Search Results 1-20 of 1055

  • Steam Reforming of Methane on Sponge Iron: Influence of Gas Composition on Reaction Rate

    Ramos Ribeiro Tiago , Ferreira Neto João Batista , Rocha Poço João Guilherme , Takano Cyro , Kolbeinsen Leiv , Ringdalen Eli

    … <p>Direct Reduction processes use gases (CO and H<sub>2</sub>) for iron reduction and production of sponge iron or direct reduced iron (DRI). … The inlet gas composition like one of the industrial auto-reforming processes led to intense carburization and hindered the catalytic reforming reaction.</p> …

    ISIJ International 61(1), 182-189, 2021

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  • Explorative Study of a Ru/CeO<sub>2</sub> Catalyst for NH<sub>3</sub> Synthesis from Renewable Hydrogen and Demonstration of NH<sub>3</sub> Synthesis under a Range of Reaction Conditions

    NANBA Tetsuya , TSUJIMURA Taku , MATSUMOTO Hideyuki , FUJIMOTO Takayoshi , SUZUKI Koichi , OOUCHI Takahiro , KAMEDA Sho , HOSHINO Yuki , FUJIMOTO Sho , KAI Mototaka , FUJIMURA Yasushi , NAGATA Yuki , KOBAYASHI Keisuke , JAVAID Rahat , ATSUMI Ryosuke , NISHI Masayasu , MOCHIZUKI Takehisa , MANAKA Yuichi , KOJIMA Hirokazu

    <p>再生可能エネルギー由来の変動性を有する水素供給を可能としたアンモニア合成プロセス構築のため，Ru/CeO<sub>2</sub>を触媒として探索研究を行った。触媒活性評価は，常圧および高圧反応条件で行った。Ru前駆体とCeO<sub>2</sub>種ならびにその組み合わせによってNH<sub>3</sub>合 …

    Journal of the Japan Petroleum Institute 64(1), 1-9, 2021

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  • Chemical substance management in laboratories: Japanese laws and regulationsand the Toyama University Lab. chemicals InPut system (TULIP)  [in Japanese]

    屋敷 香奈 , 浜崎 景 , 稲寺 秀邦

    … Many of the chemical substances used in university laboratories, such as reagents and gases, are potential fire and explosive hazards and are harmful to human health and the environment. … In this article, we explain Japanese laws and regulations, such as the Industrial Safety and Health Law and the Poisonous and Deleterious Substances Control Law, which must be followed when working with chemical substances in university laboratories. …

    Toyama medical journal 30(1), 10-13, 2020-03

    IR 

  • Improvement of temperature distribution and uncertainty evaluation for static expansion system  [in Japanese]

    Takei Yoshinori , Yoshida Hajime , Komatsu Eiichi , Arai Kenta

    <p>NMIJでは、0.1 mPa 〜 2 kPa の範囲で真空計を校正するために、膨張法装置を利用している。膨張法で発生させる校正圧力は、初期圧力、膨張比、膨張前後の温度比から求められる。温度分布を改善し、170 L のチャンバに対して0.1 K を達成した。膨張比はフルスケールの異なる2つの真空計を用いて決定した。不確かさ評価を見直した結果、従来よりも、わずかに小さな不確かさで真空 …

    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science 2020(0), 196, 2020

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  • Influence of H<sub>2</sub>–H<sub>2</sub>O Content on the Reduction of Acid Iron Ore Pellets in a CO–CO<sub>2</sub>–N<sub>2</sub> Reducing Atmosphere

    Abdelrahim Ahmed , Iljana Mikko , Omran Mamdouh , Vuolio Tero , Bartusch Hauke , Fabritius Timo

    … Temperature and gas compositions for the experiments were determined with multi-point vertical probes in an industrial blast furnace. … A rate minimum was detected for pellets reduced at 800°C, probably due to metallic iron formation, hindering the diffusion of reducing gases through the product iron layer.</p> …

    ISIJ International 60(10), 2206-2217, 2020

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  • Uncompromising Design of The Heat Exchanger Which Contributes to Exhaust Heat Collection of Fossil Fuel Origin:―Energy Recovery Innovation by Air Frohlich Engineering―  [in Japanese]

