CH551929A - METHOD FOR RECOVERING IRON IONS IN OXIDE AND / OR ELEMENTARY FORM FROM IRON SULPHATES. - Google Patents

METHOD FOR RECOVERING IRON IONS IN OXIDE AND / OR ELEMENTARY FORM FROM IRON SULPHATES.

Info

Publication number
CH551929A
CH551929A CH913472A CH913472A CH551929A CH 551929 A CH551929 A CH 551929A CH 913472 A CH913472 A CH 913472A CH 913472 A CH913472 A CH 913472A CH 551929 A CH551929 A CH 551929A
Authority
CH
Switzerland
Prior art keywords
iron
oxide
sulphates
elementary form
recovering
Prior art date
Application number
CH913472A
Other languages
French (fr)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of CH551929A publication Critical patent/CH551929A/en

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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/507—Preparation of sulfur dioxide by reduction of sulfur compounds of iron sulfates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/08—Ferroso-ferric oxide [Fe3O4]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Iron (AREA)
  • Treating Waste Gases (AREA)
CH913472A 1971-06-28 1972-06-16 METHOD FOR RECOVERING IRON IONS IN OXIDE AND / OR ELEMENTARY FORM FROM IRON SULPHATES. CH551929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7123503A FR2143543B1 (en) 1971-06-28 1971-06-28

Publications (1)

Publication Number Publication Date
CH551929A true CH551929A (en) 1974-07-31

Family

ID=9079429

Family Applications (1)

Application Number Title Priority Date Filing Date
CH913472A CH551929A (en) 1971-06-28 1972-06-16 METHOD FOR RECOVERING IRON IONS IN OXIDE AND / OR ELEMENTARY FORM FROM IRON SULPHATES.

Country Status (7)

Country Link
BE (1) BE785073A (en)
CH (1) CH551929A (en)
DE (1) DE2231200A1 (en)
FR (1) FR2143543B1 (en)
GB (1) GB1376837A (en)
IT (1) IT956884B (en)
LU (1) LU65561A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2653765A1 (en) * 1976-11-26 1978-06-01 Bayer Ag PROCESS FOR THE PRODUCTION OF IRON OXIDE BLACK PIGMENTS
CN110760681B (en) * 2019-10-31 2021-04-02 洛阳炬星窑炉有限公司 Method for extracting sulfuric acid and nickel-chromium-iron alloy from stainless steel pickling waste liquid

Also Published As

Publication number Publication date
FR2143543A1 (en) 1973-02-09
BE785073A (en) 1972-12-19
GB1376837A (en) 1974-12-11
FR2143543B1 (en) 1974-03-08
LU65561A1 (en) 1973-01-22
DE2231200A1 (en) 1973-01-11
IT956884B (en) 1973-10-10

Similar Documents

Publication Publication Date Title
BE878154A (en) IRON OXIDE REDUCTION PROCESS.
BE839881A (en) PERFECTED PROCESS FOR THE RECOVERY OF ETHYLENE OXIDE
BE885755A (en) METHOD, MACHINE AND INSTALLATION FOR RECOVERING CONSTITUENT MATERIALS FROM WASTE BATTERIES, IN PARTICULAR THE LEAD
BE825584A (en) SULPHUROUS ANHYDRIDE RECOVERY PROCESS
BE795169A (en) IRON CHLORIDE OXIDATION PROCESS
FR2610313B1 (en) SYNTHETIC STEVENSITY, ION EXCHANGE MATERIAL, AQUEOUS THICKENING AGENT AND HYDROGEL CONTAINING THE SAME, AND PROCESS FOR PRODUCING THE SAME
BE787944A (en) ISOPRENE RECOVERY PROCESS
FR2348272A1 (en) BASIC CONVERTER DAIRY TREATMENT PROCESS, ESPECIALLY FOR RECOVERING IRON AND MANGANESE
BE827125A (en) IMPROVED PROCESS FOR THE PREPARATION OF 1,6-HEXANEDIOL
CH551929A (en) METHOD FOR RECOVERING IRON IONS IN OXIDE AND / OR ELEMENTARY FORM FROM IRON SULPHATES.
FR2322099A1 (en) PROCESS FOR THE RECOVERY AND RECOVERY OF WASTE FROM THE MANUFACTURING OF CHROMIC ANHYDRIDE
BE750157A (en) MONEY RECOVERY PROCESS
FR2586703B1 (en) PROCESS FOR EXTRACTING PLACENTAL COLLAGENS, COLLAGENS OBTAINED IN PARTICULAR IN THE FORM OF GELS OR SOLUTIONS AND THEIR APPLICATIONS
CA974731A (en) Procede de fabrication de soufre ou d'anhydride sulfureux a partir de sulfates d'ammonium
FR2490679B1 (en) PROCESS FOR RECOVERING URANIUM FROM URANIFEROUS MATERIAL CONTAINING IRON, ARSENIC AND SILICAOUS MATERIAL
BE763962A (en) MONEY RECOVERY PROCESS
BE830076A (en) ENZYME RECOVERY PROCESS
OA03571A (en) Process for the controlled reduction of nickel-bearing iron oxide ores.
BE766977A (en) PROCESS FOR TREATING IRON AND STEEL SURFACES
BE769840A (en) IRON ORE AGGLOMERATION PROCESS.
BE793579A (en) PROCESS FOR RECOVERING COBALT IN THE FORM OF COBALT-CARBONYL HYDRIDE
FR2276386A2 (en) PROCESS FOR REDUCING OXIDES IN THE MELTING STATE, IN PARTICULAR MATERIALS CONTAINING IRON OXIDES
FR2322098A1 (en) PROCESS FOR IMPROVING THE RECOVERY OF PURE ZINC OXIDE
BE786612A (en) PROCESS FOR CONSTRUCTING A ROOF IN THE FORM OF A DOME, DOME AND FRAMES THUS OBTAINED
BE752528A (en) PRESSURE OXIDIZATION PROCESS

Legal Events

Date Code Title Description
PL Patent ceased