CN106390772A - Ceramic filter membrane and preparation method thereof - Google Patents
Ceramic filter membrane and preparation method thereof Download PDFInfo
- Publication number
- CN106390772A CN106390772A CN201610832848.XA CN201610832848A CN106390772A CN 106390772 A CN106390772 A CN 106390772A CN 201610832848 A CN201610832848 A CN 201610832848A CN 106390772 A CN106390772 A CN 106390772A
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- filter membrane
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- 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
-
- 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
-
- 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
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5024—Silicates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00008—Obtaining or using nanotechnology related materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a ceramic filter membrane and a preparation method thereof. The preparation method comprises the following steps: roasting silicon carbide at the temperature of 800-1200 DEG C, then, dipping in hydrogen peroxide solution for 2-3h, taking out, and washing for standby application; mixing the above treated silicon carbide, a ceramic binder, sodium carboxymethylcellulose, nanometer aluminium oxide and first water to obtain slurry M; carrying out dry pressing and forming on the slurry M to obtain a ceramic filter membrane blank; mixing aluminium silicate fibers, mullite fibers and second water to obtain slurry N, coating the surface of the ceramic filter membrane blank with the slurry N, and drying to obtain the ceramic filter membrane. According to the preparation method of the ceramic filter membrane, the problem that the integral filtering effect of a common ceramic filter membrane is lowered since the common ceramic filter membrane has a rough surface and a low porosity is solved.
Description
Technical field
The present invention relates to filtering material, in particular it relates to ceramic filter membrane and preparation method thereof.
Background technology
Ceramic filter membrane is widely used in high-temperature gas separation udst separation technology, it has also become material, metallurgy, change
The industries such as work, electric power realize the critical component of gas solid separation, energy-conserving and environment-protective.Common ceramic filter membrane, its surface is more coarse,
And porosity is relatively low, ceramic filter membrane integral filter effect is led to decline.
Therefore it provides a kind of surfacing, and porosity is higher, the excellent ceramic filter membrane of filter effect and its preparation side
Method is the problem of urgent need to resolve of the present invention.
Content of the invention
It is an object of the invention to provide a kind of ceramic filter membrane and preparation method thereof, solve common ceramic filter membrane,
Its surface is more coarse, and porosity is relatively low, leads to the problem that ceramic filter membrane integral filter effect declines.
To achieve these goals, a kind of the invention provides preparation method of ceramic filter membrane, wherein, described preparation side
Method includes：
(1) carborundum is carried out at 800-1200 DEG C roasting, soak 2-3h in hydrogen peroxide solution afterwards, take out backlash
Wash standby；
(2) by the carborundum after above-mentioned process, ceramic bonding agent, sodium carboxymethyl cellulose, nano aluminium oxide and the first water
Mixing, obtains slurry M；
(3) obtain ceramic filter membrane base substrate after will be dry-pressing formed for described slurry M；
(4) alumina silicate fibre, mullite fiber and the second water are mixed, obtain slurry N, described slurry N is coated in institute
State ceramic filter membrane billet surface, after drying, obtain described ceramic filter membrane.
Present invention also offers a kind of ceramic filter membrane, wherein, described ceramic filter membrane is obtained by above-mentioned preparation method.
By technique scheme, the invention provides a kind of preparation method of ceramic filter membrane, wherein, described preparation side
Method includes：Carborundum is carried out at 800-1200 DEG C roasting, soak 2-3h in hydrogen peroxide solution afterwards, rinse standby after taking-up
With；Carborundum after above-mentioned process, ceramic bonding agent, sodium carboxymethyl cellulose, nano aluminium oxide and the first water are mixed, obtains
Slurry M；Ceramic filter membrane base substrate is obtained after will be dry-pressing formed for described slurry M；By alumina silicate fibre, mullite fiber and the second water
Mixing, obtains slurry N, described slurry N is coated in described ceramic filter membrane billet surface, obtains described ceramic filter after drying
Film；By the synergism between each raw material so that prepared ceramic filter membrane surfacing, voidage height, effectively lifted
The filter efficiency of filter membrane, the method that is simultaneously used for preparing this filter membrane is simple.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that it is described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of ceramic filter membrane, wherein, described preparation method includes：By carborundum in
Carry out roasting at 800-1200 DEG C, soak 2-3h in hydrogen peroxide solution afterwards, rinse standby after taking-up；After above-mentioned process
Carborundum, ceramic bonding agent, sodium carboxymethyl cellulose, nano aluminium oxide and the mixing of the first water, obtain slurry M；By described slurry M
Ceramic filter membrane base substrate is obtained after dry-pressing formed；Alumina silicate fibre, mullite fiber and the second water are mixed, obtains slurry N, will
Described slurry N is coated in described ceramic filter membrane billet surface, obtains described ceramic filter membrane after drying.
