JP3090277B2 - Activated carbon molded body manufacturing method - Google Patents

Activated carbon molded body manufacturing method

Info

Publication number
JP3090277B2
JP3090277B2 JP03025295A JP2529591A JP3090277B2 JP 3090277 B2 JP3090277 B2 JP 3090277B2 JP 03025295 A JP03025295 A JP 03025295A JP 2529591 A JP2529591 A JP 2529591A JP 3090277 B2 JP3090277 B2 JP 3090277B2
Authority
JP
Japan
Prior art keywords
activated carbon
treatment
powder
binder
water
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.)
Expired - Fee Related
Application number
JP03025295A
Other languages
Japanese (ja)
Other versions
JPH04243543A (en
Inventor
健夫 恵藤
哲也 津島
栄治 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuraray Chemical Co Ltd
Original Assignee
Kuraray Chemical Co Ltd
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Publication date
Application filed by Kuraray Chemical Co Ltd filed Critical Kuraray Chemical Co Ltd
Priority to JP03025295A priority Critical patent/JP3090277B2/en
Publication of JPH04243543A publication Critical patent/JPH04243543A/en
Application granted granted Critical
Publication of JP3090277B2 publication Critical patent/JP3090277B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は活性炭成型体を使用した
水中の脱塩素方法及びその成型体の製法に関するもの
で、更に詳しく述べるならば活性炭のバインダーに使用
したポリオレフィン粉末の表面を酸化することによっ
て、成型体の親水性を高めた特徴を有するものである
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses an activated carbon molded body .
It relates preparation of dechlorination method and molded in water, using activated carbon of the binder Stated in more detail
By oxidizing the surface of the polyolefin powder
Thus, the molded article has the feature of enhancing the hydrophilicity .

【0002】[0002]

【従来の技術】本発明者等は特開平2-233140号公報にお
いて、吸着剤の表面をプラスチック粉末でコーティング
した後型枠に充填し、プラスチック粉末をバインダーと
して加熱し、加圧成型した吸着剤を開示している。これ
は従来吸着剤を成型するためバインダーに主として使用
されていた、エマルジョン或いはラテックスに較べてバ
インダーの必要量も少なく吸着容量の低下も僅かでま
た、成型物の機械的性質も優れている特徴が認められ
る。しかし、プラスチック粉末は通常ポリエチレンやポ
リプロピレンのように疎水性のものが多く、水溶液中で
使用する場合はバインダーが水を弾くため、吸着剤と水
溶液との接触が不充分となって吸着剤の機能が充分に発
揮されなかった。
BACKGROUND OF THE INVENTION The present inventors have in JP-A 2-23 31 40 discloses a surface of the adsorbent was filled into a mold after coating with plastic powder, plastic powder is heated as a binder, and compression molding An adsorbent is disclosed. This is mainly because the required amount of the binder is small, the adsorption capacity is slightly reduced, and the mechanical properties of the molded product are excellent compared to emulsion or latex, which has been mainly used as a binder for molding an adsorbent. Is recognized. However, plastic powders are usually hydrophobic, such as polyethylene and polypropylene, and when used in an aqueous solution, the binder repels water, resulting in insufficient contact between the adsorbent and the aqueous solution and the function of the adsorbent. Was not fully exhibited.

【0003】親水性のバインダーとして酢ビエマルジョ
ン系接着剤を使用する方法もあるが、バインダーの使用
量が増加し、吸着容量の低下が大きいのみならず、水溶
性のため徐々に水溶液中に溶出するので、飲料水等に使
用する場合は衛生上の問題もある。また成型物の強度も
小さいため実際に使用するためには解決せねばならぬ多
くの問題があった。
[0003] There is also a method using a vinyl acetate emulsion adhesive as a hydrophilic binder. However, the amount of the binder increases and not only the adsorption capacity is greatly reduced, but also it gradually elutes into the aqueous solution due to its water solubility. Therefore, when used for drinking water and the like, there is also a hygiene problem. Also, since the strength of the molded product is small, there are many problems that must be solved in order to actually use the molded product.

