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US09359555B2 Delayed coker feed heater on-line steam-chemical decoking method 有权
延迟焦化饲料加热器在线蒸汽 - 化学除焦法

Delayed coker feed heater on-line steam-chemical decoking method
Abstract:
A process for decoking of delayed coker feed heater pass is disclosed. A chemical mixture containing a metal hydroxide and a metal carbonate is combined with steam to decoke the delayed coker feed heater pass.
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