CN105967645A - Nanometer compound ceramic material with high adsorptivity as well as preparation method and application thereof - Google Patents
Nanometer compound ceramic material with high adsorptivity as well as preparation method and application thereof Download PDFInfo
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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The invention provides a nanometer compound ceramic material with high adsorptivity as well as a preparation method and an application thereof. The nanometer compound ceramic material with high adsorptivity can effectively reduce concentrations of aldehyde and ketone as well as other toxic and harmful substances in air; a proper amount of dolomite is added at the same time, dolomite and a nanometer perovskite compound are synergetic, in order to effectively improve adsorption speed of the ceramic material for aldehyde and ketone substances; the material has high practicality, and the material is especially adapted to be applied to manufacture of cigarette filter cores, industrial chimneys, filled tower filling materials, purification of water body, and kitchen tools.
Description
Technical field
The present invention relates to ceramic material field, Nano compound ceramic material being specifically related to a kind of high adsorption and preparation method thereof, application.
Background technology
Numerous production, living environment the most easily produce various waste gas, the formaldehyde that produces such as Decoration Industry building materials, the flue gas that boiler work produces and the toxic and harmful produced during cigarette combustion.As a example by cigarette smoke, wherein containing such as the poisonous and harmful substance such as tar, nicotine, enter human body for controlling these poisonous and harmful substances, general way is the filter element adding on medicated cigarette and being made up of acetate fiber.But the method still can not get rid of the harmful substance in cigarette smoke effectively, the most constantly propose to improve the technology of medicated cigarette filter element performance, as increased layer of active carbon or carbon fiber adsorption and catalytic combustion layer before filtration core, filtration core adds the adsorbent such as montmorillonite, zeolite.But prior art is relatively low to noxious substance removing abilities such as the aromatic hydrocarbons in cigarette smoke, aldehydes.
On the other hand, in its smog, plastochondria phase and vapor phase is produced during cigarette combustion, in this vapor phase, such as contain carbon monoxide, nitrogen compound (NOx), ammonia etc., additionally contain the amphyls such as carbonyl compound, organic acid, phenol, cresol, catechol, the harmful substance such as Blausure (German), sulfide with hydrogen sulfide as representative.In these materials, such as, carbonyl compound the most also receives publicity as the material of the hypersensitive main cause of chemical substance, is known harmful chemical substance.
It addition, carbonyl compound herein refers to that aldehyde, ketone etc. have the compound of carbonyl (C=O).These carbonyl compounds are one of harmful gas compositions that the probability run in living environment is higher.Such as, in various harmful gas compositions contained in smoke from cigarette, low-molecular-weight fat aldehyde is also main composition, and it is known that the formaldehyde discharged from building materials in recent years is the main cause of " morbid state house syndrome ".It addition, in harmful gas composition contained in medicated cigarette, about carbonyl compound, it has been reported formaldehyde, acetaldehyde, acrylic aldehyde, propionic aldehyde, butyraldehyde, crotonic aldehyde, acetone, butanone, benzaldehyde derivative etc. as aromatic aldehyde compound.
In order to remove such harmful gas composition to keep comfortable living environment, need a kind of adsorbent that harmful gas composition is had high adsorption, family life also uses various adsorbent.
Generally, most adsorbents be widely used make other physical be adsorbed in loose structure activated carbon, silica gel, the porous material such as zeolite., it is known that in these porous materials, such as, the harmful substances such as the easy adsorption of carbonyl compounds of silica gel, Blausure (German), but adsorption component is the most easily desorbed, therefore, silica gel is the adsorbent of the retentivity to these harmful substances relatively low (adsorptivity is relatively low).
The problem that additionally there are is, compared with the situation of the air-flow slower by flow velocity, with when being contacted by the surface of the porous materials such as air-flow and activated carbon, silica gel, the zeolite of same stream speed during cigarette filter element, gas adsorbability is relatively low.
During known smoking by the air-flow of cigarette filter element very soon, its flow velocity is about 10m/ second～30m/ second, within the time of staying is 1 second.Therefore, when adsorbent being used for cigarette filter in-core, it is desirable to sufficient adsorptivity can be played to having the air-flow by flow velocity during cigarette filter element.And then, when adsorbent is not used in cigarette filter element, but time in the pneumatic filter of the equipment of the harmful gas in air purifier, air conditioning for automobiles this kind of requirement removing smoke from cigarette, from the angle improving disposal ability, also require that and air-flow at a high speed can be played sufficient gas adsorbability.
In patent documentation 1, disclosing a kind of tobacco smoke filter element core, this filtration core has fixedness inorganic carrier as reactant, and this inorganic carrier has reactive functional groups, above-mentioned reactant and the gas componant generation chemical reaction of plume, thus above-mentioned gas composition is removed from above-mentioned plume.
Following scheme is proposed: as the most preferred mode of above-mentioned reactant in patent documentation 1, it it is the cigarette filter element containing the silica gel with 3-amino propyl silyl, the primary amino radical of 3-amino propyl silyl and the harmful substance generation chemical reaction such as Blausure (German) or aldehydes and covalent bonding, the most optionally remove harmful substance., for the above-mentioned cigarette filter element containing silica gel, owing to the content of amino is less, therefore can not say the adsorbance of the harmful substances such as Blausure (German) enough, and aldehydes is also difficult to remove.During it addition, prepared the silica gel being bonded with propylsilyl as adsorbent by 3-aminopropyltriethoxywerene werene and silica gel, can remaining unreacted APTES.Obtained by adsorbent be dried in an oven, but if in adsorbent a large amount of remaining unreacted 3-aminopropyltriethoxywerene werene etc., discharge amine the most after drying smelly, it is possible that abnormal flavour or affect its local flavor.
On the other hand, in order to remove harmful substance, also document is to making spent ion exchange resin be studied as adsorbent.Such as, in patent documentation 2, disclose a kind of tobacco smoke filter element core, this tobacco smoke filter element core is Medicated cigarette multi partition filtration core, this filtration core has selective absorbent subregion and general adsorbent subregion, described selective absorbent subregion contains selective absorbent material, this selective absorbent material is dispersed in fibrous material, the chemical compound of predetermined category had affinity, described general adsorbent subregion contains general adsorbent material, this adsorbent has bigger surface area, and the adsorbable cigarette composition without high specific, above-mentioned selective absorbent subregion and above-mentioned general adsorbent subregion file in the axial direction configuration.In patent documentation 2, propose following scheme: use activation cocoanut charcoal as having bigger surface area and the general adsorbent material of the adsorbable cigarette composition without high specific, use Duolite A7 (trade name, ROHM AND HAAS (Rohm and Haas) company manufactures) as the selective absorbent material to above-mentioned chemical compound with affinity.
Duolite A7 is by the functionalisation of surfaces of phenolic resin mother metal by primary amine groups and secondary amine, to attempt to improve the specificity to aldehydes absorption.But, owing to, in Duolite A7, using phenol derivatives for forming resin matrix,
Therefore, the free property harmful components such as resultant aromatic compound are discharged.It addition, from the point of view of the experimental result being recorded in this patent documentation 2, it cannot be said that the adsorbance of acetaldehyde is good.
In patent documentation 3, disclose a kind of cigarette filter element, this filtration core is characterised by, this filtration core obtains by the 1st composition and the 2nd composition being mixed or closely disperse, described 1st composition is that the gas phase composition in the smoke from cigarette containing aldehyde responds fast but that setup is more weak adsorbent, described 2nd composition comprise amino group with above-mentioned gas phase composition generation chemical bonding, thus generate the product of substantially fixedness.In patent documentation 3, as above-mentioned 2nd composition
Concrete example, in addition to the Duolite A7 (trade name) described in patent documentation 2, has also enumerated the amino-type anion exchange resin such as Diaion CR20 (trade name, society of Mitsubishi Chemical manufactures).
And then, in patent documentation 4, disclosing a kind of adsorbent, this adsorbent is a kind of cross linked polymer, the structure that it has the vinyl amine mainly can being partially alkylated or alkylated by nitrogen-atoms and many vinyl compounds are formed.Adsorbent in patent documentation 4 is the vinyl amine system ion exchange resin with divinyl aromatic compound as cross-linkable component, is the adsorbent containing the more vinyl amine composition directly related with gas absorption energy.
Although the Diaion CR20 (trade name recorded by patent documentation 3, society of Mitsubishi Chemical manufactures) or the adsorbent that constitutes of the vinyl amine system ion exchange resin recorded of patent documentation 4 attempt to improve the adsorptivity to aldehydes, but these adsorbents are amino-type anion exchange resin, amine is produced smelly due to the release of amine system impurity that wherein comprises, therefore bigger to abnormal flavour or flavor effect.Further, since employ styrene or divinyl benzene compounds is used as cross-linkable component etc., therefore discharge the free property harmful components such as the aromatic compound that comes from these cross-linkable component.
On the other hand, in patent documentation 4, also disclose a kind of method removing this sour gas from the gas containing sour gas, the method is characterized in that, make adsorbent contact with the gas containing sour gas and adsorb this sour gas, it follows that the adsorbent being adsorbed with sour gas is heated, the sour gas of absorption is made to be desorbed.
But, in these methods, it is impossible to fully suppression above-mentioned free property harmful components, the release of amine system impurity, and, when being carried out with alkaline aqueous solution, the amino in adsorbent is also removed, and therefore, causes the effect of adsorbent to reduce.And then, when being carried out with acid or alkali, there is also generation formalin and residue in the problem in the vinyl amine system ion exchange resin finally given.The method described in patent documentation 4 of employing solves these problems and industrially to realize batch production be extremely difficult.
It addition, the many employings of gas absorbent being generally used for medicated cigarette filtration core make other physical be adsorbed in loose structure as above activated carbon, silica gel, the porous material such as zeolite.But, when such porous gas absorbent is individually used for medicated cigarette filtration core, the selectivity of absorption is relatively low, therefore the harmful gas composition serving not only as target is adsorbed, originally the nicotiamide contained in medicated cigarette etc. or the 1-menthol etc. made an addition in medicated cigarette are that useful flavor components is adsorbed the most simultaneously for medicated cigarette, thus there is the problem damaging medicated cigarette local flavor.Thus, it is also desirable to the adsorbent of a kind of flavor components not damaged in medicated cigarette.
Patent documentation 1: Japanese Unexamined Patent Application Publication 2002-528106
Patent documentation 2: Japanese Unexamined Patent Application Publication 2004-538016
Patent documentation 3: Japanese Laid-Open Patent Publication 54-151200
Patent documentation 4: Japanese Unexamined Patent Publication 6-190235.
Summary of the invention
In view of this, the present invention discloses a kind of Nano compound ceramic material having high adsorption to carbonyl complex.
The purpose of the present invention is achieved through the following technical solutions: the Nano compound ceramic material of a kind of high adsorption, it is characterized in that: wherein include the nanometer calcium titanium compound of 4-15wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
In the present invention, described nanometer calcium compound can be any one existing nano level calcium compounds, such as nano calcium oxide, nano-calcium carbonate and nano calcium hydride etc.；Described nano-titanium compound can be any one existing nano level titanium compound, such as nano titanium oxide, nano titanium diboride, Nano titanium nitride etc..Inventor finds under study for action, when being mixed into the nanometer calcium titanium compound of 4-15wt% in ceramic material, can effectively remove the aldehyde ketone micromolecular containing carbonyl in gas, thus effectively reduce the concentration of aldoketones poisonous and harmful substance in air.It is particularly suitable for the product of harmful gas in the filtration core of medicated cigarette, air purifier, building materials of house fitting-up, filler in packed column this kind of requirement removing air.Wherein, other materials and the preparation method of ceramic material all can be selected for any one prior art and realize.
Further, dolomite 42-56wt%, Anhydrite 3-17 wt%, clay 27-38 wt%, nanometer calcium titanium compound 4-15 wt% and the quartz sand of surplus.
Described dolomite theoretical composition: CaO 30.4%, MgO 21.9%, CO247.7%.Often containing impurity such as silicon, aluminum, ferrum, titaniums, can be selected for any one prior art and realize.Described Anhydrite is the aluminum silicate rock-forming mineral of common calcic, sodium and the potassium of a class, can be selected for any one prior art and realizes.Described clay can be selected for any one clay making pottery and realizes.Described quartz sand is commercially available prod.Inventor finds, appropriate Anhydrite and dolomite is added in pottery, the two is with described nanometer calcium titanium compound synergistic, the ceramic material adsorption rate to aldoketones material can be effectively improved, so that ceramic material goods can reduce the concentration of the aldoketones material in gas at short notice, improve the practicality of the present invention.
Further, described clay is compound clay；The preparation method of described compound clay is as follows:
5:7:1 in mass ratio weighs kibushi clay, red bauxite and purple clay, mix homogeneously, pulverize, crossing 250-320 mesh sieve, the serosity that concentration is 45-55wt% is made in the stirring that adds water, and adds and is equivalent to the magnesium chloride of slurry weight 0.4-0.8%, the propylene glycol of 3-6%, the Methylisothiazolinone of 2-4%, the waterglass of 10-30%, heating in water bath is to 50-60 DEG C, sucking filtration, dries, it is thus achieved that water content 0.5-1wt% is combined clay.
Described magnesium chloride has a bitterness, micro-is corrosive.For magnesium metal processed, disinfectant, chilled brine, pottery, and for each side such as filling fabric, papermaking.Belong to normal salt, belong to anaerobic hydrochlorate.The propylene glycol of the present invention refers in particular to 1,2-PD, for a kind of chemical reagent, with water, ethanol and multiple immiscible organic solvent.Propylene glycol can be used as the raw material of unsaturated polyester resin. and can coordinate with glycerol or sorbitol in cosmetics, toothpaste and fancy soap and be used as wetting agent.In hair dye, it is used as damping, even agent, also serves as antifreezing agent, be additionally operable to cellophane, plasticizer and pharmaceuticals industry.Methylisothiazolinone (MIT) is a kind of efficient germicide, heat-resisting waterborne preservative, growth for suppression microorganism has well effect, can suppress the growth of antibacterial, fungus, mycete and mycete, this product can be directly added into the fields such as personal-care supplies, cosmetics, coating, paper pulp.The present invention adds magnesium chloride, Methylisothiazolinone and propylene glycol especially in compound clay, three's synergistic can extend ceramic material action time to aldoketones material, i.e. can keep the high adsorption effect to aldoketones material in a long time, make the ceramic material of the present invention have longer service life.Described waterglass is prior art.
Preferably, described nanometer calcium compound is nano calcium oxide, and described nano-titanium compound is nano titanium oxide.
Preferably, described nano titanium oxide is nanometer anatase titania.
The present invention also provides for the preparation method of the Nano compound ceramic material of a kind of described high adsorption, it is characterised in that comprise the following steps:
(1) taking clay, quartz sand, Anhydrite mix homogeneously, be deployed into the slurry of water content 35%, ball mill grinding 30h, standing carries out old；Then putting in container by the slurry after old, add nanometer calcium titanium compound grouting behind shaft or drift lining molding, briquetting pressure is 25-30MPa, it is thus achieved that green compact；
(2) green compact that step (1) prepares are dried at a temperature of 70-90 DEG C, are dried to blank water content less than 1%, then carry out dried blank soaking glaze；
(3) base substrate that step (2) prepares is carried out refine, it is placed in kiln the ramp with 10-15 DEG C/min to 200 DEG C, it is warming up to 950-1100 DEG C again with 3-5 DEG C, insulation 0.5-1.5h, it is warming up to 1220-1250 DEG C again with 2-5 DEG C, insulation 0.5-1.5h, cools to room temperature with the furnace, gets product.
Ceramic material of the present invention, can select prior art to prepare.But the ceramic material using above-mentioned technology to prepare has preferably material property, it is difficult to aging, variable color, fragmentation, there is higher practical value.
The Nano compound ceramic material of the high adsorption of the present invention effectively reduces the concentration of aldoketones poisonous and harmful substance in air, add appropriate Anhydrite and dolomite simultaneously, the two is with described nanometer calcium titanium compound synergistic, the ceramic material adsorption rate to aldoketones material can be effectively improved, there is higher practicality, be particularly suited for the application in manufacturing medicated cigarette filter element, industrial chimney, filler in packed column, building materials of house fitting-up.
Detailed description of the invention
The present invention is described in further detail below in conjunction with embodiment for the ease of it will be appreciated by those skilled in the art that:
Embodiment 1
The present embodiment provides the Nano compound ceramic material of a kind of high adsorption, wherein includes the nanometer calcium titanium compound of 8wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
Further, dolomite 15wt%, Anhydrite 22wt%, clay 40wt%, nanometer calcium titanium compound 8wt% and the quartz sand of surplus.
Further, described nanometer calcium compound is nano calcium oxide, and described nano-titanium compound is nano titanium oxide.
The present embodiment selects any one prior art to be prepared from.
Embodiment 2
The present embodiment provides the Nano compound ceramic material of a kind of high adsorption, wherein includes the nanometer calcium titanium compound of 5wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
Further, dolomite 11wt%, clay 44wt%, nanometer calcium titanium compound 5 wt% and the quartz sand of surplus.
Further, described nanometer calcium compound is nano calcium oxide, and described nano-titanium compound is nano titanium oxide.
The present embodiment selects any one prior art to be prepared from.
Embodiment 3
The present embodiment provides the Nano compound ceramic material of a kind of high adsorption, wherein includes the nanometer calcium titanium compound of 10wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
Further, dolomite 20wt%, Anhydrite 15wt%, clay 45wt%, nanometer calcium titanium compound 10 wt% and the quartz sand of surplus.
Further, described nanometer calcium compound is nano calcium hydride, and described nano-titanium compound is Nano titanium nitride.
The present embodiment selects any one prior art to be prepared from.
Embodiment 4
The present embodiment provides the Nano compound ceramic material of a kind of high adsorption, wherein includes the nanometer calcium titanium compound of 4wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
Further, dolomite 20wt%, Anhydrite 15wt%, clay 45wt%, nanometer calcium titanium compound 4wt% and the quartz sand of surplus.
Further, described nanometer calcium compound is nano-calcium carbonate, and described nano-titanium compound is Nano titanium nitride.
The present embodiment selects any one prior art to be prepared from.
Embodiment 5
The present embodiment provides the Nano compound ceramic material of a kind of high adsorption, wherein includes the nanometer calcium titanium compound of 8wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
Further, dolomite 15wt%, Anhydrite 25wt%, clay 45wt%, nanometer calcium titanium compound 8wt% and the quartz sand of surplus.
Further, described nanometer calcium compound is nano calcium oxide, and described nano-titanium compound is nano titanium oxide.
Further, described clay is compound clay；The preparation method of described compound clay is as follows:
5:7:1 in mass ratio weighs kibushi clay, red bauxite and purple clay, mix homogeneously, pulverize, crossing 250-320 mesh sieve, the serosity that concentration is 50wt% is made in the stirring that adds water, and adds and is equivalent to the magnesium chloride of slurry weight 0.6%, the propylene glycol of 5%, the Methylisothiazolinone of 3%, the waterglass of 20%, heating in water bath is to 60 DEG C, sucking filtration, dries, it is thus achieved that water content 0.5-1wt% is combined clay.
Preferably, described nano titanium oxide is nanometer anatase titania.
The present embodiment can select any one prior art to be prepared from.
Embodiment 6
The present embodiment provides the Nano compound ceramic material of a kind of high adsorption, it is characterised in that: wherein include the nanometer calcium titanium compound of 4wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
Further, dolomite 20wt%, Anhydrite 15wt%, clay 45wt%, nanometer calcium titanium compound 4wt% and the quartz sand of surplus.
Further, described nanometer calcium compound is nano calcium oxide, and described nano-titanium compound is nano titanium oxide.
Further, described clay is compound clay；The preparation method of described compound clay is as follows:
5:7:1 in mass ratio weighs kibushi clay, red bauxite and purple clay, mix homogeneously, pulverize, crossing 320 mesh sieves, the serosity that concentration is 45wt% is made in the stirring that adds water, and adds and is equivalent to the magnesium chloride of slurry weight 0.8%, the propylene glycol of 3%, the Methylisothiazolinone of 4%, the waterglass of 10%, heating in water bath is to 60 DEG C, sucking filtration, dries, it is thus achieved that water content 0.5wt% is combined clay.
Further, described nano titanium oxide is nanometer anatase titania.
The present embodiment additionally provides the preparation method of the Nano compound ceramic material of a kind of above-mentioned high adsorption, it is characterised in that comprise the following steps:
(1) taking clay, quartz sand, Anhydrite mix homogeneously, be deployed into the slurry of water content 35%, ball mill grinding 30h, standing carries out old；Then putting in container by the slurry after old, add nanometer calcium titanium compound grouting behind shaft or drift lining molding, briquetting pressure is 25-30MPa, it is thus achieved that green compact；
(2) green compact that step (1) prepares are dried at a temperature of 70-90 DEG C, are dried to blank water content less than 1%, then carry out dried blank soaking glaze；
(3) base substrate that step (2) prepares is carried out refine, it is placed in kiln the ramp with 10-15 DEG C/min to 200 DEG C, it is warming up to 950-1100 DEG C again with 3-5 DEG C, insulation 0.5-1.5h, it is warming up to 1220-1250 DEG C again with 2-5 DEG C, insulation 0.5-1.5h, cools to room temperature with the furnace, gets product.
Comparative example 1
The Nano compound ceramic material of a kind of high adsorption, wherein includes the calcium titanium compound of 15wt%, containing calcium oxide and 90 parts of titanium dioxide of 10 parts by weight in described nanometer calcium titanium compound.
Further, described ceramic material includes dolomite 56wt%, Anhydrite 3 wt%, clay 38 wt%, calcium titanium compound 4 wt% and the quartz sand of surplus.
Comparative example 2
The Nano compound ceramic material of a kind of high adsorption, wherein includes the nano titanium oxide of 15wt%.
Further, described ceramic material includes dolomite 42wt%, Anhydrite 17 wt%, clay 27 wt%, calcium titanium compound 4-15 wt% and the quartz sand of surplus.
Testing adsorption effect
Medicated cigarette filter element (cylindric, inwall is asperities) prepared by the ceramic material using above-described embodiment and comparative example, and configuration simultaneously is tested by aldoketones material concentration in flue gas before and after filter element containing formaldehyde, acetaldehyde, acetone, is respectively 5min by the time of filter element.Its result is as shown in Table 1 and Table 2.
Being more than the wherein specific implementation of the present invention, it describes more concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these obvious alternative forms belong to protection scope of the present invention.
Claims (7)
1. the Nano compound ceramic material of a high adsorption, it is characterised in that: wherein include the nanometer calcium titanium compound of 4-15wt%, containing nanometer calcium compound and 10 parts of nano-titanium compounds of 90 parts by weight in described nanometer calcium titanium compound.
The Nano compound ceramic material of high adsorption the most according to claim 1, it is characterised in that: dolomite 10-20wt%, Anhydrite 15-30wt%, clay 35-45wt%, nanometer calcium titanium compound 4-15 wt% and the quartz sand of surplus.
The Nano compound ceramic material of high adsorption the most according to claim 2, it is characterised in that: described nanometer calcium compound is nano calcium oxide, and described nano-titanium compound is nano titanium oxide.
The Nano compound ceramic material of high adsorption the most according to claim 3, it is characterised in that: described clay is compound clay；The preparation method of described compound clay is as follows:
5:7:1 in mass ratio weighs kibushi clay, red bauxite and purple clay, mix homogeneously, pulverize, crossing 250-320 mesh sieve, the serosity that concentration is 45-55wt% is made in the stirring that adds water, and adds and is equivalent to the magnesium chloride of slurry weight 0.4-0.8%, the propylene glycol of 3-6%, the Methylisothiazolinone of 2-4%, the waterglass of 10-30%, heating in water bath is to 50-60 DEG C, sucking filtration, dries, it is thus achieved that water content 0.5-1wt% is combined clay.
The Nano compound ceramic material of high adsorption the most according to claim 4, it is characterised in that: described nano titanium oxide is nanometer anatase titania.
6. the preparation method of the Nano compound ceramic material of the high adsorption as described in claim 2-5, it is characterised in that comprise the following steps:
(1) taking clay, quartz sand, Anhydrite mix homogeneously, be deployed into the slurry of water content 35%, ball mill grinding 30h, standing carries out old；Then putting in container by the slurry after old, add nanometer calcium titanium compound grouting behind shaft or drift lining molding, briquetting pressure is 25-30MPa, it is thus achieved that green compact；
(2) green compact that step (1) prepares are dried at a temperature of 70-90 DEG C, are dried to blank water content less than 1%, then carry out dried blank soaking glaze
；
(3) base substrate that step (2) prepares is carried out refine, be placed in kiln the ramp with 10-15 DEG C/min to 200 DEG C, then be warming up to 950-1100 DEG C with 3-5 DEG C, be incubated 0.5-1.5h, then be warming up to 1220-1250 DEG C with 2-5 DEG C, insulation
0.5-1.5h, cools to room temperature with the furnace, gets product.
7. the Nano compound ceramic material of the high adsorption as described in claim 1-5 application in manufacturing medicated cigarette filter element, industrial chimney, filler in packed column, water body purification, kitchen tools.
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