The present invention one kind preferred embodiment in, in order to improve the hole of prepared ceramic filter membrane further
Rate, thus improving filter effect, with respect to 100 weight portion carborundums, the consumption of described ceramic bonding agent is 20-40 weight portion,
The consumption of described sodium carboxymethyl cellulose is 5-15 weight portion, and the consumption of described nano aluminium oxide is 2-8 weight portion, described first
The consumption of water is 60-80 weight portion.
Preferably, with respect to 100 weight portion carborundums, the consumption of described ceramic bonding agent is 25-35 weight portion, described carboxylic
The consumption of sodium carboxymethylcellulose pyce is 8-12 weight portion, and the consumption of described nano aluminium oxide is 4-6 weight portion, the use of described first water
Measure as 65-75 weight portion.
In order to increase slurry M concentration so that its can preferably molding, the present invention one kind preferred embodiment
In, described ceramic bonding agent is made up of potassium feldspar powder and kaolin powder, and described potassium feldspar powder and described Kaolin powder
The mass ratio at end is 1：2-4.
In order to increase the toughness of ceramic filter membrane and the service life extending filter membrane, preferably real in one kind of the present invention
Apply in mode, with respect to the second water of 100 weight portions, the consumption of described alumina silicate fibre is 20-40 weight portion, described mullite
The consumption of fiber is 10-30 weight portion.
The present invention one kind preferred embodiment in so that slurry M can preferably molding, described dry-pressing becomes
The pressure of type is 2-4MPa.
Present invention also offers a kind of ceramic filter membrane, wherein, described ceramic filter membrane is obtained by above-mentioned preparation method.
Hereinafter will be described the present invention by embodiment.In following examples, carborundum, carboxymethyl cellulose
The raw materials such as sodium, nano aluminium oxide, potassium feldspar powder and kaolin powder are conventional commercial product, and the particle diameter of wherein nano aluminium oxide is
20-50nm.
Embodiment 1
100g carborundum is carried out at 800 DEG C roasting, soak 2h in hydrogen peroxide solution afterwards, rinse standby after taking-up
With；100g carborundum after above-mentioned process, 25g ceramic bonding agent (are made up of potassium feldspar powder and kaolin powder, and described
The mass ratio of potassium feldspar powder and described kaolin powder is 1：2), 8g sodium carboxymethyl cellulose, 4g nano aluminium oxide and 65g
One water mixing, obtains slurry M；Obtain ceramic filter membrane base substrate by after dry-pressing formed for described slurry M (pressure is 2MPa)；By 20g
Alumina silicate fibre, 10g mullite fiber and the mixing of 100g second water, obtain slurry N, described slurry N are coated in described pottery
Filter membrane billet surface, obtains described ceramic filter membrane A1 after drying.
Embodiment 2
100g carborundum is carried out at 1200 DEG C roasting, soak 3h in hydrogen peroxide solution afterwards, rinse standby after taking-up
With；100g carborundum after above-mentioned process, 35g ceramic bonding agent (are made up of potassium feldspar powder and kaolin powder, and described
The mass ratio of potassium feldspar powder and described kaolin powder is 1：4), 12g sodium carboxymethyl cellulose, 6g nano aluminium oxide and 75g
First water mixing, obtains slurry M；Obtain ceramic filter membrane base substrate by after dry-pressing formed for described slurry M (pressure is 4MPa)；Will
40g alumina silicate fibre, 30g mullite fiber and the mixing of 100g second water, obtain slurry N, described slurry N are coated in described pottery
Porcelain filter membrane billet surface, obtains described ceramic filter membrane A2 after drying.
