CS296785A2 - Method of ceramic filter preparation - Google Patents
Method of ceramic filter preparationInfo
- Publication number
- CS296785A2 CS296785A2 CS852967A CS296785A CS296785A2 CS 296785 A2 CS296785 A2 CS 296785A2 CS 852967 A CS852967 A CS 852967A CS 296785 A CS296785 A CS 296785A CS 296785 A2 CS296785 A2 CS 296785A2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- ceramic
- slip
- filtering
- degree
- filters
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- 239000006260 foam Substances 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000001354 calcination Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 230000004523 agglutinating effect Effects 0.000 abstract 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000006261 foam material Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 239000000161 steel melt Substances 0.000 abstract 1
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)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Separation Using Semi-Permeable Membranes (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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS646689A CS274300B2 (en) | 1984-04-23 | 1989-11-15 | Method of ceramic filter preparation |
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 (2)
| Publication Number | Publication Date |
|---|---|
| CS296785A2 true CS296785A2 (en) | 1990-09-12 |
| CS274260B2 CS274260B2 (en) | 1991-04-11 |
Family
ID=27084214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS296785A CS274260B2 (en) | 1984-04-23 | 1985-04-22 | Method of ceramic filter preparation |
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY138532A (en) * | 2000-08-31 | 2009-06-30 | Foseco Int | Refractory articles |
-
1985
- 1985-04-01 AT AT85810145T patent/ATE72138T1/en not_active IP Right Cessation
- 1985-04-01 DE DE8585810145T patent/DE3585298D1/en not_active Expired - Lifetime
- 1985-04-04 GR GR850851A patent/GR850851B/el unknown
- 1985-04-18 ES ES542394A patent/ES8609181A1/en not_active Expired
- 1985-04-19 NO NO851573A patent/NO164883C/en unknown
- 1985-04-22 RO RO118494A patent/RO93875B/en unknown
- 1985-04-22 CS CS296785A patent/CS274260B2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GR850851B (en) | 1985-05-23 |
| CS274260B2 (en) | 1991-04-11 |
| DE3585298D1 (en) | 1992-03-12 |
| ES8609181A1 (en) | 1986-09-01 |
| ATE72138T1 (en) | 1992-02-15 |
| NO164883B (en) | 1990-08-20 |
| NO851573L (en) | 1985-10-24 |
| RO93875B (en) | 1988-03-01 |
| NO164883C (en) | 1990-11-28 |
| RO93875A (en) | 1988-02-29 |
| ES542394A0 (en) | 1986-09-01 |
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