JPS60108048A - Air purifying agent - Google Patents
Air purifying agentInfo
- Publication number
- JPS60108048A JPS60108048A JP58215001A JP21500183A JPS60108048A JP S60108048 A JPS60108048 A JP S60108048A JP 58215001 A JP58215001 A JP 58215001A JP 21500183 A JP21500183 A JP 21500183A JP S60108048 A JPS60108048 A JP S60108048A
- Authority
- JP
- Japan
- Prior art keywords
- molded body
- honeycomb molded
- air
- purifying agent
- air purifying
- 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
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は空気浄化剤に関し、さらに詳述すると大気汚染
物11又は悪臭物質を効率よく除去するために用いられ
る通気抵抗の小さい過マンガン酸カリウムを含有したハ
ニカム成型体からなる空気浄化剤に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an air purifying agent, and more specifically, the present invention relates to an air purifying agent made from a honeycomb molded body containing potassium permanganate with low ventilation resistance and used for efficiently removing air pollutants 11 or malodorous substances. The invention relates to an air purifying agent.
従来、工場、事務所、家庭等において、快適な環境をつ
くる一環として空気中に含有されている大気汚染物質又
は悪臭物質を除去して大気汚染の防止及び清浄化を計る
ために各種の方法が行われている。Conventionally, in factories, offices, homes, etc., various methods have been used to prevent and purify the air by removing air pollutants or malodorous substances contained in the air as part of creating a comfortable environment. It is being done.
その具体例を示すと、空気浄化剤として成型体に酸化剤
である過マンガン酸カリウム(以下、[xMnOJと記
す)を含浸せしめ、その酸化作用により空気の浄化を行
う方法がある。この方法は空気浄化剤として
(1) 直径2〜10鵡位の球状の活性アルミナにKM
nO4を含浸させたもの(球状)
+21 KMnO4にゼオライト等の無機吸着性物質を
混合したものを直径1〜7 mt位の円柱状に成型した
もの(うどん状)
(3)無機質担体を適当な大きさに破砕したものにKM
nO4を含浸せしめたもの(破砕状環)l 記fil
、 +21 、 +31の成型体を用いて、該成型体を
ステンレス、鉄鴛−の金属あるいはプラスチックの網、
よりなるフィルター、不織布等のフィルターに充HH4
1,て使用しているが空気の通気抵抗が高いため圧ノJ
損失がj四< 、小型のファンを使用した空気浄1し装
厘ては十分な薬剤量を充填することが不可能てあり、又
該成型体は粉化し易く、強度が不足する欠点がある。A specific example is a method in which a molded body is impregnated with an oxidizing agent, potassium permanganate (hereinafter referred to as [xMnOJ), as an air purifying agent, and the air is purified by its oxidizing action. This method uses KM as an air purifying agent.
nO4 impregnated (spherical) +21 KMnO4 mixed with an inorganic adsorptive substance such as zeolite and molded into a cylinder shape with a diameter of 1 to 7 m (udon shape) (3) Inorganic carrier of appropriate size KM for crushed pieces
Impregnated with nO4 (fractured ring)
, +21, +31, the molded body is coated with stainless steel, iron ore metal or plastic mesh,
Fill filters made of polyester, non-woven fabrics, etc. with HH4.
1. Although I am using it, the pressure is low due to high air ventilation resistance.
If the loss is <4, it is impossible to fill a sufficient amount of medicine with air purification using a small fan, and the molded product is easily powdered and has the disadvantage of lacking strength. .
