The Experts below are selected from a list of 312 Experts worldwide ranked by ideXlab platform
Junzo Tanaka - One of the best experts on this subject based on the ideXlab platform.
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Novel Long-Term Immobilization Method for Radioactive Iodine-129 Using a Zeolite/Apatite Composite Sintered Body
ACS applied materials & interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
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novel long term immobilization method for radioactive iodine 129 using a zeolite apatite composite sintered body
ACS Applied Materials & Interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
Yujiro Watanabe - One of the best experts on this subject based on the ideXlab platform.
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Novel Long-Term Immobilization Method for Radioactive Iodine-129 Using a Zeolite/Apatite Composite Sintered Body
ACS applied materials & interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
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novel long term immobilization method for radioactive iodine 129 using a zeolite apatite composite sintered body
ACS Applied Materials & Interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
Hirohisa Yamada - One of the best experts on this subject based on the ideXlab platform.
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Novel Long-Term Immobilization Method for Radioactive Iodine-129 Using a Zeolite/Apatite Composite Sintered Body
ACS applied materials & interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
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novel long term immobilization method for radioactive iodine 129 using a zeolite apatite composite sintered body
ACS Applied Materials & Interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
Toshiyuki Ikoma - One of the best experts on this subject based on the ideXlab platform.
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Novel Long-Term Immobilization Method for Radioactive Iodine-129 Using a Zeolite/Apatite Composite Sintered Body
ACS applied materials & interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
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novel long term immobilization method for radioactive iodine 129 using a zeolite apatite composite sintered body
ACS Applied Materials & Interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
Yu Komatsu - One of the best experts on this subject based on the ideXlab platform.
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Novel Long-Term Immobilization Method for Radioactive Iodine-129 Using a Zeolite/Apatite Composite Sintered Body
ACS applied materials & interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
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novel long term immobilization method for radioactive iodine 129 using a zeolite apatite composite sintered body
ACS Applied Materials & Interfaces, 2009Co-Authors: Yujiro Watanabe, Toshiyuki Ikoma, Hirohisa Yamada, Yasushi Suetsugu, Yu Komatsu, Geoffrey W. Stevens, Yusuke Moriyoshi, Junzo TanakaAbstract:The amount of radioactive iodine generated from Nuclear power plants is expected to increase with the proliferation of Nuclear Energy Production, and long-term immobilization methods for such radioactive elements need to be developed to make Nuclear Energy sustainable. The standard immobilization method of radioactive elements, vitrification, is not very effective for radioactive iodine-129 because of the low solubility of iodine in silicate melts, its very high volatility at standard vitrification process temperatures, and its instability in the alkaline environment of deep geological layers below 300 m. We have developed a novel three-phase ceramic composite produced by a sintering process. Iodine adsorbed onto Ca-type zeolite A was covered with a hydroxyapatite nanolayer through the exchange reaction of ammonium with calcium. Clusters of iodine of 30 nm within the zeolite structure were found to be thermally stable up to 1253 K because of the partial blockage of the α-cage apertures by ammonium ions an...
