KR920021451A - 재순환 냉각수의 처리방법 - Google Patents

재순환 냉각수의 처리방법 Download PDF

Info

Publication number
KR920021451A
KR920021451A KR1019920008895A KR920008895A KR920021451A KR 920021451 A KR920021451 A KR 920021451A KR 1019920008895 A KR1019920008895 A KR 1019920008895A KR 920008895 A KR920008895 A KR 920008895A KR 920021451 A KR920021451 A KR 920021451A
Authority
KR
South Korea
Prior art keywords
cooling water
water
initial
meth
polymer
Prior art date
Application number
KR1019920008895A
Other languages
English (en)
Other versions
KR100196966B1 (ko
Inventor
에스. 캄바타 바이네퍼
알. 영 폴
이. 훨크스 케네쓰
Original Assignee
피터 대브링하우젠
날코 케미칼 캄파니
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24837715&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR920021451(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 피터 대브링하우젠, 날코 케미칼 캄파니 filed Critical 피터 대브링하우젠
Publication of KR920021451A publication Critical patent/KR920021451A/ko
Application granted granted Critical
Publication of KR100196966B1 publication Critical patent/KR100196966B1/ko

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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • C02F5/12—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 nitrogen
    • 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
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Paper (AREA)

Abstract

내용 없음

Description

재순환 냉각수의 처리방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 초기 탄산칼슘 포화비율이 90이상이고 50몰%이상의 (메트)아크릴산 또는 이의 염을 함유하며 중량평균분자량이 약 1,500 내지 약 35,000이고 약 18 내지 약 60℃의 온도에서 물 속에서 0.1ppm 이상의 오존에 30분이상 동안 노출된 후에도 본래의 탄산칼슘 포화비율을 70%이상 보유하는 유기 수용성 비닐계 중합체와 오존을 미생물 성장 및 열 전달 표면에의 무기 스케일 형성을 저해하는 유효량으로 재순환 냉각수에 가함을 포함하여 재순환 냉각수를 처리하는 방법.
  2. 제1항에 있어서, 유기 수용성 비닐계 중합체가 (메트)아크릴산의 단독중합체 또는 공중합체 및 이들의 수용성 염임을 특징으로 하는 방법.
  3. 제1항에 있어서, 유기 수용성 비닐계 중합체가 (메트)아크릴산 및 이의 수용성 염과 (메트)아크릴아미드, 말레산 무수물, N-메틸 설폰산-(메트)아크릴아미드, N-에틸 설폰산-(메트)아크릴아미드, 이타콘산, 아크릴산의 C1-C3-에스테르, 하이드록시프로필 아크릴레이트, N-t-부틸 아크릴아미드, 아크릴아미도 메틸 프로판 설폰산 및 비닐 아세테이트로 이루어진 그룹중에서 선택되는 비닐계 단량체 중의 하나 이상과의 공중합체이고, 유기 수용성 비닐계 중합체가 초기에는 (메트)아크릴산 또는 이의 염을 60몰%이상 함유하는 방법.
  4. 제1항, 제2항 또는 제3항에 있어서, 오존이 처리되는 냉각수를 기준으로 하여 잔류 오존 농도가 0.01ppm이상으로 유지되기에 충분한 비율로 냉각수에 첨가되고, 처리되는 냉각수의 특성들이 다음과 같은 방법.
  5. 제2항에 있어서, 잔류 오존 농도가 처리되는 냉각수를 기준으로 하여 0.01ppm이상의 농도로 유지되고, 중합체는 초기 분자량이 2,000 내지 10,000이며 초기 탄산칼슘 포화비율이 100이상인 아크릴산의 단독중합체인 방법.
  6. 제2항에 있어서, 잔류 오존 농도가 0.05ppm이상이고, 중합체가 초기 분자량이 2,000 내지 25,000이고 초기 탄산칼슘 포화비율이 80이상인 메트아릴산의 단독중합체인 방법.
  7. 제3항에 있어서, 오존량이 처리되는 냉각수를 기준으로 하여 0.01ppm 이상의 농도로 유지되고, 공중합체가 특성들이 다음과 같은 중합체중의 하나 이상으로 구성되는 그룹중에서 선택되는 방법.
  8. 제1항, 제2항, 제3항, 제5항, 제6항 또는 제7항에 있어서, 중합체가 처리되는 냉각수를 기준으로 하여 냉각 수속의 초기 활성 중합체 농도를 2ppm 이상으로 수득하기에 충분한 비율로 재순환 냉각수에 증가적 또는 연속적으로 첨가되는 방법.
  9. 처리되는 물을 기준으로 하여 2ppm 이상의 오존화 냉각수에 초기 탄산칼슘 포화비율이 90이상이고 50몰% 이상의 (메트)아크릴산을 함유하며 초기 중량평균분자량이 약 1,500 내지 약 35,000이고, 18 내지 약 60℃의 온도에서 냉각수 속에서 오존 농도 0.1ppm 이상의 오존에 30분 이상 동안 노출된 후에도 본래의 탄산칼슘 포화비율을 70%이상 보유할 수 있는 유기 수용성 비닐계 중합체를 가함을 포함하여, 특성들이 다음과 같이 오존화 냉각수와 접촉하는 열 전달 표면에의 경질 스케일 형성을 저해하는 방법.
  10. 제9항에 있어서, 처리는 물을 기준으로 하여 약 5 내지 약 50ppm의 초기 전체 중합체 농도를 수득하기 위해, 중합체가 오존화 냉각수에 첨가되고, 중합체가 특성들이 다음과 같은 중합체 중의 하나 이상에서 선택되는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920008895A 1991-05-28 1992-05-26 재순환 냉각수의 처리방법 KR100196966B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/706,469 US5171451A (en) 1991-05-28 1991-05-28 Simultaneous use of water soluble polymers with ozone in cooling water systems
US7/706,469 1991-05-28
US07/706,469 1991-05-28