他ツバ活性炭等の吸着作用を利用する方法として、活性
炭からなるハニカム成型体が知られているが、該ハニカ
ム成型体では大気汚染物質又は悪臭物質の中でNo1エ
チレン、ホルマリン等を全く除去できす、NH3、H2
S、SO2等に対しては吸着能力が低く、活性炭への吸
着の飽和現象や脱着現象があり、又極く稀薄な濃度のガ
スに対しては吸均容量が小さい欠点がある。A honeycomb molded body made of activated carbon is known as a method that utilizes the adsorption effect of activated carbon, etc., but this honeycomb molded body is completely unable to remove ethylene, formalin, etc., which are No. 1 among air pollutants or malodorous substances. ,NH3,H2
It has a low adsorption capacity for S, SO2, etc., and there is a saturation phenomenon of adsorption to activated carbon and a desorption phenomenon.Also, it has a disadvantage that it has a small average absorption capacity for gases with extremely dilute concentrations.
又、活性アルミナやゼオライトよりなるハニカム成型体
も一部では利用されているが、大気汚染物質又は悪臭物
質の除去能力は水等一部の物質に限定され充分な空気浄
化効果を得ることができない欠点がある。In addition, honeycomb molded bodies made of activated alumina and zeolite are used in some cases, but their ability to remove air pollutants or malodorous substances is limited to certain substances such as water, and sufficient air purification effects cannot be obtained. There are drawbacks.
本発明者等は上記のような従来技術に鑑みて研究を行っ
た結果、酸化剤であるに、MnO4を含有せしめたハニ
カム成形体を空気浄化剤として用いることにより空気の
浄化、脱臭処理において圧力損失が小さく、従来の活性
炭からなるハニカム成型体では除去できない還元性カス
の除去が可能となると共に効率よく空気浄化を行うこと
ができることを知見し本発明を完成したものである。As a result of research conducted in view of the prior art as described above, the present inventors have found that by using a honeycomb molded body containing MnO4, which is an oxidizing agent, as an air purifying agent, pressure can be reduced in air purification and deodorization processing. The present invention was completed based on the finding that the loss is small, that it is possible to remove reducing scum that cannot be removed with conventional honeycomb molded bodies made of activated carbon, and that air purification can be carried out efficiently.
即ち、本発明は有効成分としてKMnO4(過マンガン
酸カリウム)を含有したハニカム成型体よりなることを
特徴とする空気浄化剤である。That is, the present invention is an air purifying agent characterized by comprising a honeycomb molded body containing KMnO4 (potassium permanganate) as an active ingredient.
本発明に係わるKMnO4は通常の方法で製造されるも
のを用いることができ、高純度のものが好ましいが、多
少の不純物を含有するものでも何等さしつかえない。The KMnO4 used in the present invention can be produced by a conventional method, and is preferably of high purity, but may contain some impurities.
本発明において、有効成分であるKMnO4を含有する
ハニカム成型体は断面形状が六角形、五角形、四角形、
三角形等の多角形、円形、あるいは海綿状専のハニカム
体が用いられ、その大きさ及び形状は特に限定はなく、
用途に応じて任意のものを用いることができ、又その製
造法についても通常の方法で得られたものを用いること
ができる。In the present invention, the honeycomb molded body containing KMnO4, which is an active ingredient, has a cross-sectional shape of hexagon, pentagon, quadrangle,
A polygonal, circular, or cavernous honeycomb body such as a triangle is used, and there are no particular limitations on the size and shape.
Any material can be used depending on the purpose, and any material obtained by a conventional method can be used as the manufacturing method.