    Kadowaki Tetsushi

    <p>地球温暖化対策を適正なコストで実現するという，企業命題に取り組む紙パルプ産業各社に対し，当社は，ボイラー排ガスを熱源としたエネルギーの高効率回収システムを提案する。化石燃料由来のボイラー排ガス中に含まれる硫酸成分は，特に露点以下の温度域においてプラント設備に深刻な腐食を招き，低温域でのエネルギー回生に見合う設備投資効果が得られない主因となっていた。一般には錆び難いといわれているス …

    JAPAN TAPPI JOURNAL 74(7), 710-714, 2020

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  • Living Organisms under an Electron Microscope: the NanoSuit® Method aiming for Medical and Industrial Applications

    Hariyama Takahiko , Takaku Yasuharu , Senoh Chiyo , Yamada Satoshi , Itoh Toshiya , Suzuki Chiaki , Takehara Sayuri , Hirakawa Satoshi , Kawasaki Hideya

    … Our recent discovery of a method coined the "NanoSuit®" is presented by which living organisms can be observed in a simple procedure by an SEM, which acts as a barrier to the passage of gases and liquids and thus protects the organism. … The new "NanoSuit®" methods will be useful for medical and industrial applications.</p> …

    Journal of Photopolymer Science and Technology 33(5), 517-522, 2020

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  • Capacitors Consisting of an Aqueous Electrolyte of the Widest Potential Window —Development towards the Recovery of Regenerating Energy of Automobiles—

    PARK Yoon-Yul , TOMIYASU Hiroshi , ATARASHI Hiroshi , SUGIBAYASHI Yuji , SAITO Makoto , ASANUMA Noriko

    … The generation of gases was not detected until the cut-off voltage 2.7 V using a SS444 foil as a current collector. …

    Electrochemistry 88(3), 99-106, 2020

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  • International Politics and Japan Concerning the Environment and Energy Resources  [in Japanese]

    OHTA Hiroshi

    … Since Japan suffered from severe industrial pollution problems in the 1960s and 70s, the Japanese were concerned about international environmental issues. … Above all, the substantive reduction of the emissions of anthropogenic greenhouse gases by burning fossil fuels has now become imperative to mitigate climate change. …

    International Relations 2020(200), 200_151-200_167, 2020

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  • Prototype Development of Drone System Used for In-situ Measurement of CO<sub>2</sub> Vertical Profile and Its Preliminary Flight Test  [in Japanese]

    MADOKORO Hirokazu , INOUE Makoto , NAGAYOSHI Takeshi , CHIBA Takashi , HAGA Yumi , KIGUCHI Osamu , SATO Kazuhito

    … <p>This paper presents a novel drone system used for in-situ measurement of carbon dioxide (CO<sub>2</sub>), which is one of greenhouse gases. … concentration, a Non-Dispersive Infrared (NDIR) analyzer was equipped on an off-the-shelf industrial drone. …

    Transactions of the Society of Instrument and Control Engineers 56(2), 37-44, 2020

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  • Measurement of Three-Dimensional Combustion Distribution using CT-TDLAS

    Jeon Min-Gyu , Doh Deog-Hee , Deguchi Yoshihiro

    에너지 자원을 효율적으로 사용하기 위해서는 연소 가스에 대한 정확한 측정이 필요하다. TDLAS 기술로 대상 가스의 온도와 농도를 동시 측정할 수 있다. 현재 가스의 정밀 제어가 필요한 산업공정에 2차원 또는 3차원의 정보를 측정한 실험적 보고는 미비하다. 본 연구에서는 산업공정의 연소를 제어하 고 모니터링하고자 CT-TDLAS 시스템을 이용한다. 메탄-공 …

    Transactions of the Korean Society of Mechanical Engineers. B 43(11), 787-795, 2019-11

    IR 

  • Development of Decomposition Device for Medical/Industrial Waste Gases using Dielectric Barrier Discharge

    中井 一輝 , Nakai Kazuki , 守屋 翔平 , Moriya Shohei , 末永 祐磨 , Suenaga Yuma , 松村 有里子 , Matsumura Yuriko , 岩澤 篤郎 , Iwasawa Atsuo , 沖野 晃俊 , OKINO AKITOSHI

    The 4th International Symposium on Biomedical Engineering, 2019-11

    IR 

  • Fire Detection in Storage Tanks Handling Powder  [in Japanese]

    YASHIMA Masaaki

    … Gas should be the main for early detection of fire, and monitoring should be done by detecting multiple gases in addition to the CO sensor. …

    The Proceedings of the Industrial, Chemical Machinery & Safety Division Conference 2019.winter(0), GS-2, 2019

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  • Unexpected Aldehyde Generation in the Exhaust Gas at Waste Incineration Facilities

    CHU Xue , FUSE Yasuro , SASAKI Takato , AIZAWA Ichiro , OGUCHI Masahiro , MIYAKE Yuichi

    … <p>Acid gases generated during the thermal treatment of waste are neutralized using devices, such as bag filters coated with slaked lime. …

    Analytical Sciences 35(12), 1347-1352, 2019

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  • Demonstration of Ammonia Fuel with Small Gas Turbines  [in Japanese]

    IKI Norihiko

    … However, the exhaust gases from the ammonia flames had high NOx concentrations. …

    Journal of the Combustion Society of Japan 61(198), 283-288, 2019

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  • Solubility Property of Condensable Gases of Trans-1-Chloro-3,3,3-Trifluoropropene and Trans-1,3,3,3-Tetrafluoropropene in UV Nanoimprint

    Suzuki Kenta , Youn Sung-Won , Hiroshima Hiroshi

    … UV-NIL in 1-chloro-3,3,3-trifluoropropene (CTFP) and trans-1,3,3,3-tetrafluoro-propene (TFP) gases has enabled bubble-free UV nanoimprinting of spin-coated films without a vacuum. … We evaluate the amount of gas dissolution of 24 organic solvents, which was measured using an electronic balance in a glove box with saturated gases of CTFP and TFP, and use the Hansen solubility parameters (HSP) for analysis. …

    Journal of Photopolymer Science and Technology 32(1), 123-130, 2019

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  • Impurity Impacts on Gas Separation Performance of Polymeric Membranes  [in Japanese]

    Kanehashi Shinji

    … Actual flue gas or industrial gas involves various minor components as impurity such as water vapor, inert gases, carbon dioxide, hydrocarbons, sour gases, etc. … Herein, the impurity impacts on gas separation performance of polymeric membranes were systematically investigated to design the useful membrane materials in actual industrial applications. …

    MEMBRANE 44(5), 256-268, 2019

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  • Adsorption and separation behaviors of CO<sub>2</sub> and CH<sub>4</sub> gases on nanoporous carbon fabricated from rice husk

    Komatsu Keiji , Ishibashi Yoshikuni , Li Kansei , Zhu Jie , Toda Ikumi , Ohshio Shigeo , Tsuda Yoshinori , Saitoh Hidetoshi

    … gases on nanoporous carbon (NPC) fabricated from rice husk were investigated for possible applications in industrial carbon dioxide capture and storage (CCS). … gases was measured to range from 1.36–2.38. … These results indicate that this NPC produced using agricultural sustainable material is a good candidate for industrial CCS techniques.</p> …

    Transactions of the Materials Research Society of Japan 44(4), 157-163, 2019

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  • Processes Controlling Evolution of Volcanic Activity Deduced from Volcanic Gas Observations  [in Japanese]

    SHINOHARA Hiroshi

    … <p>Volcanic gases are derived from a magma or a hydrothermal system, which are sources of magmatic or phreatic eruptions, respectively. …

    BULLETIN OF THE VOLCANOLOGICAL SOCIETY OF JAPAN 64(2), 121-129, 2019

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  • Determination of Fluorine in Silicon Carbide Powder by Combustion Ion Chromatography  [in Japanese]

    MINAMI Hideaki , YAMANASHI Masaki , SHIOMI Shohei , MARUOKA Tomoki

    <p>燃焼イオンクロマトグラフィーによる炭化ケイ素粉末中のフッ素分析に関して，燃焼炉の燃焼時間・温度，燃焼炉に導入するキャリヤーガス（大気，混合空気，アルゴン及び窒素）の種類，加湿ユニットによるキャリヤーガスの湿潤・乾燥条件などの各処理条件が，フッ素の定量値，炭化ケイ素の質量変化及び結晶構造にどのように影響するかについて検討した．その結果，燃焼温度: 1200℃，燃焼時間: 30分にお …

    BUNSEKI KAGAKU 68(4), 265-274, 2019

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