Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-3 Decommissioning Technology of Nuclear Facilities

[1A09-14] Treatment Technology of Concrete and Metal

Tue. Mar 26, 2024 2:45 PM - 4:20 PM Room A (21Bildg.2F 21-203)

Chair:Yukihiro IGUCHI(Univ. of Fukui)

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2:45 PM - 3:00 PM

[1A09] Management of non-radioactive waste in concrete dismantlement

*Keisuke Toda¹, Koji Ando¹, Haruhiko Kadowaki¹, Masashi Tezuka¹, Takumi Hatakeyama¹, Takeshi Iekura¹, Akira Matsushima¹ (1. Japan Atomic Energy Agency)

3:00 PM - 3:15 PM

[1A10] Volume reduction of concrete contaminated by ¹⁴CO₂

(3) The amount of vaporization for ¹⁴CO₂ during concrete debris is heated

*Norikazu Kinoshita¹, Hitoshi Nakashima¹, Akira Saito¹, Hayato Takeshita¹, Koki Sakita¹, Kazuyuki Torii¹, Yuki Sasaki¹, Mamoru Hanzawa¹, Aya Sakaguchi² (1. Shimizu, 2. Univ. of Tsukuba)

3:15 PM - 3:30 PM

[1A11] Volume reduction of concrete contaminated by ¹⁴CO₂

(4) Removal of deposit from surface aggregate after rubbing

*Hitoshi Nakashima¹, Norikazu Kinoshita¹, Akira Saito¹, Hayato Takeshita¹, Koki Sakita¹, Kazuyuki Torii¹, Yuki Sasaki¹, Mamoru Hanzawa¹ (1. SHIMIZU CORPORATION)

3:30 PM - 3:45 PM

[1A12] Processing of concrete surface removal by high power density and rapid CW laser irradiation

*Satoshi Ishihara¹, Haruo Nagamine¹, Ryosuke Sato² (1. TAISEI CORPORATION, 2. Toyo Union)

3:45 PM - 4:00 PM

[1A13] Development of high-power density, high-speed scanning laser decontamination technology

(1) Experimental evaluation of metal surface delamination

*Atsushi Kosuge¹ (1. JAEA)

4:00 PM - 4:15 PM

[1A14] Development of high-power density, high-speed scanning laser decontamination technology

(2) Analytical evaluation of metal surface delamination

*Naoyuki Kisohara¹, Yuji Aoyagi², Toshihiro Taguchi¹ (1. Japan Atomic Energy Agency, 2. NESI Inc.)

Time reserved for Chair (4:15 PM - 4:20 PM)

Session information

[1A09-14] Treatment Technology of Concrete and Metal

[1A09] Management of non-radioactive waste in concrete dismantlement

[1A10] Volume reduction of concrete contaminated by ¹⁴CO₂

(3) The amount of vaporization for ¹⁴CO₂ during concrete debris is heated

[1A11] Volume reduction of concrete contaminated by ¹⁴CO₂

(4) Removal of deposit from surface aggregate after rubbing

[1A12] Processing of concrete surface removal by high power density and rapid CW laser irradiation

[1A13] Development of high-power density, high-speed scanning laser decontamination technology

(1) Experimental evaluation of metal surface delamination

[1A14] Development of high-power density, high-speed scanning laser decontamination technology

(2) Analytical evaluation of metal surface delamination

Authentication

Session information

[1A09-14] Treatment Technology of Concrete and Metal

[1A09] Management of non-radioactive waste in concrete dismantlement

[1A10] Volume reduction of concrete contaminated by 14CO2

(3) The amount of vaporization for 14CO2 during concrete debris is heated

[1A11] Volume reduction of concrete contaminated by 14CO2

(4) Removal of deposit from surface aggregate after rubbing

[1A12] Processing of concrete surface removal by high power density and rapid CW laser irradiation

[1A13] Development of high-power density, high-speed scanning laser decontamination technology

(1) Experimental evaluation of metal surface delamination

[1A14] Development of high-power density, high-speed scanning laser decontamination technology

(2) Analytical evaluation of metal surface delamination

Authentication

[1A10] Volume reduction of concrete contaminated by ¹⁴CO₂

(3) The amount of vaporization for ¹⁴CO₂ during concrete debris is heated

[1A11] Volume reduction of concrete contaminated by ¹⁴CO₂