Publications (2)

Publication Number Publication Date
KR920021451A true KR920021451A (ko) 1992-12-18
KR100196966B1 KR100196966B1 (ko) 1999-06-15

Family

ID=24837715

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920008895A KR100196966B1 (ko) 1991-05-28 1992-05-26 재순환 냉각수의 처리방법

Country Status (10)

Country Link
US (1) US5171451A (ko)
EP (1) EP0516305B1 (ko)
JP (1) JP3202787B2 (ko)
KR (1) KR100196966B1 (ko)
AU (1) AU641857B2 (ko)
BR (1) BR9202005A (ko)
DE (1) DE69214517T2 (ko)
ES (1) ES2095402T3 (ko)
SG (1) SG44857A1 (ko)
TW (1) TW222611B (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302356A (en) * 1992-03-04 1994-04-12 Arizona Board Of Reagents Acting On Behalf Of University Of Arizona Ultrapure water treatment system
AU3396993A (en) * 1992-04-27 1993-10-28 W.R. Grace & Co.-Conn. Calcium carbonate anti-precipitating agents
US5358640A (en) * 1992-07-20 1994-10-25 Nalco Chemical Company Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems
EP0633226B1 (en) * 1993-07-08 1998-04-22 BetzDearborn, Inc. Calcium carbonate anti-precipitating agents
US5415783A (en) * 1993-12-13 1995-05-16 Nalco Chemical Company Method for using ozone in cooling towers
US5603840A (en) * 1995-05-15 1997-02-18 Nalco Chemical Company Method of achieving microbiological control in open recirculating cooling water
US5662803A (en) * 1996-04-09 1997-09-02 Nalco Chemical Company Stabilizers for additives in aqueous systems containing ozone
JP3578257B2 (ja) * 1998-01-13 2004-10-20 栗田工業株式会社 ボイラ水処理剤
US6146538A (en) * 1998-02-23 2000-11-14 United States Filter Corporation Method of inhibiting scale formation
DE10024270A1 (de) * 2000-05-17 2001-11-22 Creavis Tech & Innovation Gmbh Antimikrobielle Polymere und Polymerblends aus polymeren Alkylacrylamiden
JP2002273478A (ja) * 2001-03-21 2002-09-24 Jsr Corp スケール防止方法
US20030111427A1 (en) * 2001-10-19 2003-06-19 Arch Chemicals, Inc. Composition for controlling the dissolving rate of solid sanitizers
US8454838B2 (en) * 2011-03-30 2013-06-04 Crystal Lagoons (Curacao) B.V. Method and system for the sustainable cooling of industrial processes
US9329159B2 (en) * 2013-03-08 2016-05-03 Ecolab Usa Inc. Methods and systems for analyzing a liquid medium
WO2017063188A1 (en) 2015-10-16 2017-04-20 Ecolab Usa Inc. Maleic anhydride homopolymer and maleic acid homopolymer and the method for preparing the same, and non-phosphorus corrosion inhibitor and the use thereof
CA3064425A1 (en) * 2017-05-24 2018-11-29 Bl Technologies, Inc. Polyacrylate polymers for low carbon steel corrosion control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172786A (en) * 1978-09-29 1979-10-30 Nasa Ozonation of cooling tower waters
US4936987A (en) * 1983-03-07 1990-06-26 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
JPS6270586A (ja) * 1985-09-25 1987-04-01 Kurita Water Ind Ltd 金属の腐食抑制方法
US4919821A (en) * 1986-03-21 1990-04-24 Nalco Chemical Company Modified maleic anhydride polymers and the like for use as scale inhibitors
US4997571A (en) * 1990-01-05 1991-03-05 Mogul Corporation Method of treating water