Embodiment 3
100g carborundum is carried out at 1000 DEG C roasting, soak 2.5h in hydrogen peroxide solution afterwards, rinse after taking-up
Standby；100g carborundum after above-mentioned process, 30g ceramic bonding agent (are made up of potassium feldspar powder and kaolin powder, and institute
Stating potassium feldspar powder and the mass ratio of described kaolin powder is 1：3), 10g sodium carboxymethyl cellulose, 5g nano aluminium oxide and
70g first water mixes, and obtains slurry M；Obtain ceramic filter membrane base substrate by after dry-pressing formed for described slurry M (pressure is 3MPa)；
30g alumina silicate fibre, 20g mullite fiber and 100g second water are mixed, obtains slurry N, described slurry N is coated in described
Ceramic filter membrane billet surface, obtains described ceramic filter membrane 3 after drying.
Embodiment 4
Method according to embodiment 1 is prepared, except for the difference that, with respect to 100g carborundum, described ceramic bonding agent
Consumption is 20g, and the consumption of described sodium carboxymethyl cellulose is 5g, and the consumption of described nano aluminium oxide is 2g, described first water
Consumption is 60g, obtains described ceramic filter membrane A4.
Embodiment 5
Method according to embodiment 1 is prepared, except for the difference that, with respect to 100g carborundum, described ceramic bonding agent
Consumption is 40g, and the consumption of described sodium carboxymethyl cellulose is 15g, and the consumption of described nano aluminium oxide is 8g, described first water
Consumption is 80g, obtains described ceramic filter membrane A5.
Comparative example 1
Method according to embodiment 1 is prepared, except for the difference that, with respect to 100g carborundum, described ceramic bonding agent
Consumption is 15g, and the consumption of described sodium carboxymethyl cellulose is 3g, and the consumption of described nano aluminium oxide is 1g, described first water
Consumption is 55g, obtains described ceramic filter membrane D1.
Comparative example 2
Method according to embodiment 1 is prepared, except for the difference that, with respect to 100g carborundum, described ceramic bonding agent
Consumption is 45g, and the consumption of described sodium carboxymethyl cellulose is 20g, and the consumption of described nano aluminium oxide is 12g, described first water
Consumption be 90g, obtain described ceramic filter membrane D2.
Table 1
| Embodiment is numbered | Porosity (%) | Filter membrane surface situation |
| A1 | 68 | Surfacing |
| A2 | 65 | Surfacing |
| A3 | 67 | Surfacing |
| A4 | 56 | Surfacing |
| A5 | 53 | Surface is more smooth |
| D1 | 29 | Surface is more coarse |
| D2 | 30 | Surface is more coarse |
The ceramic filter membrane A1-A5 being obtained within the scope of the present invention be can be seen that by upper table data, its porosity is relatively
Height, surfacing, and ceramic filter membrane D1 and D2 being obtained outside the scope of the invention, its porosity is relatively low, and surface is relatively
For coarse, it is hereby achieved that the excellent ceramic filter membrane of surfacing, filter effect.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, multiple simple variant can be carried out to technical scheme, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy no longer separately illustrates.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it equally should be considered as content disclosed in this invention.
Claims (7)
1. a kind of preparation method of ceramic filter membrane is it is characterised in that described preparation method includes：
(1) carborundum is carried out at 800-1200 DEG C roasting, soak 2-3h in hydrogen peroxide solution afterwards, rinse standby after taking-up
With；
(2) carborundum after above-mentioned process, ceramic bonding agent, sodium carboxymethyl cellulose, nano aluminium oxide and the first water are mixed,
Obtain slurry M；
(3) obtain ceramic filter membrane base substrate after will be dry-pressing formed for described slurry M；
(4) alumina silicate fibre, mullite fiber and the second water are mixed, obtain slurry N, described slurry N is coated in described pottery
Porcelain filter membrane billet surface, obtains described ceramic filter membrane after drying.
2. preparation method according to claim 1, wherein, with respect to 100 weight portion carborundums, described ceramic bonding agent
Consumption is 20-40 weight portion, and the consumption of described sodium carboxymethyl cellulose is 5-15 weight portion, and the consumption of described nano aluminium oxide is
2-8 weight portion, the consumption of described first water is 60-80 weight portion.