さらに、該ハニカム成型体の基材としては(ll K、
Mn(’14に対して反応しない不活性物貿であること
、
(2)比表面積、空孔容積が比較的大きいこと、(3)
望ましくは、それ自体空気汚染物質又は悪臭物′dの
吸描能を有すること、
(4) 水分の保持能力のあること
寺の特性を冶する多孔質無機吸着性物質が用いられ、具
体的には活性アルミナ、酸化鉄、酸化マグネシウム、酸
化カル7ウム等の金属酸化物又はそ水
れ媚の含水物である金−と化物、珪酸マグネ7ウム、珪
酸カルシウム等の金属珪酸塩、ゼオライトの如き結晶’
tbアルミノ珪酸塩、非晶質アルミノ珪酸塩(アルミノ
珪酸塩は一般にナトリウムアルミノシリケートであるが
、ナトリウムが他の金属に置換したものであってもよい
。)その細微粉末珪酸、シリカアルミナ等から選ばれた
1種又は2利1以上のものが用いられる。Furthermore, the base material of the honeycomb molded body is (ll K,
(2) It is an inert material that does not react with Mn ('14); (2) It has a relatively large specific surface area and pore volume; (3)
(4) Porous inorganic adsorptive material is used, which has the ability to retain moisture. are metal oxides such as activated alumina, iron oxide, magnesium oxide, and calcium oxide, or their aqueous hydrates, such as gold oxides, metal silicates such as magnesium silicate, calcium silicate, and zeolites. crystal'
tb aluminosilicate, amorphous aluminosilicate (aluminosilicate is generally sodium aluminosilicate, but sodium may be substituted with other metals), selected from fine powder silicic acid, silica alumina, etc. One or more of the following types are used.
本発明に係わる空気浄化剤におけるKMnO4の含有量
はハニカム成型体の構成物質によって異なるが、ハニカ
ム成型体100軍量部当り1〜15重量部が好適であり
、さらに好ましくは2〜7重量部であり、1重量部未満
では除去性能の寿命が短かくなり、又15重量部をこえ
るとハニカム成型体の細孔が塞がれ除去効率が低下する
傾向になり好ましくない。The content of KMnO4 in the air purifying agent according to the present invention varies depending on the constituent materials of the honeycomb molded body, but it is preferably 1 to 15 parts by weight, more preferably 2 to 7 parts by weight per 100 parts by weight of the honeycomb molded body. If it is less than 1 part by weight, the lifetime of the removal performance will be shortened, and if it exceeds 15 parts by weight, the pores of the honeycomb molded body will be clogged and the removal efficiency will tend to decrease, which is not preferable.
本発明に係わる空気浄化剤は前記の活性アルミナ、ゼオ
ライト等の多孔質無機吸着性物質よりなるハニカム成型
体を特定の濃度のに、MnO4溶液に一定時間浸漬した
後乾燥することにより容易に得ることができる。この際
、KMnO,溶液の濃度はKMnO4のハニカム成型体
への含浸効率を上げるためになるべく高濃度が好ましい
が、通常5〜20重量%の水溶液が好ましい。The air purifying agent according to the present invention can be easily obtained by immersing a honeycomb molded body made of a porous inorganic adsorptive material such as activated alumina or zeolite in a MnO4 solution at a specific concentration for a certain period of time, and then drying it. I can do it. At this time, the concentration of the KMnO solution is preferably as high as possible in order to increase the efficiency of impregnating the honeycomb molded body with KMnO4, but an aqueous solution of 5 to 20% by weight is usually preferred.
このようにして得られたKMnO4含有ハニカム成型体
を所望の形状に調製した後カラム等に充填し、該カラム
内に大気汚染物質又は悪臭物質を含有する空気を通過せ
しめることにより容易に空気の浄1ヒを行うことができ
る。After preparing the KMnO4-containing honeycomb molded body obtained in this way into a desired shape, it is packed into a column, etc., and air containing air pollutants or malodorous substances is passed through the column to easily purify the air. You can do 1 hit.
本発明に係わる空気浄化剤であるKMnO4含有ハニカ
ム成型体はKM1104の酸化作用及びハニカム成型体
の吸眉作用により還元性ガス、その他の広範lll1の
大気汚染物質又は悪臭物質を除去することができ・・該
物質の具体例を示すと、No 、 SO2,H2S 。The KMnO4-containing honeycomb molded body, which is an air purifying agent according to the present invention, can remove reducing gases and a wide range of other air pollutants or malodorous substances through the oxidizing effect of KM1104 and the suction effect of the honeycomb molded body.・Specific examples of the substance are No, SO2, H2S.
