Prepn process of catalyst for residual oil hydrocracking in suspension bed

A hydrocracking and suspension bed technology, which is applied in the fields of hydrocarbon oil cracking and petroleum industry, can solve the problems of non-recycling, high cost, complicated process, etc., and achieve recovery cost saving, good stability and low consumption Effect

Active Publication Date: 2005-04-27
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the method mentioned in the above-mentioned patent, the process is complicated, and toluene, which is harmful to human body, is used as a reagent
At the same time, high-priced industrial-grade chemicals are directly used to prepare catalysts, and the catalysts are not recycled in one pass, and the cost is very high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Put 50 grams of molybdenite ore dressing wastewater settling tank waste residue (containing 8.1% molybdenum, 5.7% tungsten, 1.2% nickel, 4.7% iron) and 100 grams containing 20% ​​sodium hypochlorite, 10% sodium hydroxide solution together into 500ml Put the three-necked bottle in a constant temperature water bath at 60°C for a constant temperature reaction for 2 hours. After the reaction, use a Buchner funnel to filter it, then wash the insoluble matter with water, and mix the filtrate and washing solution into a beaker. Part of the water was evaporated to obtain a concentrate with a total metal content of 6.9%, code-named C-1.

Embodiment 2

[0015] 50 gram molybdenite ore dressing tailings (containing molybdenum 0.23%, tungsten 7.5%, nickel 0.7%, iron 6.8% through analysis) and 100 gram concentration are put into the three-necked bottle of 500ml together with the potassium hypochlorite of 25%. The three-necked bottle was placed in a constant temperature water bath at 80°C for constant temperature reaction for 4 hours. After the reaction was over, it was suction-filtered with a Buchner funnel, and then the insoluble matter was washed with water. The filtrate and washing liquid were mixed and put into a beaker to evaporate part of the water to obtain Concentrate with a metal concentration of 3.2%, code-named C-2.

Embodiment 3

[0017] Put 50 grams of molybdenite ore dressing wastewater sedimentation tank waste residue (after analysis containing 8.1% molybdenum, 5.7% tungsten, 1.2% nickel, 4.7% iron) and 200 grams of potassium permanganate with a concentration of 30% into a 500ml three-neck Put the three-neck bottle in a constant temperature water bath at 35°C for a constant temperature reaction for 6 hours. After the reaction, use a Buchner funnel to filter it, then wash the insoluble matter with water, mix the filtrate and washing liquid into a beaker and evaporate the part water to obtain a concentrate with a total metal concentration of 9.2%, code-named C-3.

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Abstract

The catalyst for residual oil hydrocracking in suspension bed is prepared with molybdenum ore dressing tailing or slag as material, and through wet oxidation and leaching with chemical reagent, filtering and other processing steps to obtain solution being used as the catalyst for hydrocracking in suspension bed. The catalyst is dispersed in heavy oil or residual oil, and in the presence of hydrogen, the inferior heavy oil or residual oil containing the catalyst is hydrocracked into light product. The catalyst has the features of low cost, environment friendship, high light product yield and others.

Description

technical field [0001] The invention relates to a method for preparing a residual oil suspended bed hydrocracking catalyst, in particular to a method for preparing a low-cost residual oil suspended bed hydrocracking catalyst. Background technique [0002] As crude oil continues to become heavier, the market demand for light fuel oil continues to increase, and environmental protection regulations are becoming increasingly stringent, refineries are paying more and more attention to residue lightening technology, among which suspension bed residue hydrogenation is the deep processing of heavy residue One of the important ways of technology. The catalysts used in the suspended bed residue hydrogenation process are different, including solid powder (such as natural minerals, coal powder loaded with metals, etc.), oil-soluble organometallic compounds, water-soluble compounds, etc. However, the solid powder catalyst has a large particle size, poor dispersion effect in residual oil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G47/26
Inventor 贾丽王喜彬董志学王军杨涛李鹤鸣贾永忠
Owner CHINA PETROLEUM & CHEM CORP
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