KR970062071A - 피팅 부식 방지 방법 - Google Patents

피팅 부식 방지 방법 Download PDF

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Publication number
KR970062071A
KR970062071A KR1019970005224A KR19970005224A KR970062071A KR 970062071 A KR970062071 A KR 970062071A KR 1019970005224 A KR1019970005224 A KR 1019970005224A KR 19970005224 A KR19970005224 A KR 19970005224A KR 970062071 A KR970062071 A KR 970062071A
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KR
South Korea
Prior art keywords
hydrogen peroxide
water system
added
circulating water
copper
Prior art date
Application number
KR1019970005224A
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English (en)
Other versions
KR100314163B1 (ko
Inventor
유이치 오노
Original Assignee
다케토시 가즈오
구리타 고교 가부시키가이샤
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 다케토시 가즈오, 구리타 고교 가부시키가이샤 filed Critical 다케토시 가즈오
Publication of KR970062071A publication Critical patent/KR970062071A/ko
Application granted granted Critical
Publication of KR100314163B1 publication Critical patent/KR100314163B1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • 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
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

구리 또는 구리 합금을 갖는 축열수 시스템 또는 밀폐수 시스템과 같은 물시스템에 과산화수소 또는 과산화수소 생성제를 첨가하여 순환수에서 과산화수소의 농도가 1 내지 200mgH2O2/L이 되도록 한다. 과산화수소는 산소를 생성하고, 산소는 미생물 오염이 제거되어 미생물 오염으로 인한 구리 또는 구리 합금의 피팅 부식이 방지되도록 미생물에 직접적으로 작용한다.

Description

피팅 부식 방지 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예들에 사용된 순환 시헙 장치를 도시한 개략도.
제2도는 실시예 1에 따른 구리관의 자연 전위 값의 변화를 나타낸 그래프.

Claims (8)

  1. 구리 또는 구리 합금이 구비된 물 시스템에서 피팅 부식을 방지하는 방법으로서, 과산화수소 또는 과산화수소 생성제를 상기 물 시스템의 순환수에서 첨가하여 순환수에서의 과산화수소의 농도가 1 내지 200mgH2O2/L이 되도록 하는 단계를 포함하는 것을 특징으로 하는 피팅 부식 방지 방법.
  2. 제1항에 있어서, 상기 물 시스템은 축열수 시스템 또는 밀폐수 시스템인 것을 특징으로 하는 방법.
  3. 제1항에 있어서, 상기 과산화수소 생성제는 하나 이상의 퍼옥소 화합물의 수용액인 것을 특징으로 하는 방법.
  4. 제3항에 있어서, 상기 퍼옥소 화합물은 퍼옥소카보네이트, 퍼옥소아세테이트, 퍼옥소포스페이트로 이루어진 군으로부터 선택된 하나 이상인 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 상기 과산화수소를 순환수에서의 농도가 10 내지 150mgH2O2/L이 되도록 첨가하는 것을 특징으로 하는 방법.
  6. 제1항에 있어서, 상기 과산화수소 또는 상기 과산화수소 생성제를 상기 순환수에 간혈적으로 첨가하는 것을 특징으로 하는 방법.
  7. 제1항에 있어서, 상기 과산화수소 또는 상기 과산화수소 생성제를 상기 순환수에 연속적으로 첨가하는 것을 특징으로 하는 방법.
  8. 제1항에 있어서, 구기관 또는 구리 합금관의 잔류 전위가 +150mV 미만이 되도록 상기 순환수에 상기 과산화수소 또는 과산화수소 생성제를 첨가하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970005224A 1996-02-23 1997-02-21 피팅부식방지방법 KR100314163B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP03646596A JP3747504B2 (ja) 1996-02-23 1996-02-23 銅の孔食防止方法
JP96-36465 1996-02-23

Publications (2)

Publication Number Publication Date
KR970062071A true KR970062071A (ko) 1997-09-12
KR100314163B1 KR100314163B1 (ko) 2002-01-17

Family

ID=12470568

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970005224A KR100314163B1 (ko) 1996-02-23 1997-02-21 피팅부식방지방법

Country Status (6)

Country Link
US (1) US5736097A (ko)
JP (1) JP3747504B2 (ko)
KR (1) KR100314163B1 (ko)
CN (1) CN1078630C (ko)
MY (1) MY113639A (ko)
SG (1) SG67371A1 (ko)

