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

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)
  • Manufacture And Refinement Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
  • Processing Of Solid Wastes (AREA)

Description

       

   <EMI ID=1.1>  

  
 <EMI ID=2.1>  

  
 <EMI ID=3.1>  

  
1

  
 <EMI ID=4.1>   <EMI ID=5.1>   <EMI ID=6.1> 



   <EMI ID = 1.1>

  
 <EMI ID = 2.1>

  
 <EMI ID = 3.1>

  
1

  
 <EMI ID = 4.1> <EMI ID = 5.1> <EMI ID = 6.1>

Claims (1)

<EMI ID=7.1> <EMI ID = 7.1> &#65533;&#65533;'&#65533;Dr:A'I &#65533;1N&#65533; . &#65533; &#65533; '&#65533; Dr: A'I &#65533; 1N &#65533; . <EMI ID=8.1> <EMI ID = 8.1> / <EMI ID=9.1> / <EMI ID = 9.1>
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
BE840982 1976-04-22
BE2054956A BE840982A (en) 1976-04-22 1976-04-22 PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS

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

Similar Documents

Publication Publication Date Title
MA20164A1 (en) Heat recovery from concentrated sulfuric acid.
BE852145A (en) PROCESS FOR RECOVERING URANIUM FROM PHOSPHORIC ACID OBTAINED BY WET METHOD
FR2343712A1 (en) PROCESS FOR THE PREPARATION OF ACRYLIC ACID FROM PROPYLENE
MA20565A1 (en) PROCESS FOR RECOVERING HEAT FROM CONCENTRATED SULFURIC ACID
BE880571A (en) PROCESS FOR PRODUCING METHACRYLIC ACID AND APPROPRIATE CATALYST
FR2308611A1 (en) PROCESS FOR RECOVERING ACETIC ACID FROM ITS LOW CONCENTRATION AQUEOUS SOLUTIONS
FR2303761A1 (en) METHOD AND DEVICE FOR RECOVERING NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS
BE825584A (en) SULPHUROUS ANHYDRIDE RECOVERY PROCESS
RO79610A (en) PROCESS FOR RECOVERING ACRYLIC ACID
BE852230A (en) PROCESS FOR THE PREPARATION OF PHOSPHORIC ACID FROM PHOSPHATE ORES
BE854859A (en) PHOSPHORIC ACID PURIFICATION PROCESS
BE868207A (en) NITRIC ACID PRODUCTION PROCESS
BE840982A (en) PROCESS FOR PARTIAL RECOVERY AND RECYCLING OF NITRIC ACID AND HYDROFLUORIC ACID FROM SOLUTIONS
MA19001A1 (en) PROCESS FOR THE PURIFICATION OF A WET PHOSPHORIC ACID
BE805450A (en) PROCESS FOR RECOVERING HYDROFLUORIC ACID FROM AQUEOUS SOLUTIONS OF FLUOSILICIC ACID
BR7700753A (en) PROCESS AND DEVICE FOR THE PREPARATION OF ALCOHOLIC SOLUTIONS OF PHOSPHORIC ACID FROM ACID PHOSPHATES
BE821374A (en) NITRIC ACID RECOVERY PROCESS
BR7900138A (en) PROCESS FOR THE RECOVERY OF MOLIBDEN FROM URANIUM LIQUORS
FR2560187B1 (en) METHACRYLIC ACID RECOVERY PROCESS
BE884401A (en) IMPROVEMENT IN THE PROCESS FOR THE RECOVERY OF URANIUM FROM AN IMPURE PHOSPHORIC ACID
FR2294984A1 (en) PROCESS FOR THE MANUFACTURE OF SODIUM BICARBONATE AND BORIC ACID FROM BOROSODIUM ORES
BE884486A (en) ENERGY RECOVERY PROCESS FROM CUT-OUT
MA19328A1 (en) PROCESS FOR THE RECOVERY OF URANIUM (VI) FROM PHOSPHORIC ACID SOLUTIONS.
BE851825A (en) PROCESS FOR THE PREPARATION OF SOLUTIONS OF PURE ALKALINE PHOSPHATES FROM PHOSPHORIC ACIDS BY WET METHOD
MA19042A1 (en) PROCESS FOR THE RECOVERY OF URANIUM FROM WET PROCESS PHOSPHORIC ACID.