トリメチルアミン、トリエチルアミン等のアミン類、硫
化メチル等の硫化アルキル、 NH3、メチルメルカプ
タン等のメルカプタン類、ホルマリン等のアルデヒド類
、フェノール類、エチレン等の不飽和炭化氷菓等と下水
臭、動物臭、N尿臭等の悪臭およびこれ等の混合物が挙
げられる。Amines such as trimethylamine and triethylamine, alkyl sulfides such as methyl sulfide, mercaptans such as NH3 and methyl mercaptan, aldehydes such as formalin, phenols, unsaturated carbonized ice cream such as ethylene, sewage odor, animal odor, and nitrogen urine. Examples include malodors such as odors and mixtures thereof.
本発明に係わる空気浄化剤は上記の如く単独で使用する
ことができるが、さらに別の使用方法の1例として活性
炭よりなるハニカム成型体と併用すると、単独では除去
てき々い汚染物質を両者の相剰作用により除去すること
ができ優れた性能を示す。例えば、活性炭はNOx中の
N02を除去できるが、NOの除去はできないのでKM
nO,でNoをNo。The air purifying agent according to the present invention can be used alone as described above, but as an example of another method of use, when used together with a honeycomb molded body made of activated carbon, it is possible to remove pollutants that are difficult to remove from both. It can be removed by interaction and shows excellent performance. For example, activated carbon can remove N02 from NOx, but it cannot remove NO, so KM
nO, No to No.
に酸化すると上記の如く2種類のハニカム成型体を組合
せることによりNo及びN02の両者を良好に除去する
ことができる。When oxidized to , both No and N02 can be removed satisfactorily by combining two types of honeycomb molded bodies as described above.
併用方法としては、例えば同一のカラム内に/A/Bの
各層からなる多重層を形成してもよく、或いはKMnO
t含有ハニカム成型体を充填したカラムと別に活性炭ハ
ニカム成型体を充填したカラムとを設け、両者を連結手
段により連通してもよい。As a combined method, for example, a multilayer consisting of /A/B layers may be formed in the same column, or KMnO
A column filled with a t-containing honeycomb molded body and a column filled with an activated carbon honeycomb molded body may be provided separately, and both may be communicated with each other by a connecting means.
この場合、ハニカム成型体をカラムに充填する方法とし
てハニカム成型体同志の気孔を互に連通せしめて、被浄
化空気の通過の際に圧力損失を減少せしめることが望ま
しい。In this case, as a method of filling a column with honeycomb molded bodies, it is desirable to make the pores of the honeycomb molded bodies communicate with each other to reduce pressure loss during passage of the air to be purified.
又活性炭ハニカム成型体にKMnO4を含浸せしめると
、KMnO4が活性炭により還元されるので、この様な
処理を施したハニカム成型体は望ましくない。Furthermore, when an activated carbon honeycomb molded body is impregnated with KMnO4, the KMnO4 is reduced by the activated carbon, so a honeycomb molded body subjected to such treatment is not desirable.
す、上説明した様に、従来の空気浄化剤としての人工カ
ム成型体は主として活性炭ハニカム成型体が知られてい
るが、本発明のハニカム成型体の基材からなるハニカム
体を用いることは前例がなく、さらにKMnO4を含有
したハニカム体は全く新規なものであり、以下に示すよ
うな優れた効果がある。As explained above, the active carbon honeycomb molded body is mainly known as the artificial cam molded body used as a conventional air purifying agent, but the use of the honeycomb body made of the base material of the honeycomb molded body of the present invention is unprecedented. A honeycomb body containing KMnO4 is completely new and has excellent effects as shown below.
1)同一の線速度に対する某気流の圧力損失は従来の円
柱状のペレットに比べ通気、抵抗が少ないので1/10
以下である。1) The pressure loss of a certain airflow for the same linear velocity is 1/10 compared to conventional cylindrical pellets because there is less ventilation and resistance.
It is as follows.
2)本発明に係イっるハニカム成型体の強度は従来のペ
レットに比べて犬きく、粉化し難い。2) The strength of the honeycomb molded body according to the present invention is higher than that of conventional pellets, and it is difficult to powder.
