JPH03193616A - Activated carbon by high strength molding - Google Patents
Activated carbon by high strength moldingInfo
- Publication number
- JPH03193616A JPH03193616A JP1329092A JP32909289A JPH03193616A JP H03193616 A JPH03193616 A JP H03193616A JP 1329092 A JP1329092 A JP 1329092A JP 32909289 A JP32909289 A JP 32909289A JP H03193616 A JPH03193616 A JP H03193616A
- Authority
- JP
- Japan
- Prior art keywords
- activated carbon
- bentonite
- granulated
- weight
- parts
- 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 238000000465 moulding Methods 0.000 title abstract description 8
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 17
- 239000000440 bentonite Substances 0.000 claims abstract description 17
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004927 clay Substances 0.000 claims abstract description 12
- -1 coal Chemical compound 0.000 claims abstract description 8
- 238000004898 kneading Methods 0.000 claims abstract description 4
- 238000010304 firing Methods 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 150000003018 phosphorus compounds Chemical class 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 18
- 229940092782 bentonite Drugs 0.000 abstract description 15
- 235000011007 phosphoric acid Nutrition 0.000 abstract description 9
- 239000003610 charcoal Substances 0.000 abstract description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 7
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000280 sodium bentonite Inorganic materials 0.000 abstract description 4
- 229940080314 sodium bentonite Drugs 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 235000013162 Cocos nucifera Nutrition 0.000 abstract description 2
- 244000060011 Cocos nucifera Species 0.000 abstract description 2
- 229910000281 calcium bentonite Inorganic materials 0.000 abstract description 2
- 229920005610 lignin Polymers 0.000 abstract description 2
- PGYDGBCATBINCB-UHFFFAOYSA-N 4-diethoxyphosphoryl-n,n-dimethylaniline Chemical compound CCOP(=O)(OCC)C1=CC=C(N(C)C)C=C1 PGYDGBCATBINCB-UHFFFAOYSA-N 0.000 abstract 1
- 239000006009 Calcium phosphide Substances 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- 241001561902 Chaetodon citrinellus Species 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229940062672 calcium dihydrogen phosphate Drugs 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229960001714 calcium phosphate Drugs 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は粉粒状活性炭をベントナイト白土と水で成型し
てなる成型活性炭及びその製造方法に関するもので、よ
り詳しくは強度、例えば圧壊強度、耐摩耗強度等を向上
させた成型活性炭及びその製造方法に関するものである
。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a molded activated carbon formed by molding powdery activated carbon with bentonite clay and water, and a method for producing the same. This invention relates to molded activated carbon with improved abrasion strength, etc., and a method for producing the same.
この発明による成型活性炭は、特に種々のプロセスに於
ける吸着や担体としての利用に適している。The shaped activated carbon according to the present invention is particularly suitable for adsorption in various processes and for use as a carrier.
［従来の技術］
粒状活性炭や成型活性炭は、通常、気体や液体の処理に
使用されるが、この際、活性炭は高い吸着能と十分な機
械的強度が要求される。また、容量ベースでの吸着能を
高めるために嵩密度を高める事が必要である。[Prior Art] Granular activated carbon and molded activated carbon are usually used to treat gases and liquids, but in this case activated carbon is required to have high adsorption capacity and sufficient mechanical strength. Furthermore, it is necessary to increase the bulk density in order to increase the adsorption capacity on a capacity basis.
これまでの技術では、成型後に、賦活活性化によって、
高い吸着能を得ようとすると、機械的強度や密度が小さ
くなってしまい、吸着能は強度、密度の面から制約を受
ける。With conventional technology, after molding, through activation,
When trying to obtain high adsorption capacity, the mechanical strength and density decrease, and adsorption capacity is limited by strength and density.
また、賦活活性化後に、有機系バインダーで成型する方
法（特公昭５６−３７１６４号公報、特公昭５５−４３
４０２号公報、特公昭５２−１３５１７号公報）や無機
系バインダーで成型する方法（特公昭４５−１２５６５
号公報、特開昭６３−２４２３４３号公報）について開
示されている。In addition, a method of molding with an organic binder after activation (Japanese Patent Publication No. 56-37164, Japanese Patent Publication No. 55-43)
402, Japanese Patent Publication No. 52-13517) and a method of molding with an inorganic binder (Japanese Patent Publication No. 45-12565).
(Japanese Patent Application Laid-open No. 63-242343).
