JP5376745B2 - 吸着容器および酸化鉄吸着剤 - Google Patents
吸着容器および酸化鉄吸着剤 Download PDFInfo
- Publication number
- JP5376745B2 JP5376745B2 JP2002530423A JP2002530423A JP5376745B2 JP 5376745 B2 JP5376745 B2 JP 5376745B2 JP 2002530423 A JP2002530423 A JP 2002530423A JP 2002530423 A JP2002530423 A JP 2002530423A JP 5376745 B2 JP5376745 B2 JP 5376745B2
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- Prior art keywords
- water
- adsorbent
- feooh
- iron
- filter
- 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 - Lifetime
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title abstract description 53
- 239000003463 adsorbent Substances 0.000 title description 85
- 238000001179 sorption measurement Methods 0.000 title description 66
- CUPCBVUMRUSXIU-UHFFFAOYSA-N [Fe].OOO Chemical class [Fe].OOO CUPCBVUMRUSXIU-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 30
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 79
- 239000000463 material Substances 0.000 claims description 54
- 239000002245 particle Substances 0.000 claims description 49
- 229910002588 FeOOH Inorganic materials 0.000 claims description 38
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- 239000000356 contaminant Substances 0.000 claims description 22
- 229910006540 α-FeOOH Inorganic materials 0.000 claims description 21
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- 229910001385 heavy metal Inorganic materials 0.000 claims description 12
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- 125000004093 cyano group Chemical group *C#N 0.000 claims description 3
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- 238000010521 absorption reaction Methods 0.000 claims 1
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- 150000003018 phosphorus compounds Chemical class 0.000 claims 1
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- 238000000034 method Methods 0.000 abstract description 30
- 235000013980 iron oxide Nutrition 0.000 abstract description 27
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- 238000012986 modification Methods 0.000 abstract 1
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- 235000014413 iron hydroxide Nutrition 0.000 description 28
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- 239000003651 drinking water Substances 0.000 description 14
- 235000020188 drinking water Nutrition 0.000 description 14
- 238000001878 scanning electron micrograph Methods 0.000 description 14
- 125000000223 arsonoyl group Chemical group [H][As](*)(*)=O 0.000 description 13
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
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- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
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- RAQDACVRFCEPDA-UHFFFAOYSA-L ferrous carbonate Chemical compound [Fe+2].[O-]C([O-])=O RAQDACVRFCEPDA-UHFFFAOYSA-L 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 229910000358 iron sulfate Inorganic materials 0.000 description 2
