Search Results - "Onuki, Kaoru"

Corrosion resistance of structural materials in high-temperature aqueous sulfuric acids in thermochemical water-splitting iodine–sulfur process by Kubo, Shinji, Futakawa, Masatoshi, Ioka, Ikuo, Onuki, Kaoru, Yamaguchi, Akihisa

“…Very harsh environments exist in the iodine–sulfur process for hydrogen production. Structural materials for sulfuric acid vaporizers and concentrators are…”
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Flowsheet study of the thermochemical water-splitting iodine–sulfur process for effective hydrogen production by Kasahara, Seiji, Kubo, Shinji, Hino, Ryutaro, Onuki, Kaoru, Nomura, Mikihiro, Nakao, Shin-ichi

“…The Japan Atomic Energy Agency (JAEA) is performing research and development on the thermochemical water-splitting iodine–sulfur (IS) process for hydrogen…”
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Development of an electrochemical cell for efficient hydrogen production through the IS process by Nomura, Mikihiro, Nakao, Shin-ichi, Okuda, Hiroyuki, Fujiwara, Seiji, Kasahara, Seiji, Ikenoya, Kazuhiko, Kubo, Shinji, Onuki, Kaoru

“…The Bunsen reaction (SO2 + I2 + 2H2O = H2SO4 + 2HI) was examined by an electrochemical cell featuring a cation‐exchange membrane as the separator, using…”
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A pilot test plan of the thermochemical water-splitting iodine–sulfur process by Kubo, Shinji, Kasahara, Seiji, Okuda, Hiroyuki, Terada, Atsuhiko, Tanaka, Nobuyuki, Inaba, Yoshitomo, Ohashi, Hirofumi, Inagaki, Yoshiyuki, Onuki, Kaoru, Hino, Ryutaro

“…Research and development (R&D) of hydrogen production systems using high-temperature gas-cooled reactors (HTGR) are being conducted by the Japan Atomic…”
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Improvement of the thermochemical water-splitting IS (iodine–sulfur) process by electro-electrodialysis by Hwang, Gab-Jin, Onuki, Kaoru, Nomura, Mikihiro, Kasahara, Seiji, Kim, Jong-Won

“…The electro-electrodialysis (EED) was carried out to improve HI concentration process in the thermochemical water-splitting IS (iodine–sulfur) process. The HI…”
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Development of Hydrogen Production Technology by Thermochemical Water Splitting IS Process: Pilot Test Plan by TERADA, Atsuhiko, IWATSUKI, Jin, ISHIKURA, Shuichi, NOGUCHI, Hiroki, KUBO, Shinji, OKUDA, Hiroyuki, KASAHARA, Seiji, TANAKA, Nobuyuki, OTA, Hiroyuki, ONUKI, Kaoru, HINO, Ryutaro

“…Japan Atomic Energy Agency (JAEA) has been conducting a study on a thermochemical IS process for hydrogen production. A pilot test of IS process is under…”
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Separation of hydrogen from a H2 H2 OHI gaseous mixture using a silica membrane by Hwang, Gab-Jin, Onuki, Kaoru, Shimizu, Saburo

“…Hydrogen separation characteristics of silica membranes prepared by chemical‐vapor deposition (CVD)‐in an H2H2O HI gaseous mixture were evaluated for the…”
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Energy requirement of HI separation from HI–I2–H2O mixture using electro-electrodialysis and distillation by Guo, Hanfei, Kasahara, Seiji, Tanaka, Nobuyuki, Onuki, Kaoru

“…The separation of HI from HI–I2–H2O mixture is an essential subsection of the Iodine–Sulfur (IS) process for thermochemical hydrogen production. The energy…”
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Conceptual design of hydrogen production system with thermochemical water-splitting iodine–sulphur process utilizing heat from the high-temperature gas-cooled reactor HTTR by Sakaba, Nariaki, Kasahara, Seiji, Onuki, Kaoru, Kunitomi, Kazuhiko

“…Japan Atomic Energy Agency (JAEA) has launched the preliminary design of a hydrogen production system based on Japan's first high-temperature gas-cooled…”
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Boiling heat transfer characteristics of a sulfuric-acid flow in thermochemical iodine–sulfur cycle by Noguchi, Hiroki, Terada, Atsuhiko, Onuki, Kaoru, Hino, Ryutaro

“…•We measure the boiling heat transfer coefficients of sulfuric acid solution.•The experimental results are lower than the estimated values for single…”
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Corrosion resistance of structural materials in high-temperature aqueous sulfuric acids in thermochemical water-splitting iodineasulfur process by Kubo, Shinji, Futakawa, Masatoshi, Ioka, Ikuo, Onuki, Kaoru, Yamaguchi, Akihisa

“…Very harsh environments exist in the iodineasulfur process for hydrogen production. Structural materials for sulfuric acid vaporizers and concentrators are…”
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A demonstration study on a closed-cycle hydrogen production by the thermochemical water-splitting iodine–sulfur process by Kubo, Shinji, Nakajima, Hayato, Kasahara, Seiji, Higashi, Syunichi, Masaki, Tomoo, Abe, Hiroyoshi, Onuki, Kaoru

“…Japan Atomic Energy Research Institute (JAERI) has been conducting R&D on thermochemical hydrogen production using the water-splitting iodine–sulfur process,…”
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Membrane performance on electro-electrodialysis of HI–I2–H2O mixture for IS process by Tanaka, Nobuyuki, Yamaki, Tetsuya, Asano, Masaharu, Terai, Takayuki, Onuki, Kaoru

“…Research and development of a water-splitting hydrogen-production method, called the iodine–sulfur (IS) process, has been conducted as one of the heat…”
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Membrane performance on electro-electrodialysis of HI-I sub(2)-H sub(2)O mixture for IS process by Tanaka, Nobuyuki, Yamaki, Tetsuya, Asano, Masaharu, Terai, Takayuki, Onuki, Kaoru

“…Research and development of a water-splitting hydrogen-production method, called the iodine-sulfur (IS) process, has been conducted as one of the heat…”
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Vapor−Liquid Equilibria for the HI + H2O System and the HI + H2O + I2 System by Hodotsuka, Masatoshi, Yang, Xiaoyong, Okuda, Hiroyuki, Onuki, Kaoru

“…Two equilibrium stills have been designed for measuring vapor−liquid equilibria of hydriodic acid and polyhydriodic acid. The acids are so corrosive that the…”
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Simulation Study on the Distillation of Hyper-Pseudoazeotropic HI-I sub(2)-H sub(2)O Mixture by Guo, Hanfei, Kasahara, Seiji, Onuki, Kaoru, Zhang, Ping, Xu, Jingming

“…The iodine-sulfur thermochemical water splitting process (I-S process) is considered to be one of the most promising clean and large-scale hydrogen production…”
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Simulation Study on the Distillation of Hyper-Pseudoazeotropic HI–I 2 –H 2 O Mixture by Guo, Hanfei, Kasahara, Seiji, Onuki, Kaoru, Zhang, Ping, Xu, Jingming

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Simulation study about the effect of pressure on purification of H2SO4 and HIx phases in the iodine–sulfur hydrogen production cycle by Wang, Laijun, Imai, Yoshiyuki, Tanaka, Nobuyuki, Kasahara, Seiji, Kubo, Shinji, Onuki, Kaoru, Chen, Songzhe, Zhang, Ping, Xu, Jingming

“…Among many thermochemical cycle hydrogen production methods, the iodine sulfur (IS) cycle, originally proposed by General Atomics is expected to be a clean,…”
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Fracture strength estimation of SiC block for IS process by Takegami, Hiroaki, Terada, Atsuhiko, Onuki, Kaoru, Hino, Ryutaro

“…► We proposed a strength estimation method for large-scale SiC structure. ► The strength estimation was carried out by using the effective volume and the…”
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Thermal efficiency evaluation of HI synthesis/concentration procedures in the thermochemical water splitting IS process by Kasahara, Seiji, Kubo, Shinji, Onuki, Kaoru, Nomura, Mikihiro

“…Effects of operation parameters of HI synthesis and concentration procedures on thermal efficiency in the thermochemical hydrogen production IS process were…”
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