Residual oil recovery?
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During the maintenance of refinery units, is it possible to use small buckets to gradually collect the oil stored in low-level pipelines and instruments?
There are underground oil tanks, into which oil is discharged through sampling ports； If it is the early stage of steam purging, order some 170-kilogram drums in advance, and place the venting tape inside the drums. Small buckets are not suitable; if there is pressure and the valve cannot be controlled properly, splashing will occur, which is unsanitary and also causes environmental pollution.