JP4855251B2 - 球状活性炭およびその製造方法 - Google Patents
球状活性炭およびその製造方法 Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 299
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000002245 particle Substances 0.000 claims description 74
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 60
- 239000003575 carbonaceous material Substances 0.000 claims description 45
- 239000002994 raw material Substances 0.000 claims description 34
- 238000001179 sorption measurement Methods 0.000 claims description 29
- 239000011230 binding agent Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 23
- 239000003245 coal Substances 0.000 claims description 18
- 230000004913 activation Effects 0.000 claims description 15
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 14
- 244000060011 Cocos nucifera Species 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 14
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 5
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- 238000000034 method Methods 0.000 description 30
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000003213 activating effect Effects 0.000 description 6
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- 239000010959 steel Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000007542 hardness measurement Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000005068 transpiration Effects 0.000 description 4
- 239000002802 bituminous coal Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000002612 dispersion medium Substances 0.000 description 3
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- 239000011295 pitch Substances 0.000 description 3
- -1 silver or iron Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000000996 additive effect Effects 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 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 2
- 239000003830 anthracite Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 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 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011301 petroleum pitch Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
- B01J20/28019—Spherical, ellipsoidal or cylindrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/336—Preparation characterised by gaseous activating agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/354—After-treatment
- C01B32/384—Granulation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
y=100×(1−0.8×a(0.3−x)) (I)
y=100×(1−c×a(b−x)) (II)
ここでa(b−x)の部分は測定時に破砕された結果篩を通過する大きさになった破片の割合を示す。bは篩の目開き(mm)であり、上記測定では目開き0.3mmのものを用いているのでb=0.3となる。x=bではa(b−x)=1に、xが充分大きければa(b−x)=0となるため、c=1.0であれば、上記した、測定対象の粒径分布がない場合にMS硬度が論理的に満たすべき条件を満たす。しかしながら、実際には活性炭には粒径分布があったり、篩の目開き以下でも目詰まりが起こり篩上に残る部分があったりするため平均粒径0.3mmの球状炭でもMS硬度はゼロにはならない。このような、理想的な関係からのずれを調整するのが式の係数cであり、同一の方法で製造された本発明の球状活性炭であって、xが0.5以上、20以下の範囲で種々の粒径を有するものを測定して粒径とMS硬度の関係を調べた結果から、経験的にc=0.8となったものである。
