JP2014502208A - 酸化亜鉛を含有する濾材及びその形成方法 - Google Patents
酸化亜鉛を含有する濾材及びその形成方法 Download PDFInfo
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- JP2014502208A JP2014502208A JP2013537699A JP2013537699A JP2014502208A JP 2014502208 A JP2014502208 A JP 2014502208A JP 2013537699 A JP2013537699 A JP 2013537699A JP 2013537699 A JP2013537699 A JP 2013537699A JP 2014502208 A JP2014502208 A JP 2014502208A
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- Prior art keywords
- substrate
- impregnation solution
- filter
- zinc oxide
- activated carbon
- Prior art date
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 47
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 170
- 239000002245 particle Substances 0.000 claims abstract description 52
- 239000010419 fine particle Substances 0.000 claims abstract description 9
- 238000005470 impregnation Methods 0.000 claims description 102
- 239000000758 substrate Substances 0.000 claims description 89
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 50
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical group C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 14
- 229910017604 nitric acid Inorganic materials 0.000 claims description 14
- 150000001412 amines Chemical class 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 7
- 239000000356 contaminant Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000000241 respiratory effect Effects 0.000 claims description 3
- 150000003751 zinc Chemical class 0.000 claims description 3
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 2
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 2
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 claims description 2
- 239000004246 zinc acetate Substances 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 115
- 229910052799 carbon Inorganic materials 0.000 description 50
- 239000000203 mixture Substances 0.000 description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- 239000007789 gas Substances 0.000 description 31
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 30
- 239000011701 zinc Substances 0.000 description 30
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 26
- 239000003570 air Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 24
- -1 tungsten anions Chemical class 0.000 description 24
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- 150000003839 salts Chemical class 0.000 description 22
- 238000012360 testing method Methods 0.000 description 21
- 238000001914 filtration Methods 0.000 description 19
- 239000012153 distilled water Substances 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 17
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- 239000004743 Polypropylene Substances 0.000 description 16
- 229920001155 polypropylene Polymers 0.000 description 16
- 239000000126 substance Substances 0.000 description 14
- 229910021529 ammonia Inorganic materials 0.000 description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
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- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
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- 230000001143 conditioned effect Effects 0.000 description 5
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- 239000011733 molybdenum Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
