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Catalytic cracking additive for increasing gasoline octane number and preparation method thereof

A gasoline octane number and catalytic cracking technology, which is applied in catalytic cracking, molecular sieve catalysts, chemical instruments and methods, etc., can solve the problems of fast deactivation speed, low reactivity, low hydrothermal stability and durability, and achieve reduction Effects of small yield loss, optimized quantity, improved activity and resistance to impurity contamination

Active Publication Date: 2019-12-17
上海润琦化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a catalytic cracking gasoline octane booster and its preparation method to solve the problem of low reactivity and hydrothermal stability of the catalytic cracking gasoline octane booster in the prior art. And the persistence in the reaction process is not high, the inactivation speed is fast

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  • Catalytic cracking additive for increasing gasoline octane number and preparation method thereof
  • Catalytic cracking additive for increasing gasoline octane number and preparation method thereof

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preparation example Construction

[0043] A preparation method for catalytic cracking to improve gasoline octane number additive, is characterized in that, the method comprises the following steps:

[0044] (1) Weigh molecular sieves, substrates, non-metallic active substances, binders, and auxiliary agents according to the weight percentage of the components, mix them to form a mixture, use a grinding device to grind the mixture into powder, and add water to stir to form a slurry, said The weight ratio of water to the mixture is 1-10:1, and the slurry is allowed to stand at a temperature of 0-100°C for more than 2 hours;

[0045] (2) using a stirrer to stir the slurry in step (1) at a temperature of 0-100° C. for more than 1 hour to make it uniformly dispersed;

[0046] (3) Spray-dry the slurry in step (2) at a temperature of 100-300° C. to form auxiliary agent particles, and sieve the auxiliary agent particles to obtain target particles with a particle size of the auxiliary agent particles ≤ 200 μm;

[0047]...

Embodiment 1

[0051] 70% ZSM molecular sieve, 10% active kaolin, 5% borax, 10% silica sol, and 5% oxalic acid, wherein the ratio of silicon to aluminum in ZSM molecular sieve is 350.

[0052] (1) Take 70kg of ZSM molecular sieve, 10kg of active kaolin, 5kg of borax, 10kg of silica sol, and 5kg of oxalic acid according to the weight percentage of the components, mix them to form a mixture, use a grinding device to grind the mixture into powder, and add 100kg of ionized water stirring to form a slurry, which was left to stand at a temperature of 10° C. for 5 hours;

[0053] (2) using a stirrer to stir the slurry in step (1) at a temperature of 10° C. for 4 hours to make it uniformly dispersed;

[0054] (3) Spray-dry the slurry in step (2) at a temperature of 100° C. to form auxiliary agent particles, and sieve the auxiliary agent particles to obtain target particles with a particle size of auxiliary agent particles of 200 μm;

[0055] (4) Calcining the target particles at a temperature of 30...

Embodiment 2

[0058] 10% β-type molecular sieve, 25% clay, 10% disodium hydrogen phosphate, 25% aluminum sol, and 30% glycerol, and the ratio of silicon to aluminum in β-type molecular sieve is 400.

[0059] (1) Take 10kg of β-type molecular sieve, 25kg of clay, 10kg of disodium hydrogen phosphate, 25kg of aluminum sol, and 30kg of glycerin according to the weight percentage of the components, mix them to form a mixture, and use a grinding device to grind the mixture into powder, and Add 1000 kg of deionized water and stir to form a slurry, and place the slurry at a temperature of 100° C. for 2 hours;

[0060] (2) using a stirrer to stir the slurry in step (1) at a temperature of 100° C. for 1 hour to make it uniformly dispersed;

[0061] (3) Spray-dry the slurry in step (2) at a temperature of 300° C. to form auxiliary agent particles, and sieve the auxiliary agent particles to obtain target particles with a particle size of auxiliary agent particles of 50 μm;

[0062] (4) Calcining the t...

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Abstract

The invention discloses an additive for improving the octane value of gasoline through catalytic cracking and a preparation method of the additive. The additive comprises the following ingredients by weight percentage: 0-70% of a molecular sieve, 10-70% of a matrix, 0-10% of a non-metallic active substance, 0-50% of a binding agent and 0-30% of an additive, wherein the silica-aluminum ratio in the molecular sieve is greater than or equal to 200. The additive for improving the octane value of the gasoline through catalytic cracking is obtained by the following processes: dipping, pulping, spray drying, roasting and aging. The additive for improving the octane value of the gasoline through catalytic cracking has the characteristics of high reaction activity, high hydrothermal stability, high durability in a reaction process and low deactivation velocity.

Description

technical field [0001] The invention belongs to the technical field of catalysts, and in particular relates to a catalytic cracking additive for increasing gasoline octane number and a preparation method thereof. Background technique [0002] When gasoline is normally burned in the cylinder, the flame propagation speed is 10-20m / s, and it can reach 1500-2000m / s during detonation combustion. The latter will cause the cylinder temperature to rise sharply, gasoline will not burn completely, and the machine will vibrate strongly, so The output power is reduced and the parts are damaged. Therefore, the octane number of gasoline is an important index to measure gasoline for vehicles. In my country, light oil products are mainly obtained through catalytic cracking units, but the octane number of catalytic cracked gasoline is low, and high-grade gasoline cannot be produced. With the improvement of environmental protection requirements, it is imperative to increase the octane number ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J29/40B01J29/70B01J29/08C10G11/05
CPCB01J29/084B01J29/40B01J29/7007C10G11/05C10G2300/70C10G2400/02
Inventor 董志学张晓琳董志刚张晓瑞林天阳董奕楠
Owner 上海润琦化工科技有限公司
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