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A kind of heavy oil hydrogenation method

A heavy oil hydrogenation and heavy oil technology, which is applied in chemical instruments and methods, hydrocarbon oil treatment, petroleum industry, etc., can solve the problems of large catalyst consumption and poor catalytic coke suppression performance, so as to promote high-efficiency conversion and improve catalytic hydrogenation activity , Improve the effect of inhibiting coke formation

Active Publication Date: 2018-12-11
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the amount of the catalyst is large, and the catalytic coke suppression performance is poor.

Method used

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  • A kind of heavy oil hydrogenation method
  • A kind of heavy oil hydrogenation method
  • A kind of heavy oil hydrogenation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Prepare ammonium tetrathiomolybdate, hydroxylamine hydrochloride, and deionized water at a molar ratio of 1:2.0:120 to prepare an aqueous solution; stir and react at 45°C for 2 hours, then centrifuge, wash, and dry to obtain an amorphous nanomolybdenum disulfide catalyst .

Embodiment 2

[0024] Prepare ammonium tetrathiomolybdate, oxalic acid, and deionized water at a molar ratio of 1:1.5:280 to prepare an aqueous solution; stir and react at 70°C for 9.5 hours, then centrifuge, wash, and dry to obtain an amorphous nanomolybdenum disulfide catalyst .

Embodiment 3

[0026] Prepare ammonium tetrathiomolybdate, tartaric acid, and deionized water at a molar ratio of 1:2.5:70 to prepare an aqueous solution; stir and react at 50°C for 1.0h, then centrifuge, wash, and dry to obtain an amorphous nanomolybdenum disulfide catalyst .

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Abstract

The invention provides a heavy oil hydrogenation process which includes mixing heavy oil raw material, dispersed catalyst and hydrogen to obtain a mixture, feeding the mixture to a suspending-bed reactor in an up-flow way, and carrying out hydrogenation reaction on the hydrocracking condition; separating reactor effluent by a separator to obtain light distillate, hydrogenation tail oil and coke. The dispersed catalyst refers to amorphous nano molybdenum disulfide catalyst. The amorphous nano molybdenum disulfide catalyst is decomposed into molybdenum disulfide monolithic stratification structure during heavy oil hydrogenation to provide more catalytic activity point sites for the heavy oil hydrogenation, so that conversion from heavy oil raw material to the light distillate is improved greatly, generation of coke products is suppressed effectively, and operation cycle of the heavy oil hydrogenation facility is prolonged.

Description

technical field [0001] The invention relates to a method for producing light distillate oil from inferior heavy oil and residual oil, in particular to a method for producing light distillate oil by using an amorphous nano molybdenum disulfide catalyst. Background technique [0002] With the continuous consumption of high-quality crude oil, the trend of heavy crude oil quality, high sulfuration and high acidification is becoming more and more obvious. In addition, a large amount of residual oil is produced in the process of petroleum refining, accounting for about 30-50wt% of crude oil. How to effectively process and utilize a large amount of low-quality crude oil and refining residue is one of the problems currently facing the petrochemical industry. Suspension bed hydrogenation process is an advanced technology for preparing liquid fuel oil by using inferior crude oil, shale oil, oil sand bitumen, and refining residue. The most prominent feature of the suspension bed hydr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G45/08B01J27/051
CPCB01J27/051C10G45/08C10G2300/202
Inventor 杜辉刘东陈照军孙德帅方龙姜鹏张中一
Owner QINGDAO UNIV
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