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A kind of non-sulfide state catalyst and its preparation method and application

A non-sulfurized catalyst technology, applied in the field of non-sulfurized catalysts and its preparation and application, can solve the problems of harsh reaction conditions, weak hydrogenation performance, environmental pollution, etc., and achieve high selectivity, good stability, and good catalyst activity Effect

Active Publication Date: 2015-08-05
SYNFUELS CHINA INNER MONGOLIA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] CN1382772A discloses a method for direct coal liquefaction to produce high-quality diesel oil and jet fuel in large quantities, but the cetane number of the product diesel oil can only reach about 45, which cannot meet the Euro II diesel standard; CN1594509A etc. synthesize heavy hydrocarbons from F-T And / or tank bottom wax is produced by hydrogenation conversion of Fe-based catalyst in a suspension bed to produce naphtha and diesel oil. Due to the weak hydrogenation performance of the suspension bed process and harsh reaction conditions, the product properties need to be further improved
However, the process of presulfurization before the catalyst is used will inevitably cause pollution and damage to the environment.

Method used

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  • A kind of non-sulfide state catalyst and its preparation method and application
  • A kind of non-sulfide state catalyst and its preparation method and application
  • A kind of non-sulfide state catalyst and its preparation method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1, the preparation of hydrocracking catalyst HC-1

[0027] Weigh and grind and sieve 200 mesh modified Y-type molecular sieves (SiO 2 / Al 2 o 3 The molar ratio is 80, Na 2 The O content is 0.02w%, the unit cell parameter is 24.33 angstroms, and the specific surface is 750.89m 2 / g, infrared acidity is 0.65mmol / g, pore volume is 0.38mL / g, crystallinity is 98.2%) 15g (dry basis), 33.32g nickel acetate is dissolved in a certain amount of water and the standard solution is 70mL, the acetic acid The aqueous solution of nickel is added to the modified Y-type molecular sieve to make a slurry evenly, and the binder small-pore alumina 75g (dry basis) (specific surface area 258.7m 2 / g, pore volume 0.49ml / g), after kneading and rolling into agglomerates, extrusion into cylindrical shape, catalyst diameter 1.4mm. Dry it in an oven at 120°C for 4h, and cool it to room temperature after roasting at 420°C for 4h to obtain the catalyst HC-1.

[0028] The mass percent ...

Embodiment 2

[0031] Embodiment 2, the preparation of hydrocracking catalyst HC-2

[0032] Weigh and grind and sieve 200 purpose modified Y molecular sieves (SiO 2 / Al 2 o 3 The molar ratio is 98, Na 2 The O content is 0.01w%, the unit cell parameter is 24.32 angstroms, and the specific surface is 880.5m 2 / g, infrared acidity is 0.57mmol / g, pore volume is 0.46mL / g, crystallinity is 107.5%) 20g (dry basis), 49.97g nickel acetate is dissolved in a certain amount of water and the standard solution is 70mL, the acetic acid The aqueous solution of nickel is added to the modified Y-type molecular sieve to make a slurry evenly, and the binder small-pore alumina 65g (dry basis) (specific surface area 320.6m 2 / g, pore volume 0.52ml / g), kneaded to a paste, extruded into a clover shape, catalyst diameter 1.7mm. Dry it in an oven at 100°C for 5h, roast at 450°C for 4h and cool to room temperature to obtain the catalyst HC-2.

[0033] The mass percent composition of each component is: modified Y...

Embodiment 3

[0036] Embodiment 3, the preparation of hydrocracking catalyst HC-3

[0037] Weigh and grind and sieve 200 purpose modified Y molecular sieves (SiO 2 / Al 2 o 3 The molar ratio is 121, Na 2 The O content is 0.05w%, the unit cell parameter is 24.37 angstroms, and the specific surface is 872.3m 2 / g, infrared acidity is 0.43mmol / g, pore volume is 0.50mL / g, crystallinity is 98.9%) 25g (dry basis), 66.63g nickel acetate is dissolved in a certain amount of water and the standard solution is 70mL, the acetic acid The aqueous solution of nickel is added to the modified Y-type molecular sieve to make a slurry evenly, and the binder small-pore alumina 55g (dry basis) (specific surface area 272.3m 2 / g, pore volume 0.51ml / g), kneading and rolling into agglomerates, extrusion into butterfly shape, catalyst diameter 1.8mm. It was dried in an oven at 110°C for 6h, roasted at 480°C for 3h and then cooled to room temperature to obtain the catalyst HC-3.

[0038] The mass percent composi...

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Abstract

The invention discloses a non-sulfur catalyst and a preparation method of the catalyst. The catalyst comprises a modified Y molecular sieve, nickel oxide, and foraminate alumina, wherein the mass ratio of the modified Y molecular sieve to the nickel oxide and to the foraminate alumina is (10.0-35.0):(3.0-30.0):(35.0-87.0). The preparation method comprises the following steps of: pulping the modified Y molecular sieve and an aqueous solution of a nickel containing soluble salt; sequentially proportioning, kneading, rolling and clustering the pulp and the foraminate alumina; carrying out extrusion-molding; sequentially carrying out drying and roasting to obtain the non-sulfur catalyst. The non-sulfur hydrocracking catalyst disclosed by the invention is environmentally-friendly, simple in preparation process and raw material, low in cost and suitable for the preparation of the catalyst at high metal content.

Description

technical field [0001] The invention relates to a non-sulfided catalyst and its preparation method and application. Background technique [0002] With the change of oil product consumption structure, middle distillate oil such as diesel oil has been paid more and more attention in the oil product consumption, and the environmental protection requirements have become increasingly stringent, which makes the production of clean engine fuel become more and more important. The engine fuel obtained by catalytic cracking It is generally difficult to meet the target requirements, and the straight-run products with better quality that can be used as blending components are increasingly unable to make ends meet. Therefore, the medium-oil hydrocracking process that can produce high-quality clean engine fuels has received more and more attention. [0003] Low-temperature F-T synthesis products not only have a higher proportion of straight-chain hydrocarbons, but also have a higher selec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J29/14C10G47/20
Inventor 卢银花范立闯刘飞鹏郝坤陶智超杨勇李永旺
Owner SYNFUELS CHINA INNER MONGOLIA CO LTD