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JP2001172783A (ja) * 1999-12-13 2001-06-26 Aquas Corp 銅防食剤及び銅防食方法
WO2001098558A2 (en) * 2000-06-22 2001-12-27 United States Filter Corporation Corrosion control utilizing a hydrogen peroxide donor
US6716359B1 (en) 2000-08-29 2004-04-06 United States Filter Corporation Enhanced time-based proportional control
US6620315B2 (en) 2001-02-09 2003-09-16 United States Filter Corporation System for optimized control of multiple oxidizer feedstreams
US6776926B2 (en) * 2001-08-09 2004-08-17 United States Filter Corporation Calcium hypochlorite of reduced reactivity
US7108781B2 (en) * 2002-02-26 2006-09-19 Usfilter Corporation Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals
US6991735B2 (en) * 2002-02-26 2006-01-31 Usfilter Corporation Free radical generator and method
US10343939B2 (en) 2006-06-06 2019-07-09 Evoqua Water Technologies Llc Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
WO2007146671A2 (en) 2006-06-06 2007-12-21 Fluid Lines Ultaviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US8753522B2 (en) 2007-04-03 2014-06-17 Evoqua Water Technologies Llc System for controlling introduction of a reducing agent to a liquid stream
US9365435B2 (en) 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Actinic radiation reactor
US9365436B2 (en) 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Method of irradiating a liquid
US8961798B2 (en) 2007-04-03 2015-02-24 Evoqua Water Technologies Llc Method for measuring a concentration of a compound in a liquid stream
US9725343B2 (en) 2007-04-03 2017-08-08 Evoqua Water Technologies Llc System and method for measuring and treating a liquid stream
US8741155B2 (en) 2007-04-03 2014-06-03 Evoqua Water Technologies Llc Method and system for providing ultrapure water
US20080245737A1 (en) * 2007-04-03 2008-10-09 Siemens Water Technologies Corp. Method and system for providing ultrapure water
US8591730B2 (en) 2009-07-30 2013-11-26 Siemens Pte. Ltd. Baffle plates for an ultraviolet reactor
EP2527301B1 (en) 2011-05-26 2016-04-27 Evoqua Water Technologies GmbH Method and arrangement for a water treatment
JP6015358B2 (ja) * 2012-11-01 2016-10-26 栗田エンジニアリング株式会社 銅合金製熱交換器細管の防食方法
US10494281B2 (en) 2015-01-21 2019-12-03 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
US11161762B2 (en) 2015-01-21 2021-11-02 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
US11085010B2 (en) 2017-08-18 2021-08-10 Ecolab Usa Inc. Method for off-line cleaning of cooling towers

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JPS5194001A (ja) * 1975-02-14 1976-08-18 Suraimufuchakuboshihoho
JPS56136980A (en) * 1980-03-31 1981-10-26 Hitachi Ltd Corrosion preventing method for copper and copper alloy material for condenser
SU927862A1 (ru) * 1980-06-16 1982-05-15 Предприятие П/Я А-7629 Способ защиты углеродистой стали от коррозии в нейтральных водных средах
JPS5750560A (en) * 1980-09-09 1982-03-25 Sumitomo Heavy Ind Ltd Method for refining of waste gas for electrostatic dust precipitator
DE3244443C2 (de) * 1982-12-01 1986-11-06 Späne, Rainer, 7888 Rheinfelden Verfahren zur Entfernung von eisen-, calcium- und manganhaltigen Verockerungen und/oder Versinterungen aus zur Wasserversorgung betriebenen Einrichtungen
JP2995415B2 (ja) * 1990-04-06 1999-12-27 タイホー工業株式会社 高ｃｏｄ冷却水の処理方法
JP3608006B2 (ja) * 1994-11-09 2005-01-05 大塚化学ホールディングス株式会社 洗浄剤組成物

Also Published As

Publication number Publication date
MY113639A (en) 2002-04-30
SG67371A1 (en) 1999-09-21
US5736097A (en) 1998-04-07
CN1078630C (zh) 2002-01-30
JPH09228080A (ja) 1997-09-02
CN1163946A (zh) 1997-11-05
KR100314163B1 (ko) 2002-01-17
JP3747504B2 (ja) 2006-02-22

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