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MTBE装置の腐食問題

2018-04-06View Original

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相談:MTBE装置の腐食対策、一般的な腐食監視手法
Reply #22018-04-06
脱酸剤を添加し、鉄イオンを監視する
Reply #32018-04-07
主な問題は、水洗塔において炭化水素中のメタノールが水洗される際、触媒中の硫酸も一緒に洗い流されるため、水質が酸性に傾き、塔板や設備が腐食することです。監視手段:1、定期的に水洗水のpH値を測定し、弱酸性が現れたら置換用水量を増やす; 2、点検時間を活用して洗浄塔の塔板を点検し、配管の厚みを測定する;

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