【0004】[0004]

【発明が解決しようとする課題】ポリオレフィン粉末を
バインダーとして成型した活性炭成型体は吸着容量の低
下も極めて少なく、機械的性質も優れている特徴も兼ね
備えているので、その疎水性を改善して水溶液中でも充
分その吸着性能を発揮出来る活性炭成型物を開発して提
供しようとするものである。
Activated carbon compacts formed by using polyolefin powder as a binder have very little reduction in adsorption capacity and also have excellent mechanical properties. Above all, it is intended to develop and provide an activated carbon molded product capable of sufficiently exhibiting its adsorption performance.

【0005】[0005]

【課題を解決するための手段】本発明者等は、ポリオレ
フィン粉末をバインダーとして成型した活性炭成型体
吸着容量の低下も極めて少なく、機械的性質も優れた成
型物が得られることに着目し、水溶液中で吸着剤が溶液
と充分に接触出来るようにするため、ポリオレフィン
末の表面を親水性にする方法について鋭意研究した結果
本発明に到達した。
Means for Solving the Problems The present inventors have Poriore
Focusing on the fact that the activated carbon molded body molded using fin powder as a binder has a very small decrease in adsorption capacity and a molded article with excellent mechanical properties can be obtained, so that the adsorbent can sufficiently contact the solution in an aqueous solution Therefore, as a result of intensive studies on a method for making the surface of polyolefin powder hydrophilic, the present invention has been achieved.

【0006】すなわち、活性炭または更に繊維状補強材
を加えた混合物に、プラズマ処理、またはオゾン処理、
或いは過酸化水素処理をした、中心粒子径が1〜100
μmのポリオレフィン粉末をバインダーとして成型し
た、活性炭成型体を使用することを特徴とする水中の脱
塩素方法である。また、ポリオレフィン粉末をバインダ
ーとして、活性炭または更に繊維状補強材を加えた混合
物を成型する工程において、ポリオレフィン粉末を活性
炭と混合する前、または活性炭と混合した状態で、或い
は活性炭と混合して加熱成型した後、プラズマ処理、ま
たはオゾン処理、或いは過酸化水素処理をすることを特
徴とする水中の脱塩素用活性炭成型体の製法も本発明に
含まれている
That is, activated carbon or further fibrous reinforcing materials
To the mixture added, plasma treatment, or ozone treatment,
Alternatively, the central particle diameter is 1 to 100 after hydrogen peroxide treatment.
μm polyolefin powder as binder
In addition, dewatering in water characterized by using an activated carbon molded body
Chlorine method. In addition, polyolefin powder is
-Mixing with activated carbon or additional fibrous reinforcement
Activates polyolefin powder in the molding process
Before mixing with charcoal or mixed with activated carbon,
After mixing with activated carbon and molding by heating, plasma treatment
Or ozone treatment or hydrogen peroxide treatment.
The production method of activated carbon molded body for dechlorination in water which is a feature of the present invention
Included .

【0007】本発明において使用する吸着剤は活性炭で
あり、活性炭には繊維活性炭も含まれる。以下、本発
明について詳しく説明する。
[0007] The adsorbent used in the present invention is activated carbon, the activated carbon is also included fiber-like activated carbon. Hereinafter, the present invention will be described in detail.

【0008】本発明の活性炭成型体は活性炭ポリオレ
フィン粉末の他、要すれば成型体の強度を高めるために
繊維状補強材を加えることが出来る。繊維状補強材には
種々の材質及び形状の繊維が使用出来るが、活性炭繊
、ポリエステル、ポリエチレン、ポリプロピレン、ナ
イロン、アルミニウム、ステンレス、ガラスの繊維で直
径0.1〜1mm、長さ1〜10mmの単繊維が好まし
い。特に、活性炭繊維は補強材として高い機能を有する
他吸着性を高めるためにもより好ましい
[0008] The activated carbon molded article of the present invention comprises activated carbon and polyole.
In addition to fin powder, if necessary, to increase the strength of the molded body
Fibrous reinforcement can be added. Various materials and shapes of the fiber can be used in the fibrous reinforcing material, activated carbon fiber
It is preferably a single fiber of fibers of fibers, fibers of polyester, polyethylene, polypropylene, nylon, aluminum, stainless steel and glass having a diameter of 0.1 to 1 mm and a length of 1 to 10 mm. In particular, activated carbon fiber has a high function as a reinforcing material
It is more preferable to increase the other adsorptivity .

