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Technology Development for Iron Fischer-Tropsch Catalysis.
Final Report - 1999

Davis, Burtron H.

University of Kentucky

Table of Contents 11kb

Section 1
23kb
Disclaimer 2
Abstract 3
Table of Contents 4
1.0 Executive Summary 7
2.0 Introduction 13
Section 2
191kb
3.0 Results and Discussion 17
 

3.1

Task 1

Task 2

Development of the Optimum Promoter Levels for Low- and High-Alpha Iron Based Fischer-Tropsch Catalysts, and
The Definition of the Preferred Pretreatment of Low- and High-Alpha Catalysts
17
  3.1.1 Activity and Selectivity of Precipitated Iron Fischer-Tropsch Catalysts 17
Section 3
227kb
3.1.2 Effect of Potassium Promotion on Iron-Based Catalysts for Fischer-Tropsch Synthesis 40
Section 4
180kb
3.1.3 Fisher-Tropsch Synthesis. Compositional Changes in an Iron Catalyst During Activitation and Use 66
Section 5
221kb
3.1.4 Activitation Study of Precipitated Iron Fischer-Tropsch Catalysts 88
Section 6
312kb
3.1.5 Attrition, Activity and Selectivity Characteristics of Supported Iron Fischer-Tropsch Catalysts 110
Section 7
341kb
3.1.6 Additional Research 129
  3.1.6.1 Define Attrition Resistance 129
3.1.6.2 Effect of Carbon Deposition 131

3.2

Task 3 Catalyst Structure and Characterization 133
  3.2.1 Fischer-Tropsch Iron Catalysts:  Characterization by Electron Microscopy 133
Section 8
265kb
3.2.2 Electron Microdiffraction Study of Ultrafine Iron Oxide Catalysts for Fischer-Tropsch Synthesis 149
Section 9
60kb
3.2.3 Mössbauer Study of Iron Fischer-Tropsch Catalysts During Activation and Synthesis 174
Section 10
887kb
3.2.4 Scanning Electron Microscopy Study of Co-Precipitated Iron Oxide Catalysts 198
Section 11
62kb
3.2.5 Promoted Iron Fischer-Tropsch Catalysts.  Characterization by Thermal Analysis 212
Section 12
130kb

3.3

Task 4 Catalyst Testing 232
  3.3.1 Fischer-Tropsch Synthesis Over Iron-Based Catalysts in a Slurry Reactor.  Reaction Rates, Selectivities and Implications for Improving Hydrocarbon Productivity 232
3.3.2 Deactivation of Iron-Based Fischer-Tropsch Catalysts in Slurry Reactors 246
Section 13
515kb
3.3.3 Fischer-Tropsch Synthesis.  Conversion of Alcohols Over Iron Oxide and Iron Carbide Catalysts 262
3.3.4 Additional Research 275
  3.3.4.1 Verifiy the Quality of Data Obtained from the CSTRs 275
3.3.4.2 Comparison of Silica Based Hi-Alpha Catalyst at 230ºC and 250ºC with C-30 Oil at a 5.0 Wt.% Catalyst Loading 277
Section 14
151kb
3.3.4.3 Comparison of Reactor Solvents, i.e., C-30 Oil Vs. PWR3000 Wax at 270ºC 282
3.3.4.4 Comparison of Alumina and Silica Based Hi-Alpha Catalyst at 230ºC and 250ºC 287
3.3.4.5 Hi-Aluminas 292
3.3.4.6 Reactor Wax Withdrawal Modifications 296
Section 15
185kb
3.3.4.7 Technical Assessment of the Fischer-Tropsch Synthesis 308
Section 16
20kb
3.3.4.8 Fischer-Tropsch Data Calculations 373

3.4

Task 5 Reporting - Project Management 388