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- 150000001768 cations Chemical class 0.000 description 4
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241001168730 Simo Species 0.000 description 2
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
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- 150000001875 compounds Chemical class 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 230000007423 decrease 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
- 230000000694 effects Effects 0.000 description 2
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- 239000008187 granular material Substances 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229940102396 methyl bromide Drugs 0.000 description 2
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 2
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- 230000001590 oxidative effect Effects 0.000 description 2
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical class [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 2
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- 229910003208 (NH4)6Mo7O24·4H2O Inorganic materials 0.000 description 1
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D39/14—Other self-supporting filtering material ; Other filtering material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B19/00—Cartridges with absorbing substances for respiratory apparatus
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
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- A62B23/02—Filters for breathing-protection purposes for respirators
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D9/00—Composition of chemical substances for use in breathing apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0225—Compounds of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt
- B01J20/0229—Compounds of Fe
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Abstract
【選択図】図2
Description
L=Kλ/[B cos(θ)]である。
HNO3を含有する溶液を、Sigma−Aldrich,St.Louis,MO,USAから購入した70%濃縮試薬用HNO3を蒸留水で希釈することにより調製した。
調製された溶液を水に溶解し、所望の濃度を得た。単一工程プロセスにおいて、全ての溶液を一緒に混合し、次いで、活性炭を含浸させるために使用した。次いで、活性炭を、その浸染限界に達するのに十分な食塩水で含浸させた。これにより、顆粒が密着し始めた。食塩水で浸染後、炭素を記載された温度(複数可)で乾燥した。
全般:
活性炭基材を「そのまま」で試験するか、又はアルゴン下で高温で乾燥するか、又は約85%の相対湿度(RH)環境を生じる塩スラリーを含有するチャンバ中の恒量を加湿するかのいずれかによって試験される前に、事前調整した。塩スラリーは、100ミリリットル(mL)の脱イオン(DI)水中に500グラム(g)のKBrを含んでいた。「乾燥」のラベルを付けたサンプルを恒量に乾燥させ、次いでRH 15%未満のチャレンジガス流を用いて試験した。チャレンジガスは、SO2、NH3、HCN、又はC6H12を含む空気であった。「湿潤」のラベルを付けたサンプルを恒量に加湿し、次いでRH 80%チャレンジガス流を用いて試験した。
体積が0.75gのKuraray GCに等しい、所与の実施例に従って調製された含浸炭素の小さなサンプルを計り分け、図3に示される構造を有する管試験装置に移動させた。肉眼で著しい体積減少が観察されなくなるまで、炭素を「軽く打ち」つけた。次いで、管中の炭素サンプルを、1000百万分率(ppm)の二酸化硫黄(SO2)を含有する200mL/分の調整空気(<15% RH又は80% RH)の試験流に曝露した。活性炭サンプルの下流の空気を、100mLの洗浄液(蒸留水及び約0.5gのKCl若しくはNaClからなる)に吹き込んだ。洗浄液のpHを、SO2突破用pH電極を用いてモニタした。突破時間は、36ppm SO2の濃度が炭素サンプルの下流で観察された時間として定義された。
体積が0.75gのKuraray GCに等しい、所与の実施例に従って調製された含浸炭素の小さなサンプルを計り分け、図3に示される管試験装置に移動した。肉眼で著しい体積減少が観察されなくなるまで、炭素を「軽く打ち」つけた。次いで、管中の炭素サンプルを、1000ppmのアンモニア(NH3)を含有する200mL/分の調整空気(<15% RH又は80% RH)の試験流に曝露した。炭素サンプルの下流の空気を100mLの洗浄液(蒸留水及び約0.5gのKCl若しくはNaClからなる)に吹き込んだ。洗浄液のpHを、NH3突破用pH電極を用いてモニタした。突破時間は、36ppm濃度が炭素サンプルの下流で観察された時間として定義された。
