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Method for producing feedstocks of high quality lube base oil from coking gas oil

A technology for coking gas oil and lubricating base oil, applied in lubricating compositions, hydrocarbon oil treatment products, hydrocarbon oil treatment, etc., can solve problems that have not yet been considered

Active Publication Date: 2013-03-20
SK益动株式会社
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the method described in this patent document for preparing high-quality lubricating base oil feedstock from unconverted oil is designed to use only vacuum diesel oil (VGO), and no consideration has been given to recycling unconverted oil (UCO) and using cheap A more economical method for preparing high-quality lubricating base oil raw materials from coker gas oil (CGO)

Method used

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  • Method for producing feedstocks of high quality lube base oil from coking gas oil
  • Method for producing feedstocks of high quality lube base oil from coking gas oil
  • Method for producing feedstocks of high quality lube base oil from coking gas oil

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Embodiment 1

[0043] The low boiling point components are separated from the vacuum residue (VR), which is separated from the atmospheric residue (Ar) by the first vacuum distillation unit (V1), the first fractionation unit (Fs1), and then the vacuum residue (VR) heated to 500°C and then introduced into the coking drum. Then the vacuum residue (VR) is heated to 550°C in the coking drum, and the pressure at the upper end of the coking drum is 25Psig, so that the remaining liquid in the coking drum is converted into coke and light hydrocarbon gas, which is separated by the first fractionation device (Fs1) The light hydrocarbon gases are separated into LPG, coal gas, naphtha, and coker gas oil (CGO). Coker gas oil (CGO) and vacuum diesel oil (VGO) having the material properties shown in Table 2 were processed in a hydrotreater (HDT) using a catalyst (UF-210STARS, produced by UOP Corporation) under the following conditions: LHSV (liquid hourly space velocity) is 3.429 hours -1 , the pressure ...

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Abstract

Disclosed herein is a method of producing feedstock of high-quality lube based oil by producing coker gas oil (CGO) from vacuum residue (VR) or a mixture (VR / AR) of atmospheric residue (AR) and vacuum residue (VR), performing a hydrotreating process and a hydrocracking process by mixing the coker gas oil (CGO) with vacuum gas oil (VGO) to form unconverted oil (UCO), and then recycling the unconverted oil. The method of producing feedstock of high-quality lube based oil is advantageous in that feedstock of high-quality lube based oil can be more economically and efficiently produced using cheap coker gas oil (CGO), which is hard to treat.

Description

technical field [0001] The present invention relates to a method for preparing high-quality lubricating base oil raw material by using coker gas oil (CGO), more specifically, the present invention relates to a method for preparing high-quality lubricating base oil raw material by the following means: coking gas The oil (CGO) is mixed with vacuum gas oil (VGO) used in the conventional hydrogenation reaction process, subjected to the hydrotreating process and the hydrocracking process, and the unconverted oil thus produced is recycled. Background technique [0002] A conventional method for preparing lubricating base oil feedstock associated with the fuel oil hydrocracking process is carried out using unconverted oil (UCO) obtained by vacuum distillation (V1 ) produced by hydrocracking vacuum diesel oil (VGO). In said conventional process, bulk oil is first converted into light hydrocarbons by removing impurities such as sulfur, nitrogen, oxygen, metals, etc. from the oil by ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G7/00
CPCC10G2300/1077C10G69/06C10G2300/107C10G2400/10C10G2300/1074C10G7/00C10M177/00C10G71/00
Inventor 金庆录金昌局柳在旭申池宣朴三龙
Owner SK益动株式会社
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