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
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- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical class [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
-
- 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
-
- 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
- B01J20/0203—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
-
- 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
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Description
顆粒/接触物の機械的強度に要求がほとんどない適用のためには、まず水だけを、例えば蒸発により除去する。微細な酸化鉄および/またはオキシ水酸化鉄のほかに完全な塩負荷を有する残留物が得られる。この残留物を乾燥後、水に再分散し、このためにかなり小さいせん断力を使用する。この懸濁液を引き続き濾過し、残留物を実質的に塩不含に洗浄する。残留物として得られるフィルターケーキは固体から一般に10〜90質量%の含水量を有する半固体のペーストである。
顆粒/接触物の機械的強度に大きな要求がある適用のためには、懸濁液を濾過し、残留物を実質的に塩不含に洗浄する。残留物として得られるフィルターケーキは固体から半固体のペーストである。これを引き続き完全にまたは部分的に脱水し、得られた材料を引き続き所望の形状および/または大きさに微粉砕することができる。選択的に、ペーストまたはフィルターケーキを、場合により予め乾燥し、十分な固体の状態を達成した後に、成形し、引き続き更に乾燥し、粒子の状態を達成することができる。顆粒の後での使用は、製造の有利な方法を決定し、それぞれの適用分野に熟知した業者により簡単な説明の予備試験により決定される。即座に乾燥したフィルターケーキだけでなく乾燥して成形した物体も接触物または吸着剤として使用することができる。
FeSO4150g/lの濃度を有する硫酸鉄水溶液237リットルを24℃で装入した。引き続きNaOH水溶液113リットル(227g/l)を急激に添加し、更に淡いブルーの懸濁液を毎時および鉄1モル当たり空気40リットルで1.5時間酸化した。
FeSO4150g/lの濃度を有する硫酸鉄水溶液800リットルを29℃で装入し、NaOH水溶液147リットル(300g/l)を20分以内で撹拌しながら添加した。、その後得られた灰色がかったブルーの懸濁液を57%グリコール酸水溶液2.16kgと混合し、毎時および鉄1モル当たり空気38リットルで7時間酸化した。
例2により得られたα−FeOOH懸濁液を30℃で2時間熟成後、300g/lNaOH水溶液1.3リットルと撹拌しながら混合し、同時に空気190リットルで1時間再び酸化した。生成物を例2に記載されたように処理した。純粋なα−FeOOHの微細な針状物が得られ、BET比表面積130m2/gを有した。60000:1に拡大した走査電子顕微鏡写真から針の幅が15〜20nmの測定値により決定され、針の長さは50〜90nmであった。針状物はきわめて凝結していた。顆粒は機械的および液圧にきわめて安定であり、摩耗値はわずか3.9%であった。
NaOH水溶液306リットル(45g/l)を31℃で装入し、撹拌しながらFeCl2水溶液43リットル(344g/l)と急激に混合し、引き続き1時間およびFe1モル当たり空気60リットルで酸化した。得られた濃い黄色の懸濁液を例1に記載されるように処理した。
NaOH水溶液124リットル(114g/l)を24℃で装入し、撹拌しながらFeSO4水溶液171リットル(100g/l)と急激に混合し、引き続き1時間およびFe1モル当たり空気10リットルで酸化した。酸化後直ちに終了し、Fe2(SO4)3水溶液56リットル(100g/l)を添加し、混合物を30分撹拌した。得られた黄褐色の懸濁液を例1に記載されるように処理した。
FeSO47905kgを装入し、水で体積53.3m3に溶解し、溶液を14℃に冷却し、この溶液をMgSO4・7H2O1000kgと混合した。引き続きこの装入物を14℃で約300g/lの溶液としてNaOH5056kgで希釈し、更に空気4000m3/hで99.5%より高い沈殿の程度まで酸化した。バッチをフィルタープレスで1000μS/cm未満の残留濾液導電率に洗浄し、ペーストを孔直径7mmを有する穿孔プレートに押し込み、ロッドを形成した。ロッドをベルト乾燥機で残留湿分約3%に乾燥した。生成物はX線回折画像によりきわめて短い針のα−FeOOH100%からなっていた。例えば60000:1に拡大した走査電子顕微鏡写真から、針の幅が30〜50nmの測定値により決定された。針の長さは針が凝結しすぎていたので、明らかに決定されなかった。BET比表面積は145m2/gであった。30分後の摩耗値はわずか6質量%であった。
NaOH4096kg(約300g/lの溶液として)を装入し、水で40m3に希釈した。FeSO44950kgを水で希釈し、48.5m3の溶液を形成し、15℃に冷却し、引き続き1時間以内でNaOH装入物に供給した。引き続き懸濁液を、約2時間以内で空気1500m3/hで酸化した。粒懸濁液約2m3をプィルタープレスで濾液導電率1000μS/cm未満に洗浄し、フィルターケーキを、75℃で空気循環乾燥棚中で乾燥し、乾燥した材料を1.5mm未満の粒度に粗粉砕した。0.5mm未満の微細な部分をふるいにより分離した。得られた材料はBET比表面積153m2/gを有し、100%α−FeOOHからなっていた。例えば60000:1に拡大した走査電子顕微鏡写真から、針の幅が15〜35nmの測定値により決定され、針の長さは50〜100nmであった。針状物はきわめて凝結していた。
例7により製造したアルカリ性粒懸濁液1600g(FeOOH2.7%)を室温でFeSO4(100g/l)の水溶液と撹拌しながら混合し、同時に空気130l/hを通してpH8にした。得られた粒懸濁液を濾過し、洗浄し、フィルターケーキを75℃で乾燥し、例7に記載のように0.5〜2mmの粒度に粗粉砕した。得られた材料はBET比表面積163m2/gを有し、X線回折画像により100%α−FeOOHからなっていた。例えば60000:1に拡大した走査電子顕微鏡写真から、針状物がきわめて凝結していることが理解された。
