BR9406139A - Processo para limpar crosta de sistema de tubos de distribuição de água potável - Google Patents

Processo para limpar crosta de sistema de tubos de distribuição de água potável

Info

Publication number
BR9406139A
BR9406139A BR9406139A BR9406139A BR9406139A BR 9406139 A BR9406139 A BR 9406139A BR 9406139 A BR9406139 A BR 9406139A BR 9406139 A BR9406139 A BR 9406139A BR 9406139 A BR9406139 A BR 9406139A
Authority
BR
Brazil
Prior art keywords
pipe
sediment
scale
water distribution
distribution system
Prior art date
Application number
BR9406139A
Other languages
English (en)
Portuguese (pt)
Inventor
Allen C Hieatt
Jerome H Ludwig
Original Assignee
Herc Prod Inc
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
Priority claimed from US08/036,188 external-priority patent/US5360488A/en
Application filed by Herc Prod Inc filed Critical Herc Prod Inc
Publication of BR9406139A publication Critical patent/BR9406139A/pt

Links

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
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/08—Acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/32—Organic compounds containing nitrogen
    • C11D7/3218—Alkanolamines or alkanolimines
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
    • C11D2111/20—
BR9406139A 1993-03-23 1994-03-22 Processo para limpar crosta de sistema de tubos de distribuição de água potável BR9406139A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/036,188 US5360488A (en) 1993-03-23 1993-03-23 Method of cleaning and maintaining water distribution pipe systems
US20995394A 1994-03-17 1994-03-17
PCT/US1994/003065 WO1994021865A1 (en) 1993-03-23 1994-03-22 Method of cleaning and maintaining potable water distribution pipe systems

Publications (1)

Publication Number Publication Date
BR9406139A true BR9406139A (pt) 1996-01-30

Family

ID=26712917

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9406139A BR9406139A (pt) 1993-03-23 1994-03-22 Processo para limpar crosta de sistema de tubos de distribuição de água potável

Country Status (8)

Country Link
EP (1) EP0690944B1 (ja)
JP (1) JP3597193B2 (ja)
AT (1) ATE170583T1 (ja)
AU (1) AU673426B2 (ja)
BR (1) BR9406139A (ja)
CA (1) CA2157916C (ja)
DE (1) DE69413017T2 (ja)
WO (1) WO1994021865A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035419A1 (en) * 1994-06-20 1995-12-28 H.E.R.C. Products Incorporated Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
US5755155A (en) * 1997-02-28 1998-05-26 Tetra Laval Holdings & Finance S.A. Aseptic process interface group
JPH11141713A (ja) * 1997-09-05 1999-05-28 Tetra Laval Holdings & Finance Sa 無菌弁組立体
JP2002052322A (ja) * 2000-08-10 2002-02-19 Kurita Water Ind Ltd 洗浄方法
JP4283098B2 (ja) * 2003-12-04 2009-06-24 花王株式会社 金属成分の処理液
JP5200326B2 (ja) * 2006-03-30 2013-06-05 栗田工業株式会社 スケール洗浄剤及びスケール除去方法
WO2016068525A1 (ko) * 2014-10-27 2016-05-06 이기원 스케일 제거 방법
RU2594426C1 (ru) * 2015-02-26 2016-08-20 Акционерное общество "Научно-исследовательский и проектный институт по переработке газа" (АО "НИПИгазпереработка") Способ очистки внутренней поверхности технологического оборудования и трубопроводов (варианты)
CA2969174A1 (en) 2017-06-02 2018-12-02 Fluid Energy Group Ltd. Novel modified acid compositions as alternatives to conventional acids in the oil and gas industry
DE202019003089U1 (de) * 2019-07-24 2020-10-27 Josef Schallameier Entkalkung von unter Druck stehenden Rohrleitungen beliebiger Länge

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667487A (en) * 1970-12-11 1972-06-06 Richardson Chem Cleaning Servi Integrated chemical cleaning apparatus
US4025359A (en) * 1974-04-01 1977-05-24 Connelly Jr George F Inhibited acid composition for cleaning water systems
DE3066305D1 (en) * 1979-10-24 1984-03-01 Fischer Ag Georg Method and apparatus for rinsing, cleaning, disinfecting and coating a conduit on the interior, especially a water conduit in a new construction
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
EP0183894B1 (de) * 1984-11-30 1991-07-24 Feldmann-Chemie GmbH Verwendung von Mischung aus organischen und/oder anorganischen Säuren und/oder sauren Salzen zur Entfernung von eisen- und manganhaltigen Ablagerungen und Verockerungen
FR2602571B1 (fr) * 1986-08-06 1989-02-03 Assainissement Rationnel Pompa Procede de nettoyage d'une conduite notamment d'un reseau de distribution d'eau potable et systeme pour la mise en oeuvre de ce procede
DE3631459A1 (de) * 1986-09-16 1988-03-24 Wegener Paul Verfahren zum innenreinigen von verzweigten rohrleitungen und/oder aggregaten sowie vorrichtung zur durchfuehrung dieses verfahrens
DE3731441A1 (de) * 1987-08-13 1989-02-23 Imhof Elisabeth Verfahren und vorrichtung zur reinigung, korrosionsbeseitigung, ggf. entkalkung und versiegelung von gebaeudewasserinstallationen
DE3828229A1 (de) * 1988-08-19 1990-02-22 Feldmann Chemie Gmbh Mittel zur reinigung, desinfektion und wartung von trinkwasseranlagen und anlagen der getraenkeindustrie
DE4015201A1 (de) * 1990-05-11 1991-11-14 Heimo Wessollek Reiniger fuer trinkwasseranlagen
DE4015202A1 (de) * 1990-05-11 1991-11-14 Heimo Wessollek Reiniger fuer trinkwasseranlagen
US5322635A (en) * 1991-05-16 1994-06-21 H.E.R.C. Incorporated Soap compositions of carboxylic acids and amines useful in removal and prevention of scale
DE4125315C2 (de) * 1991-07-31 1995-09-28 Oertzen Arndt H Gmbh & Co Vorrichtung zum Reinigen von Rohrleitungen

Also Published As

Publication number Publication date
JP3597193B2 (ja) 2004-12-02
EP0690944B1 (en) 1998-09-02
EP0690944A1 (en) 1996-01-10
WO1994021865A1 (en) 1994-09-29
AU673426B2 (en) 1996-11-07
DE69413017D1 (de) 1998-10-08
JPH08509908A (ja) 1996-10-22
AU6490394A (en) 1994-10-11
CA2157916C (en) 2000-01-25
CA2157916A1 (en) 1994-09-29
ATE170583T1 (de) 1998-09-15
DE69413017T2 (de) 1999-01-28

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 16A ANUI DADE.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO 24.3 NA RPI 2066 DE 10/08/2010, E COMPROVAR O RECOLHIMENTO DA 17A,18A E 19A ANUIDADES.

B15K Others concerning applications: alteration of classification

Ipc: B08B 9/032 (2006.01), C11D 7/08 (2006.0