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Reversed phase micelle nano catalyst for dreg-oil suspension bed hydrogenation cracking and preparing method

A nano-catalyst and reverse-phase micelle technology, which is applied in physical/chemical process catalysts, chemical instruments and methods, hydrocarbon oil cracking, etc., can solve problems such as long-term operation, achieve highly uniform dispersion, save production costs, and complete vulcanization high degree of effect

Inactive Publication Date: 2007-08-29
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The catalyst is used in the heavy oil suspension bed hydrocracking process, which can make the catalytic active components highly uniformly disperse in the raw material under the condition of ensuring a high sulfurization completeness, and can effectively inhibit the reactor and The coking of the furnace tube solves the problem of long-term operation of the heavy oil suspended bed hydrocracking process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Example 1, take 45 g of organic phase toluene, 1 g of surfactant organic quaternary ammonium salt, and 0.5 g of co-surfactant methanol. The three are stirred at a constant temperature at 40 ° C for 10 minutes, and then slowly dropwise while stirring at a constant speed 1.0mol / l CuCl 2 The salt solution is about 10ml, and it is stable for 0.5 hours under a sealed constant temperature condition, cooled to room temperature and left to stand, and the catalyst metal salt microemulsion is obtained. Take 10ml of 1.2mol / l sodium sulfide, slowly add it dropwise into the microemulsion obtained above under constant temperature stirring at 40°C, react under constant conditions for 0.5 hours, cool to room temperature and let stand to obtain the reverse phase of the sulfided catalyst Micellar Nanosystems.

Embodiment 2

[0013] Example 2, get 45g of organic phase diesel oil, 3g of surfactant organic quaternary phosphorus salt, 2g of surfactant T-80, 5g of co-surfactant methanol, stir the three at a constant temperature for 10 minutes at 40°C, and then stir at a constant speed While stirring, slowly drop 2.0mol / l CuCl 2 8ml of the salt solution was stabilized for 0.5 hours under sealed constant temperature conditions, cooled to room temperature and left standing to obtain the catalyst metal salt microemulsion. Take 2ml of 2.5 mol / l ammonia sulfide, slowly add it dropwise into the microemulsion obtained above under the condition of constant temperature stirring at 40°C, react under constant conditions for 0.5 hours, cool to room temperature and let stand to obtain the reverse phase of the sulfided catalyst Micellar Nanosystems.

Embodiment 3

[0014] Example 3, get 45g of organic phase xylene, 3g of surfactant petroleum sulfonate, 2g of surfactant T-80, 4g of co-surfactant methanol, stir the three at 40°C for 10 minutes at a constant temperature, and then While stirring at high speed, slowly add 1 ml of 2.5 mol / l potassium sulfide dropwise, and keep it stable for 0.5 hours under sealed and constant temperature conditions to obtain catalyst metal salt microemulsion. Take 2.0mol / l Co(NO3) 2 0.5ml of salt solution was slowly added dropwise to the microemulsion obtained above under constant temperature stirring at 40°C, reacted under constant conditions for 0.5 hours, cooled to room temperature and left to stand to obtain the reverse-phase micellar nanosystem of the sulfide catalyst.

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Abstract

The invention discloses a catalyst for low quality heavy oil or residue suspended bed hydrocracking and preparation method belongs to oil process technology area. The catalyst is a sulfurization form transition metal nm particle that existing in the reversed phase micelle colloidal solution, the disperse medium of reversed phase micelle colloidal solution is organic phase, the disperse phase is a water phase parceled by surface activity, sulfurization form transition metal nm particle steady consist in the water phase. The transition metal active ingredient in disperse phase elect as Cu,Mn,Fe,Co,Ni,Cr,Mo,W,Zn,Sn,Pb elementary sulfurization form particle and so on, the grain size between 1nm-1000um. This catalyst can uniformly dispersed in the low quality heavy oil,residue, and under the certain reaction temperature and hydrogen aura, the low quality heavy oil or residue containing catalyst through suspended bed hydrocracking translated into light oil. On the premise of reducing catalyst enter quantity, the invention effectively controlled the coking products in heavy oil or residue suspended bed hydrocracking process, improved the yield of light oil.

Description

Technical field: [0001] The invention relates to a catalyst for hydrocracking of low-quality heavy oil and residual oil suspended bed and a preparation method thereof, belonging to the technical fields of petroleum processing and petrochemical industry. Background technique: [0002] At present, the crude oil mined domestically is becoming heavier and the amount of imported heavy crude oil and residual oil is also increasing, while the market demand for light oil products is increasing. Therefore, people pay more and more attention to the technology of lightening heavy oil. Suspension bed hydrocracking technology for heavy oil is one of the technologies that has attracted much attention. Because the heavy oil suspended bed hydrocracking technology ensures a high yield of light oil, a large amount of coke is also generated inside the reactor, which affects the long-term operation of the reactor. Therefore, the problem of coke formation in the heavy oil suspension bed hydroge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/043B01J27/049B01J35/12C10G47/26B01J35/27
Inventor 刘东阙国和邓文安沐宝泉张宏玉石斌周家顺文萍李庶峰金环年张继昌
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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