DK178245B1 - Method for producing a porous ceramic body and a porous ceramic body obtained from said method - Google Patents
Method for producing a porous ceramic body and a porous ceramic body obtained from said method Download PDFInfo
- Publication number
- DK178245B1 DK178245B1 DK201400581A DKPA201400581A DK178245B1 DK 178245 B1 DK178245 B1 DK 178245B1 DK 201400581 A DK201400581 A DK 201400581A DK PA201400581 A DKPA201400581 A DK PA201400581A DK 178245 B1 DK178245 B1 DK 178245B1
- Authority
- DK
- Denmark
- Prior art keywords
- grain size
- ceramic body
- powder
- ceramic
- porous
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 212
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 138
- 239000000203 mixture Substances 0.000 claims abstract description 51
- 238000009826 distribution Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 43
- 239000011148 porous material Substances 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 13
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 7
- 230000002902 bimodal effect Effects 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 37
- 239000000463 material Substances 0.000 description 9
- 239000012466 permeate Substances 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000008394 flocculating agent Substances 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012465 retentate Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910021431 alpha silicon carbide Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- -1 ytria oxide Chemical compound 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0046—Inorganic membrane manufacture by slurry techniques, e.g. die or slip-casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/06—Flat membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/0215—Silicon carbide; Silicon nitride; Silicon oxycarbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Claims (10)
1. Fremgangsmåde til fremstilling af et porøst keramisk legeme, omfattende følgende trin: - Udvælgelse af et første keramisk pulver med en første gennemsnitlig kornstørrelse; - Udvælgelse af et andet keramisk pulver med en anden gennemsnitlig kornstørrelse - Udvælgelse af et tredje keramisk pulver med en tredje gennemsnitlig kornstørrelse; - Blanding af det første keramiske pulver, det andet keramiske pulver og det tredje keramiske pulver til fremstilling af en pulverblanding, som omfatter mindst en trimodal kornstørrelsesfordeling; - Coating af en porøs støtte med pulverblandingen, hvorved der tilvejebringes et coated keramisk legeme; og - Opvarmning af det coatede keramiske legeme til en temperature mellem 1550-1900°C hvorved det porøse keramiske legeme tilvejebringes.
2. Fremgangsmåde til fremstilling af et porøst keramisk legeme omfattende følgende trin: Udvælgelse af mindst o et første keramisk pulver med en første gennemsnitlig kornstørrelse; og o et andet keramisk pulver med en anden gennemsnitlig kornstørrelse; Blanding af det første keramiske pulver og det andet keramiske pulver til fremstilling af en pulverblanding, som omfatter mindst en bimodal kornstørrelsesfordeling; Coating af en porøs støtte med pulverblandingen, hvorved der tilvejebringes et coated keramisk legeme; Opvarmning af det coatede keramiske legeme til en temperatur mellem 1550-1900°C, hvorved det porøse keramiske legme tilvejebringes, og Hvor den gennemsnitlige kornstørrelsen af det første keramiske pulver er højest 10 gange større end den gennemsnitlige kornstørrelse af det andet keramiske pulver, og hvor mindst et af det første keramiske pulver og/eller det andet keramiske pulver er silicium.
3. Fremgangsmåde ifølge krav 2, hvor fremstillingen af det porøse keramiske legeme yderligere omfatter udvælgelse af et tredje keramisk pulver med en tredje gennemsnitlig kornstørrelse, hvorved der, når det blandes, tilvejebringes en pulverblandning, som omfatter mindst en trimodal kornstørrelsesfordeling.
4. Fremgangsmåde ifølge ethvert af de forgående krav, hvor det første, det andet, det tredje (når det findes), det fjerde (når det findes) og det femte (når det findes) keramiske pulver er silicium, fortrinsvis siliciumcarbid (SiC).
5. Fremgangsmåde ifølge ethvert af kravene 1, 3 og 4, hvor det første keramiske pulver har en første gennemsnitlig kornstørrelse i området 2-4 pm; det andet keramiske pulver har en anden gennemsnitlig kornstørrelse i området 0,5-0,9 pm; og det tredje keramiske pulver har en tredje gennemsnitlig kornstørrelse i området 0,2-0,4 pm.
6. Fremgangsmåde ifølge ethvert af de forgående krav, hvor den porøse støtte er en plade coated med en opslæmning ved at dyppe pladen ned i opslæmningen, og/eller hælde eller sprøjte opslæmningen på pladen.
