Oral presentation

[1L01-07] Waste, Waste Package

Mon. Mar 26, 2018 10:05 AM - 12:00 PM Room L (M1-311 -M1 Building)

Chair: Tamotsu Kozaki (Hokkaido Univ.)

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10:05 AM - 10:20 AM

[1L01] Dissolution Behavior of BPI Glass in bentonaite by column flow-through test

*Takahiro Kikuchi¹, Yasuhiro Suzuki¹, Atsushi Mukunoki¹ (1. JGC corporation)

10:20 AM - 10:35 AM

[1L02] Effect of interaction between carbon steel and simulated glass on glass dissolution behavior

*TAKAHIRO GOTO¹, RYUTA MATSUBARA¹, TAKAFUMI HAMAMOTO¹, KIYOSHI FUJISAKI¹, SEIICHIRO MITSUI², NAOKI TANIGUCHI² (1. Nuclear Waste Management Organization of Japan(NUMO), 2. Japan Atomic Energy Agency(JAEA))

10:35 AM - 10:50 AM

[1L03] Study on Dissolution of Vitrified Waste under the Existence of Magnesium Ion

*TAKAHIKO ICHIKI¹, Kenya Kakuta², Kouichi Watanabe¹, Toshikatsu Maeda¹ (1. JAEA, 2. Hokkaido University)

10:50 AM - 11:05 AM

[1L04] Analysis of neutron field on geological repository of various high-level radioactive waste

(2)Verification of neutron field analysis system for disposal site

Daiki Maeda¹, *Atsushi Sekiguchi¹, Naoto Aizawa¹, Tomohiko Iwasaki¹ (1. Tohoku Univ.)

11:05 AM - 11:20 AM

[1L05] Effect of Heat Conductivity and Formation of Gas Voids Model on Energy Released by Criticality Accident in Direct Disposal of Spent Nuclear Fuel

Tomoaki Kobayashi¹, *Hideyuki Machiya¹, Naoto Aizawa¹, Tomohiko Iwasaki¹ (1. Tohoku Univ.)

11:20 AM - 11:35 AM

[1L06] Applicability of original waste analysis method to incineration ash generated from nuclear power plants

*mitsuhi motoyama¹, akira nakamura², yasuhiro takeda², yuji yamazaki³, kei hotori³, kouki ikedo⁴ (1. JGC Nuclear & Environmental Project Department Domestic Infrastructure Project Division, 2. Kansai Electric Power Co., Inc Nuclear Power Division, 3. Tohoku Electric Power Co., Inc Thermal and Nuclear Power Div. Nuclear Power Dep., 4. Chubu Electric Power Company Hamaoka Nuclear Power station )

11:35 AM - 11:50 AM

[1L07] Characteristics of Radioactive Waste Management in Decommissioning Accident-Damaged Reactors

(2)Waste Management in Site Remediation Phase

*Akira Asahara¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. University of Fukui)

Time reserved for Chair （11:50 AM - 12:00 PM）

Oral presentation

[1L08-10] Colloid

Mon. Mar 26, 2018 2:45 PM - 3:35 PM Room L (M1-311 -M1 Building)

Chair: Hitoshi Owada (RWMC)

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2:45 PM - 3:00 PM

[1L08] Influence of types of cements and mineral admixtures on generation of cementitious colloid

*Daisuke Minato¹, Takeshi Yamamoto¹, Tetsuro Sakakihara² (1. Central Research Institute of Electric Power Industry, 2. Shikoku Electric Power Co. Inc)

3:00 PM - 3:15 PM

[1L09] Evaluation of Migration Behavior of Colloids in the Cementitious Materials

(1)Basic Concepts for Evaluation of Migration Behavior of Insoluble C-14

*Tamura Naoyuki¹, Naoki Yoshii¹, Takashi Kozawa¹, Noriyuki Sasaki¹ (1. Development and Engineering Dept, Radioactive Waste Disposal Business Division, Japan Nuclear Fuel Limited)

3:15 PM - 3:30 PM

[1L10] Evaluation of Migration Behavior of Colloids in the Cementitious Materials

(2)Retardation Effect of Cementitious Materials on Latex Colloids

*Kohei Yamaguchi¹, Kyo Komatsu¹, Yosuke Akagi¹, Hisao Satoh¹, Yuki Araki², Hirofumi Yamada², Takumi Saito³, Naoyuki Tamura⁴, Naoki Yoshii⁴, Takashi Kozawa⁴ (1. Mitsubishi Material Co., 2. Kyoto Univ., 3. Tokyo Univ., 4. Japan Nuclear Fuel Ltd.)