特許文献4(特公昭46−41210号公報)実施例の記載に準じて球状活性炭の製造を実施した。原料石炭として灰分3%の弱粘結炭を用い、水分2%まで乾燥した後、100メッシュ以下に粉砕した。得られた微粉炭に粘結材として別途調製したパルプ廃液を原料石炭に対して20重量%添加し、同時に二次的に水分を添加して水分20%に調整した。特許文献4の実施例においては水分12〜15%に調整しているが、この水分では混練しても球形に成形できなかった。これをよく練り合わせ、深江パウテック社製ハイスピードミキサーFS−G型(容量10リットル、直径400mm)を用いて35℃、回転数100rpmにて10分成形して平均粒径2.3mmの球状成形物を得た。得られた球状成形物を100℃で乾燥、360℃で改質、530℃で焼結し、炭化に適した炭材とした。得られた炭材をロータリーキルンで900℃で炭化し、さらに流動賦活炉で900℃、スチーム分圧40%の条件で2時間、水蒸気賦活した。得られた活性炭の平均粒径は1.8mmであった。
不融化の条件を250℃、2時間とし、賦活を流動賦活炉を用いて850℃、スチーム分圧40%の条件で2時間の条件で実施した点以外は実施例1と同様の方法で球状活性炭を製造した。球状活性炭の平均粒径は2.0mm、MS硬度は52.4%、ベンゼン吸着量は38.2%であった。x=2.0であるから100×(1−0.8×1.45(0.3−x))=57.5でありMS硬度はこの値を下回っている。また、この球状活性炭の充填比重は0.49g/ml、長径と短径の比は1〜1.5の範囲であった。
市販の球状活性炭として日本エンバイロケミカルズ製X−7000(商品名)、平均粒径1.6mmのものの物性を測定した。MS硬度は28.6%、x=1.6であるから100×(1−0.8×1.45(0.3−x))=50.7でありこの球状活性炭のMS硬度はこの値を下回っている。なお、Bz吸着量は31.6%であった。
特許文献3(特開平03−030834号公報)実施例の記載に準じて球状活性炭の製造を実施した。原料石炭として瀝青炭を用い、水分2%まで乾燥した後、100メッシュ以下に粉砕した。得られた微粉炭に粘結材として別途調製したパルプ廃液を原料瀝青炭100重量部に対して12重量部添加し、同時に水を8重量部添加して回分式捏和機にて混合し、原料炭素材混合物を得た。これにさらに水を添加しながら、深江パウテック社製ハイスピードミキサーFS−G型(容量10リットル、直径400mm)を用いて40℃、回転数100rpmにて10分成形して平均粒径2.0mmの球状成形物を得た。加えた水の量は合計で原料瀝青炭100重量部に対して25重量部であった。得られた球状成形物を100℃で乾燥し、ロータリーキルン(直径600mm)にて窒素ガス流通下、250℃から600℃まで3.5℃/分の速度で昇温し、炭化を行った。得られた炭化品をロータリーキルン(直径400mm)にて900℃で水蒸気賦活(スチーム分圧49%)した。得られた活性炭の平均粒径は1.7mmであった。
実施例1〜7、比較例1〜3の活性炭について粉化率を測定した。ここでいう粉化率は、予め乾燥させた球状活性炭1.0gを100ml共栓付三角フラスコに入れ、200rpmで3時間振とうし、その後、エタノールを25ml加え140rpm×30分振とうさせた後、直ちに懸濁液を取り650nmの吸光度を吸光度計にて測定し、これを予め作成した検量線によって懸濁液濃度に換算し、粉化率として表示したものである。上記粉化率は活性炭を自動車燃料蒸散防止装置(キャニスター)等で使用した場合の発塵性の指標となる。
Claims (6)
- 非溶融性固体炭素質材料及び炭化性バインダーを原料とする造粒後賦活して得られた球状活性炭であって、該炭化性バインダーがコールタール、ピッチ、熱可塑性フェノール樹脂の少なくとも1種からなり、該球状活性炭の平均粒径をx(mm)、MS硬度をy(%)としたとき、xが0.5以上20.0以下の範囲において、yが100×(1−0.8×1.45(0.3−x))以上である球状活性炭。
- 非溶融性固体炭素質材料がヤシ殻炭化物及び石炭から選ばれる少なくとも一つである請求項1記載の球状活性炭。
- 球状活性炭の平均粒径が0.5mm以上、5.0mm以下である請求項1又は2記載の球状活性炭。
- 球状活性炭のベンゼン吸着量が25%以上、65%以下である請求項1〜3いずれかに記載の球状活性炭。
- 球状活性炭が自動車燃料蒸散防止用活性炭である請求項1〜4いずれかに記載の球状活性炭。
- 非溶融性固体炭素質材料100重量部およびコールタール、ピッチ、熱可塑性フェノール樹脂の少なくとも1種からなる炭化性バインダー20〜60重量部を含む混合物を一旦ストランド状に押出し、カットした後転動造粒にて球形状に成形し、酸素濃度5〜22%雰囲気下400℃以下で不融化し、不活性ガス雰囲気下500〜800℃で炭化し、スチーム分圧10〜70%雰囲気下800〜1000℃で3時間以上賦活処理する請求項1〜5いずれかに記載の球状活性炭の製造方法。
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JP2006513689A JP4855251B2 (ja) | 2004-05-20 | 2005-05-16 | 球状活性炭およびその製造方法 |
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JP2004149920 | 2004-05-20 | ||
JP2004149920 | 2004-05-20 | ||
PCT/JP2005/008886 WO2005113435A1 (ja) | 2004-05-20 | 2005-05-16 | 球状活性炭およびその製造方法 |
JP2006513689A JP4855251B2 (ja) | 2004-05-20 | 2005-05-16 | 球状活性炭およびその製造方法 |
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US (1) | US20080063592A1 (ja) |
JP (1) | JP4855251B2 (ja) |
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Cited By (1)
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KR20140087399A (ko) * | 2012-12-28 | 2014-07-09 | 재단법인 포항산업과학연구원 | 활성탄 제조 방법 |