NaOH水溶液6.4リットル(100g/l)を29℃で撹拌しながら装入し、同時に空気を供給して硫酸鉄(II)水溶液12.2リットル(100g/l)と混合し、pH9にした。得られた懸濁液を例1に記載のように処理した。材料はBET比表面積251m2/gを有し、X線回折画像により100%α−FeOOHからなっていた。走査電子顕微鏡写真により短く、太い針状物が観察され、きわめて凝結していた。摩耗特性は5%であった。
NaOH4096kg(約300g/lの溶液として)を装入し、水で40m3に希釈した。FeSO44950kgを水で溶解し、48.5m3の溶液を形成し、15℃に冷却し、引き続き1時間以内でNaOH装入物に供給した。引き続き懸濁液を、約2時間以内で空気1500m3/hで酸化した。この懸濁液約87m3をFeClSO4溶液14.4m3(113.4g/l)と撹拌しながら混合し、更に30分撹拌した。バッチをフィルタープレスで残留濾液導電率1000μS/cm未満に洗浄し、孔直径7mmを有する穿孔プレートを介してペーストを形成し、ロッドに成形した。ロッドをベルト乾燥機で残留湿度約5%に乾燥した。乾燥したペレットを2mmの粒度に粗粉砕した。得られた材料はBET比表面積142m2/gを有し、100%α−FeOOHからなっていた。例えば60000:1に拡大した走査電子顕微鏡写真から、針の幅が15〜50nmの測定値により決定され、針の長さは10〜150nmであった。針状物はきわめて凝結していた。
FeOOH50g/lの固形分を有するBayferrox920の懸濁液1リットルをMgSO4溶液569ml(100g/l)と混合し、引き続き24%NaOH溶液173gと撹拌しながら混合し、更に15分間撹拌した。
α−FeOOHのアルカリ性ナノ微粒子の粒の懸濁液950g(固形分FeOOH5.26g/l、NaOH1.14%)を、Al2(SO4)3溶液46ml(Al2O3100g/l)と撹拌しながら混合し、更に15分間撹拌した。褐色の懸濁液を真空フィルターで残留濾液導電率1mS/cmに洗浄し、フィルターケーキを75℃で乾燥棚中で残留湿度2%未満に乾燥した。生成物を0.5〜2mmの粒度に造粒し、顆粒を砒素の吸着に使用した。
NaOH3100kg(100g/lの溶液として)を撹拌タンクに装入し、冷たい水で31m3に希釈した。このNaOH溶液の温度は26℃であった。FeSO43800kgを水で溶解して38m3の溶液を形成し、13〜14℃に冷却し、その後撹拌しながら40分以内でNaOH装入物に供給した。引き続き得られた懸濁液を、75分以内で撹拌しながら空気2500m3/hで酸化した。
典型的に0.5〜2mmであるかまたは圧縮した形の、例1〜13により製造した吸着剤顆粒を、図1または図2に示される接触室に導入した。濾過ユニットは圧力差0.1バールで毎分2000mlの流体としての空気の流動速度を有する。
Claims (9)
- 中心に配置された流入管(6)を有する容器、端部で互いに向かい合う平坦なフィルター層(3)、(10)からなるカートリッジハウジング(4)、浄化すべき流体の流入(1)および流出(12)を保証するふたおよび底部空間(9)からなる、液体から汚染物質を除去するために媒体が流動する濾過ユニットにおいて、フィルターカートリッジハウジング(4)が微粒子の形の0.2〜40mmの粒度を有する微細なオキシ水酸化鉄の凝結物の層を含有し、その際微細なオキシ水酸化鉄が50〜500m2/gのBET表面積を有するα−FeOOHであり、浄化すべき液体が目的に合わせて、流入口(1)、流入管(6)、シーブバスケット(7)、底部空間(9)、下側フリット板(10)を通過し、その後接触室(4)内の吸着剤材料(5)、上側フリット板(3)および濾過材料(2)を有するふた空間を通過し、更に流出口を介して流出管(12)を離れることを特徴とする濾過ユニット。
- 底部空間(9)がさらにフィルター材料(8)を有することを特徴とする、請求項1に記載の濾過ユニット。
- 凝結物の層を含有し、α−FeOOHである微細なオキシ水酸化鉄が80〜200m2/gのBET表面積を有することを特徴とする、請求項1又は2に記載の濾過ユニット。
- 凝結物の層を含有し、α−FeOOHである微細なオキシ水酸化鉄が4〜50nmの針の幅を有することを特徴とする、請求項1から3までのいずれか1項に記載の濾過ユニット。
- 凝結物の層を含有し、該凝結物が12質量%以下の機械的および水圧的な摩耗抵抗を有することを特徴とする、請求項1から4までのいずれか1項に記載の濾過ユニット。
- 液体を浄化するための請求項1から5までのいずれか1項に記載の濾過ユニットの使用。
- 液体の浄化が水処理であることを特徴とする、請求項6に記載の使用。
- 水処理が、重金属および燐化合物、アンチモン化合物、ベリリウム化合物、セレン化合物、テルル化合物およびシアノ化合物の水からの除去を含むことを特徴とする、請求項7に記載の使用。
- 水処理が、砒素化合物の水からの除去を含むことを特徴とする、請求項7に記載の使用。
Applications Claiming Priority (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10047997.9 | 2000-09-26 | ||
DE10047996.0 | 2000-09-26 | ||
DE2000147996 DE10047996A1 (de) | 2000-09-26 | 2000-09-26 | Kontakt- und Adsorber-Granulate |
DE2000147997 DE10047997A1 (de) | 2000-09-26 | 2000-09-26 | Kontakt- und Absorber-Granulate |
DE2001115415 DE10115415A1 (de) | 2001-03-29 | 2001-03-29 | Kontakt- und Adsorber-Granulate |
DE10115418.6 | 2001-03-29 | ||
DE2001115414 DE10115414A1 (de) | 2001-03-29 | 2001-03-29 | Kontakt- und Adsorber-Granulate |
DE10115417.8 | 2001-03-29 | ||
DE10115414.3 | 2001-03-29 | ||
DE2001115417 DE10115417A1 (de) | 2001-03-29 | 2001-03-29 | Kontakt- und Adsorber-Grandulate |
DE10115415.1 | 2001-03-29 | ||
DE2001115418 DE10115418A1 (de) | 2001-03-29 | 2001-03-29 | Adsorptionsbehälter |
DE2001129307 DE10129307A1 (de) | 2001-06-18 | 2001-06-18 | Adsorptionsbehälter |
