Fundamental studies of catalytic gasification
Progress is reported on the role of catalysts during relatively low temperature steam gasification. This quarter, catalyst dispersion was studied. A catalyst solvent for impregnation other than water was investigated to observe different wetting effects. A solution of 20% methanol in water was used to impregnate Kentucky {number sign}13 char with K--Ca oxide catalyst. Impregnation of Franklin Pitt {number sign}8 with other alkali and/or earth alkali oxides was also undertaken. Also this quarter, the initial KCa/C ratio was investigated for its effect on methane coupling after essentially complete gasification of the Rosebud char. The importance of the presence of water for the coupling reaction was studied at 640{degree}C. In this case a relatively inactive KCaO{sub x} catalyst derived from impregnation on alumina wool was used, since large enough quantities of catalyst derived from char gasification were not available. Using the relatively low activity KCaO{sub x} catalyst on SiO{sub 2}, the effect of water flow and of temperature was also investigated. 12 figs., 1 tab.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- Sponsoring Organization:
- DOE/FE
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 7271320
- Report Number(s):
- LBL-28298; ON: DE90008389
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
ADDITIVES
ALCOHOLS
ALKALI METALS
ALKALINE EARTH METAL COMPOUNDS
ALKANES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CARBON
CATALYTIC EFFECTS
CHALCOGENIDES
CHARS
COAL GASIFICATION
DOCUMENT TYPES
ELEMENTAL MINERALS
ELEMENTS
GASIFICATION
GRAPHITE
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
METALS
METHANE
METHANOL
MINERALS
NICKEL COMPOUNDS
NICKEL OXIDES
NONMETALS
ORGANIC COMPOUNDS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM
PROGRESS REPORT
PYROLYSIS PRODUCTS
SILICA
SILICON COMPOUNDS
SILICON OXIDES
STEAM
TEMPERATURE EFFECTS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
WATER
YIELDS
010404* -- Coal
Lignite
& Peat-- Gasification
ADDITIVES
ALCOHOLS
ALKALI METALS
ALKALINE EARTH METAL COMPOUNDS
ALKANES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CARBON
CATALYTIC EFFECTS
CHALCOGENIDES
CHARS
COAL GASIFICATION
DOCUMENT TYPES
ELEMENTAL MINERALS
ELEMENTS
GASIFICATION
GRAPHITE
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
METALS
METHANE
METHANOL
MINERALS
NICKEL COMPOUNDS
NICKEL OXIDES
NONMETALS
ORGANIC COMPOUNDS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM
PROGRESS REPORT
PYROLYSIS PRODUCTS
SILICA
SILICON COMPOUNDS
SILICON OXIDES
STEAM
TEMPERATURE EFFECTS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
WATER
YIELDS