FR792440A - Process for regenerating ferrous metal pickling baths with phosphoric acid - Google Patents

Process for regenerating ferrous metal pickling baths with phosphoric acid

Info

Publication number
FR792440A
FR792440A FR792440DA FR792440A FR 792440 A FR792440 A FR 792440A FR 792440D A FR792440D A FR 792440DA FR 792440 A FR792440 A FR 792440A
Authority
FR
France
Prior art keywords
phosphoric acid
ferrous metal
pickling baths
metal pickling
regenerating
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
Application number
Other languages
French (fr)
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.)
Kuhlmann SA
Original Assignee
Kuhlmann SA
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 Kuhlmann SA filed Critical Kuhlmann SA
Application granted granted Critical
Publication of FR792440A publication Critical patent/FR792440A/en
Expired 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
FR792440D 1935-12-27 1935-07-16 Process for regenerating ferrous metal pickling baths with phosphoric acid Expired FR792440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46846T 1935-12-27

Publications (1)

Publication Number Publication Date
FR792440A true FR792440A (en) 1935-12-31

Family

ID=8682414

Family Applications (2)

Application Number Title Priority Date Filing Date
FR792440D Expired FR792440A (en) 1935-12-27 1935-07-16 Process for regenerating ferrous metal pickling baths with phosphoric acid
FR46846D Expired FR46846E (en) 1935-12-27 1935-12-27 Process for regeneration of ferrous metal pickling baths with phosphoric acid

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR46846D Expired FR46846E (en) 1935-12-27 1935-12-27 Process for regeneration of ferrous metal pickling baths with phosphoric acid

Country Status (3)

Country Link
US (1) US2087230A (en)
BE (1) BE410539A (en)
FR (2) FR792440A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428464A (en) * 1945-02-09 1947-10-07 Westinghouse Electric Corp Method and composition for etching metal
US2476345A (en) * 1946-09-03 1949-07-19 Zavarella Arthur Process for phosphating stainless steel surfaces
US3144361A (en) * 1955-11-10 1964-08-11 Klinghoffer Stefan Pretreating iron or steel
US3010853A (en) * 1959-05-14 1961-11-28 Solvent Service Inc Method of cleaning pipes and the like
US3281268A (en) * 1959-08-24 1966-10-25 Dow Chemical Co Scale removal
US3932243A (en) * 1973-07-20 1976-01-13 Fremont Industries, Inc. Cleaning and polishing compound for barrel and vibratory finishing of ferrous and non-ferrous metals
EP3134559A4 (en) 2014-04-22 2018-04-04 Green Future Ltd. Method and formulations for removing rust and scale from steel and for regenerating pickling liquor in hot-dip galvanization process

Also Published As

Publication number Publication date
US2087230A (en) 1937-07-20
FR46846E (en) 1936-09-12
BE410539A (en)

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