DE3585298D1 - CERAMIC FILTER WITH OPEN-CELLED FOAM STRUCTURE. - Google Patents

CERAMIC FILTER WITH OPEN-CELLED FOAM STRUCTURE.

Info

Publication number
DE3585298D1
DE3585298D1 DE8585810145T DE3585298T DE3585298D1 DE 3585298 D1 DE3585298 D1 DE 3585298D1 DE 8585810145 T DE8585810145 T DE 8585810145T DE 3585298 T DE3585298 T DE 3585298T DE 3585298 D1 DE3585298 D1 DE 3585298D1
Authority
DE
Germany
Prior art keywords
ceramic
foam structure
slip
open
filtering
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.)
Revoked
Application number
DE8585810145T
Other languages
German (de)
Inventor
Jerry W Brockmeyer
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.)
3A Composites International AG
Original Assignee
Alusuisse Lonza Services Ltd
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 claimed from US06/602,683 external-priority patent/US4803025A/en
Priority claimed from US06/654,391 external-priority patent/US4610832A/en
Application filed by Alusuisse Lonza Services Ltd filed Critical Alusuisse Lonza Services Ltd
Application granted granted Critical
Publication of DE3585298D1 publication Critical patent/DE3585298D1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Filtering Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

Filter made of ceramic having an open cell foam structure manufactured by impregnating a polymerisation foam with a ceramic slip which comprises a phosphate agglutinating agent, by separating the excess slip by pressure, by drying and calcining the foam material at temperatures of 1660 degree C or higher or, in the case of the same process, applying a slip which contains gelatinised aluminium hydroxide and the calcination thereof at at least 1093 degree C. Ceramic filters having an open cell foam structure are obtained in this case the ceramic material is essentially phosphate-free and the individual crystals of the ceramic are firmly joined together by sintering. The filters are used for the filtering of metal melts and especially for the filtering of iron and steel melts.
DE8585810145T 1984-04-23 1985-04-01 CERAMIC FILTER WITH OPEN-CELLED FOAM STRUCTURE. Revoked DE3585298D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/602,683 US4803025A (en) 1984-04-23 1984-04-23 Ceramic foam
US06/654,391 US4610832A (en) 1984-09-26 1984-09-26 Process for preparing a ceramic foam

Publications (1)

Publication Number Publication Date
DE3585298D1 true DE3585298D1 (en) 1992-03-12

Family

ID=27084214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585810145T Revoked DE3585298D1 (en) 1984-04-23 1985-04-01 CERAMIC FILTER WITH OPEN-CELLED FOAM STRUCTURE.

Country Status (7)

Country Link
AT (1) ATE72138T1 (en)
CS (1) CS274260B2 (en)
DE (1) DE3585298D1 (en)
ES (1) ES8609181A1 (en)
GR (1) GR850851B (en)
NO (1) NO164883C (en)
RO (1) RO93875B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY138532A (en) * 2000-08-31 2009-06-30 Foseco Int Refractory articles

Also Published As

Publication number Publication date
GR850851B (en) 1985-05-23
CS274260B2 (en) 1991-04-11
ATE72138T1 (en) 1992-02-15
ES542394A0 (en) 1986-09-01
NO164883C (en) 1990-11-28
RO93875B (en) 1988-03-01
NO164883B (en) 1990-08-20
NO851573L (en) 1985-10-24
CS296785A2 (en) 1990-09-12
RO93875A (en) 1988-02-29
ES8609181A1 (en) 1986-09-01

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation