JPH11314022A - Photocatalytic deodorization filter and manufacture thereof - Google Patents
Photocatalytic deodorization filter and manufacture thereofInfo
- Publication number
- JPH11314022A JPH11314022A JP10124456A JP12445698A JPH11314022A JP H11314022 A JPH11314022 A JP H11314022A JP 10124456 A JP10124456 A JP 10124456A JP 12445698 A JP12445698 A JP 12445698A JP H11314022 A JPH11314022 A JP H11314022A
- Authority
- JP
- Japan
- Prior art keywords
- sintered body
- porous ceramic
- ceramic sintered
- deodorizing filter
- photocatalytic
- 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.)
- Pending
Links
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000004332 deodorization Methods 0.000 title abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000919 ceramic Substances 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 25
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052622 kaolinite Inorganic materials 0.000 claims abstract description 15
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 13
- 239000000440 bentonite Substances 0.000 claims abstract description 13
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- 230000001877 deodorizing effect Effects 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims 1
- 239000011941 photocatalyst Substances 0.000 abstract description 15
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000011148 porous material Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- HEHRHMRHPUNLIR-UHFFFAOYSA-N aluminum;hydroxy-[hydroxy(oxo)silyl]oxy-oxosilane;lithium Chemical compound [Li].[Al].O[Si](=O)O[Si](O)=O.O[Si](=O)O[Si](O)=O HEHRHMRHPUNLIR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052670 petalite Inorganic materials 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、光触媒を使用し
た脱臭フィルターおよびその製造方法に関する。[0001] The present invention relates to a deodorizing filter using a photocatalyst and a method for producing the same.
【０００２】[0002]
【従来の技術】空気清浄機などに装着する脱臭フィルタ
ーとして、酸化チタンの光触媒反応を利用して、活性
炭、無機繊維、パルプなどに光触媒を担持させたペーパ
ーをハニカム状に形成した光触媒脱臭フィルターが提案
されている。また、金属、樹脂、セラミック、ガラスな
どの担体の表面に、アナターゼ型酸化チタンなどの光触
媒をコーティングして、脱臭、抗菌、汚れ防止を行う方
法が種々実用されている。2. Description of the Related Art A photocatalytic deodorizing filter formed of a paper having a photocatalyst supported on activated carbon, inorganic fiber, pulp or the like by using a photocatalytic reaction of titanium oxide is used as a deodorizing filter mounted on an air purifier or the like. Proposed. In addition, various methods for coating a surface of a carrier such as a metal, a resin, a ceramic, or a glass with a photocatalyst such as anatase-type titanium oxide to perform deodorization, antibacterial treatment, and contamination prevention have been put to practical use.
【０００３】[0003]
【発明が解決しようとする課題】活性炭と酸化チタン粉
末とを混合した従来の光触媒脱臭フィルターは、機械的
強度が弱く、かつ耐熱性および耐水性の面で制約があ
る。また、アナターゼ型酸化チタンなど光触媒のコーテ
ィングは、いずれも担体の表面に下地処理を施す工程が
必要であったり、製造装置が大がかりになるなどの製造
コストが嵩む欠点がある。The conventional photocatalytic deodorizing filter in which activated carbon and titanium oxide powder are mixed has a low mechanical strength and is limited in terms of heat resistance and water resistance. In addition, the coating of a photocatalyst such as anatase-type titanium oxide has a drawback that the production cost is increased, for example, a step of applying a base treatment to the surface of the carrier is required, and the production equipment becomes large.
【０００４】請求項１または２に記載の発明の目的は、
機械的強度が大きく、耐水性および耐熱性に優れる光触
媒脱臭フィルターの提供にある。請求項３〜５に記載の
発明の目的は、担体の表面の下地処理が不要で、大がか
りな製造装置を必要としないため、簡単な設備で安価に
製造できる光触媒脱臭フィルターの製造方法の提供にあ
る。[0004] The object of the invention described in claim 1 or 2 is as follows.
An object of the present invention is to provide a photocatalytic deodorizing filter having high mechanical strength and excellent water resistance and heat resistance. An object of the invention described in claims 3 to 5 is to provide a method for manufacturing a photocatalytic deodorizing filter that can be manufactured at a low cost with simple equipment because a base treatment on the surface of a carrier is not required and a large-scale manufacturing apparatus is not required. is there.
【０００５】[0005]
【課題を解決するための手段】請求項１、２に記載の光
触媒脱臭フィルターは、アナターゼ型酸化チタンと、カ
オリナイトまたはベントナイトとからなる光触媒層、ま
たは前記に活性炭を加えた光触媒層を、多孔質セラミッ
ク焼結体の表面に付着させてなる。A photocatalytic deodorizing filter according to claim 1 or 2 is a photocatalytic layer comprising anatase type titanium oxide and kaolinite or bentonite, or a photocatalytic layer containing activated carbon added thereto. Attached to the surface of a porous ceramic sintered body.
【０００６】光触媒脱臭フィルターは、高い焼成温度で
熱処理された多孔質セラミック焼結体を担体として使用
しているため、強度が大きく耐水性、耐熱性に優れる。
また、担体表面の下地処理が不要であり、大がかりな製
造装置を必要としない。このため、長期間に沿って継続
して使用できるとともに製造コストが低減する。さら
に、担体が多孔質であり活性炭と同様に表面積が大きい
ため光触媒の担持量が多く、かつ光触媒層が多孔質の表
面に強固に固着でき剥離しにくい。[0006] The photocatalytic deodorizing filter uses a porous ceramic sintered body heat-treated at a high firing temperature as a carrier, and therefore has high strength and excellent water resistance and heat resistance.
In addition, there is no need for a base treatment on the surface of the carrier, and no large-scale manufacturing apparatus is required. For this reason, it can be used continuously over a long period of time and the manufacturing cost is reduced. Further, since the carrier is porous and has a large surface area like activated carbon, the amount of the photocatalyst carried is large, and the photocatalyst layer can be firmly fixed to the porous surface and is not easily separated.
【０００７】請求項３〜５に記載の光触媒脱臭フィルタ
ーの製造方法は、アナターゼ型酸化チタン粉末、カオリ
ナイトまたはベントナイトの粉末、有機バインダー及び
水を所定の割合で混練した泥しょう、あるいは該泥しょ
うに活性炭粉末を加えた泥しょうに、多孔質セラミック
焼結体を浸漬するか又は前記泥しょうを多孔質セラミッ
ク焼結体にスプレーし、所定の温度で熱処理することを
特徴とする。A method for producing a photocatalytic deodorizing filter according to claims 3 to 5, wherein the anatase type titanium oxide powder, kaolinite or bentonite powder, an organic binder and water are kneaded at a predetermined ratio, or the slurry is kneaded. The porous ceramic sintered body is immersed in a slurry containing activated carbon powder added thereto, or the slurry is sprayed on the porous ceramic sintered body and heat-treated at a predetermined temperature.
【０００８】光触媒脱臭フィルターの製造方法は、上記
泥しょうに多孔質セラミック焼結体を浸漬するか又は多
孔質セラミック焼結体に上記泥しょうをスプレーし、所
定の温度で熱処理することにより、簡単な設備で安価に
製造することができる。いずれの製造方法においても、
担体が表面に無数の細孔を有するために泥しょうの付着
性および担体組織内への浸透性がよく、熱処理後の光触
媒層は強固に担体表面に固着できるとともに、触媒層の
表面積が大きくなる。[0008] The method for producing a photocatalytic deodorizing filter is simple by immersing a porous ceramic sintered body in the above-mentioned slurry or spraying the above-mentioned slurry on the porous ceramic sintered body and heat-treating it at a predetermined temperature. It can be manufactured at low cost with simple equipment. In any manufacturing method,
The carrier has a myriad of pores on the surface, so it has good adhesion to the slurry and penetrates into the carrier tissue, and the photocatalytic layer after heat treatment can be firmly fixed to the carrier surface and the surface area of the catalyst layer increases. .
【０００９】[0009]
【発明の実施の形態】図１は、この発明の第一の実施形
態にかかる光触媒脱臭フィルター１を示し、熱膨張が小
さく熱衝撃抵抗の大きいコージライト質で板状の多孔質
セラミック焼結体２１に、空気の通過穴として板厚方向
の多数の貫通穴２２を分散して設けた担体２と、該担体
２の表面（多孔質セラミック焼結板２１の組織の孔内を
含む）に付着させた光触媒層３とからなる。光触媒層３
は、アナターゼ型酸化チタンと、カオリナイトまたはベ
ントナイトとの混合物、あるいはこれらに活性炭を加え
た混合物で形成されている。FIG. 1 shows a photocatalytic deodorizing filter 1 according to a first embodiment of the present invention, which is a cordierite plate-shaped porous ceramic sintered body having a small thermal expansion and a large thermal shock resistance. A carrier 2 having a large number of through-holes 22 in the plate thickness direction dispersed therein as air passage holes, and adheres to the surface of the carrier 2 (including the inside of the pores of the structure of the porous ceramic sintered plate 21). And the photocatalyst layer 3 thus formed. Photocatalyst layer 3
Is formed of a mixture of anatase-type titanium oxide and kaolinite or bentonite, or a mixture of these and activated carbon.
【００１０】この光触媒脱臭フィルター１は、空気清浄
機に装着されてブロワに誘導された空気が光触媒脱臭フ
ィルター１内を通過する際に脱臭される。この脱臭フィ
ルター１は、担体２として強固で耐熱性、耐水性に優れ
た多孔質セラミック焼結体２１を使用しているので、高
温、多湿、振動など外力が加わる使用条件下でも長期
間、ブラックライトや日光等の紫外線を照射される条件
下で再生して使用することができる。The photocatalyst deodorizing filter 1 is attached to an air purifier and is deodorized when the air guided to the blower passes through the photocatalytic deodorizing filter 1. Since the deodorizing filter 1 uses the porous ceramic sintered body 21 which is strong and has excellent heat resistance and water resistance as the carrier 2, it can be used for a long time even under the use condition where external force such as high temperature, high humidity and vibration is applied. It can be regenerated and used under conditions of irradiation with ultraviolet rays such as light and sunlight.
【００１１】多孔質セラミック焼結体２１の材質として
は、アルミナ、ムライト、ペタライトなどのセラミック
が好適に使用できる。カオリナイトまたはベントナイト
は、泥しょう成分を結合させる粘結性を増大させ、浸漬
またはスプレーによる泥しょうの多孔質セラミック焼結
体２１の表面への付着を容易にするとともに、熱処理後
に微細な気孔を形成する作用を果たす。As the material of the porous ceramic sintered body 21, ceramics such as alumina, mullite, petalite and the like can be suitably used. Kaolinite or bentonite increases the cohesiveness of binding the slurry components, facilitates the adhesion of the slurry to the surface of the porous ceramic sintered body 21 by dipping or spraying, and reduces fine pores after heat treatment. It acts to form.
【００１２】活性炭は、ベンゼン等の芳香族系物質の吸
着が良好であり、アナターゼ型酸化チタンはアンモニア
等の極性物質の吸着、分解に好適である。このため、活
性炭とアナターゼ型酸化チタンとの組み合わせにより、
広範囲の脱臭作用の相乗効果が得られる。Activated carbon has good adsorption of aromatic substances such as benzene, and anatase type titanium oxide is suitable for adsorption and decomposition of polar substances such as ammonia. Therefore, by the combination of activated carbon and anatase type titanium oxide,
A synergistic effect of a wide range of deodorizing action can be obtained.
【００１３】図２は光触媒脱臭フィルター１の他の実施
例を示し、柱体２３に軸方向の貫通穴２４を密集して形
成した、いわゆるハニカム状の多孔質セラミック焼結体
２１を光触媒の担体２として使用している。このハニカ
ム状の多孔質セラミック焼結体からなる担体２は、高強
度、耐熱性、耐水性、高吸着性、高比表面積のものが得
られる利点がある。このように、多孔質セラミック焼結
体２１の形状または構造は、用途に応じて選択できる。FIG. 2 shows another embodiment of the photocatalyst deodorizing filter 1, in which a so-called honeycomb-shaped porous ceramic sintered body 21 in which axial through holes 24 are densely formed in a column 23 is used as a carrier for a photocatalyst. Used as 2. The carrier 2 made of the honeycomb-shaped porous ceramic sintered body has an advantage that a carrier having high strength, heat resistance, water resistance, high adsorptivity, and high specific surface area can be obtained. Thus, the shape or structure of the porous ceramic sintered body 21 can be selected according to the application.
【００１４】図３は光触媒脱臭フィルター１の製造方法
を示す。図３の（イ）に示す如く、所定の形状、構造の
多孔質セラミック焼結体２１を焼成する。つぎに、図３
の（ロ）に示す如く、アナターゼ型酸化チタン粉末、カ
オリナイトまたはベントナイトの粉末、有機バインダー
及び水を所定の割合で混練した泥しょう、あるいは該泥
しょうに活性炭粉末を加えた泥しょう４中に多孔質セラ
ミック焼結体２１を浸漬するか、または図３の（ハ）に
示す如く、泥しょう４を吹付装置４１により多孔質セラ
ミック焼結体２１にスプレーして、多孔質セラミック焼
結体２１の表面に付着させる。FIG. 3 shows a method of manufacturing the photocatalytic deodorizing filter 1. As shown in FIG. 3A, a porous ceramic sintered body 21 having a predetermined shape and structure is fired. Next, FIG.
As shown in (b), in an anatase type titanium oxide powder, a kaolinite or bentonite powder, an organic binder and a slurry mixed with water at a predetermined ratio, or a slurry 4 in which activated carbon powder is added to the slurry. The porous ceramic sintered body 21 is immersed, or as shown in FIG. To adhere to the surface.
【００１５】つぎに、図３の（ニ）に示す如く、所定の
温度で熱処理し、泥しょうが付着した多孔質セラミック
焼結体２１を熱処理炉４２において、たとえば、大気
中、８０〜１８０℃、１〜１０時間の条件で熱処理し、
図１に示す光触媒脱臭フィルター１を製造する。Next, as shown in FIG. 3D, the porous ceramic sintered body 21 to which the slurry is adhered is heat-treated at a predetermined temperature in a heat treatment furnace 42, for example, at 80 to 180.degree. Heat-treated for 1 to 10 hours,
The photocatalytic deodorizing filter 1 shown in FIG. 1 is manufactured.
【００１６】この製造方法では、多孔質セラミック焼結
体２１の表面への泥しょう４の付着が簡単な設備で行え
るため、製造コストが低減できる。また、担体２が表面
に無数の細孔を有する（図１の拡大図参照）ために泥し
ょう４の付着性および組織内への浸透性がよく、焼成後
の光触媒層３は強固に担体２の表面に固着できるととも
に、担体２は多孔質セラミック焼結体であるため光触媒
層３の表面積が大きくできる。In this manufacturing method, since the slurry 4 can be attached to the surface of the porous ceramic sintered body 21 with simple equipment, the manufacturing cost can be reduced. In addition, since the carrier 2 has a myriad of pores on its surface (refer to the enlarged view of FIG. 1), the adhesion of the plasma 4 and the permeability into the tissue are good, and the photocatalyst layer 3 after sintering makes the carrier 2 firm. And the surface area of the photocatalyst layer 3 can be increased because the carrier 2 is a porous ceramic sintered body.
【００１７】この発明の光触媒脱臭フィルターおよび光
触媒脱臭フィルターの製造方法では、アナターゼ型酸化
チタンは３０〜８０重量％、活性炭粉末は０〜４０重量
％、カオリナイトまたはベントナイトは２０〜４０重量
％、有機バインダーは０〜１０重量％の混合物であり、
水は前記混合物に対し３０〜５０重量％であることが必
要である。この混合割合の泥しょう４は、担体２の表面
に円滑かつ均一に付着させることが可能である。In the method for producing a photocatalytic deodorizing filter and a photocatalytic deodorizing filter according to the present invention, 30 to 80% by weight of anatase type titanium oxide, 0 to 40% by weight of activated carbon powder, 20 to 40% by weight of kaolinite or bentonite, The binder is a mixture of 0 to 10% by weight,
Water must be between 30 and 50% by weight of the mixture. The slurry 4 having this mixing ratio can be smoothly and uniformly attached to the surface of the carrier 2.
【００１８】最も望ましくは、アナターゼ型酸化チタン
は３５〜７０重量％、活性炭粉末は２０〜３５重量％、
カオリナイトまたはベントナイトは２０〜３０重量％、
有機バインダーは５〜１０重量％の混合物とし、水は前
記混合部に対し４０重量％とする。これにより、担体２
の表面および孔に最も効率的に付着できる泥しょう４が
得られる。Most preferably, the anatase type titanium oxide is 35 to 70% by weight, the activated carbon powder is 20 to 35% by weight,
20-30% by weight kaolinite or bentonite,
The organic binder is a mixture of 5 to 10% by weight, and water is 40% by weight based on the mixed portion. Thereby, the carrier 2
A slurry 4 that can be most efficiently adhered to the surface and the pores of the glass is obtained.
【００１９】[0019]
【実施例】図４は、光触媒脱臭フィルター１の製造方法
の第１実施例を示す。この実施例では、アナターゼ型酸
化チタン３５重量％、活性炭粉末３５重量％、カオリナ
イト２０重量％、有機バインダー１０重量％の混合物
を、これらの総和の４０重量％の水とともに混練して、
泥しょう４を作る。この泥しょう４を浸漬またはスプレ
ーにより光触媒脱臭フィルター１の表面に付着させる。
つぎに、大気中で、１００℃、５時間の熱処理を行い、
図１に示す光触媒脱臭フィルター１を製造した。FIG. 4 shows a first embodiment of the method for producing the photocatalytic deodorizing filter 1. As shown in FIG. In this example, a mixture of 35% by weight of anatase type titanium oxide, 35% by weight of activated carbon powder, 20% by weight of kaolinite, and 10% by weight of an organic binder was kneaded with water of 40% by weight of the total of these,
Make mud 4 The slurry 4 is attached to the surface of the photocatalytic deodorizing filter 1 by dipping or spraying.
Next, heat treatment is performed at 100 ° C. for 5 hours in the air.
The photocatalytic deodorizing filter 1 shown in FIG. 1 was manufactured.
【００２０】図５は、光触媒脱臭フィルター１の製造方
法の第２実施例を示す。この実施例では、アナターゼ型
酸化チタン６０重量％、カオリナイト３０重量％、有機
バインダー１０重量％の混合物を、これらの総和の４０
重量％の水とともに混練して、泥しょう４を作る。この
泥しょう４を浸漬またはスプレーにより光触媒脱臭フィ
ルター１の表面に付着させる。つぎに、大気中で、１２
０℃、３時間の熱処理を行い、図１に示す光触媒脱臭フ
ィルター１を製造した。FIG. 5 shows a second embodiment of the method for manufacturing the photocatalytic deodorizing filter 1. In this example, a mixture of 60% by weight of anatase type titanium oxide, 30% by weight of kaolinite, and 10% by weight of an organic binder was mixed with 40% of the total of these.
Knead with water by weight to make a slurry 4. The slurry 4 is attached to the surface of the photocatalytic deodorizing filter 1 by dipping or spraying. Next, in the atmosphere, 12
Heat treatment was performed at 0 ° C. for 3 hours to produce the photocatalytic deodorizing filter 1 shown in FIG.
【００２１】これらの製造方法で製造した光触媒脱臭フ
ィルター１は、いずれも、担体が高い焼成温度で熱処理
でき、強度が大きく耐水性、耐熱性に優れる。また、担
体表面の下地処理が不要で、大がかりな製造装置を必要
としない。このため、長期間に沿って継続して使用でき
るとともに製造コストが低い。In any of the photocatalytic deodorizing filters 1 produced by these production methods, the carrier can be heat-treated at a high calcination temperature, and has high strength and excellent water resistance and heat resistance. In addition, there is no need for a base treatment on the surface of the carrier, and no large-scale manufacturing apparatus is required. Therefore, it can be used continuously over a long period of time and the manufacturing cost is low.
【図１】本発明の光触媒脱臭フィルターの斜視図であ
る。FIG. 1 is a perspective view of a photocatalytic deodorizing filter of the present invention.
【図２】他の実施例の光触媒脱臭フィルターの斜視図で
ある。FIG. 2 is a perspective view of a photocatalytic deodorizing filter according to another embodiment.
【図３】光触媒脱臭フィルターの製造方法を示す工程図
である。FIG. 3 is a process chart showing a method for producing a photocatalytic deodorizing filter.
【図４】光触媒脱臭フィルターの製造方法を示す工程図
である。FIG. 4 is a process chart showing a method for producing a photocatalytic deodorizing filter.
【図５】他の光触媒脱臭フィルターの製造方法を示す工
程図である。FIG. 5 is a process chart showing a method for producing another photocatalytic deodorizing filter.
１ 光触媒脱臭フィルター ２ 担体 ２１ 多孔質セラミック焼結体 ３ 光触媒層 ４ 泥しょう Reference Signs List 1 photocatalytic deodorizing filter 2 carrier 21 porous ceramic sintered body 3 photocatalytic layer 4 slurry
───────────────────────────────────────────────────── フロントページの続き (72)発明者 成田 常則 岐阜県可児市姫ケ丘２丁目23番地 ジャパ ンセラミックス株式会社内 (72)発明者 堀田 靖則 岐阜県美濃加茂市御門町２丁目２番62号 二村化学工業株式会社岐阜工場内 (72)発明者 大口 正美 名古屋市中村区名駅二丁目29番16号 二村 化学工業株式会社内 (72)発明者 石川 善弘 名古屋市中川区福住町２番26号 リンナイ 株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Narita Tsuneori 2-23 Himegaoka, Kani-shi, Gifu Japan Ceramics Co., Ltd. (72) Inventor Masami Oguchi 2-29-16, Meieki, Nakamura-ku, Nagoya-shi Nimura Chemical Industry Co., Ltd. (72) Yoshihiro Ishikawa 2-26, Fukuzumicho, Nakagawa-ku, Nagoya Rinnai Co., Ltd.
Claims (5)
トまたはベントナイトとからなる光触媒層を、多孔質セ
ラミック焼結体の表面に付着させてなる光触媒脱臭フィ
ルター。1. A photocatalytic deodorizing filter comprising a photocatalytic layer comprising anatase type titanium oxide and kaolinite or bentonite adhered to the surface of a porous ceramic sintered body.
カオリナイトまたはベントナイトとからなる光触媒層
を、多孔質セラミック焼結体の表面に付着させてなる光
触媒脱臭フィルター。2. An anatase type titanium oxide, an activated carbon,
A photocatalytic deodorizing filter in which a photocatalytic layer composed of kaolinite or bentonite is attached to the surface of a porous ceramic sintered body.
イトまたはベントナイトの粉末、有機バインダー及び水
を所定の割合で混練した泥しょうに、多孔質セラミック
焼結体を浸漬し、所定の温度で熱処理することを特徴と
する光触媒脱臭フィルターの製造方法。3. A porous ceramic sintered body is immersed in a slurry in which anatase type titanium oxide powder, kaolinite or bentonite powder, an organic binder and water are kneaded at a predetermined ratio, and heat-treated at a predetermined temperature. A method for producing a photocatalytic deodorizing filter, comprising:
末、カオリナイトまたはベントナイトの粉末、有機バイ
ンダー及び水を所定の割合で混練した泥しょうに、多孔
質セラミック焼結体を浸漬し、所定の温度で熱処理する
ことを特徴とする光触媒脱臭フィルターの製造方法。4. A porous ceramic sintered body is immersed in a slurry in which anatase type titanium oxide powder, activated carbon powder, kaolinite or bentonite powder, an organic binder and water are kneaded at a predetermined ratio, and is heated at a predetermined temperature. A method for producing a photocatalytic deodorizing filter, which comprises performing a heat treatment.
前記多孔質セラミック焼結体にスプレーにより塗布し、
所定の温度で熱処理することを特徴とする光触媒脱臭フ
ィルターの製造方法。5. The slurry according to claim 3 or 4,
Spray applied to the porous ceramic sintered body,
A method for producing a photocatalytic deodorizing filter, comprising heat-treating at a predetermined temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10124456A JPH11314022A (en) | 1998-05-07 | 1998-05-07 | Photocatalytic deodorization filter and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10124456A JPH11314022A (en) | 1998-05-07 | 1998-05-07 | Photocatalytic deodorization filter and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11314022A true JPH11314022A (en) | 1999-11-16 |
Family
ID=14885978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10124456A Pending JPH11314022A (en) | 1998-05-07 | 1998-05-07 | Photocatalytic deodorization filter and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11314022A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003095074A1 (en) * | 2002-05-08 | 2003-11-20 | Donald Lawrence Lush | Air purifying composition |
| KR100494737B1 (en) * | 2002-10-11 | 2005-06-14 | 주식회사 미래소재 | A functionally metal sound-absorbing power materials and manufacturing mathod |
| JP2007000696A (en) * | 2005-06-21 | 2007-01-11 | Yoshihiko:Kk | Porosity molded body |
| JP2017042756A (en) * | 2015-08-28 | 2017-03-02 | コリア・インスティテュート・オブ・サイエンス・アンド・テクノロジー | Catalyst containing nano metal catalyst injected on support surface |
-
1998
- 1998-05-07 JP JP10124456A patent/JPH11314022A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003095074A1 (en) * | 2002-05-08 | 2003-11-20 | Donald Lawrence Lush | Air purifying composition |
| KR100494737B1 (en) * | 2002-10-11 | 2005-06-14 | 주식회사 미래소재 | A functionally metal sound-absorbing power materials and manufacturing mathod |
| JP2007000696A (en) * | 2005-06-21 | 2007-01-11 | Yoshihiko:Kk | Porosity molded body |
| JP2017042756A (en) * | 2015-08-28 | 2017-03-02 | コリア・インスティテュート・オブ・サイエンス・アンド・テクノロジー | Catalyst containing nano metal catalyst injected on support surface |
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