Time reserved for Chair （3:30 PM - 3:35 PM）

Oral presentation

[1L11-14] Sorption

Mon. Mar 26, 2018 3:35 PM - 4:40 PM Room L (M1-311 -M1 Building)

Chair: Daisuke Minato (CRIEPI)

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3:35 PM - 3:50 PM

[1L11] Evaluation of Sorption Behavior of Iodine on Ca-Al-Si Hydrate

*Rintaro Nagahora¹, Hayato Onodera¹, Taiji Chida¹, Yuichi Niibori¹ (1. School of Engineering, Tohoku University)

3:50 PM - 4:05 PM

[1L12] Evaluation of sorption behavior of europium on Ca-Al-Si hydrate by fluorescence spectroscopy

*Yayoi Taneichi¹, Taiji Chida¹, Yuichi Niibori¹ (1. Graduate School of Engineering, Tohoku Univ.)

4:05 PM - 4:20 PM

[1L13] Sorption behavior of uranyl ion on metal hydroxides by ATR-FTIR spectroscopy

*Daiki Harumoto¹, Taishi Kobasashi¹, Takayuki Sasaki¹ (1. Department of Nuclear Engineering, Kyoto University)

4:20 PM - 4:35 PM

[1L14] Role of Polymeric Coating of Gold Nanoparticles in their Transport Through Natural Barriers

*Carlos Ordonez¹, Shingo Tanaka², Naoko Watanabe², Tamotsu Kozaki² (1. Graduate School of Engineering Hokkaido University, 2. Faculty of Engineering Hokkaido University)

Time reserved for Chair （4:35 PM - 4:40 PM）

Oral presentation

[1L15-17] Safety Assessment of Near Surface Disposal

Mon. Mar 26, 2018 4:40 PM - 5:30 PM Room L (M1-311 -M1 Building)

Chair: Kiyoshi Fujisaki (NUMO)

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4:40 PM - 4:55 PM

[1L15] Safety Assessment of Near Surface Disposal of Vitrified Secondary Waste from 1F Contaminated Water Treatment

(1)GeoMelt® Vitrification Technology

*Sadaaki Abeta¹, Brett Campbell², Keiji Hara³, Sumio Masuda³ (1. Kurion Japan K.K., 2. Veolia Nuclear Solutions, 3. NSRA)

4:55 PM - 5:10 PM

[1L16] Safety Assessment of Near Surface Disposal of Vitrified Secondary Waste from 1F Contaminated Water Treatment

(2)Waste Forms and Specification of Disposal System

*Kiyoshi Amemiya¹, Sadaaki Abeta², Keiji Hara¹, Sumio Masuda¹ (1. NSRA, 2. Kurion Japan K.K.)

5:10 PM - 5:25 PM

[1L17] Safety Assessment of Near Surface Disposal of Vitrified Secondary Waste from 1F Contaminated Water Treatment

(3)Safety Assessment

*Keiji Hara¹, Sadaaki Abeta², Naoki Zaima¹, Sumio Masuda¹ (1. NSRA, 2. Kurion Japan K.K.)

Time reserved for Chair （5:25 PM - 5:30 PM）

Oral presentation

[2L01-05] Safety Case

Tue. Mar 27, 2018 9:30 AM - 10:50 AM Room L (M1-311 -M1 Building)

Chair: Yaohiro Inagaki (Kyushu Univ.)

