06
2024
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11
Why does waste slag coke?
Author：
Used lubricating oil contains various impurities. Due to the presence of detergent dispersants (a common type of additive), these impurities are stably dispersed in the used lubricating oil before distillation and cannot be removed by filtration or sedimentation. As the distillation process proceeds, the detergent dispersants in the used lubricating oil are degraded by high temperatures, losing their dispersing function, causing these impurities to precipitate and accumulate. This easily leads to scaling and blockage at the bottom outlet of the distillation column and pipelines. Therefore, the Vbolt distillation equipment is equipped with a dedicated manual or automatic (set according to user needs) slag discharge port to effectively avoid this problem.
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