3)従来のペレットの場合は層厚は約106が限度であ
るが、本発明に係わるハニカム成型体の層厚は相当薄い
もの、例えば2〜3鴎が調製可能である。3) In the case of conventional pellets, the layer thickness is limited to about 106 mm, but the honeycomb molded body according to the present invention can be prepared with a considerably thinner layer thickness, for example, 2 to 3 mm thick.
4)活性炭ハニカム成型体では十分に除去できないエチ
レン、NO,ホルマリン、 H2s 、 SO2等に対
し効率よく除去できる。4) It can efficiently remove ethylene, NO, formalin, H2s, SO2, etc., which cannot be sufficiently removed by activated carbon honeycomb moldings.
5)以上の点より家庭用の小型脱臭機、複写機等から発
生する有害ガス、悪臭ガス除去フィルター、エアコン、
クーラー、温風機等の空気浄化フィルター、車内空気清
浄機等に使用できる。5) Based on the above points, we recommend the use of small household deodorizers, filters for removing harmful gases and foul-smelling gases emitted from copying machines, air conditioners,
Can be used as air purifying filters for coolers, hot air fans, etc., and in car air purifiers.
なお、本発明にかかる空気浄化剤は、使用によって劣化
して浄化能がなくなった場合は、シュウ酸水溶液あるい
は過酸化水素と硫酸との水溶液等で浸漬処理、水洸およ
び乾燥することにより、ハニカム成型体が再生でき、こ
れに再び過マンガン酸カリウム水溶液を含浸せしめて繰
返し再使用することができる。In addition, if the air purifying agent according to the present invention deteriorates with use and loses its purifying ability, it can be treated with a honeycomb by immersion treatment in an oxalic acid aqueous solution or an aqueous solution of hydrogen peroxide and sulfuric acid, etc., followed by water bathing and drying. The molded body can be regenerated, impregnated with an aqueous potassium permanganate solution again, and reused repeatedly.
次に実施例及び比較例を示し、本発明をさらに具体的に
説明する。Next, Examples and Comparative Examples will be shown to further specifically explain the present invention.
実施例1〜4及び比較例1〜3
拐質が活性アルミナ、ゼオライト4Aよりなるハニカム
成型体で目開きがIB目、28目のものをダイヤモンド
カッターで22eX 221WIX 91113厚さに
切り、このものを温度40〜45℃のKMnO4水溶液
で濃度が5〜20゛車量%の液に15分間浸漬した後取
出し乾燥したものを各実施例における性能試験、圧力損
失の測定に使用した。Examples 1 to 4 and Comparative Examples 1 to 3 A honeycomb molded body made of activated alumina and 4A zeolite, with an opening of IB and 28, was cut with a diamond cutter to a thickness of 22eX 221WIX 91113. The samples were immersed in a KMnO4 aqueous solution having a concentration of 5 to 20% by volume at a temperature of 40 to 45°C for 15 minutes, then taken out and dried, and used for performance tests and pressure drop measurements in each example.
上記試験片をたて2.3 cm Xよこ2.3 Cm
×長さF30athのカラム(管〕の中ニ充填し、入口
より約s ppmのH2Sを含有した湿度60〜70%
、室温の空気をSv値25000で通過せしめたときの
スタート時より30分後のH2Sの除去率は第1表のと
おりであった。The above test piece is vertically 2.3 cm x horizontally 2.3 cm
×The inside of a column (tube) with length F30ath is packed, and the humidity is 60-70% containing about sp ppm H2S from the inlet.
Table 1 shows the H2S removal rate 30 minutes after the start when air at room temperature was passed through with an Sv value of 25,000.
一方、比較例として上記の試験片でKMnO4を含浸し
ないブランクのものを使用した。On the other hand, as a comparative example, a blank of the above test piece which was not impregnated with KMnO4 was used.