【0009】[0009]

【0010】更に、補強材として金属やガラスの繊維を
使用する場合は、これらの材質は一般にポリオレフィン
との親和性が低いので、予めポリオレフィンでコーティ
ングしてから使用することが好ましい。
Furthermore, when using the fiber of the metal and glass as a reinforcing material, since these materials are generally less affinity with polyolefins <br/>, it is preferable to use from the previously coated with a polyolefin.

【0011】本発明においてバインダーとして使用する
ポリオレフィンは特に限定しないが、主として、ポリエ
チレンまたはポリプロピレンが使用れる。
[0011] polyolefin used as binders in the present invention is not particularly limited, primarily, polyethylene or polypropylene is used.

【0012】[0012]

【0013】ポリオレフィン粉末の粒子径は特に限定し
ないが、中心粒子径が1μm以下の場合には活性炭の表
面の相当な部分が被覆されるため吸着性能の低下が大き
く、また中心粒子径が100μmを越える場合は成型体
の強度低下が大きい。従って、プラスチック粉末の中心
粒子径は1〜100μmの範囲が特に好ましい。
Although the particle size of the polyolefin powder is not particularly limited, when the central particle size is 1 μm or less, a considerable portion of the surface of the activated carbon is covered, so that the adsorption performance is greatly reduced, and when the central particle size is 100 μm. If it exceeds, the strength of the molded body is greatly reduced. Therefore, the center particle diameter of the plastic powder is particularly preferably in the range of 1 to 100 μm.

【0014】次に本発明に使用するポリオレフィン粉末
は、プラズマ処理、またはオゾン処理或いは過酸化水
素処理をする必要がある。これらの処理はポリオレフィ
粉末の表面に親水性を付与するためになされるもので
ある。
Next, the polyolefin powder used in the present invention must be subjected to a plasma treatment, an ozone treatment , or a hydrogen peroxide treatment. These treatments are polyolefin
This is done to impart hydrophilicity to the surface of the powder.

【0015】プラズマ処理は例えば、放電管にポリオレ
フィン粉末を入れた後、酸素、窒素、空気、水蒸気等を
導入して圧力を0.01〜1.0Torrに保持し、周
波数2〜40MHzの高周波電圧をかけて管内に低温プ
ラズマを発生させ、ポリオレフィン粉末に照射すること
により、ポリオレフィン粉末の表面を親水性とすること
が出来る。
[0015] The plasma treatment, for example, Poriore the discharge tube
After putting the fin powder, oxygen, nitrogen, air, water vapor and the like are introduced to maintain the pressure at 0.01 to 1.0 Torr, and a high-frequency voltage of 2 to 40 MHz is applied to generate low-temperature plasma in the tube, by irradiating the polyolefin powder, the surface of the polyolefin powder can be hydrophilic.

【0016】オゾン処理は例えば、ポリオレフィン粉末
をオゾン濃度5〜1000ppm、温度20〜100℃
で1〜10分処理することにより、粒子の表面が酸化さ
れて親水性とすることができる
In the ozone treatment, for example, the polyolefin powder is treated with an ozone concentration of 5 to 1000 ppm and a temperature of 20 to 100 ° C.
In by treating 1-10 minutes, may be the surface of the particles to be oxidized hydrophilic.

【0017】酸化水素水で処理した場合にもオゾン処
理とほぼ同様な効果得られる。その他、硝酸や硫酸で
処理しても粒子に親水性を付与することが可能である。
これらの処理方法は何れもポリオレフィン粒子の表面に
親水性を付与する効果を有するが、その効果は若干異な
る点がある。従って、ポリオレフィンの種類、性状及び
使用目的に応じて処理方法を選択する必要がある。また
これらの複数の処理を併用してもよい。
[0017] substantially the same effect as the ozone treatment even when treated with hydrogen peroxide water is obtained. In addition, it is possible to impart hydrophilicity to the particles by treating with nitric acid or sulfuric acid.
Each of these treatment methods has an effect of imparting hydrophilicity to the surface of the polyolefin particles, but the effect is slightly different. Therefore, it is necessary to select a treatment method according to the type, properties and intended use of the polyolefin . Further, these plural processes may be used in combination.

