Preparation of catalyst for oil and fat hydrogenation, catalyst and application

A technology for oil hydrogenation and catalyst, which is applied in the direction of organic compound/hydride/coordination complex catalyst, physical/chemical process catalyst, chemical instrument and method, etc., which can solve the problem that the selectivity and yield of target products are reduced and the probability is increased. , the probability of cracking at the insertion end, etc., to achieve the effect of improving freezing point, high isomer selectivity, and increasing diesel content

Active Publication Date: 2018-06-12
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] 4. Molecular sieve micropores with suitable depth: The hydroisomerization of linear alkanes is mainly carried out at the molecular sieve micropore openings. If the molecular sieve micropore channels are too deep, the probability of linear alkanes completely or mos

Method used

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  • Preparation of catalyst for oil and fat hydrogenation, catalyst and application
  • Preparation of catalyst for oil and fat hydrogenation, catalyst and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Take 120g of the SAPO-11 molecular sieve raw powder containing the template, and roast it under an air atmosphere at 550°C for 24h to obtain 100g of the SAPO-11 molecular sieve from which the template has been completely removed; take 30g of pseudoboehmite (alumina hydrate) with it Mix well, add 80g 5wt% HNO 3 solution, kneaded, molded with extruder, dried naturally, then dried at 120°C for 4h, and roasted at 550°C for 12h to obtain the carrier precursor; 100mL furfuryl alcohol and 100mL ethanol were mixed and stirred evenly at 25°C, and 1g oxalic acid was added to it , after dissolving completely, obtain monomer solution; Take 50g carrier precursor and mix with 50g monomer solution, place 6h under 25 ℃, obtain the carrier precursor of adsorption monomer solution after filtration and dry 0.5h at 120 ℃ (while drying, The polymer monomer furfuryl alcohol adsorbed by the carrier precursor undergoes spontaneous condensation reaction under heating and acidic environment), an...

Embodiment 2

[0072] Take 120g of the SAPO-11 molecular sieve raw powder containing the template, and roast it under an air atmosphere at 550°C for 24h to obtain 100g of the SAPO-11 molecular sieve from which the template has been completely removed; take 30g of pseudoboehmite (alumina hydrate) with it Mix well, add 80g 5wt% HNO 3 solution, kneaded, shaped by extruder, dried naturally, then dried at 120°C for 4h, and roasted at 550°C for 12h to obtain the carrier precursor; 100mL furfural and 100mL ethanol were mixed and stirred evenly at 25°C, and 1g oxalic acid was added to it , after dissolving completely, obtain monomer solution; Take 50g carrier precursor and mix with 50g monomer solution, place 6h under 25 ℃, obtain the carrier precursor of adsorption monomer solution after filtration and dry 0.5h at 120 ℃ (while drying, The polymer monomer furfural adsorbed by the carrier precursor undergoes spontaneous condensation reaction under heating and acidic environment), and then placed in a...

Embodiment 3

[0074] Take 120g of the SAPO-11 molecular sieve raw powder containing the template, and roast it in an air atmosphere at 550°C for 24h to obtain 100g of the SAPO-11 molecular sieve from which the template has been completely removed; take 20g of pseudoboehmite (alumina hydrate) with it Mix well, add 80g 5wt% HNO 3 solution, kneaded, formed with extruder, dried naturally, then dried at 120°C for 4h, and roasted at 550°C for 12h to obtain the carrier precursor; 100mL furfural and 50mL ethanol were mixed and stirred at 25°C, and 5mL Hydrochloric acid, after dissolving completely, obtains monomer solution; Get 50g carrier precursor and mix with 50g monomer solution, place 6h under 25 ℃, after filtering, obtain the carrier precursor of adsorption monomer solution and dry at 120 ℃ for 0.5h (while drying , the polymer monomer furfural adsorbed by the carrier precursor undergoes spontaneous condensation reaction under heating and acidic environment), and then placed in a quartz tube, ...

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PUM

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Abstract

The invention relates to a preparation method of a catalyst used for preparing a liquid fuel by oil and fat hydrogenation. The preparation method comprises the following specific preparation steps: firstly, mixing a calcined SAPO-11 molecular sieve and an amorphous oxide precursor, performing strip extrusion, performing molding, and performing calcination to prepare a carrier precursor; filling pore channels of the carrier precursor with monomer molecules of a polymer, and performing heating treatment to obtain a carrier with partially-covered molecular sieve acidic sites and partially-blockedmolecular sieve pore channels; and supporting a metal active component on the carrier, performing drying, and performing reduction to obtain the target catalyst. Compared with a catalyst prepared inthe prior art, the catalyst prepared by adopting the method provided by the invention has the higher isoparaffin selectivity and yield in the process of preparing the liquid fuel by oil and fat hydrogenation.

Description

technical field [0001] The invention belongs to the field of molecular sieve catalysts, and in particular relates to an oil hydrogenation catalyst based on SAPO-11 molecular sieves and a preparation method thereof. Background technique [0002] With the continuous development of economy and society, the reduction of primary energy such as oil and coal has brought about energy shortage. The price of crude oil and coal has been rising in recent years, which has also affected the price of motor fuel. In addition, since petroleum and coal are both carbon-containing resources and contain elements such as nitrogen and sulfur, carbon dioxide and toxic gases that are harmful to the environment will inevitably be produced during their conversion and product use. Based on this, and also due to political and economic factors, some countries have introduced relevant policies to restrict the use of fossil energy products. For example, the European Union launched a carbon tax collection ...

Claims

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Application Information

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IPC IPC(8): B01J31/28C10G3/00
CPCB01J31/28C10G3/49C10G2300/1014C10G2300/1018C10G2300/70Y02P30/20
Inventor 王从新田志坚曲炜马怀军李鹏王琳韩健强
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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