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A method for processing high-aromatic inferior raw material oil

A technology of low-quality feedstock oil and high aromatics, applied in the field of oil refining, can solve the problems of poor effect and prolong the catalyst activity period, and achieve the effect of prolonging the activity period

Active Publication Date: 2018-07-31
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a new method for producing rubber filler oil and / or food-grade white oil, and to significantly prolong the catalyst’s active period in view of the defects of the existing technology that the processing of high-aromatic and inferior raw material oils is poor in effect

Method used

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  • A method for processing high-aromatic inferior raw material oil

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Comparison scheme
Effect test

Embodiment 1

[0064] This embodiment is used to illustrate the method for processing high-aromatic inferior raw material oil of the present invention, specifically as follows:

[0065] Introduce the first high-aromatic low-quality raw material oil and the hydrogen-containing stream into the first hydrogenation reactor containing the hydrofinishing catalyst for reaction to obtain the first hydrogenation product, and control the reaction conditions in the first hydrogenation reactor so that the The content of aromatics in the first hydrogenation product is 4.2% by weight, wherein the reaction conditions in the first hydrogenation reactor are as shown in Table 2; The hydrogen-containing stream is introduced into a second hydrogenation reactor containing a hydrofining catalyst for reaction, and the obtained second hydrogenation product is sequentially separated and fractionated to obtain food-grade white oil, wherein the first high-aromatic hydrocarbon is inferior The weight ratio of the raw ma...

Embodiment 2

[0068] This embodiment is used to illustrate the method for processing high-aromatic inferior raw material oil of the present invention, specifically as follows:

[0069] Introduce the first high-aromatic low-quality raw material oil and the hydrogen-containing stream into the first hydrogenation reactor containing the hydrofinishing catalyst for reaction to obtain the first hydrogenation product, and control the reaction conditions in the first hydrogenation reactor so that the The content of aromatics in the first hydrogenation product is 3.6% by weight, wherein the reaction conditions in the first hydrogenation reactor are as shown in Table 2; The hydrogen-containing stream is introduced into a second hydrogenation reactor containing a hydrofining catalyst for reaction, and the obtained second hydrogenation product is sequentially separated and fractionated to obtain food-grade white oil, wherein the first high-aromatic hydrocarbon is inferior The weight ratio of the raw ma...

Embodiment 3

[0072] This embodiment is used to illustrate the method for processing high-aromatic inferior raw material oil of the present invention, specifically as follows:

[0073] Introduce the first high-aromatic low-quality raw material oil and the hydrogen-containing stream into the first hydrogenation reactor containing the hydrofinishing catalyst for reaction to obtain the first hydrogenation product, and control the reaction conditions in the first hydrogenation reactor so that the The content of aromatics in the first hydrogenation product is 4.8% by weight, wherein the reaction conditions in the first hydrogenation reactor are as shown in Table 2; And the hydrogen-containing stream is introduced into a second hydrogenation reactor containing a hydrofinishing catalyst for reaction, and the obtained second hydrogenation product is sequentially separated and fractionated to obtain a food-grade white oil, wherein the first high-aromatic The weight ratio of the low-quality raw mater...

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Abstract

The invention relates to the field of oil refining, and discloses a method for processing high aromatic hydrocarbon inferior raw oil. The method comprises the steps that a part of high aromatic hydrocarbon inferior raw oil and hydrogen-containing material flow are guided into a first hydrogenation reactor containing a hydrofined catalyst for reacting, and a first hydrogenation product is obtained; the first hydrogenation product, the rest of the high aromatic hydrocarbon inferior raw oil and any hydrogen-containing material flow are guided into a second hydrogenation reactor containing a hydrofined catalyst for reacting, an obtained second hydrogenation product is sequentially subjected to separation and fractionation, and food-grade white oil and / or rubber filling oil are / is obtained, wherein the weight ratio of the part of high aromatic hydrocarbon inferior raw oil to the rest of the high aromatic hydrocarbon inferior raw oil is 0.2-5:1. When the above method is adopted for processing the high aromatic hydrocarbon inferior raw oil, the rubber filling oil and / or the food-grade white oil can be produced with the high yield and good quality. Meanwhile, by means of the method, the activity period of the catalyst can be obviously prolonged.

Description

technical field [0001] The invention relates to the field of oil refining, in particular to a method for processing high-aromatic low-quality raw material oil, more specifically, the invention relates to a method for producing lubricating oil petroleum products such as food-grade white oil and / or rubber extension oil. Background technique [0002] White oil and rubber extender oil are two special products used in chemical and food fields among lubricating oil petroleum products. Their performance requirements and safety requirements are very different from those of general lubricating oil base oils. [0003] White oil is widely used in the fields of daily chemical, food processing, chemical fiber, textile, pharmaceutical and agriculture because of its colorless, tasteless, odorless, chemical inertness and excellent light and heat stability. Rubber filler oil is mainly used in rubber processing. It can not only improve the processing performance of rubber, but also play an im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G67/02
Inventor 王鲁强郭庆洲李洪宝高杰李洪辉
Owner CHINA PETROLEUM & CHEM CORP