体積が0.75gのKuraray GCに等しい、所与の実施例に従って調製された含浸炭素の小さなサンプルを計り分け、図3に示される装置に類似しているが、炎イオン化検出器(GC−FID)を備えるガスクロマトグラフを備える管試験装置に移動させた。肉眼で著しい体積減少が観察されなくなるまで、炭素を「軽く打ち」つけた。次いで、管中の炭素サンプルを、約2000ppmのシアン化水素(HCN)を含有する260mL/分の調整空気(<15% RH又は80% RH)の試験流に曝露した。炭素サンプルの下流の空気を、HCN、チャレンジガス、及びシアン(NCCN)(HCNの一般的な分解産物)について、GC−FIDシステムを用いて突破をモニタした。突破時間は、5ppm濃度が炭素サンプルの下流で観察された時間として定義された。
体積が0.75gのKuraray GCに等しい、所与の実施例に従って調製された含浸炭素の小さなサンプルを計り分け、図3に示される管試験装置に移動した。肉眼で著しい体積減少が観察されなくなるまで、炭素を「軽く打ち」つけた。次いで、管中の炭素サンプルを、2000ppmのシクロヘキサン(C6H12)を含有する200mL/分の調節された空気(<15% RH又は80% RH)の試験流に曝露した。炭素サンプルの下流の空気を、Miran SapphIRe IRを使用して、突破をモニタした。5ppmの濃度が炭素サンプルの下流で観察された時間として突破時間を画定した。
活性炭、Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な12×35型Kuraray GCを基材として用いた。蒸留水中に4モル濃度(モル/リットル:「M」)のHNO3を含有する酸性溶液を金属塩と混合することによって最終含浸溶液を調製し、2.4MのZn(NO3)2の濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、160℃の温度で約3時間乾燥した。
活性炭、Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な12×35型Kuraray GCを基材として用いた。水中に0.5モル濃度の(モル/リットル:「M」)HNO3を含有する酸性溶液を、金属塩と混合することによって最終含浸溶液を調製し、2.4MのZn(NO3)2の濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、160℃の温度で3時間乾燥した。
Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な、Kuraray GC活性炭、12×35型Kuraray GCのサンプルを、2つの工程プロセスで含浸させた。まず、活性炭1グラムに対して0.7mLの含浸溶液の比で、炭素のサンプルを1.2MのZn(NO3)2、0.018MのH3PO4・12MoO3、及び2.0MのHNO3水溶液で含浸させた。含浸炭素を、不活性雰囲気下で、125℃にて2時間乾燥させた。次いで、この処理された炭素を、処理された活性炭1グラムに対して、1.2MのZn(NO3)2、0.018MのH3PO4・12MoO3、及び2.0MのHNO3である0.7mLの第2の水溶液で含浸させた。アルゴン下で、200℃の温度で2時間、含浸炭素を2度乾燥した。
活性炭、Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な12×35型Kuraray GCを基材として用いた。Zn(NO3)2・6H2Oを蒸留水に溶解することによって、最終含浸溶液を調製した。金属塩は2.4MのZn(NO3)2濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、160℃の温度で2時間乾燥した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で180℃の温度で3時間乾燥させたことを除き、実施例5を実施例1に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で180℃の温度で3時間乾燥させたことを除き、実施例6を実施例2に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で180℃の温度で2時間乾燥させたことを除き、実施例7を実施例4に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で200℃の温度で3時間乾燥させたことを除き、実施例8を実施例1に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で200℃の温度で3時間乾燥させたことを除き、実施例9を実施例2に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で200℃の温度で2時間乾燥させたことを除き、実施例10を実施例4に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で250℃の温度で3時間乾燥させたことを除き、実施例11を実施例1に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で250℃の温度で3時間乾燥させたことを除き、実施例12を実施例2に記載のとおり調製した。
活性炭、Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な12×35型Kuraray GCを基材として用いた。Zn(NO3)2・6H2Oを蒸留水に溶解することによって、最終含浸溶液を調製した。金属塩は2.4MのZn(NO3)2濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、300℃の温度で3時間乾燥した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で300℃の温度で3時間乾燥させたことを除き、実施例14を実施例1に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で300℃の温度で3時間乾燥させたことを除き、実施例15を実施例2に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で450℃の温度で3時間乾燥させたことを除き、実施例16を実施例1に記載のとおり調製した。
含浸溶液及び活性炭混合物をアルゴン雰囲気で450℃の温度で3時間乾燥させたことを除き、実施例17を実施例13に記載のとおり調製した。
活性炭、Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な12×35型Kuraray GCを基材として用いた。蒸留水中に4モル濃度(モル/リットル:「M」)のHNO3を含有する酸性溶液を金属塩と混合することによって、最終含浸溶液を調製し、1.2MのZn(NO3)2及び1.2MのFe(NO3)3の濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、180℃の温度で約3時間乾燥した。
用いた活性炭がCalgon Carbon Corporation,Pittsburgh,PA製のCDND 1230であったことを除き、実施例19に記載したように実施例1を調製した。また、含浸溶液及び活性炭混合物をアルゴン雰囲気で180℃の温度で3時間乾燥した。
活性炭、Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な12×35型Kuraray GCを基材として用いた。蒸留水を金属塩と混合することによって最終含浸溶液を調製し、1.2MのZn(NO3)2及び1.2MのFe(NO3)3の濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、180℃の温度で約3時間乾燥した。
Calgon Carbon Corporation,Pittsburgh,PAから入手可能な活性炭、CDND 1230を基材として使用した。蒸留水を金属塩と混合することによって最終含浸溶液を調製し、2.4MのZn(NO3)2の濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、180℃の温度で約3時間乾燥した。
Westvaco Chemical Division,Covington,VAより入手可能な活性炭、NUCHAR WV−B 10×25メッシュを基材として使用した。蒸留水を金属塩と混合することによって最終含浸溶液を調製し、2.4MのZn(NO3)2の濃度を達成した。炭素及び含浸溶液を、約1g:0.8mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、180℃の温度で約3時間乾燥した。
Westvaco Chemical Division,Covington,VAより入手可能な活性炭、NUCHAR WV−B 10×25メッシュを基材として使用した。蒸留水中に4モル濃度(モル/リットル:「M」)のHNO3を含有する酸性溶液を金属塩と混合することによって最終含浸溶液を調製し、2.4MのZn(NO3)2の濃度を達成した。炭素及び含浸溶液を、約1g:0.9mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、180℃の温度で約3時間乾燥した。
Westvaco Chemical Division,Covington,VAより入手可能な活性炭、NUCHAR WV−B 10×25メッシュを基材として使用した。蒸留水を金属塩と混合することによって最終含浸溶液調製し、1.2MのZn(NO3)2及び1.2MのFe(NO3)3の濃度を達成した。炭素及び含浸溶液を、約1g:1mLの比で混合した。次いで、この混合物をアルゴン雰囲気で、180℃の温度で約3時間乾燥した。
活性炭、Kuraray Chemical Co.,Ltd.,Osaka,Japanから入手可能な12×35型Kuraray GCを基材として用いた。Zn(NO3)2・6H2Oを蒸留水に溶解することによって、最終含浸溶液を調製した。金属塩は2.3MのZn(NO3)2の濃度を達成した。炭素及び含浸溶液を1g:0.8mLの比で混合した。次いで、この混合物を空気中にて、140℃の温度で5時間乾燥した。
1Calgon URC、Calgon Carbon Company,Pittsburgh,PA,USAから市販
2試験前に、サンプルを約120℃で空気中にて乾燥し、含水量を減少させた。
3サンプルに関して、HCN試験の間、NCCNの生成を観察しなかった場合には、NCCN突破時間をNとして記載する。
1Calgon URC、Calgon Carbon Company,Pittsburgh,PA,USAから市販
2試験及び加湿の前に、サンプルを約120℃で空気中にて乾燥した。
3サンプルに関して、HCN試験の間、NCCNの生成を観察しなかった場合には、NCCN突破時間をNとして記載する。
Claims (20)
- 濾材であって、
活性炭微粒子と、
前記活性炭微粒子の表面上に配置される酸化亜鉛粒子と、を含み、
前記酸化亜鉛粒子が、約50nm以下の平均晶子寸法を有する、濾材。 - 前記濾材が、少なくとも約5重量%の酸化亜鉛を含む、請求項1に記載の濾材。
- 前記濾材が、約15重量%〜約25重量%の酸化亜鉛を含む、請求項1に記載の濾材。
- 前記平均晶子寸法が、30nm以下である、請求項1に記載の濾材。
- 前記平均晶子寸法が、20nm以下である、請求項1に記載の濾材。
- 空気から汚染物質を除去するためのフィルタカートリッジであって、前記フィルタカートリッジが、
ハウジング内に含有される含浸活性微粒子の層を備え、前記含浸活性微粒子が請求項1に記載の濾材を備える、フィルタカートリッジ。 - 前記酸化亜鉛粒子が、約20nm以下の平均結晶寸法を有する、請求項6に記載のフィルタカートリッジ。
- 請求項1に記載の濾材を含有するフィルタカートリッジを備える、呼吸装置。
- 濾材の製造方法であって、
硝酸亜鉛を含む含浸溶液を提供する工程と、
基材上に前記硝酸亜鉛を含浸させるために、前記基材を前記含浸溶液と接触させる工程と、
前記硝酸亜鉛を酸化亜鉛へ転化するために、前記含浸溶液を加熱する工程と、を含む、方法。 - 前記含浸溶液が、少なくとも約0.5Mの濃度の硝酸を更に含む、請求項9に記載の方法。
- 前記硝酸が、少なくとも約2.0Mの濃度を有する、請求項10に記載の方法。
- 前記基材を第2の含浸溶液と接触させる工程を更に含む、請求項9に記載の方法。
- 前記基材を高分子量アミンと接触させる工程を更に含む、請求項12に記載の方法。
- 前記高分子量アミンが、トリエチレンジアミン(TEDA)である、請求項12に記載の方法。
- 前記含浸溶液が、非亜鉛塩を更に含む、請求項9に記載の方法。
- 前記非亜鉛塩が、Fe(NO3)3である、請求項15に記載の方法。
- 前記含浸溶液が、Cu(NO3)2、CuCl2、Fe(NO3)3、Al(NO3)3、FeCl2、FeCl3、Ca(NO3)2、ZnCl2、酢酸亜鉛、酢酸銅、又はそれらの組み合わせを含む、請求項9に記載の方法。
- 加熱前に前記含浸させた基材を乾燥させる工程を更に含む、請求項9に記載の方法。
- 前記含浸させた基材が、約180℃〜約300℃まで加熱される、請求項9に記載の方法。
- 前記方法が、1つの工程で行われる、請求項10に記載の方法。
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US12/941,280 US8585808B2 (en) | 2010-11-08 | 2010-11-08 | Zinc oxide containing filter media and methods of forming the same |
PCT/US2011/057790 WO2012064507A1 (en) | 2010-11-08 | 2011-10-26 | Zinc oxide containing filter media and methods of forming the same |
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CN103201012B (zh) | 2016-05-18 |
US20140045682A1 (en) | 2014-02-13 |
CN103201012A (zh) | 2013-07-10 |
KR20130132465A (ko) | 2013-12-04 |
US8585808B2 (en) | 2013-11-19 |
US8753434B2 (en) | 2014-06-17 |
EP2637764A4 (en) | 2018-04-18 |
WO2012064507A1 (en) | 2012-05-18 |
BR112013011415A2 (pt) | 2016-08-02 |
KR101894114B1 (ko) | 2018-08-31 |
US20120111335A1 (en) | 2012-05-10 |
EP2637764A1 (en) | 2013-09-18 |
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