【0018】活性炭成型体の親水性を高めるためには
バインダーとして水溶性のプラスチック、例えばポリビ
ニルアルコールまたはエチレン・ポリビニルアルコール
共重合体等を使用する方法も考えられる。しかし、長時
間水で使用すると次第に膨潤して部分的には水中に溶
解するため、飲料水の処理等に使用する場合は衛生上の
問題もあり好ましくない。成型体のバインダーとして、
粒子の表面のみに親水性を付与した疎水性のプラスチッ
ク粉末を使用することが、本発明の最も重要な要件の一
つである。
[0018] In order to increase the hydrophilic properties of activated carbon molded body,
Water-soluble plastics as binders, for example polyvinyl alcohol or ethylene polyvinyl alcohol
A method using a copolymer or the like is also conceivable. However, long since the partially gradually swell when used in water are dissolved in water, if used in drinking water treatment or the like is also a problem on sanitation is not preferable. As a binder for moldings,
One of the most important requirements of the present invention is to use a hydrophobic plastic powder having hydrophilicity only on the surface of the particles.

【0019】本発明の活性炭成型体は、活性炭及び要す
れば繊維状補強材を加えてポリオレフィン粉末混合
し、型枠に充填した後ポリオレフィン粒子の軟化温度以
上に加熱し、加圧成型することにより得られる。尚この
工程において、ポリオレフィン粒子は活性炭及び要すれ
繊維状補強材と混合する前、または混合した状態で、
或いは成型後上記で述べた方法により、プラズマ処理、
またはオゾン処理、或いは過酸化水素処理をする必要が
ある。一般に活性炭の表面はかなり疎水性が高いため、
これらの処理によりバンインダー粒子の表面のみならず
活性炭表面にも酸素原子を結合させることにより、成型
体の親水性を一層高めることができる
The activated carbon molded article of the present invention is prepared by adding activated carbon and, if necessary, a fibrous reinforcing material, mixing with a polyolefin powder, filling the mold, heating the mixture to a temperature higher than the softening temperature of the polyolefin particles, and press-molding. It can be obtained by: In this step, before mixing the polyolefin particles with the activated carbon and, if necessary, the fibrous reinforcing material, or in a mixed state,
Alternatively, after molding, plasma treatment,
Alternatively, it is necessary to perform ozone treatment or hydrogen peroxide treatment. Generally, the surface of activated carbon is quite hydrophobic,
By these treatments, not only the surface of the van binder particles but also
Molding by bonding oxygen atoms to the activated carbon surface
The hydrophilicity of the body can be further increased .

【0020】バインダーとして使用するポリオレフィン
粉末の表面は高い疎水性を有するため、このようなバイ
ンダーを含む活性炭成型体を水溶液の処理に使用する
と、バインダーが水を弾くため、活性炭と水溶液との接
触が不充分となり活性炭の機能が充分に発揮されない。
しかし、本発明の方法によって活性炭成型体表面の親
水性が高められるので、水または水溶液と充分に接触出
来るようにすることが出来る。
Since the surface of polyolefin powder used as a binder has high hydrophobicity, when an activated carbon molded body containing such a binder is used for treating an aqueous solution, the activated carbon and the aqueous solution are used because the binder repels water. Insufficient contact with activated carbon causes the function of activated carbon to not be fully exhibited.
However, the method of the present invention Accordingly, the hydrophilicity of the activated carbon molded body surface is high because, it is possible to allow sufficient contact with water or aqueous solutions.

【0021】従って、本発明の吸着剤成型体は飲料水の
脱塩素処理に極めて適しているが、その他、砂糖及び異
性化糖の脱色、酒、ウイスキー、焼酎等の精製脱色等に
使用した場合にも大きな効果がえられる。
Therefore, the adsorbent molded product of the present invention is extremely suitable for dechlorination of drinking water, but is also used for decolorization of sugar and isomerized sugar, purification and decolorization of sake, whiskey, shochu and the like. Also has a great effect.

