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Journal Articles

Dissolution behavior of slag in cement-equilibrated aqueous solutions

Maeda, Toshikatsu; Bamba, Tsunetaka*; Mizuno, Tsuyoshi*; Terakado, Shogo; Kitagawa, Isamu; Numata, Masami

Haikibutsu Gakkai Rombunshi, 17(4), p.271 - 281, 2006/07

no abstracts in English

Journal Articles

Dissolution behavior of slag in the presence of cement

Maeda, Toshikatsu; Bamba, Tsunetaka*; Hotta, Katsutoshi*; Mizuno, Tsuyoshi*; Ozawa, Tatsuya

Nippon Genshiryoku Gakkai Wabun Rombunshi, 4(4), p.242 - 247, 2005/12

no abstracts in English

Journal Articles

Study on dissolution behavior of molten solidified waste

Mizuno, Tsuyoshi*; Maeda, Toshikatsu; Bamba, Tsunetaka*

JAERI-Conf 2005-007, p.225 - 229, 2005/08

no abstracts in English

Journal Articles

Effects of basicity and leachant pH on the dissolution rates of molten slag

Maeda, Toshikatsu; Bamba, Tsunetaka*; Mizuno, Tsuyoshi*

Haikibutsu Gakkai Rombunshi, 15(1), p.45 - 51, 2004/01

no abstracts in English

Journal Articles

Characterization of solidified products yielded by plasma melting treatment of simulated non-metallic radioactive wastes

Nakashima, Mikio; Fukui, Toshiki*; Nakashio, Nobuyuki; Isobe, Motoyasu*; Otake, Atsushi*; Wakui, Takuji*; Hirabayashi, Takakuni*

Journal of Nuclear Science and Technology, 39(6), p.687 - 694, 2002/06

 Times Cited Count:12 Percentile:36.27(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Study on melting coditions of radioactive miscellaneous solid waste (Contract research)

Fukui, Toshiki; Nakashio, Nobuyuki; Isobe, Motoyasu; Otake, Atsushi*; Wakui, Takuji*; Hirabayashi, Takakuni*; Nakashima, Mikio

JAERI-Review 2000-033, 82 Pages, 2001/02

JAERI-Review-2000-033.pdf:2.61MB

no abstracts in English

JAEA Reports

Physico-chemical studies on the disposal of miscellaneous radioactive waste through A single-step process (III)

Iwase, Masanori*

JNC-TJ8400 2000-063, 78 Pages, 2000/03

JNC-TJ8400-2000-063.pdf:1.93MB

This study is aimed at controlling oxidation reaction of molten metal by ash in incineration systems, and at positively utilizing the oxidation reaction for decontamination of slag. In this year, in order to investigate physico-chemical properties of mixed fused salt containing alkali sulfates, with special focus on the behaviour of oxygen anion in the melts, Cu$$^{2+}$$ / Cu$$^{+}$$ redox equilibrium experiments were carried out. Among the effect of various parameters on Cu$$^{2+}$$ / Cu$$^{+}$$ ratio in binary and ternary alkali sulfate melts, the effect of partial pressures of oxygen and SO$$_{2}$$ was mainly investigated in the study. Variation in Cu$$^{2+}$$ / Cu$$^{+}$$ ratio were presented as the function of partial pressures of oxygen and SO$$_{2}$$, respectively. Possible thermodynamic interpretation were made on the experimental results. In addition, the dissolution of Cr$$_{2}$$O$$_{3}$$ in mixed alkali sulfates were also investigated as a first step to elucidate the mechanism of hot corrosion. With this investigation, an important finding was obtained that the solubility of Cr$$_{2}$$O$$_{3}$$ for melts with same average ionic radius, in other words, oxygen ion activity, were essentially identical under constant temperature and atmosphere.

JAEA Reports

None

JNC-TN6450 99-001, 39 Pages, 1999/01

JNC-TN6450-99-001.pdf:1.85MB

Journal Articles

Effects of phantom size and material on calibration of photon individual dosimeters

Takahashi, Fumiaki; Yoshizawa, Michio; Yamaguchi, Yasuhiro

Radioisotopes, 47(1), p.29 - 33, 1998/01

no abstracts in English

JAEA Reports

None

Myochin, Munetaka; Iwase, Masanori*

PNC-TY8604 96-001, 32 Pages, 1996/03

PNC-TY8604-96-001.pdf:1.24MB

no abstracts in English

Journal Articles

Radionuclide transport behavior during melting and ingot making of ferrous waste

*; Nakamura, Hisashi; Kanazawa, Katsuo; Fujiki, Kazuo; *

Chuzo Kogaku, 68(8), p.644 - 649, 1996/00

no abstracts in English

JAEA Reports

None

; ; ; ; ; Terunuma, Seiichi

PNC-TN9420 95-011, 13 Pages, 1994/10

PNC-TN9420-95-011.pdf:8.44MB

None

JAEA Reports

None

*;

PNC-TN6510 94-001, 19 Pages, 1994/09

PNC-TN6510-94-001.pdf:0.65MB

no abstracts in English

JAEA Reports

None

; Asano, Tomohiro; *

PNC-TN7420 92-018, 53 Pages, 1992/06

PNC-TN7420-92-018.pdf:1.4MB

None

JAEA Reports

Experimental study on two-phase flow regime transition from stratified to slug flow in a large-height horizontal duct

; Nakamura, Hideo; Anoda, Yoshinari; Kukita, Yutaka

JAERI-M 92-016, 38 Pages, 1992/02

JAERI-M-92-016.pdf:1.6MB

no abstracts in English

JAEA Reports

None

PNC-TJ1615 91-002, 14 Pages, 1991/03

PNC-TJ1615-91-002.pdf:1.89MB

None

Journal Articles

Horizontal flow regime transition in a large-height long duct

Nakamura, Hideo; ; Anoda, Yoshinari; Kukita, Yutaka

Proc. of the Int. Conf. on Multiphase Flows 91-TSUKUBA,Vol. 1, p.11 - 14, 1991/00

no abstracts in English

JAEA Reports

Shock structural response of cylindrical vessel with slow explosive

Tanzawa, Sadamitsu; ; *

JAERI-M 90-159, 80 Pages, 1990/09

JAERI-M-90-159.pdf:1.75MB

no abstracts in English

Journal Articles

Effect of pressure on slugging in steam/water two-phase flow in a large diameter horizontal pipe

; ; ; Koizumi, Yasuo; Tasaka, Kanji

Proc.2nd Int.Topical Meeting on Nuclear Power Plant Thermal Hydraulics and Operations, p.1 - 102, 1986/00

no abstracts in English

Journal Articles

Introduction to Reactor Safety(10)

;

Genshiryoku Kogyo, 20(6), p.68 - 74, 1974/06

no abstracts in English

Oral presentation

Chemical state analysis for melting process of waste probed by synchrotron radiation

Okamoto, Yoshihiro; Osugi, Takeshi; Shiwaku, Hideaki

no journal, , 

Chemical states of cesium in clay minerals heat-treated at a high temperature and in refractory material which was immersed in molten slag were investigated by X-ray absorption fine structure (XAFS) analysis. Although the coordination structure of adsorbed cesium was different between illite and vermiculite, it became the similar structure at the high temperature each other. The chemical state of cesium accumulated in the brick was clearly different from that in slag. The EXAFS function obtained from the brick was almost the same as that of the molten clay minerals containing cesium.

21 (Records 1-20 displayed on this page)