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WO2005098998A1 (ja) * | 2004-03-30 | 2005-10-20 | Kureha Corporation | 非水電解質二次電池用負極材料、その製造方法、負極および電池 |
WO2008044587A1 (fr) * | 2006-10-12 | 2008-04-17 | Cataler Corporation | Charbon actif et réservoir à charbon actif et filtre à air d'admission utilisant celui-ci |
KR101770549B1 (ko) * | 2009-08-06 | 2017-08-23 | 주식회사 쿠라레 | 활성탄 성형체 및 이를 사용한 정수기 |
CN101797396A (zh) * | 2010-04-30 | 2010-08-11 | 上海绿伞环保科技发展有限公司 | 一种功能性活性碳吸味剂 |
US10103540B2 (en) * | 2014-04-24 | 2018-10-16 | General Electric Company | Method and system for transient voltage suppression devices with active control |
CN104528713B (zh) * | 2014-11-22 | 2020-09-01 | 河南恒瑞源实业有限公司 | 一种利用杜仲制备活性炭的方法 |
JP6488142B2 (ja) * | 2015-02-10 | 2019-03-20 | 株式会社クラレ | 高性能アルデヒド除去用吸着材及びその製造方法 |
WO2018116947A1 (ja) * | 2016-12-21 | 2018-06-28 | 株式会社クレハ | 球状活性炭およびその製造方法 |
WO2018146080A2 (en) | 2017-02-08 | 2018-08-16 | National Electrical Carbon Products, Inc. | Carbon powders and methods of making same |
CN107344718B (zh) * | 2017-06-29 | 2023-07-25 | 安泰环境工程技术有限公司 | 一种连续式高温炭化活化一体装置及方法 |
KR102500113B1 (ko) | 2017-09-29 | 2023-02-16 | 인제비티 사우스 캐롤라이나, 엘엘씨 | 저배출, 고작용 용량의 흡착제 및 캐니스터 시스템 |
US11154838B2 (en) | 2017-09-29 | 2021-10-26 | Ingevity South Carolina, Llc | Low emissions, high working capacity adsorbent and canister system |
CN112238073A (zh) * | 2020-10-20 | 2021-01-19 | 南京众荣环保技术开发有限公司 | 一种活性炭原料活化处理加工系统 |
JP7546509B2 (ja) | 2021-03-30 | 2024-09-06 | 大阪ガスケミカル株式会社 | 造粒炭及びその製造方法、空気清浄機用フィルター、並びに空気清浄機 |
US20240024846A1 (en) * | 2022-07-25 | 2024-01-25 | Calgon Carbon Corporation | Surface-modified activated carbon for reduced backwashing frequency during particulate filtration |
CN118479460B (zh) * | 2024-07-10 | 2024-11-12 | 江苏浦士达环保科技股份有限公司 | 一种硅碳负极前驱体的制备方法 |
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- 2005-05-16 CN CN2005800161360A patent/CN1956919B/zh not_active Expired - Fee Related
- 2005-05-16 WO PCT/JP2005/008886 patent/WO2005113435A1/ja active Application Filing
- 2005-05-16 JP JP2006513689A patent/JP4855251B2/ja not_active Expired - Fee Related
- 2005-05-16 US US11/597,265 patent/US20080063592A1/en not_active Abandoned
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JP2004010434A (ja) * | 2002-06-07 | 2004-01-15 | Kuraray Chem Corp | 造粒炭及びその製造方法 |
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KR20140087399A (ko) * | 2012-12-28 | 2014-07-09 | 재단법인 포항산업과학연구원 | 활성탄 제조 방법 |
KR101874086B1 (ko) * | 2012-12-28 | 2018-08-02 | 재단법인 포항산업과학연구원 | 활성탄 제조 방법 |
Also Published As
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CN1956919B (zh) | 2011-08-03 |
US20080063592A1 (en) | 2008-03-13 |
JPWO2005113435A1 (ja) | 2008-03-27 |
WO2005113435A1 (ja) | 2005-12-01 |
CN1956919A (zh) | 2007-05-02 |
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