実施例5〜6及び比較例2
実施例1〜4と同様に同じ形状の試験片を四角のカラム
に充填し、入口より約5pp腸の802を含有した湿度
50〜60%、室温の空気をSv値を25000で通過
せしめた時のスタートより30分後のSO2の除去率は
第2表のとおりであった。Examples 5 to 6 and Comparative Example 2 Test pieces of the same shape as in Examples 1 to 4 were packed in a square column, and air at a humidity of 50 to 60% and room temperature containing about 5 pp of intestinal 802 was introduced from the inlet. The SO2 removal rate 30 minutes after the start when the Sv value was passed at 25,000 was as shown in Table 2.
−力、比較例として材質が活性炭よりなるハニカム成型
体を使用した。- As a comparative example, a honeycomb molded body made of activated carbon was used.
実施例7〜8及び比較例3〜4
実施例1〜4と同様に同じ形状の試験片を四角のカラム
に充填し、入口より約5pp脂のNH3を含有した湿度
50〜60%、室温の空気をSV値を25000で通過
せしめた時のスタート時より30分後のNH3の除去率
は第3表のとおりであった。Examples 7 to 8 and Comparative Examples 3 to 4 Test pieces of the same shape as in Examples 1 to 4 were packed in a square column, and a column containing about 5 pp fat of NH3 was introduced from the inlet at a humidity of 50 to 60% and room temperature. Table 3 shows the NH3 removal rate 30 minutes after the start when air was passed through at an SV value of 25,000.
一方、比較例4はゼオライト、ベントナイト、KMnO
4を混合、混練、3II1mφ×約10mmJ1に成型
、乾燥した円柱状のものを使用した。On the other hand, in Comparative Example 4, zeolite, bentonite, KMnO
4 was mixed, kneaded, molded into 3II 1 mφ x approximately 10 mm J1, and dried into a cylindrical shape.
実施例9〜11及び比較例5〜6
実施例1〜4と同様に同じ形状の試験片を四角のカラム
に充填し、入口より約0.1Ipp腸のN0x(NOQ
、6pp+i 、 8020.3PP■の混合ガス)を
含有した湿度60〜70%、室温の空気をSV値で25
000で通過せしめたときのスタート時より30分後の
N0x(NO+N02)の除去率は第4表のとおりであ
った。Examples 9 to 11 and Comparative Examples 5 to 6 Test pieces of the same shape as in Examples 1 to 4 were packed into a rectangular column, and approximately 0.1 Ipp intestinal NOx (NOQ
, 6pp+i, 8020.3PP■) containing air at a humidity of 60 to 70% and room temperature with an SV value of 25
Table 4 shows the removal rate of NOx (NO+N02) 30 minutes after the start when the temperature was 000.
すなわち、KMnO4含有ハニカム成型体と活性炭ハニ
カム成型体を組合せて使用すれば、相乗効果により高い
NOxの除去率が得られることがわかる。That is, it can be seen that if a KMnO4-containing honeycomb molded body and an activated carbon honeycomb molded body are used in combination, a high NOx removal rate can be obtained due to the synergistic effect.
実施例12
2Iiffl目のKMnO4含有活性アルミナハニカム
成型体(KMnO43,9重量部含有)を四角のカラム
に充填し、入口より約2 ppmのメチルメルカプタン
(CH35H)を含有した湿度70%、温度23℃の空
気をSV値25000で通過せしめたときのスタートよ
り20分後の除去率は83.3%であった。なお測定は
検知管を用いた。Example 12 A 2Iiffl KMnO4-containing activated alumina honeycomb molded body (containing 3.9 parts by weight of KMnO4) was packed into a square column, and the temperature was 70% and the temperature was 23°C containing about 2 ppm of methyl mercaptan (CH35H) from the inlet. The removal rate 20 minutes after the start when air was passed through with an SV value of 25,000 was 83.3%. Note that a detection tube was used for the measurement.
