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Hydrodeoxygenation catalyst for organic oxygen-containing compound of oil product as well as preparation method and application thereof

A deoxidation catalyst and compound technology, applied in refining to remove heteroatoms, etc., can solve the problems of poor oil quality and high oxygen content, and achieve the effects of low reaction temperature and pressure, high catalytic activity, and low nickel content

Inactive Publication Date: 2013-04-10
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Alternative oil products such as F-T synthetic oil and biomass oil are faced with high oxygen content, resulting in poor oil quality. Therefore, oil must be refined to improve oil quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Implementation Example 1 1. Take 38.5g of tetraethyl orthosilicate in a three-necked flask, add 62.90g of butyl titanate alcohol solution (Ti / Si=1 / 1), stir at 60°C for 3 hours, and dissolve 28.53g of nickel nitrate with 10ml of ethylene glycol (equivalent to 25% catalyst Ni load, the following are the same) to make a solution, add it to the above mixed solution and stir for 3 hours, add distilled water with the ratio (molar ratio) of ethyl orthosilicate: distilled water = 1:18, and use orthosilicic acid Add absolute ethanol at a ratio (molar ratio) of ethyl ester: absolute ethanol = 1:2, continue stirring for 2 hours, transfer to a dish to obtain a colorless and transparent wet gel, keep it in an oven at 80°C for 30 hours to obtain a green dry gel , and then roasted in a muffle furnace at 600°C for 24 hours, ground and sieved to obtain a 40-60 mesh catalyst for future use.

[0032] Put 2ml of the above 40~60mesh catalyst in a fixed bed reaction tube, adjust the hydroge...

Embodiment 2

[0033] Implementation Example 2 1. Take 38.5g of tetraethyl orthosilicate in a three-necked flask, add 15.72g of butyl titanate alcohol solution (Ti / Si=1 / 4), stir at 60°C for 3h, then dissolve 3.12g of nickel nitrate with 10ml of ethylene glycol (Ni load 5.0%), 2ml ethylene glycol dissolved 0.42g ammonium heptamolybdate (Mo load 2.12%) to make a solution, added to the above mixture and stirred for 3h, with ethyl orthosilicate: distilled water = 1:15 Proportion (molar ratio) Add distilled water, add tetraethyl orthosilicate: absolute ethanol = 1:2 ratio (molar ratio) Add absolute ethanol, continue to stir for 2 hours, transfer to a dish to obtain a colorless and transparent wet gel, Keep it in an oven at 80°C for 30 hours to obtain a green xerogel, then bake it in a muffle furnace at 600°C for 24 hours, grind and sieve to obtain a 40-60 mesh catalyst for use.

[0034] Put 2ml of the above 40~60mesh catalyst in a fixed bed reaction tube, adjust the hydrogen pressure to 1.0Mpa,...

Embodiment 3

[0035] Implementation example 3 1. Take 38.5g of tetraethyl orthosilicate in a three-necked flask, add 12.58g of butyl titanate alcohol solution (Ti / Si=1 / 6), stir at 80°C for 3 hours, then dissolve 8.2g of nickel nitrate with 10ml of ethylene glycol Make a solution (Ni load 12.62%), dissolve 1.20g of ammonium heptamolybdate (Mo load 5.88%) in 2ml of ethylene glycol, add it to the above mixture and stir for 3h, with ethyl orthosilicate:distilled water=1:15 The ratio (molar ratio) of distilled water was added, and the ratio (molar ratio) of tetraethyl orthosilicate: absolute ethanol = 1:2 was added into absolute ethanol, and the stirring was continued for 2 hours, and then transferred to a dish to obtain a colorless and transparent wet gel. , kept in an oven at 80°C for 30h to obtain a xerogel, then roasted in a muffle furnace at 600°C for 24h, ground and sieved to obtain a catalyst of 40-60 meshes for use.

[0036] Put 2ml of the above 40~60mesh catalyst in a fixed bed reacti...

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Abstract

The invention discloses a hydrodeoxygenation catalyst for an organic oxygen-containing compound of an oil product as well as a preparation method and an application thereof, and belongs to the technical field of oil product refinement. The preparation method for the low-nickel catalyst is a sol-gel method; the catalyst is a low-nickel-based catalyst; the loading amount of the active components of the catalyst is 5-25% (wt); the catalyst also comprises one or more of transition metal as an additive; a catalyst carrier is TiO2-SiO2 composite oxide; and the molar ratio of Ti to Si is 1:(1-20). The prepared catalyst is low in cost, high in activity and high in hydrodeoxygenation conversion rate.

Description

technical field [0001] The invention relates to a hydrogenation deoxygenation catalyst of an oil organic oxygen-containing compound, a preparation method and an application thereof, and belongs to the technical field of oil refining. Background technique [0002] With the consumption of petroleum resources, the energy situation and fuel energy situation are getting tighter day by day, countries all over the world are stepping up research on alternative energy sources. Alternative oil products such as F-T synthetic oil and biomass oil are faced with high oxygen content, resulting in poor oil quality. Therefore, oil must be refined to improve oil quality. [0003] At present, the main method of oil refining is catalyst catalytic hydrodeoxygenation. Much research has been done on organic oxygenate hydrodeoxygenation catalysts. However, the sol-gel method to prepare low-nickel content catalysts is rarely used in the hydrodeoxygenation of organic oxygen compounds. Duan Yan et...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/755B01J23/883C10G45/06C10G45/08
Inventor 李为民陈龙邱玉华任庆功郭登峰姚超
Owner CHANGZHOU UNIV
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