DE10129304.6 | 2001-06-18 | ||
DE10129306.2 | 2001-06-18 | ||
DE10129307.0 | 2001-06-18 | ||
DE2001129304 DE10129304A1 (de) | 2001-06-18 | 2001-06-18 | Kontakt- und Adsorber-Granulate |
DE2001129306 DE10129306A1 (de) | 2001-06-18 | 2001-06-18 | Kontakt- und Adsorber-Granulate |
PCT/EP2001/010930 WO2002026633A1 (de) | 2000-09-26 | 2001-09-21 | Adsorptionsbehälter und eisenoxidadsorber |
Publications (3)
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JP2004509753A JP2004509753A (ja) | 2004-04-02 |
JP2004509753A5 JP2004509753A5 (ja) | 2008-10-02 |
JP5376745B2 true JP5376745B2 (ja) | 2013-12-25 |
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JP2002530423A Expired - Lifetime JP5376745B2 (ja) | 2000-09-26 | 2001-09-21 | 吸着容器および酸化鉄吸着剤 |
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EP (1) | EP1334072B1 (ja) |
JP (1) | JP5376745B2 (ja) |
KR (2) | KR100830807B1 (ja) |
CN (1) | CN100343177C (ja) |
AT (1) | ATE503729T1 (ja) |
AU (1) | AU2001289904A1 (ja) |
BR (1) | BR0114198B1 (ja) |
CA (1) | CA2423178C (ja) |
DE (1) | DE50115837D1 (ja) |
TW (1) | TWI296997B (ja) |
WO (1) | WO2002026633A1 (ja) |
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2001
- 2001-09-21 EP EP01969752A patent/EP1334072B1/de not_active Expired - Lifetime
- 2001-09-21 WO PCT/EP2001/010930 patent/WO2002026633A1/de active Application Filing
- 2001-09-21 KR KR1020077018061A patent/KR100830807B1/ko not_active IP Right Cessation
- 2001-09-21 KR KR1020037004260A patent/KR100840068B1/ko not_active IP Right Cessation
- 2001-09-21 CA CA2423178A patent/CA2423178C/en not_active Expired - Fee Related
- 2001-09-21 CN CNB018163181A patent/CN100343177C/zh not_active Expired - Lifetime
- 2001-09-21 DE DE50115837T patent/DE50115837D1/de not_active Expired - Lifetime
- 2001-09-21 JP JP2002530423A patent/JP5376745B2/ja not_active Expired - Lifetime
- 2001-09-21 AU AU2001289904A patent/AU2001289904A1/en not_active Abandoned
- 2001-09-21 AT AT01969752T patent/ATE503729T1/de active
- 2001-09-21 BR BRPI0114198-8A patent/BR0114198B1/pt not_active IP Right Cessation
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101832755B1 (ko) * | 2017-04-10 | 2018-02-27 | 주식회사 한국가스기술공사 | 착탈식 자동 가스정제시스템 |
Also Published As
Publication number | Publication date |
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JP2004509753A (ja) | 2004-04-02 |
KR20070096004A (ko) | 2007-10-01 |
KR20030036825A (ko) | 2003-05-09 |
WO2002026633A1 (de) | 2002-04-04 |
WO2002026633A8 (de) | 2002-09-19 |
KR100840068B1 (ko) | 2008-06-20 |
CA2423178A1 (en) | 2003-03-21 |
BR0114198B1 (pt) | 2012-02-22 |
KR100830807B1 (ko) | 2008-05-20 |
TWI296997B (en) | 2008-05-21 |
CA2423178C (en) | 2013-04-16 |
CN100343177C (zh) | 2007-10-17 |
EP1334072B1 (de) | 2011-03-30 |
ATE503729T1 (de) | 2011-04-15 |
EP1334072A1 (de) | 2003-08-13 |
DE50115837D1 (de) | 2011-05-12 |
AU2001289904A1 (en) | 2002-04-08 |
BR0114198A (pt) | 2003-10-07 |
CN1466550A (zh) | 2004-01-07 |
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