Also Published As

Publication number Publication date
SG44857A1 (en) 1997-12-19
BR9202005A (pt) 1993-01-12
KR100196966B1 (ko) 1999-06-15
EP0516305B1 (en) 1996-10-16
JP3202787B2 (ja) 2001-08-27
US5171451A (en) 1992-12-15
ES2095402T3 (es) 1997-02-16
AU1505492A (en) 1992-12-03
DE69214517D1 (de) 1996-11-21
JPH05123698A (ja) 1993-05-21
DE69214517T2 (de) 1997-03-06
TW222611B (ko) 1994-04-21
AU641857B2 (en) 1993-09-30
EP0516305A1 (en) 1992-12-02

Similar Documents

Publication Publication Date Title
KR920021451A (ko) 재순환 냉각수의 처리방법
ATE69823T1 (de) Verfahren zur herstellung von wasserloeslichen copolymerisaten der maleinsaeure und deren verwendung als wasserbehandlungsmittel.
KR960009042A (ko) 열처리전의 세정 방법
KR940014468A (ko) 흡수수지의 제조방법
BRPI0514854A (pt) método de tratamento de pedra porosa
DK0945405T3 (da) Hårhedsstabiliserende percarboxylsyreopløsninger, fremgangsmåder til fremstilling deraf og anvendelse deraf
EP0801032A1 (en) Stabilizers for additives in aqueous systems containing ozone
DE69127886T2 (de) Copolymere auf Basis von N-Alkylacrylamid, deren Herstellung und deren Verwendung als Verdickungsmittel in Shampoozusammensetzungen
DK0526786T3 (da) Fremgangsmåde til inhibition af korrosion af jernog blødt stål i kontakt med industrivand under anvendelse af hydroxamsyreh
US5527468A (en) Nonionic polymers for the treatment of boiler water
DE69323567D1 (de) Eine methode zur funktionilisierung von polyolefinen
SE8206274D0 (sv) Forfarande for behandling av hart vatten i kokarsystem
KR960706295A (ko) 가공처리된 당근의 화이트 블러쉬 억제방법(Methods for inhibiting white blush on processed carrots)
DE3872849T2 (de) Alles enthaltende zusammensetzung fuer die behandlung von kesselwasser.
BR9306186A (pt) Processo para tratar água e formulaçao química
JP2021070821A (ja) 亜硝酸菌固定化高分子ゲル、亜硝酸菌固定化高分子ゲルの製造方法及び水処理方法
JPH01125311A (ja) 防藻殺菌剤
TH32962EX (th) การใช้พอลิเมอร์ที่ละลายน้ำได้พร้อมกับโอโซนในระบบน้ำหล่อเย็น
DE59401005D1 (de) Mittel zur Verhinderung von Ausscheidungen und von Sauerstoffkorrosion in Prozesswässern
Kramer et al. Glutaraldehyde: microbiological control
JPH06335695A (ja) 活性汚泥のバルキング現象防止剤および活性汚泥のバルキング現象防止方法
TH32962A (th) การใช้พอลิเมอร์ที่ละลายน้ำได้พร้อมกับโอโซนในระบบน้ำหล่อเย็น
RU2156599C1 (ru) Способ предотвращения заплесневения табака
JPS55129195A (en) Filamentous bacteria exterminating method in activated sludge treatment
JPS5645794A (en) Solid-liquid separation method of suspension

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee