Regeneration production process for waste mineral oil

The invention discloses a regeneration production process for waste mineral oil. The regeneration production process comprises the following steps: S1, pretreatment, which comprises solid-liquid separation through sedimentation and impurity removal through filtration, wherein the impurity removal th...

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Bibliographic Details
Main Author ZHANG TINGKE
Format Patent
LanguageChinese
English
Published 09.07.2021
Subjects
CHEMISTRY
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
METALLURGY
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Summary:The invention discloses a regeneration production process for waste mineral oil. The regeneration production process comprises the following steps: S1, pretreatment, which comprises solid-liquid separation through sedimentation and impurity removal through filtration, wherein the impurity removal through filtration is centrifugal filtration via a centrifugal machine, and an obtained centrifugal filtrate is a raw material I; S2, reduced-pressure distillation: performing reduced-pressure distillation on the raw material I obtained in the step S1 in a reduced-pressure distillation kettle, separating different molecular masses of the raw material I in a reduced-pressure distillation manner, removing impurities with relatively high mass, and taking distillate obtained by reduced-pressure distillation as a raw material II; S3, hydrogenation reaction: pumping the raw material II into a stripping tower for a reaction with fresh hydrogen to obtain a reaction liquid which is used as a raw material III and waste gas whi
Bibliography:Application Number: CN202110279668