JP6134892B2 - シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材の製造方法及びシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法、微量金属元素の回収方法 - Google Patents
シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材の製造方法及びシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法、微量金属元素の回収方法 Download PDFInfo
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 212
- 239000003463 adsorbent Substances 0.000 title claims description 144
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 title claims description 116
- 229920000642 polymer Polymers 0.000 title claims description 114
- 239000000377 silicon dioxide Substances 0.000 title claims description 107
- 239000002131 composite material Substances 0.000 title claims description 106
- 239000013522 chelant Substances 0.000 title claims description 102
- 238000000034 method Methods 0.000 title claims description 47
- 229910021654 trace metal Inorganic materials 0.000 title claims description 46
- 238000004445 quantitative analysis Methods 0.000 title claims description 42
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 48
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 239000013535 sea water Substances 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 15
- 230000003750 conditioning effect Effects 0.000 claims description 12
- 238000010828 elution Methods 0.000 claims description 12
- 230000002285 radioactive effect Effects 0.000 claims description 10
- 239000010808 liquid waste Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- VWJBZYCTOTWLQU-UHFFFAOYSA-N O.N(CC(=O)O)CC(=O)O.[Na].[Na] Chemical compound O.N(CC(=O)O)CC(=O)O.[Na].[Na] VWJBZYCTOTWLQU-UHFFFAOYSA-N 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 230000000379 polymerizing effect Effects 0.000 claims description 6
- 239000000941 radioactive substance Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 239000000243 solution Substances 0.000 description 44
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 26
- 239000011734 sodium Substances 0.000 description 26
- 239000011347 resin Substances 0.000 description 23
- 229920005989 resin Polymers 0.000 description 23
- 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 19
- 229910052708 sodium Inorganic materials 0.000 description 19
- 238000010586 diagram Methods 0.000 description 13
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 12
- 239000005695 Ammonium acetate Substances 0.000 description 12
- 229940043376 ammonium acetate Drugs 0.000 description 12
- 235000019257 ammonium acetate Nutrition 0.000 description 12
- 239000007788 liquid Substances 0.000 description 8
- 229910021645 metal ion Inorganic materials 0.000 description 8
- 239000008213 purified water Substances 0.000 description 8
- 229910001415 sodium ion Inorganic materials 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000003480 eluent Substances 0.000 description 5
- -1 iminodiacetic acid disodium - dihydrate Chemical compound 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 4
- CLZHLAZNAFPJGE-UHFFFAOYSA-N 2-(carboxymethylamino)acetic acid;sodium Chemical compound [Na].[Na].OC(=O)CNCC(O)=O CLZHLAZNAFPJGE-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000001612 separation test Methods 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- IWTYTFSSTWXZFU-UHFFFAOYSA-N 3-chloroprop-1-enylbenzene Chemical compound ClCC=CC1=CC=CC=C1 IWTYTFSSTWXZFU-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000004660 morphological change Effects 0.000 description 2
- 239000012857 radioactive material Substances 0.000 description 2
- 239000002901 radioactive waste Substances 0.000 description 2
- 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 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- YSBGCHXLMBAKPV-UHFFFAOYSA-L disodium;2-(carboxylatomethylamino)acetate;hydrate Chemical compound O.[Na+].[Na+].[O-]C(=O)CNCC([O-])=O YSBGCHXLMBAKPV-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000002925 low-level radioactive waste Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011328 necessary treatment Methods 0.000 description 1
- 238000001637 plasma atomic emission spectroscopy Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Images
Description
岡野正紀:"キレートディスク/誘導プラズマ発光分光分析法による再処理施設低レベル放射性廃液中の微量元素分析法の開発":日本原子力学会2011年秋の大会A13(2011)
Cr3+>In3+>Fe3+>Ce3+>Al3+>La3+>Hg2+>UO2+>Cu2+>VO2+>Pb2+>Ni2+>Cd2+>Zn2+>Co2+>Fe2+>Mn2+>Be2+>Ca2+>Mg2+>Sr2+>>>Na+
となっている。これにより、Na+を十分に除去することが可能であると考えられる。
ステップS10では、吸着材に吸着した微量金属元素を回収するため、0.1mol/L塩酸を通液する。
2・・・回転式ポンプ
3・・・圧力リミッタ
4・・・圧力計
5・・・耐圧カラム
6・・・吸着材
7・・・処理済液槽
8・・・ナトリウム溶液槽
Claims (9)
- 多孔性のSiO2粒子に3次元高分子鎖を重合したシリカ/ポリマー複合体に、
イミノ二酢酸二ナトリウム−水和物を含浸担持させたシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材の製造方法であって、
前記シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材は、所定量の前記シリカ/ポリマー複合体と、前記イミノ二酢酸二ナトリウム−水和物と、純水とを容器に投入し、一定の温度を保ち攪拌することで得られることを特徴とするシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材の製造方法。 - 多孔性のSiO2粒子に3次元高分子鎖を重合したシリカ/ポリマー複合体に、イミノ二酢酸二ナトリウム−水和物を含浸担持させたシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材をカラムに充填する充填工程と、
前記カラムに処理対象溶液を通液することで、前記シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材に処理対象溶液中の金属元素を吸着させる吸着工程と、を含むシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法において、
前記シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材は、所定量の前記シリカ/ポリマー複合体と、前記イミノ二酢酸二ナトリウム−水和物と、純水とを容器に投入し、一定の温度を保ち攪拌することで得られることを特徴とするシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法。 - 前記吸着工程の実施前に、前記カラムに充填された前記シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材をコンディショニングするコンディショニング工程を含むことを特徴とする請求項2に記載のシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法。
- 前記吸着工程の実施後に、前記カラムを水により洗浄する洗浄工程を含むことを特徴とする請求項2又は請求項3に記載のシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法。
- 前記洗浄工程の実施後に、前記シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材に吸着した金属元素を溶離させる溶離工程を含むことを特徴とする請求項2乃至請求項4のいずれか1項に記載のシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法。
- 低レベル放射性廃液に含まれる微量金属元素を定量分析することを特徴とする請求項2乃至請求項5のいずれか1項に記載のシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法。
- 海水に含まれる微量金属元素を定量分析することを特徴とする請求項2乃至請求項5のいずれか1項に記載のシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法。
- 海水に含まれる放射性物質を定量分析することを特徴とする請求項2乃至請求項5のいずれか1項に記載のシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた定量分析法。
- 多孔性のSiO2粒子に3次元高分子鎖を重合したシリカ/ポリマー複合体に、イミノ二酢酸二ナトリウム−水和物を含浸担持させたシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材をカラムに充填する充填工程と、
前記カラムに海水を通液することで、前記シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材に海水中の金属元素を吸着させて回収する回収工程と、を含むシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた微量金属元素の回収方法において、
前記シリカ/ポリマー複合型イミノ二酢酸系キレート吸着材は、所定量の前記シリカ/ポリマー複合体と、前記イミノ二酢酸二ナトリウム−水和物と、純水とを容器に投入し、一定の温度を保ち攪拌することで得られることを特徴とするシリカ/ポリマー複合型イミノ二酢酸系キレート吸着材を用いた微量金属元素の回収方法。
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US4423159A (en) * | 1982-05-05 | 1983-12-27 | The United States Of America As Represented By The United States Department Of Energy | Phenolic cation exchange resin material for recovery of cesium and strontium |
JPS61195400A (ja) * | 1985-02-25 | 1986-08-29 | 東京電力株式会社 | 放射性核種を含有する廃液の処理方法 |
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