［発明が解決しようとする課題］
しかしながら前者は、耐熱性が十分でなく、十分な密度
が得られにくく、後者では、強度の点で未だ不十分であ
る。[Problems to be Solved by the Invention] However, the former does not have sufficient heat resistance and is difficult to obtain sufficient density, and the latter is still insufficient in terms of strength.
［課題を解決するだめの手段］
そこで本発明者等は、かかる課題を解決すべく鋭意検討
した結果、粉粒状活性炭をベントナイト白土と水で混練
する際、特定の化合物を添加することによって、従来よ
り高強度の成型活性炭が得られることを見い出し、本発
明に到達した。[Means to Solve the Problem] As a result of intensive studies to solve the problem, the inventors of the present invention have found that when kneading powdery activated carbon with bentonite clay and water, by adding a specific compound, It was discovered that molded activated carbon with higher strength can be obtained, and the present invention was achieved.
すなわち、本発明の目的は、圧壊強度、耐摩耗強度等の
強度が著しく向上した成型活性炭及びその製造方法を提
供するものである。That is, an object of the present invention is to provide a molded activated carbon with significantly improved strengths such as crushing strength and abrasion resistance, and a method for producing the same.
そして、その目的は、粉粒状活性炭、ベントナイト白土
及びリン化合物を混線、造粒並びに焼成してなる成型活
性炭であって、該混合物中のベントナイト白土が、粉粒
状活性炭１００重量部に対して、５〜７５重量部であり
、リン化合物が１〜３５重量部であり、かつ、４００〜
１０００℃で焼成することによって容易に達成される。The object is a shaped activated carbon obtained by mixing, granulating, and firing powdery activated carbon, bentonite clay, and a phosphorus compound, in which the bentonite clay in the mixture is 5 parts by weight based on 100 parts by weight of powdery activated carbon. ~75 parts by weight, the phosphorus compound is 1 to 35 parts by weight, and 400 to
This can be easily achieved by firing at 1000°C.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
本発明に適用される粉粒状活性炭には、石炭系、ヤシガ
ラ系、木質系、リグニン系等の種々の活性炭を使用する
ことが出来る。Various activated carbons such as coal-based, coconut shell-based, wood-based, and lignin-based activated carbon can be used as the powdery activated carbon applied to the present invention.
かかる粉粒状活性炭の粒度は０．５ ｍｍ以下で、好ま
しくは、２００メツシュ篩下９０％程度が望ましい。The particle size of such powdery activated carbon is 0.5 mm or less, preferably about 90% under a 200 mesh sieve.
まず、粉粒状活性炭と、この活性炭に対して５〜７５重
量部のベントナイト白土、好ましくは１５〜３０重量部
のベントナイト白土を混合する。ベントナイト白土とし
ては、ナトリウムベントナイト、カルシウムベントナイ
ト、好ましくはナトリウムベントナイトが良い。First, granular activated carbon is mixed with 5 to 75 parts by weight of bentonite clay, preferably 15 to 30 parts by weight of bentonite clay based on the activated carbon. As the bentonite clay, sodium bentonite, calcium bentonite, preferably sodium bentonite is preferred.
次いで、活性炭１００重量部に対して１〜３５重量部、
好ましくは３〜１０重量部のリン化合物を５０〜２５０
重量部の水に溶解させ添加する。Then, 1 to 35 parts by weight per 100 parts by weight of activated carbon,
Preferably 3 to 10 parts by weight of phosphorus compound to 50 to 250 parts by weight
Dissolve in part by weight of water and add.
リン化合物としては、リン酸（オルトリン酸、縮合リン
酸）、リン酸ナトリウム、リン酸カルシウム、トリポリ
リン酸ナトリウム等が望ましい。この様にして得られた
原料を常温で、ニーダ−等の捏合機を用いて、混線物が
可塑性を生じ、手で握れる状態となるまで混練する。As the phosphorus compound, phosphoric acid (orthophosphoric acid, condensed phosphoric acid), sodium phosphate, calcium phosphate, sodium tripolyphosphate, etc. are preferable. The raw materials thus obtained are kneaded at room temperature using a kneading machine such as a kneader until the mixture becomes plastic and can be held by hand.
次に、混線物を押出、プレス等適当な成型機によって成
型し、造粒炭を得る。Next, the mixed wire material is molded using a suitable molding machine such as extrusion or press to obtain granulated coal.
