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Promoted Zinc Chromite Catalysts for Higher Alcohol Synthesis:
Semi-Annual Report for April - September 2000

Sun, Ms. Xiaolei
Roberts, George W.

North Carolina State University

In the pdf format this document has 21 pages and is 74kb.

Table of Contents

Abstract i
Executive Summary 1
 

A

 Introduction 2

B

 Results and Discussion 3
 

1

 Test of New Gas Booster 3

2

 Evaluation of Zinc Chromite Catalysts 3
 

a

 Catalyst Preparation and Evaluation 4

b

 Results and Discussion 5
 

i

 Gas Product Analysis 5

ii

 Liquid Analysis 10

iii

 Catalyst Characterization 11

iv

 Charcoal Trap 11

c

 Future Research 12

3

 Analysis of Slurry Liquid 12

C

 Conclusions 12

D

 References 13

E

 Appendix 15

List of Tables

2.1: CO Conversion - Comparison of Promoted and Unpromoted Zinc Chromite Catalysts 6
2.2: Methanol Productivity - Comparison of Promoted and Unpromoted Zinc Chromite Catalysts 7
2.3: Methanol Majority - Comparison of Promoted and Unpromoted Zinc Chromite Catalyst 8
2.4: Total Oxygenates, Hydrocarbons and CO2 Selectivities for Promoted and Unpromoted Zinc Chromite Catalysts 10
2.5: Surface Areas of Fresh and Spent Catalysts 11
2.6: Metal Elemental Analysis 12

List of Figures

2.1: Carbon MOnoxide Conversion for 6 wt.% Cs - Promoted Zinc Chromite Catalyst and for Unpromoted Zinc Chromite Catalyst (T = 375ºC and 400ºC, GHSV = 5000 sl/kg(cat)hr, P = 2000 psig, DHN. The molar H2/CO feed ratios are shown in the figure) 6
2.2: Carbon Selectivity for 6 wt.% Cs - Promoted Zinc Chromite Catalyst and for Unpromoted Zinc Chromite Catalyst (T = 375ºC, GHSV = 5000 sl/kg(cat)hr, P = 2000 psig, DHN. The molar H2/CO feed ratios are shown in the figure) 9
2.3: Carbon Selectivity 6 wt.% Cs - Promoted Zinc Chromite Catalyst and for Unpromoted Zinc Chromite Catalyst (T = 400ºC, GHSV = 5000 sl/kg(cat)hr, P = 2000 psig, DHN. The molar H2/CO feed ratios are shown in the figure) 9