Greatpoint Energy, Inc.

Robert A Spitz

Alkis S Rappas

George Frederick Salem

Processes are provided for preparing a substantially free-flowing alkali metal gasification catalyst-loaded carbonaceous particulate suitable for use as a feedstock for the production of gaseous products, and in particular methane, via the catalytic gasification of the catalyst-loaded carbonaceous particulate in the presence of steam.

Processes for preparing a catalyzed carbonaceous particulate

Processes are provided for preparing a substantially free-flowing alkali metal gasification catalyst-loaded coal particulate suitable for use as a feedstock for the production of gaseous products, and in particular methane, via the catalytic gasification of the catalyst-loaded coal particulate in the presence of steam.

Processes for preparing a catalyzed coal particulate

The present invention relates to processes for hydromethanating a nickel-containing (and optionally vanadium-containing) carbonaceous feedstock while recovering at least a portion of the nickel content (and optionally vanadium content) originally present in the carbonaceous feedstock.

Hydromethanation of a carbonaceous feedstock with nickel recovery

The present invention relates to processes and apparatuses for hydromethanating a vanadium-containing carbonaceous feedstock while recovering at least a portion of the vanadium content originally present in the carbonaceous feedstock.

Hydromethanation of a carbonaceous feedstock with vanadium recovery

Processes are described for the extraction and recovery of alkali metal from the char that results from catalytic gasification of a carbonaceous material. Among other steps, the processes of the invention include a hydrothermal leaching step in which a slurry of insoluble particulate comprising insoluble alkali metal compounds is treated with carbon dioxide and steam at elevated temperatures and pressures to effect the conversion of insoluble alkali metal compounds to soluble alkali metal compounds. Further, processes are described for the catalytic gasification of a carbonaceous material where a substantial portion of alkali metal is extracted and recovered from the char that results from the catalytic gasification process.

Growing community of inventors

Abington, MA, United States of America

Robert A Spitz