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Catalyst for coal liquefaction, preparation method and application thereof

A catalyst, coal direct liquefaction technology, applied in the preparation of liquid hydrocarbon mixtures, physical/chemical process catalysts, molecular sieve catalysts, etc. It can solve the problems of iron-based catalyst agglomeration and low catalytic efficiency, and achieve uniform microporous structure and high activity. , the effect of reducing the reaction temperature

Inactive Publication Date: 2009-12-23
HANERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Iron-based catalysts have the defects of agglomeration and low catalytic efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Catalyst composition and catalyst preparation method:

[0028] Immerse 20g of ZSM-5 molecular sieve carrier in 50ml of aqueous solution of 0.01mol / L molybdenum nitrate for 30min, take it out and dry it at 100°C for 2 hours, then transfer it to a muffle furnace and bake it in air at 500°C 4h, that is. The composition of the catalyst is as follows: the active component of the catalyst, molybdenum oxide, accounts for 15 wt% of the catalyst, and the molecular sieve carrier accounts for 85 wt% of the catalyst;

[0029] Utilize above-mentioned catalyst to carry out the method for coal direct liquefaction:

[0030] Mix 75g of coal, 150g of solvent hydrogenated anthracene oil, and 10g of catalyst evenly and then introduce them into the high-pressure slurry reactor, and fill the high-pressure slurry reactor with hydrogen, at a temperature of 380? 1. Under the condition that the initial pressure of the hydrogen supply gas is 5MPa, react for 4 hours, separate and obtain.

[003...

Embodiment 2

[0033] Catalyst composition and catalyst preparation method:

[0034] Immerse 5g of Y-type zeolite carrier in 50ml of aqueous solution of 0.01mol / L molybdenum chloride for 300min, take it out and dry it at 60°C for 6 hours, then transfer it to a muffle furnace and bake it in air at 800°C 1h, that is. The composition of the catalyst is: molybdenum oxide, the active component of the catalyst, accounts for 0.001 wt% of the catalyst, and the molecular sieve carrier accounts for 99.999 wt% of the catalyst;

[0035] Utilize above-mentioned catalyst to carry out the method for coal direct liquefaction:

[0036] Mix 75g of coal, 150g of solvent tetrahydronaphthalene and 10g of catalyst, and then introduce them into the high-pressure slurry reactor, fill the high-pressure slurry reactor with hydrogen-supplying gas methane. Under the condition of 10MPa, react for 8 hours, separate and obtain. It is measured that the conversion rate of coal is 70%, and the yield of distilled oil is 60...

Embodiment 3

[0038] Catalyst composition and catalyst preparation method:

[0039] Immerse 20g of dry beta zeolite carrier in 50ml of aqueous solution of 2mol / L molybdenum sulfate for 1min, take it out and dry it at 180°C for 1 hour, then transfer it to a muffle furnace and bake it in air at 200°C for 15h , that is. The composition of the catalyst is: molybdenum oxide, the active component of the catalyst, accounts for 1 wt% of the catalyst, and the molecular sieve carrier accounts for 99 wt% of the catalyst;

[0040] Utilize above-mentioned catalyst to carry out the method for coal direct liquefaction:

[0041]Mix 75g of coal, 100g of solvent catalytic cracking residue and 10g of catalyst evenly and then introduce them into the high-pressure slurry reactor, fill the high-pressure slurry reactor with hydrogen-supplying gas coalbed methane, and at a temperature of 500°C, the hydrogen-supplying gas starts Under the condition of initial pressure of 1MPa, react for 10 hours, separate and obt...

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Abstract

The invention discloses a catalyst for coal liquefaction, a preparation method and an application thereof. The catalyst comprises the following raw materials in percentage by weight: 0.001-50 active catalyst components and 50-99.999 molecular sieve carriers, and the active catalyst components are VIB and / or VIII metal element oxides. The catalyst has the advantages of high catalytic activity, simple preparation method and mild reaction conditions for the direct coal liquefaction.

Description

technical field [0001] The invention relates to a catalyst for direct coal liquefaction, and also relates to a preparation method of the catalyst and a method for direct coal liquefaction using the catalyst. Background technique [0002] Compared with coal resources, my country's oil resources are less. As of the end of 2006, the country's remaining economically recoverable oil reserves were 2.043 billion tons, and the mining locations shifted to deserts, seabeds, and plateaus, and mining costs increased. With the rapid development of our country's economy, our country's dependence on foreign oil is as high as 42.9%, and the import of oil is affected by various factors, which restricts our country's economic development. According to calculations by authoritative departments, my country's current oil exploitation period is only 11 years in terms of proven recoverable volume and annual consumption, and my country's current recoverable oil reserves are still insufficient. my ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J29/48B01J29/16B01J29/78B01J29/76B01J29/14B01J29/24B01J29/84C10G1/06
Inventor 肖钢侯晓峰张新锋
Owner HANERGY TECH
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