JP6581372B2 - 樹脂粒子に吸着した有機物の吸着状態判定方法 - Google Patents
樹脂粒子に吸着した有機物の吸着状態判定方法 Download PDFInfo
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- JP6581372B2 JP6581372B2 JP2015059416A JP2015059416A JP6581372B2 JP 6581372 B2 JP6581372 B2 JP 6581372B2 JP 2015059416 A JP2015059416 A JP 2015059416A JP 2015059416 A JP2015059416 A JP 2015059416A JP 6581372 B2 JP6581372 B2 JP 6581372B2
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- exchange resin
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- 238000000034 method Methods 0.000 title claims description 28
- 238000001179 sorption measurement Methods 0.000 title claims description 26
- 239000002245 particle Substances 0.000 title claims description 9
- 239000011347 resin Substances 0.000 title description 16
- 229920005989 resin Polymers 0.000 title description 16
- 239000003456 ion exchange resin Substances 0.000 claims description 47
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 47
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 43
- 230000005284 excitation Effects 0.000 claims description 18
- 125000002843 carboxylic acid group Chemical group 0.000 claims description 5
- 150000001491 aromatic compounds Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 239000005416 organic matter Substances 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 10
- 239000000523 sample Substances 0.000 description 10
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 9
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- 239000003957 anion exchange resin Substances 0.000 description 5
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- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 description 4
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 4
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 description 4
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- 239000002509 fulvic acid Substances 0.000 description 4
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- ZHDBWNJMTQBCPX-UHFFFAOYSA-L 4-carboxy-2,6-dihydroxyphenolate iron(2+) Chemical compound [Fe+2].OC1=CC(C([O-])=O)=CC(O)=C1O.OC1=CC(C([O-])=O)=CC(O)=C1O ZHDBWNJMTQBCPX-UHFFFAOYSA-L 0.000 description 1
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Description
イオン交換樹脂の有機物吸着量の測定法としては、蛍光光度法を用いる。蛍光光度法とは、測定試料に光を照射することで試料に含まれる物質が励起状態になり、基底状態に戻る際に発する蛍光を測定する方法である。測定するイオン交換樹脂や有機物により励起波長や蛍光波長が異なるため、3次元の蛍光スペクトルのデータが収集できる機器が好ましい。測定するイオン交換樹脂を乾燥後粉砕し、プレート上に成型する。その際に正確な定量を実施するため成型の型や成型するイオン交換樹脂量は一定にする必要がある。成型したイオン交換樹脂に対して励起波長を走査し、蛍光波長を求め、3次元の蛍光スペクトルデータを取得する。波長範囲は励起波長、蛍光波長ともに200nm〜600nmで測定を行う。
乾燥した試料を粉砕し、ペレット状に成型したものを測定した。測定機器を以下に示す。
測定機器:F−7000型 分光蛍光光度計 日立製
付属品 固体試料ホルダー
測定モード:3次元 データモード:蛍光
励起開始波長:200.0nm 励起終了波長:600.0nm 励起サンプリング間隔:5.0nm
蛍光開始波長:200.0nm 蛍光終了波長:600.0nm 蛍光サンプリング間隔:5.0nm
Claims (2)
- イオン交換樹脂粒子へのカルボン酸基含有芳香族化合物から選択される有機物の吸着状態を判定する方法であって、有機物を吸着したイオン交換樹脂粒子を粉砕し、粉砕した前記イオン交換樹脂粒子に対して蛍光光度法により励起波長を走査して少なくとも2つの励起波長における蛍光ピークを取得し、2つの前記蛍光ピークの強度の比に基づいて前記有機物の吸着量を予測する吸着状態判定方法。
- 前記2つの励起波長における蛍光ピークの蛍光波長は等しい請求項1に記載の吸着状態判定方法。
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JP7327450B2 (ja) * | 2021-08-31 | 2023-08-16 | 栗田工業株式会社 | イオン交換装置の運転方法 |
CN115575368B (zh) * | 2022-10-11 | 2024-03-26 | 北京工业大学 | 一种判断颗粒活性炭对有机污染组分吸附亲和性的方法 |
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