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ISプロセス信頼性試験装置(硫酸分解系機器)の安全対策

Safety measures for integrity test apparatus for IS process (Sulfuric acid decomposition section)

野口 弘喜  ; 久保 真治  ; 岩月 仁 ; 小貫 薫

Noguchi, Hiroki; Kubo, Shinji; Iwatsuki, Jin; Onuki, Kaoru

熱化学水素製造法ISプロセスでは、硫酸,二酸化硫黄,ヨウ化水素酸等の有害な化学物質を使用するため、試験研究を行う際には作業者の安全、外部への影響について十分な対策を講じる必要がある。現在、実用材料製の主要反応機器について、実プロセス環境における信頼性確認を目的としたISプロセス信頼性試験を進めており、ISプロセス信頼性試験装置(硫酸分解系機器)の設計・製作が完了した。本試装置では、腐食性流体(硫酸(H$$_{2}$$SO$$_{4}$$), 二酸化硫黄(SO$$_{2}$$)等)を取扱い、また、加圧条件で試験運転を行うため、本試験開始に先立ち、試験装置の安全対策、作業の安全対策及び異常時の対策について検討を行った。本報告書はこれらの検討結果を取りまとめたものである。

Hazardous substances such as sulfuric acid, sulfur dioxide and hydrogen iodide acid are employed in thermochemical Iodine-sulfur (IS) process. It is necessary to take safety measure against workers and external environments to study experimentally on IS process. Presently we have been conducting to verify the soundness of main components made of engineering material in actual corrosive condition. An integrity test apparatus for the components of sulfuric acid decomposition was set up. We will use the hazardous substances such as sulfuric acid and sulfur dioxide and perform the experiment in pressurized condition in this integrity test. Safety measures for test apparatus, operation and abnormal situation were considered prior to starting the test. This report summarized the consideration results for the safety measures on the integrity test apparatus for the components of sulfuric acid decomposition.

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