Characteristics of Bundle-Shaped Fiber Adsorbent Containing Amidoxime Groups with Respect to the Repetitive Adsorption-Desorption of Uranium
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- TAKAGI Norio
- Shikoku National Industrial Research Institute
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- HIROTSU Takahiro
- Shikoku National Industrial Research Institute
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- SONODA Akinari
- Shikoku National Industrial Research Institute
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- SAKAKIBARA Jitsuo
- Shikoku National Industrial Research Institute
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- KATOH Shunsaku
- Shikoku National Industrial Research Institute
Bibliographic Information
- Other Title
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- 結束アミドキシム型繊維吸着剤の繰り返しウラン吸・脱着特性
- ケッソク アミドキシムガタ センイ キュウチャクザイ ノ クリカエシ ウランキ
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Abstract
We examined the properties of bundle-shaped fiber adsorbent containing amidoxime groups (AO-bundle) with respect to its uranium desorption and repetitive adsorption-desorption of uranium. Uranium on AO-bundles was readily eluted by means of a column method with 1M HCl, the extent of elution reaching 75% with 4 bed volumes of the eluate at a space velocity of 1h-1. The uranium adsorptivity of the AO-bundles decreased with an increase in the treatment time of 1M HCl, due to hydrolysis of weak-basic groups. In repetitive uranium adsorption (for 14 days by means of column method)-desorption (for 5 hours by means of batch method), the uranium adsorptivity of AO-bundles gradually decreased with the repetition number; and the adsorptivity after 5 repetitions was 70% that of the original AO-bundles. The AO-bundle showed high physical stability over repetitive usage. Therefore, longer adsorption and shorter elution with acid is very effective for repetitive uranium adsorption-desorption of the AO-bundle.
Journal
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- Bulletin of the Society of Sea Water Science, Japan
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Bulletin of the Society of Sea Water Science, Japan 52 (3), 177-183, 1998
The Society of Sea Water Science, Japan
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Details 詳細情報について
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- CRID
- 1390282680428285696
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- NII Article ID
- 10008282155
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- NII Book ID
- AN0018645X
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- COI
- 1:CAS:528:DyaK1cXjslartb8%3D
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- NDL BIB ID
- 4474721
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- ISSN
- 03694550
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed