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FR1302041A - Process for the direct production of lower hydrates of ferrous sulphate and regeneration of sulfuric acid from pickling baths - Google Patents

Process for the direct production of lower hydrates of ferrous sulphate and regeneration of sulfuric acid from pickling baths

Info

Publication number
FR1302041A
FR1302041A FR870182A FR870182A FR1302041A FR 1302041 A FR1302041 A FR 1302041A FR 870182 A FR870182 A FR 870182A FR 870182 A FR870182 A FR 870182A FR 1302041 A FR1302041 A FR 1302041A
Authority
FR
France
Prior art keywords
regeneration
sulfuric acid
ferrous sulphate
direct production
pickling baths
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
FR870182A
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 to NL267927D priority Critical patent/NL267927A/xx
Application filed by Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Priority to FR870182A priority patent/FR1302041A/en
Application granted granted Critical
Publication of FR1302041A publication Critical patent/FR1302041A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/14—Sulfates
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
FR870182A 1961-08-04 1961-08-04 Process for the direct production of lower hydrates of ferrous sulphate and regeneration of sulfuric acid from pickling baths Expired FR1302041A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL267927D NL267927A (en) 1961-08-04
FR870182A FR1302041A (en) 1961-08-04 1961-08-04 Process for the direct production of lower hydrates of ferrous sulphate and regeneration of sulfuric acid from pickling baths

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR870182A FR1302041A (en) 1961-08-04 1961-08-04 Process for the direct production of lower hydrates of ferrous sulphate and regeneration of sulfuric acid from pickling baths

Publications (1)

Publication Number Publication Date
FR1302041A true FR1302041A (en) 1962-08-24

Family

ID=8760837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870182A Expired FR1302041A (en) 1961-08-04 1961-08-04 Process for the direct production of lower hydrates of ferrous sulphate and regeneration of sulfuric acid from pickling baths

Country Status (2)

Country Link
FR (1) FR1302041A (en)
NL (1) NL267927A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005040040A1 (en) * 2003-10-06 2005-05-06 Tronox Pigments Gmbh Method for processing iron-laden spent sulfuric acid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005040040A1 (en) * 2003-10-06 2005-05-06 Tronox Pigments Gmbh Method for processing iron-laden spent sulfuric acid
JP2007508226A (en) * 2003-10-06 2007-04-05 トロノックス・ピグメンツ・ゲーエムベーハー Treatment method of waste sulfuric acid mixed with iron
US7537749B2 (en) 2003-10-06 2009-05-26 Tronox Pigments Gmbh Method for processing iron-laden spent sulfuric acid
JP4745235B2 (en) * 2003-10-06 2011-08-10 トロノックス・ピグメンツ・ゲーエムベーハー Treatment method of waste sulfuric acid mixed with iron

Also Published As

Publication number Publication date
NL267927A (en)

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