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9:30 AM - 9:45 AM

[2L01] Building confidence in the NUMO Safety Case

(1)Assessment of technical suitability by peer review

*Tetsuo Fujiyama¹, Satoru Suzuki¹, Hiroyuki Umeki¹ (1. Nuclear Waste Management Organization of Japan)

9:45 AM - 10:00 AM

[2L02] Building confidence in the NUMO Safety Case

(2)A variety of model groundwater chemistries

*Kunio Ota¹, Takanori Kunimaru¹, Takafumi Hamamoto¹ (1. Nuclear Waste Management Organization of Japan (NUMO))

10:00 AM - 10:15 AM

[2L03] Building confidence in the NUMO Safety Case

(3)Radionuclide migration analyses for a variety of geological settings

*Keisuke Ishida¹, Takafumi Hamamoto¹, Sanae Shibutani¹, Kiyoshi Fujisaki¹, Katsuhiko Ishiguro¹ (1. Nuclear Waste Management Organization of Japan)

10:15 AM - 10:30 AM

[2L04] Building confidence in the NUMO Safety Case

(4)Argument of long-term safety with multiple safety indicators

*Kiyoshi Fujisaki¹, Tetsuo Fujiyama¹, Satoru Suzuki¹, Hiroyuki Umeki¹ (1. Nuclear Waste Management Organization of Japan)

10:30 AM - 10:45 AM

[2L05] Development of Quality Management System for geological investigation (2)

*Saori Yamada¹, Kunio Ota¹, Takanori Kunimaru¹, Stratis Vomvoris², Niels Giroud² (1. Nuclear Waste Management Organization of Japan, 2. Nagra)

Time reserved for Chair （10:45 AM - 10:50 AM）

Oral presentation

[2L06-09] Bentonite

Tue. Mar 27, 2018 10:50 AM - 11:55 AM Room L (M1-311 -M1 Building)

Chair: Daisuke Hayashi (RWMC)

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10:50 AM - 11:05 AM

[2L06] Filling density of backfill material composed of crushed rock and bentonite pellet

*hitoshi nakashima¹, Akira Saito¹, Ryoji Yahagi¹, Okihara Mitsunobu¹, Satohito Toguri¹ (1. Shimizu Corporation)

11:05 AM - 11:20 AM

[2L07] Mesoscopic structures of compacted bentonite studied by small-angle X-ray scattering

*Takumi Saito¹, Natsuki Nagai², Ryuhei Motokawa³, Hitoshi Endo⁴ (1. Nuclear Professional School, School of Engineering, The University of Tokyo, 2. Department of Systems Innovation, Faculty of Engineering, The University of Tokyo, 3. Material Science Research Center, Japan Atomic Energy Agency, 4. Neutron Science Division, Institute of Material Structure Science, High Energy Accelerator Research Organization)

11:20 AM - 11:35 AM

[2L08] A study on ultrasonic measurement for water distribution investigation in compacted bentonite

*Shun Kimura¹, Kazumi Kitayama¹, Kazushi Kimoto², Hideharu Takahashi¹, Katsuyuki Kawamura¹, Hiroshige Kikura¹ (1. Tokyo Tech., 2. Okayama Univ.)

11:35 AM - 11:50 AM

[2L09] Calcium sulfate precipitation enhanced by electric field and consideration of porewater chemistry in compacted bentonite

*Shingo Tanaka¹ (1. Faculty of Engineering, Hokkaido University)

Time reserved for Chair （11:50 AM - 11:55 AM）

Sessions

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-2 Waste Disposal and Its Environmental Aspects

[1L01-07] Waste, Waste Package

(2)Verification of neutron field analysis system for disposal site

(2)Waste Management in Site Remediation Phase

[1L08-10] Colloid

(1)Basic Concepts for Evaluation of Migration Behavior of Insoluble C-14

(2)Retardation Effect of Cementitious Materials on Latex Colloids

[1L11-14] Sorption

[1L15-17] Safety Assessment of Near Surface Disposal

(1)GeoMelt® Vitrification Technology

(2)Waste Forms and Specification of Disposal System

(3)Safety Assessment

[2L01-05] Safety Case

(1)Assessment of technical suitability by peer review

(2)A variety of model groundwater chemistries

(3)Radionuclide migration analyses for a variety of geological settings

(4)Argument of long-term safety with multiple safety indicators

[2L06-09] Bentonite

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