EP0522161A4 - Korrosionsschutzmittel und -verfahren für ein dampf- und kondensatorsystem. - Google Patents

Korrosionsschutzmittel und -verfahren für ein dampf- und kondensatorsystem.

Info

Publication number
EP0522161A4
EP0522161A4 EP19910906425 EP91906425A EP0522161A4 EP 0522161 A4 EP0522161 A4 EP 0522161A4 EP 19910906425 EP19910906425 EP 19910906425 EP 91906425 A EP91906425 A EP 91906425A EP 0522161 A4 EP0522161 A4 EP 0522161A4
Authority
EP
European Patent Office
Prior art keywords
steam
corrosion
condenser system
inhibitor
corrosion inhibitor
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.)
Granted
Application number
EP19910906425
Other languages
English (en)
French (fr)
Other versions
EP0522161A1 (de
EP0522161B1 (de
Inventor
Shunichi Akama
Takanobu Sasa
Tokuko Yanagisawa
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.)
Aquas Corp
Original Assignee
Aquas Corp
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 Aquas Corp filed Critical Aquas Corp
Publication of EP0522161A4 publication Critical patent/EP0522161A4/de
Publication of EP0522161A1 publication Critical patent/EP0522161A1/de
Application granted granted Critical
Publication of EP0522161B1 publication Critical patent/EP0522161B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K21/00Steam engine plants not otherwise provided for
    • F01K21/06Treating live steam, other than thermodynamically, e.g. for fighting deposits in engine
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/02Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting 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 organic inhibitors
    • C23F11/12Oxygen-containing compounds
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting 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 organic inhibitors
    • C23F11/12Oxygen-containing compounds
    • C23F11/122Alcohols; Aldehydes; Ketones
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D11/00Feed-water supply not provided for in other main groups
    • F22D11/006Arrangements of feedwater cleaning with a boiler

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
EP91906425A 1990-03-30 1991-03-28 Korrosionsschutzmittel und -verfahren für ein dampf- und kondensatorsystem Expired - Lifetime EP0522161B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP81011/90 1990-03-30
JP8101190 1990-03-30
PCT/JP1991/000410 WO1991015612A1 (fr) 1990-03-30 1991-03-28 Inhibiteur de corrosion pour la vapeur et les systemes condenseurs, et procede associe d'inhibition de la corrosion
AU78489/91A AU643796B2 (en) 1990-03-30 1991-06-18 Anticorrosive agent of steam and condenser systems and anticorrosive method of steam and condenser systems

Publications (3)

Publication Number Publication Date
EP0522161A4 true EP0522161A4 (de) 1992-10-23
EP0522161A1 EP0522161A1 (de) 1993-01-13
EP0522161B1 EP0522161B1 (de) 1995-02-15

Family

ID=25638933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91906425A Expired - Lifetime EP0522161B1 (de) 1990-03-30 1991-03-28 Korrosionsschutzmittel und -verfahren für ein dampf- und kondensatorsystem

Country Status (6)

Country Link
EP (1) EP0522161B1 (de)
AT (1) ATE118559T1 (de)
AU (1) AU643796B2 (de)
CA (1) CA2069952A1 (de)
DE (1) DE69107449T2 (de)
WO (1) WO1991015612A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115161644A (zh) * 2021-12-17 2022-10-11 青岛华节鼎孚节能科技有限公司 用于汽液两相运送的管道腐蚀抑制剂及制备方法和应用

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10137130C1 (de) * 2001-07-30 2003-03-13 Excor Korrosionsforschung Gmbh Dampfphasen-Korrosionsinhibitoren, Verfahren zu deren Zubereitung und Verwendung
US7311877B2 (en) * 2003-07-31 2007-12-25 General Electric Company Inhibition of corrosion in fluid systems
US7407623B2 (en) * 2003-12-09 2008-08-05 Ge Betz, Inc. Steam condensate corrosion inhibitor compositions and methods
US7527638B2 (en) 2003-12-16 2009-05-05 Depuy Spine, Inc. Methods and devices for minimally invasive spinal fixation element placement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039130A1 (de) * 1980-04-28 1981-11-04 Betz Europe, Inc. Aromatische Verbindungen zum Entfernen von Sauerstoff aus einem wässrigen Medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149037A (en) * 1962-09-07 1964-09-15 Hoffmann La Roche Vitamin compositions
JPS4958084A (de) * 1972-10-10 1974-06-05
JPS63137184A (ja) * 1986-11-28 1988-06-09 Nippon Oil & Fats Co Ltd 水性錆止め剤