好ましくは、押出造粒により造粒炭を製造し、必要に応
じこの造粒炭を適当な破砕機を用いて破砕し、整粒後、
所望の粒度範囲の造粒造粒炭としても良い。Preferably, granulated charcoal is produced by extrusion granulation, and if necessary, this granulated charcoal is crushed using a suitable crusher, and after sizing,
It may be granulated charcoal having a desired particle size range.
続いて、これらの造粒炭又は造粒破砕炭を酵素を含まな
いガス雰囲気７４００〜１０００℃１好ましくは６００
〜７００℃で焼成して、目的の成型活性炭とする。Subsequently, these granulated charcoal or granulated crushed charcoal are heated in an enzyme-free gas atmosphere at 7400 to 1000°C, preferably 600°C.
It is fired at ~700°C to obtain the desired shaped activated carbon.
この様にして得られた、成型活性炭は、リン化合物を添
加しなかった成型活性炭に比べ、強度が大巾に向上する
。The molded activated carbon thus obtained has significantly improved strength compared to molded activated carbon to which no phosphorus compound is added.
なお、このベントナイトは、粒径が１〜１００ミクロン
であるため活性炭の気体や液体の吸着に関連する３００
Å以下の細孔には入らず、細孔をつぶさずに高吸着能の
ものが得られる。In addition, this bentonite has a particle size of 1 to 100 microns, so it has a particle size of 300 microns, which is related to the adsorption of gases and liquids on activated carbon.
It does not enter pores smaller than Å, and high adsorption capacity can be obtained without crushing the pores.
［実施例］
次に、本発明を実施例により更に具体的に説明するがそ
の要旨をこえない限り以下の実施例に限定されるもので
はない。[Examples] Next, the present invention will be explained in more detail with reference to Examples, but the present invention is not limited to the following Examples unless the gist thereof is exceeded.
なお、強度の指標として造粒活性炭については、圧壊強
度造粒破砕活性炭については、振動粉化率の値を測定し
た。As an index of strength, for the granulated activated carbon, the value of the crushing strength and the vibration pulverization rate was measured for the granulated and crushed activated carbon.
また、吸着性能の指標として、比表面積の値を測定した
。In addition, the value of specific surface area was measured as an index of adsorption performance.
その他、嵩密度を測定した。In addition, bulk density was measured.
圧壊強度、振動粉化率、比表面積、嵩密度は下記の測定
方法により求めた。The crushing strength, vibration pulverization rate, specific surface area, and bulk density were determined by the following measurement methods.
［圧壊強度Ｊ
本屋式硬度計を使用して造粒活性炭が、圧壊した時の値
（ｋｇ）を圧壊強度とした。[Crushing Strength J The value (kg) when the granulated activated carbon was crushed using a Honya type hardness tester was defined as the crushing strength.
［振動粉化率１
容積４６ ｃｃのプラスチック共栓付ガラスビンに試料
５ｇを入れペイントコンディショナー（レッドデビル製
）に配置し、１５分間振動させる。次で試料を６０メツ
シユの篩で篩分して発生微粉量を測定し、供試試料に対
する６０メツシユ下の微粉量の重量％を粉化率とする。[Vibration powdering rate 1] 5 g of sample was placed in a 46 cc glass bottle with a plastic stopper, placed in a paint conditioner (manufactured by Red Devil), and vibrated for 15 minutes. Next, the sample is sieved through a 60-mesh sieve to measure the amount of fine powder generated, and the pulverization rate is defined as the weight percent of the amount of fine powder below 60 mesh with respect to the test sample.
［比表面積］
液体窒素温度下において窒素の吸着等混線を求め、ＢＥ
Ｔ式を適用して比表面積を算出する。[Specific surface area] Determine the crosstalk such as nitrogen adsorption under liquid nitrogen temperature, and calculate BE
Calculate the specific surface area by applying the T formula.
［嵩密度１
造粒活性炭は２００ ｃｃメスシリンダー、造粒破砕炭
は１００ ｃｃメスシリンダー上に漏斗を置き、その上
から試料を少量づつ落下させて測定した。[Bulk Density 1] A funnel was placed on a 200 cc graduated cylinder for granulated activated carbon and a 100 cc graduated cylinder for granulated crushed carbon, and the sample was dropped onto the funnel in small amounts for measurement.
実施例１
石炭系粒状活性炭をサンプルミルを使用して６０メツシ
ュ篩全通、２００メツシユ篩下が９０％となる様粉砕し
た。Example 1 Coal-based granular activated carbon was ground using a sample mill so that 90% of the powder passed through a 60-mesh sieve and 90% passed through a 200-mesh sieve.
