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A kind of catalyst carrier and its supporting method and use

A catalyst and carrier technology, which is applied to the catalyst carrier and its supporting field, can solve the problems of reducing the overall density of the catalyst, high density of the catalyst carrier, and unsatisfactory operation effect, etc. The effect of low hardness

Active Publication Date: 2018-03-06
CATECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned catalyst carrier itself has a high density, which has a limited effect on reducing the overall density of the catalyst, the dispersion of the catalyst is still poor, and the operation effect of the device is not ideal.
And the cost of molecular sieve is still high

Method used

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  • A kind of catalyst carrier and its supporting method and use
  • A kind of catalyst carrier and its supporting method and use
  • A kind of catalyst carrier and its supporting method and use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Catalyst

[0022] This example introduces a process in which vacuum residue and bituminous coal are used as raw materials, and the oil-coal mixing process is used for processing, and the oil-coal feed ratio is 1:1. The catalyst is an iron-based catalyst, the catalyst carrier is coal powder made of raw coal, and the bulk density of the carrier is 1.2g / cm 3 , specific surface area 800m 2 / g, the average pore diameter is 150nm, and the pore volume is 1.1cm 3 / g, the carrier accounts for 88wt% of the total mass of the catalyst.

[0023] The main process of loading is:

[0024] (1) Mix the pulverized coal with a particle size of ≤200 μm and the catalyst to prepare a catalyst / carrier slurry, and the operating temperature is 50°C;

[0025] (2) Catalyst / carrier slurry is filtered to obtain filter cake;

[0026] (3) The filter cake is dried under an inert gas environment, the drying temperature is 150° C., and the inert gas is nitrogen;

[0027] (4) Grinding the dried f...

Embodiment 2

[0037] The technique, raw material and feed ratio that present embodiment introduces are the same as embodiment 1. The catalyst is an iron-based catalyst, the catalyst carrier is coal powder made of raw coal, and the bulk density of the carrier is 2.5g / cm 3 , specific surface area 300m 2 / g, the average pore diameter is 50nm, and the pore volume is 0.4cm 3 / g, the carrier accounts for 20wt% of the total mass of the catalyst.

[0038] The load process is:

[0039] During the preparation of the catalyst, the ground carrier with a particle size of ≤200 μm is added to the raw material for catalyst preparation, the catalyst is formed on the surface of the carrier, dried in a nitrogen atmosphere and then ground to a particle size of ≤200 μm at a drying temperature of 150°C.

[0040] Reaction result data table:

[0041] Gas yield, wt%

[0042] The device has operated continuously for 8,000 hours, and the blockage and obvious wear of equipment, pumps, valves and pipeline...

Embodiment 3

[0044] The technique, raw material and feed ratio that present embodiment introduces are the same as embodiment 1. The catalyst is an iron-based catalyst, the catalyst carrier is coal powder made of raw coal, and the bulk density of the carrier is 3.3g / cm 3 , specific surface area 80m 2 / g, the average pore diameter is 5.0nm, and the pore volume is 0.16cm 3 / g, the carrier accounts for 8.8wt% of the total mass of the catalyst. This embodiment is a comparative example using the same ingredients but the range of each parameter is not within the scope of the present invention.

[0045] The load process is:

[0046] During the preparation of the catalyst, the ground carrier with a particle size of ≤500 μm is added to the raw material for catalyst preparation, the catalyst is formed on the surface of the carrier, dried in a nitrogen atmosphere and then ground to a particle size of ≤500 μm at a drying temperature of 150°C.

[0047] Reaction result data table:

[0048] ...

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Abstract

A catalyst carrier and its loading method and application, the active component of the catalyst is one or more combinations of metal compounds of Group VIII and VIB, and the carrier is a powdery substance with adsorption capacity, wherein the carrier The bulk density is 0.8-3.0g / cm3, the specific surface area is 100-1000m2 / g, the average pore diameter is 6-300nm, the pore volume is 0.2-1.5cm3 / g, and the carrier accounts for 12wt%-95wt% of the total mass of the catalyst . The density and hardness of the carrier with the parameters of the present invention are relatively small, which can greatly enhance the dispersion of the catalyst, thereby enabling the catalyst to maximize its catalytic activity, low wear on equipment, pumps, valves and pipelines, good delivery status, and low cost .

Description

technical field [0001] The invention relates to a catalyst carrier and its loading method and application, belonging to the fields of petrochemical and coal chemical industries. Background technique [0002] my country is a country rich in coal and poor in oil. In dealing with the contradiction between oil supply and demand and implementing energy conservation and emission reduction policies, making full use of coal and heavy oil resources is an important choice to ensure energy security. Slurry bed hydrogenation technology is an important technology for converting coal and heavy oil into light oil and chemicals. This technology is suitable for heavy oil hydrogenation, direct coal liquefaction and oil-coal mixing processes. [0003] Based on the above reasons, the slurry bed hydrogenation technology, especially the slurry bed hydrogenation catalyst, has become a research hotspot in recent years. Since the slurry bed hydrogenation catalyst is a disposable catalyst, considerin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J32/00B01J21/18B01J23/74B01J35/10B01J37/04B01J37/00C10G1/06C10G49/04C10G49/02
CPCB01J23/745B01J35/0026B01J35/1014B01J35/1019B01J35/1038B01J35/1061B01J21/18
Inventor 李苏安邓清宇王坤朋
Owner CATECH TECH
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