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039130A1 (de) * 1980-04-28 1981-11-04 Betz Europe, Inc. Aromatische Verbindungen zum Entfernen von Sauerstoff aus einem wässrigen Medium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch, Week 7521, Derwent Publications Ltd., London, GB; Class B03, AN 75-34803W & JP-A-49 058 084 (YAMASHITA S.) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115161644A (zh) * 2021-12-17 2022-10-11 青岛华节鼎孚节能科技有限公司 用于汽液两相运送的管道腐蚀抑制剂及制备方法和应用
CN115161644B (zh) * 2021-12-17 2023-05-30 青岛华节鼎孚节能科技有限公司 用于汽液两相运送的管道腐蚀抑制剂及制备方法和应用

Also Published As

Publication number Publication date
AU7848991A (en) 1993-01-07
CA2069952A1 (en) 1991-10-01
DE69107449T2 (de) 1995-08-10
DE69107449D1 (de) 1995-03-23
EP0522161A1 (de) 1993-01-13
EP0522161B1 (de) 1995-02-15
AU643796B2 (en) 1993-11-25
WO1991015612A1 (fr) 1991-10-17
ATE118559T1 (de) 1995-03-15

Similar Documents

Publication Publication Date Title
EP0700987A3 (de) Verfahren zur Korrosionsinhibierung in wässrigen Systemen
PT882280E (pt) Processo e sistema para aumentar a limpeza das maos
DE3785265D1 (de) Kesselsteininhibitor.
PT97364A (pt) Processo de inibicao ou prevencao da corrosao e/ou incrustacao em sistemas aquosos
ATE225778T1 (de) Hypolipemische verbindungen
ES2131185T3 (es) Arilalcanil-n-hidroxiureas y heteroalquilalcanil-n-hidroxiureas sustituidas que pueden inhibir la biosintesis de leucotrienos.
MX9206360A (es) Metodo para barrer o depurar el oxigeno del agua de las calderas
EP0522161A4 (de) Korrosionsschutzmittel und -verfahren für ein dampf- und kondensatorsystem.
ATE173035T1 (de) Zusammensetzung und verfahren zum abfangen von sauerstoff
Akama et al. Corrosion Inhibitor for Steam and Condenser System and Corrosion Inhibition Method Therefor
NO20014940D0 (no) Halogenresistente korrosjonsinhibitorer
US5352368A (en) Aldehyde treatment system
FR2514746B1 (fr) Agent inhibiteur d'incrustations et de precipitation pour le traitement des eaux industrielles et/ou domestiques
KR950007473B1 (ko) 증기 및 복수계의 방식제 및 증기 복수계의 방식방법
SE9102931A (de)
US20050048174A1 (en) Process for safely decontaminating the chill water used in meat processing
Griffoul Reagents used in treatment of water for boilers cooling systems and sterilization equipment
Franco The Successful Use of Non-Chromate Cooling Water Treatments
Duke Hazardous waste minimization. A site specific risk assessment approach for evaluating industrial waste management measures
Ellis NEUTRALIZATION OF ACID FLUXES FOR SOFT SOLDERING
WO1995007241A1 (de) Scale-inhibitor auf kohlehydratbasis
Hagenfeldt Stainless steels in chlorinated waters
FR2685451B1 (fr) Dispositif de protection contre l'encrassement des parois d'un reacteur de traitement des fumees.
Radnai et al. Corrosion Protection of the Inner Surface of a Pipeline for Drinking-Water
Kyazimov et al. Derivatives of Pyrazoles as Corrosion Inhibitors on Heterogeneous Systems

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19920706

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE

17Q First examination report despatched

Effective date: 19930311

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19950215

Ref country code: CH

Effective date: 19950215

Ref country code: LI

Effective date: 19950215

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19950215

Ref country code: NL

Effective date: 19950215

Ref country code: DK

Effective date: 19950215

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19950215

Ref country code: AT

Effective date: 19950215

Ref country code: BE

Effective date: 19950215

REF Corresponds to:

Ref document number: 118559

Country of ref document: AT

Date of ref document: 19950315

Kind code of ref document: T

ET Fr: translation filed
REF Corresponds to:

Ref document number: 69107449

Country of ref document: DE

Date of ref document: 19950323

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19950331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19950515

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19960228

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19960319

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19960401

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19970328

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19970328

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971128

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19971202

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST