Area ⁃ distillation --- > due to a control system with air control activities risks, cleaning cleaning tower. Because. A distillation of oil refining ladle methanol when with methanol. Mixed through the heat of methanol vapor evaporates. May precipitation of oil. Salt or the warmth of the methanol left behind to hold on the top of tower. When opening the distillation column, clean with originally is a closed system. When the oxygen. Into the fuel sparks cause fire 2 working in confined spaces. 3 handling equipment inside the tower from a higher down to clean, such as the pall ring sheet demister out wash clean the outside and distillation column.
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