FR2663860B1 - FILTER FOR USE IN SEPARATING SILICIC COMPOUNDS CONTAINED IN AN ACIDIC BATH, METHOD AND DEVICE FOR SEPARATING SAID SILICIC COMPOUNDS. - Google Patents

FILTER FOR USE IN SEPARATING SILICIC COMPOUNDS CONTAINED IN AN ACIDIC BATH, METHOD AND DEVICE FOR SEPARATING SAID SILICIC COMPOUNDS.

Info

Publication number
FR2663860B1
FR2663860B1 FR9008337A FR9008337A FR2663860B1 FR 2663860 B1 FR2663860 B1 FR 2663860B1 FR 9008337 A FR9008337 A FR 9008337A FR 9008337 A FR9008337 A FR 9008337A FR 2663860 B1 FR2663860 B1 FR 2663860B1
Authority
FR
France
Prior art keywords
separating
silicic compounds
filter
silicic
acidic bath
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 - Fee Related
Application number
FR9008337A
Other languages
French (fr)
Other versions
FR2663860A1 (en
Inventor
Lothaire Scherer
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.)
Sollac SA
Original Assignee
Sollac 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 Sollac SA filed Critical Sollac SA
Priority to FR9008337A priority Critical patent/FR2663860B1/en
Publication of FR2663860A1 publication Critical patent/FR2663860A1/en
Application granted granted Critical
Publication of FR2663860B1 publication Critical patent/FR2663860B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/04—Organic material, e.g. cellulose, cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof

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)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR9008337A 1990-07-02 1990-07-02 FILTER FOR USE IN SEPARATING SILICIC COMPOUNDS CONTAINED IN AN ACIDIC BATH, METHOD AND DEVICE FOR SEPARATING SAID SILICIC COMPOUNDS. Expired - Fee Related FR2663860B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9008337A FR2663860B1 (en) 1990-07-02 1990-07-02 FILTER FOR USE IN SEPARATING SILICIC COMPOUNDS CONTAINED IN AN ACIDIC BATH, METHOD AND DEVICE FOR SEPARATING SAID SILICIC COMPOUNDS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008337A FR2663860B1 (en) 1990-07-02 1990-07-02 FILTER FOR USE IN SEPARATING SILICIC COMPOUNDS CONTAINED IN AN ACIDIC BATH, METHOD AND DEVICE FOR SEPARATING SAID SILICIC COMPOUNDS.

Publications (2)

Publication Number Publication Date
FR2663860A1 FR2663860A1 (en) 1992-01-03
FR2663860B1 true FR2663860B1 (en) 1994-03-04

Family

ID=9398235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9008337A Expired - Fee Related FR2663860B1 (en) 1990-07-02 1990-07-02 FILTER FOR USE IN SEPARATING SILICIC COMPOUNDS CONTAINED IN AN ACIDIC BATH, METHOD AND DEVICE FOR SEPARATING SAID SILICIC COMPOUNDS.

Country Status (1)

Country Link
FR (1) FR2663860B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1432661A (en) * 1965-02-09 1966-03-25 Loire Atel Forges Improvements in the treatment of pickling baths for silicon steels
US4180536A (en) * 1978-03-13 1979-12-25 Celanese Corporation Process for extruding plasticized open cell foamed cellulose acetate filters
DE2915677A1 (en) * 1979-04-18 1980-11-06 Daicel Ltd Filter aid for use in filtering alcoholic drinks - consists of refined linter fibre comprising mainly alpha-cellulose
EP0141034B1 (en) * 1983-11-08 1988-10-19 Chemirite, Ltd. Method for removing a silicic compound from the waste liquor of steel pickling
DE3511479A1 (en) * 1985-03-14 1986-09-18 Bayer Ag, 5090 Leverkusen METHOD FOR RECIRCULATING SULFURIC ACID CONTAINING METAL SULFATE

Also Published As

Publication number Publication date
FR2663860A1 (en) 1992-01-03

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Legal Events

Date Code Title Description
ST Notification of lapse