Latent Thermal Storage Using Sodium Hydroxide-Based Molten Salts. —Compatibility of molten salts—

Yoshiyuki Abe; Yoshio Takahashi; Ryuji Sakamoto; Katsuhiko Kanari; Kotaro Tanaka; Masayuki Kamimoto; Takeo Ozawa

doi:10.1252/kakoronbunshu.15.977

Latent Thermal Storage Using Sodium Hydroxide-Based Molten Salts. —Compatibility of molten salts—

Yoshiyuki Abe, Yoshio Takahashi, Ryuji Sakamoto, Katsuhiko Kanari, Kotaro Tanaka, Masayuki Kamimoto, Takeo Ozawa

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Although binary mixtures of sodium hydroxide-sodium nitrate and sodium hydroxide-sodium nitrite are promising materials for latent thermal storage in the 200~300°C temperature range, one of the most critical problems for application is the compatibility of these molten salts with metallic materials. The present paper first gives experimental results for compatibility tests on ten different metals at 350°C for up to 4,000 hours. The compatibility study further focussed on the effect of impurity on carbon steels in tests performed at 350°C for up to 10,000 hours. The experimental results showed that carbon steels has the best compatibility with these particular molten salts, and that the content of sodium chloride in the salts has a significant influence on corrosion behavior.

Original language	English
Pages (from-to)	977-984
Number of pages	8
Journal	Kagaku Kogaku Ronbunshu
Volume	15
Issue number	5
DOIs	https://doi.org/10.1252/kakoronbunshu.15.977
Publication status	Published - 1989
Externally published	Yes

Keywords

Corrosion
Energy
High Temperature
Latent Heat
Molten Salt
Sodium Hydroxide
Thermal Storage

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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title = "Latent Thermal Storage Using Sodium Hydroxide-Based Molten Salts. —Compatibility of molten salts—",

abstract = "Although binary mixtures of sodium hydroxide-sodium nitrate and sodium hydroxide-sodium nitrite are promising materials for latent thermal storage in the 200~300°C temperature range, one of the most critical problems for application is the compatibility of these molten salts with metallic materials. The present paper first gives experimental results for compatibility tests on ten different metals at 350°C for up to 4,000 hours. The compatibility study further focussed on the effect of impurity on carbon steels in tests performed at 350°C for up to 10,000 hours. The experimental results showed that carbon steels has the best compatibility with these particular molten salts, and that the content of sodium chloride in the salts has a significant influence on corrosion behavior.",

keywords = "Corrosion, Energy, High Temperature, Latent Heat, Molten Salt, Sodium Hydroxide, Thermal Storage",

author = "Yoshiyuki Abe and Yoshio Takahashi and Ryuji Sakamoto and Katsuhiko Kanari and Kotaro Tanaka and Masayuki Kamimoto and Takeo Ozawa",

year = "1989",

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publisher = "Society of Chemical Engineers, Japan",

number = "5",

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T1 - Latent Thermal Storage Using Sodium Hydroxide-Based Molten Salts. —Compatibility of molten salts—

AU - Abe, Yoshiyuki

AU - Takahashi, Yoshio

AU - Sakamoto, Ryuji

AU - Kanari, Katsuhiko

AU - Tanaka, Kotaro

AU - Kamimoto, Masayuki

AU - Ozawa, Takeo

PY - 1989

Y1 - 1989

N2 - Although binary mixtures of sodium hydroxide-sodium nitrate and sodium hydroxide-sodium nitrite are promising materials for latent thermal storage in the 200~300°C temperature range, one of the most critical problems for application is the compatibility of these molten salts with metallic materials. The present paper first gives experimental results for compatibility tests on ten different metals at 350°C for up to 4,000 hours. The compatibility study further focussed on the effect of impurity on carbon steels in tests performed at 350°C for up to 10,000 hours. The experimental results showed that carbon steels has the best compatibility with these particular molten salts, and that the content of sodium chloride in the salts has a significant influence on corrosion behavior.

AB - Although binary mixtures of sodium hydroxide-sodium nitrate and sodium hydroxide-sodium nitrite are promising materials for latent thermal storage in the 200~300°C temperature range, one of the most critical problems for application is the compatibility of these molten salts with metallic materials. The present paper first gives experimental results for compatibility tests on ten different metals at 350°C for up to 4,000 hours. The compatibility study further focussed on the effect of impurity on carbon steels in tests performed at 350°C for up to 10,000 hours. The experimental results showed that carbon steels has the best compatibility with these particular molten salts, and that the content of sodium chloride in the salts has a significant influence on corrosion behavior.

KW - Corrosion

KW - Energy

KW - High Temperature

KW - Latent Heat

KW - Molten Salt

KW - Sodium Hydroxide

KW - Thermal Storage

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