BE840982A - PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS - Google Patents

PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS

Info

Publication number
BE840982A
BE840982A BE2054956A BE2054956A BE840982A BE 840982 A BE840982 A BE 840982A BE 2054956 A BE2054956 A BE 2054956A BE 2054956 A BE2054956 A BE 2054956A BE 840982 A BE840982 A BE 840982A
Authority
BE
Belgium
Prior art keywords
recycling
solutions
partial recovery
acid
nitric acid
Prior art date
Application number
BE2054956A
Other languages
French (fr)
Inventor
A Krepler
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 filed Critical
Priority to BE2054956A priority Critical patent/BE840982A/en
Publication of BE840982A publication Critical patent/BE840982A/en

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

Description

       

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Claims (1)

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BE2054956A 1976-04-22 1976-04-22 PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS BE840982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE2054956A BE840982A (en) 1976-04-22 1976-04-22 PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2054956A BE840982A (en) 1976-04-22 1976-04-22 PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS
BE840982 1976-04-22

Publications (1)

Publication Number Publication Date
BE840982A true BE840982A (en) 1976-08-16

Family

ID=25657869

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2054956A BE840982A (en) 1976-04-22 1976-04-22 PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS

Country Status (1)

Country Link
BE (1) BE840982A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428207A1 (en) * 1978-06-07 1980-01-04 Gueugnon Forges Processing waste nitric-hydrofluoric acid pickling soln. - to give hydrofluoric acid, pure metal oxide(s) and innocuous off-gas
EP0317210A1 (en) * 1987-11-18 1989-05-24 Shinko Pantec Co., Ltd. Process for recovering nitric acid and hydrofluoric acid from waste pickle liquors
DE3825857A1 (en) * 1988-07-29 1990-02-01 Kernforschungsanlage Juelich STAINLESS ACID FOR STAINLESS STEEL AND METHOD FOR RECONSTRUCTING USED STAINLESS ACID

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428207A1 (en) * 1978-06-07 1980-01-04 Gueugnon Forges Processing waste nitric-hydrofluoric acid pickling soln. - to give hydrofluoric acid, pure metal oxide(s) and innocuous off-gas
EP0317210A1 (en) * 1987-11-18 1989-05-24 Shinko Pantec Co., Ltd. Process for recovering nitric acid and hydrofluoric acid from waste pickle liquors
US4943360A (en) * 1987-11-18 1990-07-24 Shinko Pantec Company, Limited Process for recovering nitric acid and hydrofluoric acid from waste pickle liquors
DE3825857A1 (en) * 1988-07-29 1990-02-01 Kernforschungsanlage Juelich STAINLESS ACID FOR STAINLESS STEEL AND METHOD FOR RECONSTRUCTING USED STAINLESS ACID
EP0355452A1 (en) * 1988-07-29 1990-02-28 Forschungszentrum Jülich Gmbh Pickling acid for high-grade steel, and process for treating the spent pickling acid

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