091979A1 (fr) 2020-10-28 2021-10-22 Agent de déshydratation de boue et procédé de déshydratation de boue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020180953A JP7226418B2 (ja) 2020-10-28 2020-10-28 汚泥脱水剤及び汚泥脱水方法

Publications (2)

Publication Number Publication Date
JP2022071781A JP2022071781A (ja) 2022-05-16
JP7226418B2 true JP7226418B2 (ja) 2023-02-21

Family

ID=81383905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020180953A Active JP7226418B2 (ja) 2020-10-28 2020-10-28 汚泥脱水剤及び汚泥脱水方法

Country Status (2)

Country Link
JP (1) JP7226418B2 (fr)
WO (1) WO2022091979A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000159969A (ja) 1998-11-25 2000-06-13 Hymo Corp エマルジョンおよびその用途
JP2019209287A (ja) 2018-06-06 2019-12-12 栗田工業株式会社 汚泥脱水剤、及び汚泥脱水方法
JP2019209321A (ja) 2019-05-22 2019-12-12 栗田工業株式会社 汚泥脱水剤、及び汚泥脱水方法
JP2020025939A (ja) 2018-08-16 2020-02-20 栗田工業株式会社 汚泥脱水方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000159969A (ja) 1998-11-25 2000-06-13 Hymo Corp エマルジョンおよびその用途
JP2019209287A (ja) 2018-06-06 2019-12-12 栗田工業株式会社 汚泥脱水剤、及び汚泥脱水方法
JP2020025939A (ja) 2018-08-16 2020-02-20 栗田工業株式会社 汚泥脱水方法
JP2019209321A (ja) 2019-05-22 2019-12-12 栗田工業株式会社 汚泥脱水剤、及び汚泥脱水方法

Also Published As

Publication number Publication date
WO2022091979A1 (fr) 2022-05-05
JP2022071781A (ja) 2022-05-16

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