実施例13
1+am目のKMnO4含有活性アルミナハニカム成型
体(KMI+042.7重量部含有)を四角のカラムに
充填し、入口より約2 pp+mのトリメチルアミン[
(c)13) 3 N]を含有した湿度50%、温度2
1”Cの空気をSV値25000で通過せしめたときの
スタートより10分後の除去率は68.7%であった。Example 13 A square column was packed with a 1+am KMnO4-containing activated alumina honeycomb molded body (containing 2.7 parts by weight of KMI+0), and about 2 pp+m of trimethylamine [
(c) 13) 3 N] at a humidity of 50% and a temperature of 2
When air of 1"C was passed through with an SV value of 25,000, the removal rate 10 minutes after the start was 68.7%.
なお測定は検知管を用いた。Note that a detection tube was used for the measurement.
実施例14
1am目のKMnO4含有活性アルミナl\ニカム成型
体(KMnO43,8重量部含有)を四角のカラムに充
填し、入口より約5 ppmのトリエチルアミン[(C
2H,、)3Nコを含有した湿度BO%、温度22℃の
空気をSv値25000で通過せしめたときのスタート
より10分後の除去率は83.1%であった。なお測定
は検知管を用いた。Example 14 A square column was packed with a 1 am-th KMnO4-containing activated alumina l\nicum molded product (containing 3.8 parts by weight of KMnO4), and approximately 5 ppm of triethylamine [(C
When air containing 2H, , ) 3N at a humidity of BO% and a temperature of 22° C. was passed through with an Sv value of 25,000, the removal rate 10 minutes after the start was 83.1%. Note that a detection tube was used for the measurement.
実施例15
活性アルミナよりなる2mm目のハニカム成型体をダイ
ヤモンドカッターで22mIaX 22mmX 50m
m厚さに切る。このものを40〜45℃のKMnO4水
溶液で偏度が8重量%の液に15分間浸漬した後取出し
、乾燥したもののKMnO4含有量は4.3重量部であ
った。Example 15 A 2mm honeycomb molded body made of activated alumina was cut into 22mIaX 22mmX 50m with a diamond cutter.
Cut into m-thick pieces. This material was immersed for 15 minutes in a KMnO4 aqueous solution having a polarization of 8% by weight at 40 to 45 DEG C., taken out and dried, and the KMnO4 content was 4.3 parts by weight.
この試験片を孔の軸方向に2段積み重ね、厚さを100
+w鵬とし断面が四角のカラムに充填し、カラム内の空
気速度を種々に変えてハニカム部分の入口側と出口側の
圧力損失を測定する。また、これと比較のため、比較例
4で用いた従来の円柱状成型品(3mmφx 1hmJ
1 )を層厚100mmになるように同じカラムに充填
したものを測定した。その結果は第1図に示す通りであ
った。These test pieces were stacked in two stages in the axial direction of the hole, and the thickness was adjusted to 100 mm.
A column with a square cross section was filled with +wpeng, and the air velocity in the column was varied to measure the pressure loss on the inlet and outlet sides of the honeycomb portion. In addition, for comparison, the conventional cylindrical molded product used in Comparative Example 4 (3mmφ x 1hmJ
1) was packed in the same column to a layer thickness of 100 mm and measured. The results were as shown in FIG.
第1図において、実線は本発明にがかるハニカム成型体
および点線は、従来の円柱状成型品のカラムに空気を通
した時の、空気速度(m/s)と圧力損失(mmaq)
との関係を示すものである。In Fig. 1, the solid line represents the honeycomb molded article according to the present invention, and the dotted line represents the air velocity (m/s) and pressure loss (mmaq) when air is passed through a column of a conventional cylindrical molded product.
It shows the relationship between
この図から明らかな如く、本発明の空気浄化剤の方がは
るかに圧力損失が小さいことがわかる。As is clear from this figure, the air purifying agent of the present invention has a much smaller pressure loss.
