Benzene and naphthalene removal oil (refined cleaning oil)
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I received a batch of wash oil today: its density is 1.04, the moisture content is less than 0.1, the distillate at 230 degrees is less than or equal to 0, while the distillate at 260 degrees is 93; the dry point is 270. Is this kind of wash oil good?
This cleaning oil must be the best for removing benzene. A dry point of 270 indicates a high content of methylnaphthalene. Why don’t you recommend using this kind of cleaning oil? Explain the reason.
It has a low density and low molecular weight, with many light components; its separation from benzene is somewhat poor, and the content of naphthalene should be less than 15. Do you have a naphthalene side stream?
The naphthalene content in this kind of cleaning oil should be less than 5%.