Lower olefins producing catalyst and method for producing lower olefins using same
a technology of low olefins and catalysts, which is applied in the direction of hydrocarbon preparation catalysts, physical/chemical process catalysts, bulk chemical production, etc., can solve the problems of long catalyst life and easy separation of aluminum from zeolite framework, and achieve long catalyst life, high catalytic activity, and reduced frequency of catalyst regeneration
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
Problems solved by technology
Method used
Examples
example 1
Production of Catalyst A
[0080]9.50 g of Al(NO3)3.9H2O and 10.92 g of Ca(CH3COO)2.H2O was dissolved in 750 g of water to prepare a raw material liquid for zeolite. A solution prepared by dissolving 500 g of Cataloid Si-30 liquid glass (manufactured by Catalysts & Chemicals Industries Co, Ltd.) in 333 g of water, 177.5 g of 6% by mass NaOH aqueous solution, 317.6 g of 21.3% by mass aqueous tetrapropylammonium bromide solution, and 15.0 g (corresponding to 10% by mass of the amount of a zeolite catalyst synthesized without adding seed crystals) of an ammonium-type, MFI-type zeolite (manufactured by Zeolyst International, Si / Al atomic ratio: 70) having an average particle size of 0.5 μm as zeolite seed crystals were added to the raw material liquid while stirring to obtain an aqueous gel mixture.
[0081]Next, the aqueous gel mixture was placed in a 3-L autoclave, and hydrothermal synthesis was carried out by stirring under self pressure at 160° C. for 18 hours. A white solid product obtai...
example 2
Production of Catalyst D
[0088]Catalyst D was produced as in Example 1 except that, in the extrusion molding, ring-shaped pellets with an outer diameter of 5.0 mm, an inner diameter of 2.0 mm, and an average length of 7.8 mm were formed. The resulting catalyst D maintained the shape formed by the extrusion molding, and had a thickness of 1.5 mm.
example 3
Production of Catalyst E
[0089]The catalyst C obtained in Comparative Example 2 was pulverized by a mortar and passed through a sieve with an opening of 0.50 to 0.59 mm. Thereby, catalyst E with a thickness of 0.59 mm or less was produced.
PUM
Property | Measurement | Unit |
---|---|---|
particle size | aaaaa | aaaaa |
compacted bulk density | aaaaa | aaaaa |
distance | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap