Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Fischer-Tropsch synethesis catalyst containing zeolite molecular sieve and preparation and application of catalyst

A zeolite molecular sieve, Fischer-Tropsch synthesis technology, applied in molecular sieve catalysts, catalyst activation/preparation, preparation of liquid hydrocarbon mixtures, etc., can solve problems such as internal structure damage, achieve optimized acidity, low price, and be conducive to large-scale production and production. effect used

Inactive Publication Date: 2019-06-18
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the above catalyst synthesis, the molecular sieve must be post-treated to achieve the purpose of effectively improving product selectivity; and after the post-treatment of the molecular sieve, the skeleton of the molecular sieve will undergo desilication and dealumination processes, causing serious damage to its internal structure

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Fischer-Tropsch synethesis catalyst containing zeolite molecular sieve and preparation and application of catalyst
  • Fischer-Tropsch synethesis catalyst containing zeolite molecular sieve and preparation and application of catalyst
  • Fischer-Tropsch synethesis catalyst containing zeolite molecular sieve and preparation and application of catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 1) Add 0.75g NaAlO 2 , 2.50g NaOH, 7.21g fumed silica, 150ml deionized water, 20.0g polydiene dimethyl ammonium chloride solution (PDADMA, M w =50000~100000, P 1 ) mixed evenly, and stirred at room temperature for 4 hours; the above mixed solution was transferred to a hydrothermal kettle, and after the hydrothermal kettle was sealed, it was transferred to an oven at 200°C and kept at a constant temperature for 72 hours; after the hydrothermal treatment, the solid in the hydrothermal kettle was filtered and used After washing with ion water to pH=7, the filtered solid was dried in an oven at 120° C. for 10 h, and then calcined in a muffle furnace at 550° C. for 4 h to obtain 30-beta-1.

[0034] 2) Weigh 10wt% RuCl 3 ·3H 2 O solution 0.52g, dilute it to 10ml with deionized water, add 1.98g of 30-beta-1 obtained in step 1) to the above mixed solution, place in a 60°C water bath until the solution evaporates to dryness; place the obtained solid in Dry in an oven at 120°...

Embodiment 2

[0036] 1) Add 0.75g NaAlO 2 , 2.50g NaOH, 7.21g fumed silica, 150ml deionized water, 20.0g polydiene dimethyl ammonium chloride solution (PDADMA, M w =400000~500000,P 2 ) mixed evenly, and stirred at room temperature for 4 hours; the above mixed solution was transferred to a hydrothermal kettle, and after the hydrothermal kettle was sealed, it was transferred to an oven at 200°C and kept at a constant temperature for 72 hours; after the hydrothermal treatment, the solid in the hydrothermal kettle was filtered and used After washing with ion water to pH=7, the filtered solid was dried in an oven at 120° C. for 10 h, and then calcined in a muffle furnace at 550° C. for 4 h to obtain 30-beta-2.

[0037] 2) Weigh 10wt% RuCl 3 ·3H 2 O solution 0.52g, dilute it to 10ml with deionized water, add 1.98g of 30-beta-2 obtained in step 1) to the above mixed solution, place in a 60°C water bath until the solution evaporates to dryness; place the obtained solid in Dry in an oven at 120°...

Embodiment 3

[0039] 1) Add 0.75g NaAlO 2 , 2.50g NaOH, 7.21g fumed silica, 150ml deionized water, 20.0g polydiene dimethyl ammonium chloride solution (PDADMA, 50%P 1 +50%P 2 , where P 1 ,M w =40000~100000;P 2 ,M w =400000~500000) and mix well, stir at room temperature for 4h; transfer the above mixed solution to a hydrothermal kettle, seal the hydrothermal kettle and transfer it to an oven at 200°C, and keep it at a constant temperature for 72h; after hydrothermal treatment, the solid in the hydrothermal kettle Filter, wash with deionized water until pH = 7, dry the filtered solid in an oven at 120 °C for 10 h, and then calcinate in a muffle furnace at 550 °C for 4 h to obtain 30-beta-3.

[0040] 2) Weigh 10wt% RuCl 3 ·3H 2 O solution 0.52g, dilute it to 10ml with deionized water, add 1.98g of 30-beta-3 obtained in step 1) into the above mixed solution, place in a 60°C water bath until the solution evaporates to dryness; place the obtained solid in Dry in an oven at 120°C for 10 ho...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a Fischer-Tropsch synethesis high-selective oil production catalyst containing a zeolite molecular sieve and a preparation method of the catalyst. The catalyst is composed ofa zeolite beta molecular sieve carrier and an active component Ru; a beta molecular sieve with a mesoporous structure is directly prepared by a hydrothermal synthesis method; and the active componentRu is loaded onto the molecular sieve carrier through an impregnation method. Through changing the feeding ratio of a silicon source to an aluminum source in a mixed solution, the acid property of themolecular sieve can be effectively adjusted. Through optimizing the mesoporous channel size of the molecular sieve and the acidity of the molecular sieve in a synthesis process, the catalyst can highly selectively synthesize gasoline when applied to a Fischer-Tropsch synthesis reaction, and the selectivity of C5+ in a product can reach 90% or above. In the catalyst disclosed by the invention, anypost-treatment process is not needed for the beta molecular sieve; the beta molecular sieve can be directly used as the carrier to support the metal Ru active component; and the catalyst not only canimprove the activity in a syngas conversion reaction, but also can greatly improve the selectivity of gasoline components in a reaction product.

Description

technical field [0001] The invention relates to a catalyst containing zeolite molecular sieve, its preparation and its application in high-selectivity oil production through synthesis gas conversion. Background technique [0002] In recent years, with the increasing shortage of oil resources, the rising price of crude oil, and the increasing demand for liquid fuels such as gasoline and diesel in modern society, the competition for oil resources in various countries has become increasingly fierce. Combined with the basic national conditions of our country, which is rich in coal, poor in oil, and low in gas, the development of the coal-to-oil industry plays a decisive role in the international situation of fierce competition in oil resources. The direct coal liquefaction technology can realize the utilization of coal-to-oil resources, but the direct coal liquefaction technology requires a large amount of hydrogen, consumes a lot of energy, and has low economic benefits. The u...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B01J29/74B01J37/10C10G2/00
Inventor 黄延强张亚茹苏雄张涛
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com