この粉末活性炭１００重量部とベントナイト（Ｗｅｓｔ
ｅｒｎ 、Ｂｅｎｔｏｎｉｔｅ ） ２５重量部をニー
ダ−（回転数３５ ｒｐｍ ）で１０分間混合した後、
水１００重量部とリン酸３重量部又は６重量部又は１２
重量部を均一混合した水溶液を添加し、さらに６０分間
混練した。100 parts by weight of this powdered activated carbon and bentonite (West
ern, Bentonite) for 10 minutes in a kneader (rotation speed: 35 rpm),
100 parts by weight of water and 3 parts by weight or 6 parts by weight or 12 parts by weight of phosphoric acid
An aqueous solution in which parts by weight were uniformly mixed was added, and the mixture was further kneaded for 60 minutes.
得られた混線物をディスクペレッターを用いて直径４．
５ ｍｍ、長さ６ｍｍ程度の円柱型に成型した。The obtained mixed wire was cut into diameter 4.0 mm using a disk pelleter.
It was molded into a cylindrical shape with a diameter of about 5 mm and a length of about 6 mm.
この造粒炭の半分はブラウンミルを用いて破砕し、整粒
後０．５９〜２．３８ ｍｍの造粒破砕炭とした。Half of this granulated coal was crushed using a brown mill, and after granulation, it was made into granulated crushed coal of 0.59 to 2.38 mm.
この造粒炭及び造粒破砕炭を一旦１１５℃の熱風乾燥機
中で乾燥した。次いでロータリーキルンを使用して、窒
素ガスを１１ ／ ｍｉｎ通気し、８℃／ ｍｉｎの昇
温速度で２００℃から所定の焼成温度まで焼成した。The granulated charcoal and granulated crushed charcoal were once dried in a hot air dryer at 115°C. Then, using a rotary kiln, nitrogen gas was bubbled through at 11/min, and the material was fired from 200 °C to a predetermined firing temperature at a temperature increase rate of 8 °C/min.
焼成後の造粒活性炭については、嵩密度、圧壊強度を測
定し、その結果を［表−１］に示す。The granulated activated carbon after firing was measured for bulk density and crushing strength, and the results are shown in [Table 1].
焼成後の造粒破砕活性炭については、嵩密度、振動粉化
率比表面積を測定し、その結果を［表−２］に示す。For the granulated and crushed activated carbon after firing, the bulk density and vibration pulverization rate specific surface area were measured, and the results are shown in [Table 2].
なお、比較のために、リン酸を添加しない場合として、
リン酸添加を行なわない以外は、実施例１と同一条件に
て、造粒活性炭及び造粒破砕活性炭を製造し、そのその
結果を［表−１］、［表−２１に併記する。For comparison, if phosphoric acid is not added,
Granulated activated carbon and granulated crushed activated carbon were produced under the same conditions as in Example 1, except that phosphoric acid was not added, and the results are also shown in [Table 1] and [Table 21].
［表−１］
［表−２］
実施例２
実施例１とは異なる石炭系粒状活性炭をサンプルミルを
使用して６０メツシュ篩全通、２００メツシユ篩下が９
０％となる様粉砕した。[Table-1] [Table-2] Example 2 Using a sample mill, coal-based granular activated carbon different from that in Example 1 was passed through a 60-mesh sieve and 9 through a 200-mesh sieve.
It was ground to 0%.
この粉末活性炭１００重量部とベントナイト（Ｗｅｓｔ
ｅｒｎ −Ｂｅｎｔｏｎｉｔｅ ） ２５重量部をニー
ダ−（回転数３５ ｒｐｍ ）で１０分間混合した後、
水７５重量部とトリポリリン酸ナトリウム８重量部を均
一混合した水溶液を添加し、さらに６０分間混練した。100 parts by weight of this powdered activated carbon and bentonite (West
After mixing 25 parts by weight of Bentonite in a kneader (rotation speed: 35 rpm) for 10 minutes,
An aqueous solution in which 75 parts by weight of water and 8 parts by weight of sodium tripolyphosphate were uniformly mixed was added and kneaded for an additional 60 minutes.
これとは別に水７５重量部とリン酸二水素カルシウム８
重量部を混合した水溶液を添加したもの・についても混
練した。Separately, 75 parts by weight of water and 8 parts of calcium dihydrogen phosphate
A mixture containing an aqueous solution containing parts by weight was also kneaded.
