Heavy oil hydrotreating method

A technology for hydrogenation and hydrotreating of heavy oil, applied in refining to remove heteroatoms, etc., can solve problems such as deactivation of downstream catalysts

Active Publication Date: 2013-10-30
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Residual oil contains a large amount of metal impurities such as Ni, V, Fe, Ca and solid impurities. If these impurities cannot be effectively removed, it will have an adverse effect on the downstream hydrogenation catalyst and easily deactivate the downstream catalyst.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1-1

[0034] The preparation of the alumina support for the hydrogenation activity protecting agent used in the present invention and its preparation method are described.

[0035] Take by weighing the dry rubber powder (dry basis is 73% that Changling Refinery Catalyst Factory produces, and wherein pseudo-boehmite content is 68%, and gibbsite content is 5 weight %, and surplus is amorphous alumina) 1000 Gram,, 30 gram turmeric powder (Henan Lankao turmeric glue factory product), 30g hydroxymethyl cellulose mixes, add the aqueous solution 1200 milliliters that contains nitric acid 16g afterwards, extrude into outer diameter 2.5mm on the plunger type extrusion machine, Raschig ring bar with inner diameter of 1.0mm. The wet strip was dried at 120° C. for 4 hours and calcined at 960° C. for 3 hours to obtain carrier 1-Z1. The pore volume of carrier 1-Z1 is 0.73mL / g, and the specific surface area is 118m 2 / g.

Embodiment 1-2

[0037] The hydrogenation active protecting agent used in the present invention with alumina as the carrier and its preparation method are described.

[0038] Get the carrier 1-Z1200 grams that embodiment 1-1 prepares, use 500 milliliters to contain V 2 o 5 50 g / L, NiO14 g / L mixed solution of ammonium metavanadate and nickel nitrate was impregnated for 1 hour, filtered, dried at 120°C for 4 hours, and calcined at 430°C for 3 hours to obtain protective agent 1-C1. The composition of protective agent 1-C1 is listed in Table 1-1.

Embodiment 1-3

[0042] The hydrogenation active protecting agent used in the present invention with alumina as the carrier and its preparation method are described.

[0043] Get the carrier 1-Z1200 grams that embodiment 1-1 prepares, use 500 milliliters to contain V 2 o 5 18 g / L, NiO2 4 g / L mixed solution of ammonium metavanadate and nickel nitrate was impregnated for 1 hour, filtered, dried at 120°C for 4 hours, and roasted at 430°C for 3 hours to obtain protective agent 1-C2. The composition of protective agent 1-C2 is listed in Table 1-1.

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Abstract

The invention discloses a heavy oil hydrotreating method, comprising a step of sequentially contacting raw oil with a hydrogenation activity protective agent and a hydrotreating catalyst under heavy oil hydrotreating reaction conditions. The heavy oil hydrotreating method is characterized in that the hydrogenation activity protective agent contains a carrier and a hydrogenation reactive metal ingredient carried on the carrier, wherein the hydrogenation reactive metal ingredient is a combination of at least one metal ingredient selected from of VIII group and at least one metal ingredient selected by VB group, counted by oxide and with the protective agent as benchmark, the content of the VIII group metal ingredient is 0.2-15wt% and the content of the VB group metal ingredient is 0.2-15 wt%.

Description

technical field [0001] The invention relates to a heavy oil hydrotreating method. Background technique [0002] As crude oil becomes heavier and inferior, the difficulty of crude oil processing increases, and the yield of light oil products decreases. However, the market demand for high-quality light oil products continues to increase, and environmental protection regulations are becoming more and more inclusive. strict. At present, the processing and full utilization of heavy oil, especially residual oil, is becoming a major topic of concern in the global oil refining industry, and residual oil hydrogenation technology is a widely used processing technology in heavy oil processing technology, and is recognized as an economical and environmentally friendly deep processing technology . Residual oil contains a large amount of metal impurities such as Ni, V, Fe, Ca and solid impurities. If these impurities cannot be effectively removed, it will have an adverse effect on the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G45/04C10G45/06
Inventor 贾燕子杨清河李大东王奎孙淑玲刘学芬聂红戴立顺
Owner CHINA PETROLEUM & CHEM CORP
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