第1図は本発明に係わるハニカム成型体と従来の円柱状
ペレットとの空気流の圧力損失を示すグラフである。
出願人 日本化学工業株式会社
代理人 豊 1) 善 雄
第1図
1(
)
(笥
空 気 速 度 (771/s)
第1頁の続きFIG. 1 is a graph showing the pressure loss of air flow between a honeycomb molded body according to the present invention and a conventional cylindrical pellet. Applicant Nihon Kagaku Kogyo Co., Ltd. Agent Yutaka 1) Yoshio Figure 1 1 ( ) (Air velocity (771/s) Continued from page 1
Claims (3)
ハニカム成型体より々ることを特徴とする空気浄化剤(1) An air purifying agent characterized by being more than a honeycomb molded product containing potassium permanganate as a self-effective ingredient
100重量部当り1〜15重量部であることを特徴とす
る特許請求の範囲第1項記載の空気浄化剤(2) The air purifying agent according to claim 1, wherein the content of potassium permanganate is 1 to 15 parts by weight per 100 parts by weight of the honeycomb molded body.
化物、金属珪酸塩又はアルミノ珪酸塩から選はれた1種
又は2種以上のものであることを特徴とする特許請求の
範囲第1項又は第2項記載の空気浄化剤(3) Claims characterized in that the base material of the honeycomb molded body is one or more selected from metal oxides, metal hydroacetates, metal silicates, and aluminosilicates. Air purifying agent according to paragraph 1 or 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58215001A JPS60108048A (en) | 1983-11-17 | 1983-11-17 | Air purifying agent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58215001A JPS60108048A (en) | 1983-11-17 | 1983-11-17 | Air purifying agent |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60108048A true JPS60108048A (en) | 1985-06-13 |
Family
ID=16665056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58215001A Pending JPS60108048A (en) | 1983-11-17 | 1983-11-17 | Air purifying agent |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60108048A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6291225A (en) * | 1985-10-18 | 1987-04-25 | Nippon Chem Ind Co Ltd:The | Air-purifying agent |
JP2012030199A (en) * | 2010-08-03 | 2012-02-16 | Japan Pionics Co Ltd | Method for treating gas containing nitrogen oxide |
WO2013031415A1 (en) * | 2011-08-29 | 2013-03-07 | ニチアス株式会社 | Nitrogen dioxide adsorbent, nitrogen dioxide adsorption apparatus, and method for removing nitrogen dioxide |
WO2021033404A1 (en) * | 2019-08-22 | 2021-02-25 | 三浦工業株式会社 | Purification method for oils |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS571421A (en) * | 1980-06-04 | 1982-01-06 | Nippon Chem Ind Co Ltd:The | Air cleaning agent |
JPS58159755A (en) * | 1982-03-18 | 1983-09-22 | 松下電器産業株式会社 | Deodorizing apparatus |
-
1983
- 1983-11-17 JP JP58215001A patent/JPS60108048A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS571421A (en) * | 1980-06-04 | 1982-01-06 | Nippon Chem Ind Co Ltd:The | Air cleaning agent |
JPS58159755A (en) * | 1982-03-18 | 1983-09-22 | 松下電器産業株式会社 | Deodorizing apparatus |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6291225A (en) * | 1985-10-18 | 1987-04-25 | Nippon Chem Ind Co Ltd:The | Air-purifying agent |
JP2012030199A (en) * | 2010-08-03 | 2012-02-16 | Japan Pionics Co Ltd | Method for treating gas containing nitrogen oxide |
WO2013031415A1 (en) * | 2011-08-29 | 2013-03-07 | ニチアス株式会社 | Nitrogen dioxide adsorbent, nitrogen dioxide adsorption apparatus, and method for removing nitrogen dioxide |
JPWO2013031415A1 (en) * | 2011-08-29 | 2015-03-23 | ニチアス株式会社 | Nitrogen dioxide adsorbent, nitrogen dioxide adsorbing apparatus, and method for removing nitrogen dioxide |
WO2021033404A1 (en) * | 2019-08-22 | 2021-02-25 | 三浦工業株式会社 | Purification method for oils |
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