【0022】[0022]

【実施例】以下、実施例を挙げて本発明を更に具体的に
説明する。
EXAMPLES Hereinafter, the present invention will be described more specifically with reference to examples.

【0023】(実施例1)中心粒子径20μm のポリエチ
レン粉末を、プラズマ処理により親水化した。プラズマ
の発生条件は周波数13.56MHzの放電管に、空気が圧力0.
5 Torr存在する状態で5分間処理した。
Example 1 A polyethylene powder having a center particle diameter of 20 μm was hydrophilized by plasma treatment. Plasma generation conditions are as follows: a discharge tube with a frequency of 13.56 MHz, air pressure of 0.
Processing was performed for 5 minutes in the presence of 5 Torr.

【0024】このポリエチレン粉末5重量部を、20〜40
メッシュの活性炭100 重量部に添加した後、寸法5×10
0 ×100 mmの型枠に充填し、120 ℃で0.2kg/cm2 の圧力
で成型し、冷却後、ベンゼン吸着能力及び親水性を測定
した。
5 parts by weight of this polyethylene powder is mixed with 20 to 40
After adding to 100 parts by weight of activated carbon on the mesh, the size is 5 × 10
The mixture was filled in a mold of 0 × 100 mm, molded at 120 ° C. under a pressure of 0.2 kg / cm 2 , and after cooling, the benzene adsorption capacity and hydrophilicity were measured.

【0025】その結果、ベンゼン吸着能力は35wt%、親
水性は10秒であった。
As a result, the benzene adsorption capacity was 35 wt%, and the hydrophilicity was 10 seconds.

【0026】ここで親水性とは、100cc のメスシリンダ
ーに常温の水を入れ、0.1gの試料を水面に散布し、試料
全部が底部に沈降するに要する時間を言う。沈降時間が
短い程親水性が高いことを示している。
Here, the term "hydrophilic" refers to the time required for normal temperature water to be poured into a 100 cc measuring cylinder, 0.1 g of a sample to be sprayed on the water surface, and for the whole sample to settle to the bottom. The shorter the settling time, the higher the hydrophilicity.

【0027】(比較例1)ポリエチレン粉末をプラズマ
処理せずに使用した他は、実施例1と同一の条件で成型
し、冷却後、ベンゼン吸着能力及び親水性を測定した。
Comparative Example 1 Molding was performed under the same conditions as in Example 1 except that the polyethylene powder was used without plasma treatment. After cooling, the benzene adsorption capacity and hydrophilicity were measured.

【0028】その結果、ベンゼン吸着能力は34.3wt%で
あったが、親水性の試験では24時間経過しても沈降しな
かった。
As a result, the benzene adsorption capacity was 34.3% by weight, but no sedimentation was observed even after 24 hours in the hydrophilicity test.

【0029】(実施例2)2重量部の中心粒子径30μm
のポリプロピレン粉末をオゾンで酸化処理して、比表面
積1500m2/gフェノール系繊維状活性炭100 重量部及び0.
5 部の直径0.3mm 、長さ3mm のポリエステル単繊維に添
加し、ミキサーでよく混合し、これを外径80mm、内径40
mm、長さ200mm の筒形の型枠に充填し、150 ℃で圧力0.
5kg/cm2 で加圧成型した。
(Example 2) 2 parts by weight of a central particle diameter of 30 μm
Oxidation treatment of polypropylene powder with ozone, specific surface area 1500 m 2 / g 100 parts by weight of phenolic fibrous activated carbon and 0.
Add 5 parts of 0.3mm diameter, 3mm length polyester monofilament and mix well with a mixer.
mm, 200 mm length, filled into a cylindrical formwork, at 150 ° C and pressure 0.
Pressure molding was performed at 5 kg / cm 2 .

【0030】この筒形成型体を使用して空間速度10hr-1
で砂糖液の脱色試験をしたところ、脱色力70%以上の処
理量が3m3 であった。
A space velocity of 10 hr -1 using this cylinder forming mold
When the decolorization test of the sugar solution was performed, the processing amount with a decoloration power of 70% or more was 3 m 3 .

