Construction of Removel System of Cesium Ion by Cosedimentation with Organic Macrocyclic Molecules
| Project/Area Number |
24651084
|
|---|
| Research Category |
Grant-in-Aid for Challenging Exploratory Research
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Environmental technology/Environmental materials
|
|---|
| Research Institution | Waseda University |
|---|
Principal Investigator |
|
|---|
| Project Period (FY) |
2012-04-01 – 2014-03-31
|
| Project Status |
Completed (Fiscal Year 2013)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
|
|---|
| Keywords | 環境材料 / 環境修復技術 / 高分子合成 / セシウムイオン / クラウンエーテル / カリックスアレーン / ポリイミド / ナノ材料 / 除染 / ポリイミド薄膜 / ナノシート |
|---|
| Research Abstract |
By the accident of Fukushima Daiichi nuclear power plant at March 11, 2011, highly concentrated radioactive materials were strewn in the environment. Removal of radioactive cesium has become a serious issue. In this study, we prepared an organic macrocyclic compound for cesium ion capturing by complexation and cosedimentation.
In 2012, the several candidates were screened by an ESI-MS-CAD method and one compound was designed and synthesized. In 2013, the compound was synthesized in a large scale to successfully obtain a polyamide with high molecular weight. Then we prepared a thin film with a high dense cesium ion binding sites and evaluated the trapping ability and ion-selectivity by using a QCM method,and the association constant and partition coefficient by an IPC-MS method. Though the ion-selectivity was inferior to that of inorganic cesium ion adsorbents, the trapping ability is equivalent and seemed to be a good material that would have the reducing volume effect by incineration.
|
Report
(3 results)
Research Products
(4 results)
