Return to DOE Report Table of Contents

Return to Development of Attrition Resistant Iron-Based Fischer-Tropsch Catalysts Table of Contents

Development of Attrition Resistant Iron-Based Fischer-Tropsch Catalysts,
Technical Progress Report Number 3 - September 1, 2001 to August 31, 2002

Adeyiga, Adeyinka A.

Hampton University

In the pdf format this document has 26 pages and it 1.3MB

Table of Contents

Disclaimer 2
Abstract 3
Table of Contents 4
Introduction 5
Experiment 8
  Catalyst 8
Catalyst Characterization 8
Results 9
  Catalyst Attrition 9
Catalyst Particle Properties 12
Catalyst Morphology 14
Discussion 19
  Catalyst Attrition Resistance 19
SiO2 Structure 24
Literature Cited 26
Tables  
  Table 1. Jet Cup Attrition Results 10
Table 2. BET Surface Area and Pore Volume of the Iron Catalysts Studied 13
Table 3. Macro Pore Volume and Particle Density of Selected Iron Catalysts 15
Figures  
  Figure 1. Jet Cup Attrition Results 11
Figure 2a. SEM Micrographs of Fe/P(0) and Fe/P(3) before and after the attrition 16
Figure 2b. SEM Micrographs of Fe/P(5) and Fe/P(8) before and after the attrition 17
Figure 2c. SEM Micrographs of Fe/P(10) and Fe/P(12) before and after the attrition 18
Figure 3. EDXS results for the cross section of a typical Fe/P(5) particle 20
Figure 4. SEM Micrographs of typical SiO2 structures after acid leaching [Fe/P(12)] 21
Figure 5. Weight Percentage of fines lost vs. total concentration of SiO2 for a different series of spray-dried Fe FT Catalysts 23
Figure 6. Weight Percentage of fines lost vs. average particle density of calcined Fe/P(y), Fe/B(x), and Fe/P(y)/B(10) Catalysts 25