KR100196966B1 - 재순환 냉각수의 처리방법 - Google Patents
재순환 냉각수의 처리방법 Download PDFInfo
- Publication number
- KR100196966B1 KR100196966B1 KR1019920008895A KR920008895A KR100196966B1 KR 100196966 B1 KR100196966 B1 KR 100196966B1 KR 1019920008895 A KR1019920008895 A KR 1019920008895A KR 920008895 A KR920008895 A KR 920008895A KR 100196966 B1 KR100196966 B1 KR 100196966B1
- Authority
- KR
- South Korea
- Prior art keywords
- cooling water
- polymer
- water
- ozone
- ppm
- 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
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
Description
Claims (10)
- 초기 탄산칼슘 포화 비율이 90 이상이고 (메트)아크릴산 또는 이의 염을 50몰% 이상 함유하며 중량평균분자량이 약 1,500내지 약 35,000이고 약 18 내지 약 60℃의 온도하에 물 속에서 0.1ppm 이상의 오존에 30분 이상 동안 노출된 후에도 본래의 탄산칼슘 포화 비율을 70% 이상 보유하는 유기 수용성 비닐계 중합체와 오존을 열 전달 표면에서의 미생물 성장과 무기 스케일의 형성을 억제하는데 유효한 양으로 재순환 냉각수에 가함을 포함하여, 재순환 냉각수를 처리하는 방법.
- 제1항에 있어서, 유기 수용성 비닐계 중합체가 (메트)아크릴산의 단독중합체 또는 공중합체 및 이들의 수용성 염임을 특징으로 하는 방법.
- 제1항에 있어서, 유기 수용성 비닐계 중합체가 (메트)아크릴아미드, 말레산 무수물, N-메틸 설폰산-(메트)아크릴아미드, N-에틸 설폰산-(메트)아크릴아미드, 이타콘산, 아크릴산의 Cl-C3에스테르, 하이드록시프로필 아크릴레이트, N-t-부틸 아크릴아미드, 아크릴아미도 메틸 프로판 설폰산 및 비닐아세테이트로 이루어진 그룹 중에서 선택된 하나 이상의 비닐계 단량체와 (메트)아크릴산 및 이의 수용성 염과의 공중합체이고, 유기 수용성 비닐계 중합체가 초기에는 (메트)아크릴산 또는 이의 염을 60몰% 이상 함유하는 방법.
- 제1항 내지 제3항 중의 어느 한 항에 있어서, 오존이, 처리되는 냉각수를 기준으로 하여, 잔류 오존 농도를 0.01ppm 이상으로 유지시키기에 충분한 비율로 냉각수에 첨가되고, 처리되는 냉각수의 특성이 다음과 같은 방법.
- 제2항에 있어서, 잔류 오존 농도가, 처리되는 냉각수를 기준으로 하여 0.01ppm 이상의 농도로 유지되고, 중합체가, 초기 분자량이 2,000 내지 10,000이며 초기 탄산칼슘 포화 비율이 100 이상인 아크릴산의 단독중합체인 방법.
- 제2항에 있어서, 잔류 오존 농도가 0.05ppm 이상이고, 중합체가, 초기 분자량이 2,000 내지 25,000이고 초기 탄산칼슘 포화 비율이 80 이상인 메트아크릴산의 단독중합체인 방법.
- 제3항에 있어서, 오존량이, 처리되는 냉각수를 기준으로 하여 0.01ppm 이상의 농도로 유지되고, 공중합체가 특성이 다음과 같은 하나 이상의 중합체로 이루어진 그룹 중에서 선택되는 방법.
- 제1항 내지 제3항 및 제5항 내지 제7항 중의 어느 한 항에 있어서,중합체가, 처리되는 냉각수를 기준으로 하여, 냉각수 속의 초기 활성 중합체 농도를 2ppm 이상으로 제공하기에 충분한 비율로 재순환 냉각수에 점증적으로 또는 연속적으로 첨가되는 방법.
- 초기 탄산칼슘 포화 비율이 90 이상이고 (메트)아크릴산을 50몰% 이상 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 포화 비율을 70% 이상 보유할 수 있는 유기 수용성 비닐계 중합체를, 처리되는 물을 기준으로 하여, 2ppm 이상의 sis으로 오존화 냉각수에 가함을 포함하여, 특성이 다음과 같은 오존화 냉각수와 접촉하는 열 전달 표면에서의 경질 스케일 형성을 억제하는 방법.
- 제9항에 있어서, 초기 전체 중합체 농도를, 처리수를 기준으로 하여, 약 5 내지 약 50ppm으로 제공하도록 중합체가 오존화 냉각수에 첨가되고, 중합체가 특성이 다음과 같은 하나 이상의 중합체로부터 선택되는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7/706,469 | 1991-05-28 | ||
US07/706,469 | 1991-05-28 | ||
US07/706,469 US5171451A (en) | 1991-05-28 | 1991-05-28 | Simultaneous use of water soluble polymers with ozone in cooling water systems |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920021451A KR920021451A (ko) | 1992-12-18 |
KR100196966B1 true KR100196966B1 (ko) | 1999-06-15 |
Family
ID=24837715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920008895A Expired - Fee Related 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)
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 |
DE69318145T2 (de) * | 1993-07-08 | 1998-08-13 | Betzdearborn Inc | Kalziumkarbonatablagerungsverhinderungsmittel |
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 |
CN110691866A (zh) * | 2017-05-24 | 2020-01-14 | Bl 科技公司 | 用于低碳钢腐蚀控制的聚丙烯酸盐聚合物 |
Family Cites Families (5)
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 |
-
1991
- 1991-05-28 US US07/706,469 patent/US5171451A/en not_active Expired - Fee Related
-
1992
- 1992-04-22 AU AU15054/92A patent/AU641857B2/en not_active Ceased
- 1992-04-22 TW TW081103175A patent/TW222611B/zh active
- 1992-05-07 JP JP11443092A patent/JP3202787B2/ja not_active Expired - Fee Related
- 1992-05-11 SG SG1996008851A patent/SG44857A1/en unknown
- 1992-05-11 EP EP92304221A patent/EP0516305B1/en not_active Expired - Lifetime
- 1992-05-11 ES ES92304221T patent/ES2095402T3/es not_active Expired - Lifetime
- 1992-05-11 DE DE69214517T patent/DE69214517T2/de not_active Expired - Fee Related
- 1992-05-26 KR KR1019920008895A patent/KR100196966B1/ko not_active Expired - Fee Related
- 1992-05-27 BR BR929202005A patent/BR9202005A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SG44857A1 (en) | 1997-12-19 |
EP0516305A1 (en) | 1992-12-02 |
JPH05123698A (ja) | 1993-05-21 |
DE69214517D1 (de) | 1996-11-21 |
JP3202787B2 (ja) | 2001-08-27 |
ES2095402T3 (es) | 1997-02-16 |
AU1505492A (en) | 1992-12-03 |
DE69214517T2 (de) | 1997-03-06 |
AU641857B2 (en) | 1993-09-30 |
TW222611B (ko) | 1994-04-21 |
BR9202005A (pt) | 1993-01-12 |
EP0516305B1 (en) | 1996-10-16 |
KR920021451A (ko) | 1992-12-18 |
US5171451A (en) | 1992-12-15 |
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