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MY207027A - Calcium scale inhibitor in pulp production process water system, and method for inhibiting scale - Google Patents

Calcium scale inhibitor in pulp production process water system, and method for inhibiting scale

Info

Publication number
MY207027A
MY207027A MYPI2022001047A MYPI2022001047A MY207027A MY 207027 A MY207027 A MY 207027A MY PI2022001047 A MYPI2022001047 A MY PI2022001047A MY PI2022001047 A MYPI2022001047 A MY PI2022001047A MY 207027 A MY207027 A MY 207027A
Authority
MY
Malaysia
Prior art keywords
scale
calcium
water system
production process
process water
Prior art date
Application number
MYPI2022001047A
Other languages
English (en)
Inventor
Kazuya Watanabe
Chigusa Taguchi
Original Assignee
Kurita Water Ind 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 Kurita Water Ind Ltd filed Critical Kurita Water Ind Ltd
Publication of MY207027A publication Critical patent/MY207027A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paper (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
MYPI2022001047A 2020-02-27 2020-09-01 Calcium scale inhibitor in pulp production process water system, and method for inhibiting scale MY207027A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020031928A JP7183211B2 (ja) 2020-02-27 2020-02-27 パルプ製造工程水系のカルシウム系スケール防止剤及びスケール防止方法
PCT/JP2020/033092 WO2021171660A1 (ja) 2020-02-27 2020-09-01 水系のカルシウム系スケール防止剤及びスケール防止方法

Publications (1)

Publication Number Publication Date
MY207027A true MY207027A (en) 2025-01-25

Family

ID=77491341

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2022001047A MY207027A (en) 2020-02-27 2020-09-01 Calcium scale inhibitor in pulp production process water system, and method for inhibiting scale

Country Status (6)

Country Link
JP (1) JP7183211B2 (zh)
KR (1) KR102611861B1 (zh)
CN (1) CN114286803A (zh)
MY (1) MY207027A (zh)
TW (1) TWI896557B (zh)
WO (1) WO2021171660A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6942658B2 (ja) * 2018-03-01 2021-09-29 水ｉｎｇ株式会社 カルシウム含有排水のカルシウム除去方法及びカルシウム除去設備

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928196A (en) 1973-12-05 1975-12-23 Calgon Corp Inhibition of scale deposition
US4517098A (en) * 1983-04-15 1985-05-14 Rohm And Haas Company Method of dispersing inorganic materials in aqueous systems with low molecular weight acrylic acid copolymers
CA1289293C (en) * 1985-06-25 1991-09-17 Kyu-Hwa Lee Polymer-zinc corrosion inhibitor
US4814406A (en) * 1986-02-28 1989-03-21 Katayama Chemical Works Ltd. Scale inhibitor
AU612603B2 (en) * 1986-11-13 1991-07-18 B.F. Goodrich Company, The Calcium phosphonate scale inhibition
JPS63156599A (ja) * 1986-12-08 1988-06-29 ザ　ビー．エフ．グッドリッチ　カンパニー アクリルアミドアルカンスルホン酸を含むコポリマーによる水性媒体の処理方法
JPS63194799A (ja) * 1987-02-05 1988-08-11 Hakutou Kagaku Kk 多目的多機能水処理剤
JPH0253551A (ja) 1988-08-17 1990-02-22 Hitachi Seiki Co Ltd 数値制御工作機械の加工時間表示方法およびその装置
JP3192691B2 (ja) * 1990-09-03 2001-07-30 株式会社片山化学工業研究所 カルシウム系スケール防止剤
JP3928182B2 (ja) * 1995-09-29 2007-06-13 栗田工業株式会社 開放循環冷却水系の防食・防スケール方法
US20060094636A1 (en) * 2004-11-01 2006-05-04 National Starch And Chemical Investment Holding Corp. Hydrophobically modified polymers
CN101356122B (zh) 2006-01-11 2013-06-26 栗田工业株式会社 防止形成水垢的试剂和防止形成水垢的方法
JP2009028618A (ja) * 2007-07-26 2009-02-12 Nippon Shokubai Co Ltd スケール防止剤および（メタ）アクリル酸系重合体
JP2009240929A (ja) 2008-03-31 2009-10-22 Hakuto Co Ltd 水系のスケール抑制剤及びスケール抑制方法

Also Published As

Publication number Publication date
TWI896557B (zh) 2025-09-11
WO2021171660A1 (ja) 2021-09-02
TW202132228A (zh) 2021-09-01
KR102611861B1 (ko) 2023-12-07
JP2021133313A (ja) 2021-09-13
JP7183211B2 (ja) 2022-12-05
KR20220140692A (ko) 2022-10-18
CN114286803A (zh) 2022-04-05

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