JPS57107297A - Method for removing scale - Google Patents

Method for removing scale

Info

Publication number
JPS57107297A
JPS57107297A JP55182895A JP18289580A JPS57107297A JP S57107297 A JPS57107297 A JP S57107297A JP 55182895 A JP55182895 A JP 55182895A JP 18289580 A JP18289580 A JP 18289580A JP S57107297 A JPS57107297 A JP S57107297A
Authority
JP
Japan
Prior art keywords
line
exchange resin
chelating agent
scale
ion exchange
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.)
Pending
Application number
JP55182895A
Other languages
Japanese (ja)
Inventor
Hitoshi Miyamoto
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP55182895A priority Critical patent/JPS57107297A/en
Publication of JPS57107297A publication Critical patent/JPS57107297A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C23G1/36—Regeneration of waste pickling liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)

Abstract

PURPOSE:To regenerate a chelating agent by adsorbing dissolved scale on an ion exchange resin and reduce scale removal time by supplying the chelating agent and the cation exchange resin as a cleaning agent in cleaning away of scale. CONSTITUTION:A circulation system of pipings 2, 6, 8, 7 is provided to a cleaning object 1. Next, a chelating agent soln. from the line 8 is mixed with the ion exchange resin from the line 6 in an ejector type mixer 5 by means of a pump 4, and is supplied to the object 1 through the line 7. The washing liquid removing scale flows through the line 2 into a solid-liquid separator 5, where it is separated to the chelating agent soln. and the ion exchange resin. The chelating agent soln. is separated to the line 8 and the ion exchange resin to the line 6. At this time, the cation exchange resin adsorbing the scale components of the chelating agent soln. is withdrawn from the line 9 and is regenerated. The regenerated ion exchange resin is replenished through the line 10 and is mixed with the regenerated chelating agent soln. in the mixer 5, whereby the mixture is used for the scale removal.
JP55182895A 1980-12-25 1980-12-25 Method for removing scale Pending JPS57107297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55182895A JPS57107297A (en) 1980-12-25 1980-12-25 Method for removing scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55182895A JPS57107297A (en) 1980-12-25 1980-12-25 Method for removing scale

Publications (1)

Publication Number Publication Date
JPS57107297A true JPS57107297A (en) 1982-07-03

Family

ID=16126262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55182895A Pending JPS57107297A (en) 1980-12-25 1980-12-25 Method for removing scale

Country Status (1)

Country Link
JP (1) JPS57107297A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200117A (en) * 1989-04-03 1993-04-06 Mobil Oil Corporation Sulfate scale dissolution
US5259980A (en) * 1989-04-03 1993-11-09 Mobil Oil Corporation Compositions for dissolution of sulfate scales
US5282995A (en) * 1989-04-03 1994-02-01 Mobil Oil Corporation Composition for removing an alkaline earth metal sulfate scale
CN104724838A (en) * 2015-03-18 2015-06-24 北京蓝星清洗有限公司 Low-phosphorus corrosion/scale inhibitor for circulating cooling water
CN104724839A (en) * 2013-12-20 2015-06-24 张洪 Industrial circulating water treatment agent

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200117A (en) * 1989-04-03 1993-04-06 Mobil Oil Corporation Sulfate scale dissolution
US5259980A (en) * 1989-04-03 1993-11-09 Mobil Oil Corporation Compositions for dissolution of sulfate scales
US5282995A (en) * 1989-04-03 1994-02-01 Mobil Oil Corporation Composition for removing an alkaline earth metal sulfate scale
CN104724839A (en) * 2013-12-20 2015-06-24 张洪 Industrial circulating water treatment agent
CN104724838A (en) * 2015-03-18 2015-06-24 北京蓝星清洗有限公司 Low-phosphorus corrosion/scale inhibitor for circulating cooling water

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