【0031】(比較例2)ポリプロピレン粉末をオゾン
で酸化処理しないで使用した他は実施例2と同一の条件
で筒形成型体を成型した。
(Comparative Example 2) A cylinder forming body was molded under the same conditions as in Example 2 except that the polypropylene powder was used without being oxidized with ozone.

【0032】この成型体を使用して空間速度10hr-1で砂
糖液の脱色試験をしたところ、脱色力70%以上の処理量
は0.4m3 であった。
When a decolorization test of a sugar solution was performed using this molded body at a space velocity of 10 hr -1 , the processing amount with a decoloration power of 70% or more was 0.4 m 3 .

【0033】[0033]

【0034】[0034]

【0035】[0035]

【0036】[0036]

【0037】(実施例) 中心粒子径25μmのポリエチレン粉末をプラズマで親
水化処理した。プラズマの発生条件は周波数13.56
MHzの放電管に、窒素が圧力0.5Torr存在す
る状態で5分間処理した。
Example 3 A polyethylene powder having a central particle diameter of 25 μm was subjected to a hydrophilic treatment by plasma. The plasma generation condition was a frequency of 13.56.
The MHz discharge tube was treated for 5 minutes with nitrogen at a pressure of 0.5 Torr.

【0038】このポリエチレン粉末5重量部を粒度40〜
80メッシュの活性炭100 重量部に添着した後、外径80m
m、内径40mm、長さ200mm の筒形の型枠に充填し、150
℃で圧力0.5kg/cm2 で加圧成型した。
5 parts by weight of the polyethylene powder is used to obtain a particle size of 40 to
After immersion in 100 parts by weight of 80 mesh activated carbon, outer diameter 80m
m, inner diameter 40 mm, length 200 mm
Pressure molding was performed at 0.5 ° C. at a pressure of 0.5 kg / cm 2 .

【0039】この筒形成型体を日本浄水器協会の規格に
基づいて脱塩素能力をテストしたところ、処理能力は26
トンであった。
When the dechlorination capacity of this cylinder-formed body was tested based on the standards of the Japan Water Purifier Association, the processing capacity was 26.
Tons.

【0040】(比較例) 中心粒子径25μmのポリエチレン粉末5重量部をプラ
ズマ処理せずに、粒度40〜80メッシュの活性炭10
0重量部に添着した他は実施例と同一条件で筒形成型
体を成型した。
Comparative Example 3 5 parts by weight of a polyethylene powder having a center particle diameter of 25 μm was not subjected to plasma treatment, and activated carbon 10 having a particle size of 40 to 80 mesh was used.
A cylinder forming body was molded under the same conditions as in Example 3 except that it was attached to 0 parts by weight.

【0041】この筒形成型体を日本浄水器協会の規格に
基づいて脱塩素能力をテストしたところ、処理能力は8.
5 トンであった。
When the tubular formed body was tested for the dechlorination ability based on the standards of the Japan Water Purifier Association, the treatment capacity was 8.
5 tons.

【0042】(比較例) 中心粒子径が0.1μm(比較例4)及び200μm
(比較例5)のポリエチレン粒子を使用した他は実施例
1と同一の条件で吸着剤を成型した。
(Comparative Examples 4 and 5 ) The center particle diameter was 0.1 μm (Comparative Example 4) and 200 μm.
An adsorbent was molded under the same conditions as in Example 1 except that the polyethylene particles of (Comparative Example 5) were used.

【0043】中心粒子径が0.1 μmのポリエチレン粒子
を使用した吸着剤のベンゼン吸着能力は28重量%で親水
性は23秒であった。
The adsorbent using polyethylene particles having a center particle diameter of 0.1 μm had a benzene adsorption capacity of 28% by weight and a hydrophilicity of 23 seconds.

【0044】中心粒子径が200 μmのポリエチレン粒子
を使用した吸着剤のベンゼン吸着能力は34.8重量%で親
水性は8時間であった。
The adsorbent using polyethylene particles having a center particle diameter of 200 μm had a benzene adsorption capacity of 34.8% by weight and a hydrophilicity of 8 hours.

