<P><B>Abstract</B></P> <P>Ten electrolytic reduction or oxide reduction (OR) runs of a 0.6 kg scale-simulated oxide fuel in a Li<SUB>2</SUB>O-LiCl molten salt at 650 °C were conducted using metal anode sh...
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https://www.riss.kr/link?id=A107512805
2017
-
SCI,SCIE,SCOPUS
학술저널
1-8(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>Ten electrolytic reduction or oxide reduction (OR) runs of a 0.6 kg scale-simulated oxide fuel in a Li<SUB>2</SUB>O-LiCl molten salt at 650 °C were conducted using metal anode sh...
<P><B>Abstract</B></P> <P>Ten electrolytic reduction or oxide reduction (OR) runs of a 0.6 kg scale-simulated oxide fuel in a Li<SUB>2</SUB>O-LiCl molten salt at 650 °C were conducted using metal anode shrouds. During this procedure, an anode shroud surrounds a platinum anode and discharges hot oxygen gas from the salt to outside of the OR apparatus, thereby preventing corrosion of the apparatus. In this study, a number of anode shrouds made of various metals were tested. Each metallic anode shroud consisted of a lower porous shroud for the salt phase and an upper nonporous shroud for the gas phase. A stainless steel (STS) wire mesh with five-ply layer was a material commonly used for the lower porous shroud for the OR runs. The metals tested for the upper nonporous shroud in the different OR runs are STS, nickel, and platinum- or silver-lined nickel. The lower porous shroud showed no significant damage during two consecutive OR runs, but exhibited signs of damage from three or more runs due to thermal stress. The upper nonporous shrouds made up of either platinum- or silver-lined nickel showed excellent corrosion resistance to hot oxygen gas while STS or nickel without any platinum or silver lining exhibited poor corrosion resistance.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Electrolytic reduction runs of a 0.6 kg scale-simulated oxide fuel in a Li<SUB>2</SUB>O-LiCl molten salt at 650 °C were conducted using metal anode shrouds. </LI> <LI> Each metallic anode shroud consisted of a lower porous shroud for the salt phase and an upper nonporous shroud for the gas phase. </LI> <LI> The upper nonporous shrouds made up of noble metal-lined nickel showed excellent corrosion resistance to hot oxygen gas. </LI> </UL> </P>