Catalysts for gasification of biomass
Conference
·
OSTI ID:6782160
The purpose of the project is to evaluate the technical and economic feasibility of generating specific gas products by catalytic gasification of biomass. Catalysts are widely used commercially to produce specific products from a variety of feedstocks. Application of catalysts for generation of valuable products from wood is an attractive possibility because of wood's favorable properties, namely a high volatiles content, low ash and low sulfur content. Direct processing of wood with many commercial catalysts is, therefore, potentially possible without severe catalyst poisoning. Commercial and prepared catalysts were found to be active for generation of synthesis gases from wood by steam gasification. A prepared catalyst, Ni-Co-Mo on silica-alumina doped with 2 wt % Na, retained activity indefinitely for generation of a methanol synthesis gas from wood at 750/sup 0/C (1380/sup 0/F) and 100 kPa (1 atm) absolute pressure. Results are presented for a variety of commercial and prepared catalysts used to enhance steam gasification of wood. Current studies are designed to develop process systems to realize the potential of catalyzed gasification of biomass. Systems that avoid catalyst deactivation by attrition and carbon deposition are being tested in bench scale equipment. Status of the development studies is presented. 6 references, 3 figures, 6 tables.
- Research Organization:
- Pacific Northwest Lab., Richland, WA (USA)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 6782160
- Report Number(s):
- PNL-SA-12270; CONF-840509-2; ON: DE85000371
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
09 BIOMASS FUELS
090222* -- Alcohol Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
140504 -- Solar Energy Conversion-- Biomass Production & Conversion-- (-1989)
ALCOHOLS
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL ACTIVATION
CHEMICAL COMPOSITION
COBALT
DEACTIVATION
ELEMENTS
FLUIDS
GAS YIELDS
GASES
GASIFICATION
HYDROXY COMPOUNDS
METALS
METHANOL
MOLYBDENUM
NICKEL
ORGANIC COMPOUNDS
PRODUCTION
SPECIFICITY
SYNTHESIS GAS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
VERY HIGH TEMPERATURE
WOOD
YIELDS
090222* -- Alcohol Fuels-- Preparation from Wastes or Biomass-- (1976-1989)
140504 -- Solar Energy Conversion-- Biomass Production & Conversion-- (-1989)
ALCOHOLS
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL ACTIVATION
CHEMICAL COMPOSITION
COBALT
DEACTIVATION
ELEMENTS
FLUIDS
GAS YIELDS
GASES
GASIFICATION
HYDROXY COMPOUNDS
METALS
METHANOL
MOLYBDENUM
NICKEL
ORGANIC COMPOUNDS
PRODUCTION
SPECIFICITY
SYNTHESIS GAS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
VERY HIGH TEMPERATURE
WOOD
YIELDS