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Sorption and desorption of tritiated water vapor on piping materials of nuclear fusion reactor

Abstract

Sorption and desorption of D{sub 2}O on Cr{sub 2}O{sub 3}, NiO, SS316 powders were studied at ambient temperature. When D{sub 2}O were contacted with samples after drying at 303K, broad peak was observed at 2100-2700cm{sup -1} on Cr{sub 2}O{sub 3} and NiO. Sorption and desorption rate depended on wave numbers. Isotope exchange rate with H{sub 2}O vapor was faster than dry desorption rate. By heating pretreatment, sorption amount and desorption rate for Cr{sub 2}O{sub 3} and NiO decreased. For SS316, broad peak was observed only after heating pretreatment at 673K. (author)
Authors:
Tanaka, Satoru; Ohmori, Rumi [1] 
  1. Tokyo Univ. (Japan). Faculty of Engineering
Publication Date:
Oct 01, 1996
Product Type:
Technical Report
Report Number:
UTNL-R-0345
Reference Number:
SCA: 700480; PA: JPN-97:005055; EDB-97:089444; SN: 97001800659
Resource Relation:
Other Information: PBD: Oct 1996; Related Information: Is Part Of Annual report of the CTR Blanket Engineering Research Facility in 1995; PB: 168 p.
Subject:
70 PLASMA PHYSICS AND FUSION; THERMONUCLEAR REACTOR MATERIALS; SORPTIVE PROPERTIES; HYDROGEN ISOTOPES; SORPTION; DESORPTION; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0400-1000 K
OSTI ID:
489218
Research Organizations:
Tokyo Univ., Tokai, Ibaraki (Japan). Nuclear Engineering Research Lab.
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE97736275; TRN: JP9705055
Availability:
OSTI as DE97736275
Submitting Site:
JPN
Size:
pp. 63-64
Announcement Date:
Jul 11, 1997

Citation Formats

Tanaka, Satoru, and Ohmori, Rumi. Sorption and desorption of tritiated water vapor on piping materials of nuclear fusion reactor. Japan: N. p., 1996. Web.
Tanaka, Satoru, & Ohmori, Rumi. Sorption and desorption of tritiated water vapor on piping materials of nuclear fusion reactor. Japan.
Tanaka, Satoru, and Ohmori, Rumi. 1996. "Sorption and desorption of tritiated water vapor on piping materials of nuclear fusion reactor." Japan.
@misc{etde_489218,
title = {Sorption and desorption of tritiated water vapor on piping materials of nuclear fusion reactor}
author = {Tanaka, Satoru, and Ohmori, Rumi}
abstractNote = {Sorption and desorption of D{sub 2}O on Cr{sub 2}O{sub 3}, NiO, SS316 powders were studied at ambient temperature. When D{sub 2}O were contacted with samples after drying at 303K, broad peak was observed at 2100-2700cm{sup -1} on Cr{sub 2}O{sub 3} and NiO. Sorption and desorption rate depended on wave numbers. Isotope exchange rate with H{sub 2}O vapor was faster than dry desorption rate. By heating pretreatment, sorption amount and desorption rate for Cr{sub 2}O{sub 3} and NiO decreased. For SS316, broad peak was observed only after heating pretreatment at 673K. (author)}
place = {Japan}
year = {1996}
month = {Oct}
}