JP2018511035A - 放射性核種を除去するための組成物および方法 - Google Patents
放射性核種を除去するための組成物および方法 Download PDFInfo
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- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
-
- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/12—Processing by absorption; by adsorption; by ion-exchange
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- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
Claims (18)
- 放射性核種と反応して放射性核種を除去するヘマトコッカス属微細藻類を含むことを特徴とする、組成物。
- 前記ヘマトコッカス属微細藻類がヘマトコッカス・プルビアリスであることを特徴とする、請求項1に記載の組成物。
- 前記放射性核種がセシウム(Cesium−137)またはストロンチウム(Strontium−90)であることを特徴とする、請求項1に記載の組成物。
- 前記放射性核種とヘマトコッカス属微細藻類との反応がpH7.1乃至9の条件で行われることを特徴とする、請求項1に記載の組成物。
- 前記組成物は、放射性核種を80乃至90%除去することを特徴とする、請求項1に記載の組成物。
- 前記ヘマトコッカス属微細藻類には、増殖及び成熟したヘマトコッカス属微細藻類が使用されることを特徴とする、請求項1に記載の組成物。
- 前記ヘマトコッカス属微細藻類は、パルメラ状態まで細胞分裂するように培養して増殖し、その後に細胞分裂を停止し、細胞が成長して細胞内に物質を蓄積するように培養して成熟することを特徴とする、請求項6に記載の組成物。
- 前記ヘマトコッカス属微細藻類を、培地を用いて常温でパルメラ状態まで強度40乃至60μmolm−2s−1の蛍光灯条件で明期12乃至16時間と暗期8乃至12時間の明暗周期で培養して増殖させることを特徴とする、請求項7に記載の組成物。
- 前記ヘマトコッカス属微細藻類が増殖した後、培地を除去し、洗浄した後、2乃至4mM NaHCO3溶液で取り替え、しかる後に、赤色LEDで146〜151.14μmolm−2s−1の強度で40乃至80時間培養して1次成熟させ、次いで青色LEDで12〜15μmolm−2s−1の強度で8乃至12日間培養して2次成熟させることを特徴とする、請求項8に記載の組成物。
- ヘマトコッカス属微細藻類を放射性核種と反応させて放射性核種を除去する反応段階を含むことを特徴とする、放射性核種の除去方法。
- 前記ヘマトコッカス属微細藻類がヘマトコッカス・プルビアリスであることを特徴とする、請求項10に記載の放射性核種の除去方法。
- 前記放射性核種がセシウム(Cesium−137)またはストロンチウム(Strontium−90)であることを特徴とする、請求項10に記載の放射性核種の除去方法。
- 前記反応段階がpH7.1乃至9の条件で行われることを特徴とする、請求項10に記載の放射性核種の除去方法。
- 前記放射性核種の除去方法において、放射性核種が80乃至90%除去されることを特徴とする、請求項10に記載の放射性核種の除去方法。
- 前記放射性核種の除去方法は、微細藻類を増殖および成熟させる培養段階をさらに含むことを特徴とする、請求項10に記載の放射性核種の除去方法。
- 前記培養段階は、
ヘマトコッカス属微細藻類が細胞分裂して増殖するように培養する増殖段階と、
前記増殖段階の後にヘマトコッカス属微細藻類が細胞分裂を停止し、細胞が成長して細胞内に物質を蓄積するように培養する成熟段階とを含むことを特徴とする、請求項15に記載の放射性核種の除去方法。 - 前記増殖段階は、
ヘマトコッカス属微細藻類を、培地を用いて常温でパルメラ状態まで強度40乃至60μmolm−2s−1の蛍光灯条件で明期12乃至16時間と暗期8乃至12時間の明暗周期で培養して行われることを特徴とする、請求項16に記載の放射性核種の除去方法。 - 前記成熟段階は、
前記増殖段階の後に培地を除去し、洗浄した後、2乃至4mM NaHCO3溶液で取り替え、しかる後に、赤色LEDで146〜151.14μmolm−2s−1の強度で40乃至80時間培養する第1成熟段階と、
前記第1成熟段階の後に青色LEDで12乃至15μmolm−2s−1の強度で8乃至12日間培養する第2成熟段階とを含むことを特徴とする、請求項17に記載の放射性核種の除去方法。
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KR1020150015067A KR101688305B1 (ko) | 2015-01-30 | 2015-01-30 | 방사성 핵종을 제거하기 위한 조성물 및 방법 |
KR10-2015-0015067 | 2015-01-30 | ||
PCT/KR2016/000884 WO2016122207A1 (ko) | 2015-01-30 | 2016-01-27 | 방사성 핵종을 제거하기 위한 조성물 및 방법 |
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JP2013519369A (ja) * | 2010-02-12 | 2013-05-30 | コミッサリア ア レネルジ アトミック エ オー エネルジ アルターネイティブス | 新規な放射線抵抗性のコッコミクサ属藻類 |
JP2014006051A (ja) * | 2012-06-21 | 2014-01-16 | Univ Of Tsukuba | 放射性同位元素の除去剤および除去方法 |
US20150004674A1 (en) * | 2013-07-01 | 2015-01-01 | Sogang University Research Foundation | Method for removing radionuclides using microalgae |
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JP4247409B2 (ja) * | 2004-04-28 | 2009-04-02 | 独立行政法人放射線医学総合研究所 | 微生物を用いた放射性物質の除去方法及び除去組成物 |
KR101384454B1 (ko) * | 2012-02-14 | 2014-05-07 | 전남대학교산학협력단 | 스트론튬 고정 방법 및 이를 위한 조성물 |
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JP2014006051A (ja) * | 2012-06-21 | 2014-01-16 | Univ Of Tsukuba | 放射性同位元素の除去剤および除去方法 |
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