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A hydrocarbon oil desulfurization catalyst and its preparation method and method for hydrocarbon oil desulfurization

A desulfurization catalyst and catalyst technology, applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of large hydrogen consumption and achieve low catalyst loss, good stability, and good wear resistance Effect

Active Publication Date: 2017-12-22
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0014] The purpose of the present invention is to provide a hydrocarbon oil desulfurization catalyst and its preparation method and a method for hydrocarbon oil desulfurization in order to overcome the defect of large hydrogen consumption in the existing catalytic hydrogenation adsorption desulfurization technology

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  • A hydrocarbon oil desulfurization catalyst and its preparation method and method for hydrocarbon oil desulfurization
  • A hydrocarbon oil desulfurization catalyst and its preparation method and method for hydrocarbon oil desulfurization

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preparation example Construction

[0036] The present invention also provides the preparation method of the hydrocarbon oil desulfurization catalyst of the present invention, the method comprising: (1) under the conditions of the exchange reaction, carrying out the exchange reaction of the ZSM-5 molecular sieve with the solution of the phosphorus-containing compound and the solution of the iron-containing compound , obtain the ZSM-5 molecular sieve modified by P and Fe; (2) the ZSM-5 molecular sieve obtained by P and Fe modified by alumina binding agent, layered clay, zinc oxide, step (1), water and acid The liquids are mixed to obtain a carrier slurry, and the carrier slurry is subjected to shaping, first drying and first calcining to obtain a carrier; (3) introducing a compound containing an active component on the carrier and performing second drying and second calcining, obtaining a catalyst precursor; (4) reducing the catalyst precursor under a hydrogen atmosphere to obtain a hydrocarbon oil desulfurization...

Embodiment 1

[0080] This example is used to illustrate the method for preparing a hydrocarbon oil desulfurization catalyst of the present invention.

[0081] (1) Under the condition of the exchange reaction, the ZSM-5 molecular sieve of 100g (Shanghai Shentan Environmental Protection New Material Co., Ltd., SiO 2 :Al 2 o 3 The molar ratio is 20:1) and 70g of 10% by weight ammonium phosphate solution were stirred evenly at 85°C and dried at 120°C, and roasted at 500°C for 2h to obtain P-ZSM-5 molecular sieve;

[0082] Stir and filter 80g of P-ZSM-5 molecular sieve and 20g of 5% by weight ferric nitrate solution at 85°C, repeat this stirring and filtration for 3 times, dry at 120°C, and roast at 500°C for 2h to obtain P-Fe-ZSM-5 molecular sieve, its anhydrous chemical expression is based on the weight of the oxide: 0.04Na 2 O·3.71Al 2 o 3 2.81P 2 o 5 1.56Fe 2 o 3 74.15SiO2 2 ; P content in P 2 o 5 Calculated as 3.42% by weight, Fe content is Fe 2 o 3 Calculated as 1.90% by weig...

Embodiment 2

[0091] This example is used to illustrate the method for preparing a hydrocarbon oil desulfurization catalyst of the present invention.

[0092] (1) Under the condition of the exchange reaction, the ZSM-5 molecular sieve of 100g (Shanghai Shentan Environmental Protection New Material Co., Ltd., SiO 2 :Al 2 o 3 The molar ratio is 40:1) and 70g of 10% by weight ammonium phosphate solution were stirred evenly at 85°C and dried at 120°C, and roasted at 500°C for 2h to obtain P-ZSM-5 molecular sieve;

[0093] Stir and filter 80g of P-ZSM-5 molecular sieve and 20g of 5% by weight ferric nitrate solution at 85°C, repeat this stirring and filtration for 3 times, dry at 120°C, and roast at 500°C for 2h to obtain P-Fe-ZSM-5 molecular sieve, its anhydrous chemical expression is based on the weight of the oxide: A2: 0.04Na 2 O·2.0Al 2 o 3 3.28P 2 o 5 1.10Fe 2 o 3 77.8 SiO2 2 ; P content in P 2 o 5 Calculated as 3.89% by weight, Fe content is Fe 2 o 3 Calculated as 1.31% by w...

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Abstract

The invention discloses a hydrocarbon oil desulfurization catalyst, a preparation method thereof and a hydrocarbon oil desulfurization method. The catalyst includes a carrier and an active component, the carrier includes aluminum oxide, layered clay, zinc oxide and P and Fe modified ZSM-5 molecular sieve, and the active component includes nickel and / or cobalt; wherein, the P and Fe modified In the specific ZSM-5 molecular sieve, the mass ratio of P2O5 / Fe2O3 is 1-4:1, and the mass ratio of the active component / P and Fe-modified ZSM-5 molecular sieve is 0.5-4:1, and the catalyst The acid volume ratio of B acid / L acid is 0.3‑0.8:1. The hydrocarbon oil desulfurization catalyst can also produce hydrogen while desulfurizing, reducing the cost of hydrogen consumption for hydrocarbon oil desulfurization. In addition, the catalyst has better stability, higher desulfurization activity, better wear resistance and longer service life. .

Description

technical field [0001] The present invention relates to a hydrocarbon oil desulfurization catalyst and a preparation method thereof and a method for hydrocarbon oil desulfurization, in particular to a hydrocarbon oil desulfurization catalyst, a method for preparing a hydrocarbon oil desulfurization catalyst and a hydrocarbon oil desulfurization catalyst obtained by the method, and A method for desulfurizing hydrocarbon oil using the hydrocarbon oil desulfurization catalyst. Background technique [0002] As people pay more and more attention to environmental protection, environmental regulations are becoming stricter, and reducing the sulfur content of gasoline and diesel is considered to be one of the most important measures to improve air quality. Most of the sulfur in my country's gasoline products comes from thermally processed gasoline blending components, such as catalytic cracking gasoline. Therefore, the reduction of sulfur content in thermally processed gasoline wil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J29/46C10G49/08
Inventor 宋烨龙军田辉平林伟王磊
Owner CHINA PETROLEUM & CHEM CORP
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