3. preparation method according to claim 2, wherein, with respect to 100 weight portion carborundums, described ceramic bonding agent
Consumption is 25-35 weight portion, and the consumption of described sodium carboxymethyl cellulose is 8-12 weight portion, and the consumption of described nano aluminium oxide is
4-6 weight portion, the consumption of described first water is 65-75 weight portion.
4. preparation method according to claim 1, wherein, described ceramic bonding agent is by potassium feldspar powder and kaolin powder
Composition, and the mass ratio of described potassium feldspar powder and described kaolin powder is 1：2-4.
5. preparation method according to claim 1, wherein, with respect to the second water of 100 weight portions, described alumina silicate fibre
Consumption be 20-40 weight portion, the consumption of described mullite fiber is 10-30 weight portion.
6. preparation method according to claim 1, wherein, dry-pressing formed pressure described in step (3) is 2-4MPa.
7. a kind of ceramic filter membrane is it is characterised in that system described in any one in claim 1-6 for the described ceramic filter membrane
Preparation Method is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832848.XA CN106390772A (en) | 2016-09-20 | 2016-09-20 | Ceramic filter membrane and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610832848.XA CN106390772A (en) | 2016-09-20 | 2016-09-20 | Ceramic filter membrane and preparation method thereof |
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| CN106390772A true CN106390772A (en) | 2017-02-15 |
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| CN201610832848.XA Pending CN106390772A (en) | 2016-09-20 | 2016-09-20 | Ceramic filter membrane and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051211A (en) * | 2017-02-23 | 2017-08-18 | 江苏新时高温材料股份有限公司 | High water flux ceramic membrane separation membrane layer and preparation method thereof |
| CN107540385A (en) * | 2017-09-01 | 2018-01-05 | 安徽青花坊瓷业股份有限公司 | A kind of green compact leaching liquid for improving ceramics strength |
| CN108484148A (en) * | 2018-03-26 | 2018-09-04 | 无锡盛雅生物科技有限公司佛山分公司 | A kind of preparation method of the inexpensive ceramic micro filter film of environmental protection |
| CN111848182A (en) * | 2020-08-03 | 2020-10-30 | 贺州学院 | Preparation method of ceramic membrane in container |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193513A (en) * | 2013-04-16 | 2013-07-10 | 海南大学 | Coating method of silicon carbide ceramic membrane for high-temperature filtration |
| CN104610780A (en) * | 2015-01-12 | 2015-05-13 | 中国科学院宁波材料技术与工程研究所 | Modification method for silicon carbide particles |
| CN105330294A (en) * | 2015-12-01 | 2016-02-17 | 芜湖豫新世通汽车空调有限公司 | Filtering membrane used for automobile air conditioner and preparation method of filtering membrane |
-
2016
- 2016-09-20 CN CN201610832848.XA patent/CN106390772A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193513A (en) * | 2013-04-16 | 2013-07-10 | 海南大学 | Coating method of silicon carbide ceramic membrane for high-temperature filtration |
| CN104610780A (en) * | 2015-01-12 | 2015-05-13 | 中国科学院宁波材料技术与工程研究所 | Modification method for silicon carbide particles |
| CN105330294A (en) * | 2015-12-01 | 2016-02-17 | 芜湖豫新世通汽车空调有限公司 | Filtering membrane used for automobile air conditioner and preparation method of filtering membrane |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051211A (en) * | 2017-02-23 | 2017-08-18 | 江苏新时高温材料股份有限公司 | High water flux ceramic membrane separation membrane layer and preparation method thereof |
| CN107540385A (en) * | 2017-09-01 | 2018-01-05 | 安徽青花坊瓷业股份有限公司 | A kind of green compact leaching liquid for improving ceramics strength |
| CN108484148A (en) * | 2018-03-26 | 2018-09-04 | 无锡盛雅生物科技有限公司佛山分公司 | A kind of preparation method of the inexpensive ceramic micro filter film of environmental protection |
| CN111848182A (en) * | 2020-08-03 | 2020-10-30 | 贺州学院 | Preparation method of ceramic membrane in container |
| CN111848182B (en) * | 2020-08-03 | 2022-06-14 | 贺州学院 | Preparation method of ceramic membrane in container |
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Application publication date: 20170215 |