Detailed steps for shutting down a large atmospheric and vacuum distillation unit
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The settings are quite comprehensive; it’s different from small devices. I’ve learned *about it
The main steps include reducing the volume, lowering the temperature, stopping feed and removing oil, replacing it with diesel, carrying out chemical cleaning and hot water skimming to remove oil, purging the system with steam, and circulating a ferric sulfide passivator in the system along with soaking it
Chemical cleaning and passivation agent circulation? We don’t have any either
So, what equipment is needed for the passivation cleaning of atmospheric and vacuum distillation units?