【0045】[0045]

【0046】[0046]

【発明の効果】本発明の活性炭成型体はポリオレフィン
粉末をバインダーに使用しているため、吸着能力の低下
が僅少で機械的性質も優れ更にポリオレフィン粉末の
表面の親水性が著しく高められている特徴がある
The activated carbon molded article of the present invention uses polyolefin powder as a binder, so that the decrease in adsorption capacity is slight, the mechanical properties are excellent , and the hydrophilicity of the surface of the polyolefin powder is remarkable. There are enhanced features .

【0047】従って、水または水溶液中で使用した場合
活性炭と溶液が充分に接触出来るため、飲料水の脱塩素
処理に極めて適しているが、その他、砂糖及び異性化糖
の脱色、酒、ウイスキー、焼酎等の精製脱色等に使用し
た場合にも大きな効果がられる。
Therefore, when used in water or aqueous solution
Activated carbon and solution can be sufficiently contacted, so it is extremely suitable for dechlorination of drinking water, but it is also great when used for decolorization of sugar and isomerized sugar, refined decolorization of sake, whiskey, shochu, etc. The effect is obtained .

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平2−208215(JP,A) 特開 平2−233140(JP,A) 特開 昭54−83989(JP,A) 特開 昭57−35986(JP,A) 特表 昭61−502133(JP,A) (58)調査した分野(Int.Cl.7,DB名) B01J 20/30 B01D 15/00 B01J 20/26 C02F 1/28 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-208215 (JP, A) JP-A-2-233140 (JP, A) JP-A-54-83989 (JP, A) JP-A-57- 35986 (JP, A) Special Table 61-502133 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) B01J 20/30 B01D 15/00 B01J 20/26 C02F 1/28

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 活性炭または活性炭と繊維状補強材と
混合物に、バインダーとしてプラズマ処理、オゾン処
理、或いは過酸化水素処理の中、いずれかの処理を施し
、中心粒子径が1〜100 μm のポリオレフィン粒子を
加えて成型し、得られた活性炭成型体を使用することを
特徴とする水中の脱塩素方法。
An activated carbon or a mixture of activated carbon and a fibrous reinforcing material .
The mixture is subjected to any of plasma treatment, ozone treatment, or hydrogen peroxide treatment as a binder.
In addition , polyolefin particles with a center particle diameter of 1 to 100 μm
In addition, a method for dechlorination in water, characterized by using an activated carbon molded product obtained by molding.
【請求項2】 ポリオレフィン粉末をバインダーとし
て、活性炭または更に繊維状補強材を成型する工程にお
いて、ポリオレフィン粉末を活性炭と混合する前、また
は活性炭と混合した状態で、或いは活性炭と混合して加
熱成型した後、プラズマ処理、またはオゾン処理、或い
は過酸化水素処理をすることを特徴とする水中の脱塩素
用活性炭成型体の製法。
2. In the step of molding activated carbon or further a fibrous reinforcing material using polyolefin powder as a binder, the polyolefin powder is heat-molded before being mixed with activated carbon, in a state mixed with activated carbon, or mixed with activated carbon. After that, a method for producing an activated carbon molded body for dechlorination in water, which comprises performing a plasma treatment, an ozone treatment, or a hydrogen peroxide treatment.
JP03025295A 1991-01-25 1991-01-25 Activated carbon molded body manufacturing method Expired - Fee Related JP3090277B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP03025295A JP3090277B2 (en) 1991-01-25 1991-01-25 Activated carbon molded body manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03025295A JP3090277B2 (en) 1991-01-25 1991-01-25 Activated carbon molded body manufacturing method

Publications (2)

Publication Number Publication Date
JPH04243543A JPH04243543A (en) 1992-08-31
JP3090277B2 true JP3090277B2 (en) 2000-09-18

Family

ID=12162032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP03025295A Expired - Fee Related JP3090277B2 (en) 1991-01-25 1991-01-25 Activated carbon molded body manufacturing method

Country Status (1)

Country Link
JP (1) JP3090277B2 (en)

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