7. Porøst keramisk legeme opnået ved fremgangsmåden ifølge ethvert af kravene 1-6.
8. Porøst keramisk legeme ifølge krav 7, hvor det porøse keramiske legeme er en flat sheet membran.
9. Porøst keramisk legeme ifølge ethvert af kravene 7-8, hvor det porøse keramiske legme har en porestørrelse på 5 pm eller derunder, såsom 3 pm eller derunder, fx 1 pm eller derunder, såsom 0,75 pm eller derunder, fx 0,5 pm eller derunder, såsom 0,3 pm eller derunder, fx 0,1 pm eller derunder, såsom 0,075 pm eller derunder, fx 0,05 pm eller derunder.
10. Nedsænkningsbart system, som omfatter et porøst keramisk legeme ifølge ethvert af kravene 7-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK201400581A DK178245B1 (en) | 2014-10-09 | 2014-10-09 | Method for producing a porous ceramic body and a porous ceramic body obtained from said method |
| EP15186831.2A EP3009182A1 (en) | 2014-10-09 | 2015-09-25 | Method for producing a porous ceramic body and a porous ceramic body obtained from said method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK201400581 | 2014-10-09 | ||
| DK201400581A DK178245B1 (en) | 2014-10-09 | 2014-10-09 | Method for producing a porous ceramic body and a porous ceramic body obtained from said method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK178245B1 true DK178245B1 (en) | 2015-09-28 |
Family
ID=54151629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK201400581A DK178245B1 (en) | 2014-10-09 | 2014-10-09 | Method for producing a porous ceramic body and a porous ceramic body obtained from said method |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3009182A1 (da) |
| DK (1) | DK178245B1 (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3202719A1 (en) | 2016-02-05 | 2017-08-09 | Omya International AG | Installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate |
| EP3202720A1 (en) | 2016-02-05 | 2017-08-09 | Omya International AG | Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate |
| CA3071923A1 (en) | 2017-08-11 | 2019-02-14 | Ovivo Inc. | Submerged membrane unit diffuser case |
| FR3098730B1 (fr) | 2019-07-18 | 2024-01-19 | Saint Gobain Ct Recherches | Filtre comprenant une couche séparatrice en carbure de silicium |
| WO2022228227A1 (zh) * | 2021-04-25 | 2022-11-03 | 南京依柯卡特排放技术股份有限公司 | 高通量碳化硅陶瓷过滤膜及其制备方法 |
| IT202200009749A1 (it) * | 2022-05-11 | 2023-11-11 | Antoni Bellussi | Impianto di separazione della parte liquida dalla parte solida in sospensioni di scarto di prodotti di vario genere e metodo di separazione utilizzato |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009124555A1 (en) * | 2008-04-11 | 2009-10-15 | Cometas A/S | A ceramic dead-end filter, a filter system, a method of filtering and a method of producing a ceramic dead-end filter |
| US20090305017A1 (en) * | 2006-02-01 | 2009-12-10 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Impregnated ceramic foam made of recrystallized silicon carbide |
| DK177790B1 (da) * | 2013-08-08 | 2014-07-07 | Liqtech Internat A S | A method of producing a ceramic filter membrane, a method of improving a ceramic filter membrane and the ceramic filter membrane obtained by the method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6214078B1 (en) * | 1997-11-25 | 2001-04-10 | Ferro Corporation | High temperature ceramic filter |
| WO2003024892A1 (en) * | 2001-09-21 | 2003-03-27 | Stobbe Tech Holding A/S | Porous ceramic structures and a preparing method |
| DE20321132U1 (de) * | 2003-02-13 | 2006-02-16 | Itn Nanovation Gmbh | Filtrationsvorrichtung |
| DE102006022502A1 (de) * | 2006-05-08 | 2007-11-29 | Ltn Nanovation Ag | Filtereinheit für die Abwasseraufbereitung und die Trinkwassergewinnung |
| US8784541B2 (en) * | 2011-11-10 | 2014-07-22 | Corning Incorporated | Cordierite-based composite membrane coated on cordierite monolith |
-
2014
- 2014-10-09 DK DK201400581A patent/DK178245B1/en active
-
2015
- 2015-09-25 EP EP15186831.2A patent/EP3009182A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090305017A1 (en) * | 2006-02-01 | 2009-12-10 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Impregnated ceramic foam made of recrystallized silicon carbide |
| WO2009124555A1 (en) * | 2008-04-11 | 2009-10-15 | Cometas A/S | A ceramic dead-end filter, a filter system, a method of filtering and a method of producing a ceramic dead-end filter |
| DK177790B1 (da) * | 2013-08-08 | 2014-07-07 | Liqtech Internat A S | A method of producing a ceramic filter membrane, a method of improving a ceramic filter membrane and the ceramic filter membrane obtained by the method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3009182A1 (en) | 2016-04-20 |
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