得られた混線物を実施例１と同様の条件にて造粒、破砕
焼成して、造粒活性炭及び造粒破砕活性炭を製造した。The obtained mixed wire material was granulated, crushed and fired under the same conditions as in Example 1 to produce granulated activated carbon and granulated crushed activated carbon.
焼成後の造粒活性炭については、嵩密度、圧壊強度を測
定し、その結果を［表−３］に示す。The granulated activated carbon after firing was measured for bulk density and crushing strength, and the results are shown in [Table 3].
焼成後の造粒破砕活性炭については、嵩密度、振動粉化
率、比表面積を測定し、その結果を［表−４］に示す。The bulk density, vibration pulverization rate, and specific surface area of the granulated and crushed activated carbon after firing were measured, and the results are shown in [Table 4].
なお、比較のために、リン化合物を添加しない場合とし
て、リン化合物添加を行なわない以外は、実施例２と同
一条件にて造粒活性炭及び造粒破砕活性炭を製造し、そ
の結果を［表−３１，［表−４１に併記する。For comparison, granulated activated carbon and granulated crushed activated carbon were produced under the same conditions as in Example 2, except that no phosphorus compound was added, and the results are shown in [Table- 31, [Also listed in Table-41.
［表−３１ ［表−４１ ［発明の効果］ 本発明により圧壊強度、 耐摩耗強度等の強度が 著しく向上した成型活性炭を得ることができる。[Table-31 [Table-41 [Effect of the invention] According to the present invention, crushing strength, Strength such as wear resistance Significantly improved shaped activated carbon can be obtained.
Claims (1)
を混練造粒並びに焼成してなる成型活性炭であって、該
混合物中のベントナイト白土が粉粒状活性炭１００重量
部に対して５〜７５重量部であり、リン化合物が１〜３
５重量部であり、かつ４００〜１０００℃で焼成してな
ることを特徴とする成型活性炭。(1) Molded activated carbon obtained by kneading, granulating, and firing powdery activated carbon, bentonite clay, and a phosphorus compound, wherein the bentonite clay in the mixture is 5 to 75 parts by weight based on 100 parts by weight of powdery and granular activated carbon. , 1 to 3 phosphorus compounds
5 parts by weight, and is fired at 400 to 1000°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1329092A JP2881875B2 (en) | 1989-12-19 | 1989-12-19 | High strength molded activated carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1329092A JP2881875B2 (en) | 1989-12-19 | 1989-12-19 | High strength molded activated carbon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03193616A true JPH03193616A (en) | 1991-08-23 |
| JP2881875B2 JP2881875B2 (en) | 1999-04-12 |
Family
ID=18217523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1329092A Expired - Lifetime JP2881875B2 (en) | 1989-12-19 | 1989-12-19 | High strength molded activated carbon |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2881875B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173800A (en) * | 1994-12-26 | 1996-07-09 | Noritake Co Ltd | Adsorption material and manufacture thereof |
| US5972525A (en) * | 1996-06-20 | 1999-10-26 | Jgc Corporation | Solid particle containing active carbon, support and catalyst |
| US6599856B1 (en) * | 1999-10-21 | 2003-07-29 | Tennex Corporation | Formed activated carbon and process for producing the same |
| KR100895867B1 (en) * | 2007-11-28 | 2009-04-30 | (주)동화라이징 | Method for preparing of porous sintered bodies |
| CN110255554A (en) * | 2019-06-14 | 2019-09-20 | 尹金彦 | A kind of novel desulphurization denitration activity charcoal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100526126B1 (en) * | 2001-12-21 | 2005-11-08 | 주식회사 포스코 | Formed coal having superior initial strength |
-
1989
- 1989-12-19 JP JP1329092A patent/JP2881875B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173800A (en) * | 1994-12-26 | 1996-07-09 | Noritake Co Ltd | Adsorption material and manufacture thereof |
| US5972525A (en) * | 1996-06-20 | 1999-10-26 | Jgc Corporation | Solid particle containing active carbon, support and catalyst |
| US6599856B1 (en) * | 1999-10-21 | 2003-07-29 | Tennex Corporation | Formed activated carbon and process for producing the same |
| KR100895867B1 (en) * | 2007-11-28 | 2009-04-30 | (주)동화라이징 | Method for preparing of porous sintered bodies |
| CN110255554A (en) * | 2019-06-14 | 2019-09-20 | 尹金彦 | A kind of novel desulphurization denitration activity charcoal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2881875B2 (en) | 1999-04-12 |
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