Method for reducing cobalt-base Fischer Tropsch synthesis catalyst
A technology for synthesis of catalysts and tropes, applied in chemical instruments and methods, catalyst activation/preparation, physical/chemical process catalysts, etc., can solve problems such as increased water pressure in the system, unfavorable industrial operations, and difficult to take away, etc., to achieve initial activity high effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
example 1
[0020] Loaded Cobalt-based Fischer-Tropsch Synthesis Catalyst 20%Co0.8%Pt3%Zr / SiO 2 (Wt.), under normal pressure, pass inert gas, space velocity is 500h -1 , completely replace the air in the reduction system with an inert gas at normal temperature and pressure, then maintain the pressure of the reduction system at 0.1 MPa, raise the temperature from room temperature to 300 °C at 1 °C / min, dry for 12 hours, and then cool down to 120 °C. switch concentration to 5% H 2 Mixed gas with inert gas, the space velocity is 2000h -1 , from 120°C to 300°C at 1°C / min, and then gradually increase the H in the mixture 2 The concentration is above 90%, reduced for 24 hours, and then cooled to 120°C. Introduce hydrogen containing 2% water vapor with a space velocity of 500h -1 , the temperature was raised from 120°C to 200°C at 1°C / min, maintained for 12 hours, and then lowered to 120°C. switch concentration to 5% H 2 Mixed gas with inert gas, the space velocity is 2000h -1 , from 120°...
example 2
[0023] Loaded Cobalt-based Fischer-Tropsch Synthesis Catalyst 20%Co1%Ni3%Zr / TiO 2 (Wt.), under normal pressure, pass inert gas, space velocity is 1500h -1 , use inert gas to completely replace the air in the reduction system at normal temperature and pressure, then increase the pressure of the reduction system to 1.0MPa, raise the temperature from room temperature to 400°C at 3°C / min, dry for 8 hours, and then cool down to 120°C . switch concentration to 5% H 2 Mixed gas with inert gas, the space velocity is 4000h -1 , from 120°C to 400°C at 3°C / min, and then gradually increase the H in the mixture 2 The concentration is above 90%, reduced for 8 hours, and then lowered to 120°C. Introduce hydrogen containing 4% methanol vapor at a space velocity of 1500h -1 , the temperature was raised from room temperature to 250°C at 3°C / min, maintained for 8 hours, and then cooled to 120°C. switch concentration to 5% H 2 Mixed gas with inert gas, space velocity 4000h -1 , from 120°C...
example 3
[0026] Loaded cobalt-based Fischer-Tropsch synthesis catalyst 20%Co0.05%Ru3%Zr / Al2 o 3 (Wt.), under normal pressure, pass inert gas, space velocity is 1000h -1 , use an inert gas to completely replace the air in the reduction system at normal temperature and pressure, then increase the pressure of the reduction system to 0.5MPa, raise the temperature from room temperature to 350°C at 2°C / min, dry for 10 hours, and then cool down to 120°C . switch concentration to 5% H 2 Mixed gas with inert gas, the space velocity is 3000h -1 , from 120°C to 350°C at 2°C / min, then gradually increase the H in the mixture 2 The concentration is above 90%, reduced for 16 hours, and then cooled down to 120°C. Introduce hydrogen containing 3% ethanol vapor at a space velocity of 1000h -1 , the temperature was raised from room temperature to 220°C at 2°C / min, maintained for 10 hours, and then cooled to 120°C. switch concentration to 5% H 2 Mixed gas with inert gas, the space velocity is 3000h...
PUM
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com