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Title: Method for the catalytic conversion of organic materials into a product gas

Patent ·
OSTI ID:870888
 [1];  [1]
  1. Richland, WA
+ Show Author Affiliations

A method for converting organic material into a product gas includes: a) providing a liquid reactant mixture containing liquid water and liquid organic material within a pressure reactor; b) providing an effective amount of a reduced metal catalyst selected from the group consisting of ruthenium, rhodium, osmium and iridium or mixtures thereof within the pressure reactor; and c) maintaining the liquid reactant mixture and effective amount of reduced metal catalyst in the pressure reactor at temperature and pressure conditions of from about 300.degree. C. to about 450.degree. C.; and at least 130 atmospheres for a period of time, the temperature and pressure conditions being effective to maintain the reactant mixture substantially as liquid, the effective amount of reduced metal catalyst and the period of time being sufficient to catalyze a reaction of the liquid organic material to produce a product gas composed primarily of methane, carbon dioxide and hydrogen.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
DOE Contract Number:
AC06-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
US 5616154
OSTI ID:
870888
Country of Publication:
United States
Language:
English

References (15)

Low-temperature conversion of high-moisture biomass: Topical report, January 1984--January 1988 report October 1988
A process study of the biothermal conversion of water hyacinths to methane: Scientific note journal April 1988
Heterogeneous methanation: Initial rate of CO hydrogenation on supported ruthenium and nickel journal October 1974
Conversion of Organic Waste to Fuel Gas journal June 1974
Alkali Carbonate and Nickel Catalysis of Coal—Steam Gasification book June 1974
Catalytic coal gasification for SNG manufacture journal January 1980
Thermocatalytic conversion of food processing wastes: Topical report, FY 1988 report January 1989
Gasification and Liquefaction of Forest Products in Supercritical Water book January 1985
Bench-Scale Reactor Tests of Low Temperature, Catalytic Gasification of Wet Industrial Wastes journal February 1993
Introduction to pyrolysis of biomass journal April 1982
Catalytic destruction of hazardous organics in aqueous solutions report April 1988
The conversion of cellulose to fuel gases promoted by selected solid additives journal January 1981
Equilibria in Aqueous Electrolyte Systems at High Temperatures and Pressures book June 1977
Catalytic Destruction of Hazardous Organics in Aqueous Wastes: Continuous Reactor System Experiments journal January 1989
Catalyzed steam gasification of biomass journal October 1979

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method
catalytic
conversion
organic
materials
product
gas
converting
material
providing
liquid
reactant
mixture
containing
water
pressure
reactor
effective
amount
reduced
metal
catalyst
selected
consisting
ruthenium
rhodium
osmium
iridium
mixtures
maintaining
temperature
conditions
300
degree
450
130
atmospheres
period
time
maintain
substantially
sufficient
catalyze
reaction
produce
composed
primarily
methane
carbon
dioxide
hydrogen
reduced metal
catalyst selected
reactant mixture
liquid water
pressure conditions
effective amount
product gas
organic materials
mixture containing
carbon dioxide
metal catalyst
organic material
liquid organic
composed primarily
liquid reactant
converting organic
pressure reactor
catalytic conversion
containing liquid
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