NOVELTY - Gasification system (I) to generate many gases from a catalyzed carbonaceous feedstock, comprises: a first and a second gasifying reactor unit (301, 302); catalyst loading unit (201, 202); carbonaceous material processing unit (100); heat exchanger unit (401,402); acid gas remover unit; methane removal unit; and steam source (700).    USE - (I) is useful: to generate many gases e.g. methane from a catalyzed carbonaceous feedstock e.g. biomass, coal and petroleum coke; and to produce a product stream of pipeline-quality natural gas (all claimed).    ADVANTAGE - (I) has increased efficiency, component utilization and minimizes losses in overall production capacities.    DETAILED DESCRIPTION - Gasification system (I) to generate many gases from a catalyzed carbonaceous feedstock comprises: (a) a first and a second gasifying reactor unit (301,302) comprising a reaction chamber in which a catalyzed carbonaceous feedstock and steam are converted to many gaseous products (methane, hydrogen, carbon monoxide, carbon dioxide or hydrogen sulfide), unreacted steam, unreacted carbonaceous fines and a solid char product comprising entrained catalyst, a feed inlet to supply catalyzed carbonaceous feedstock into the chamber, a steam inlet to supply steam into the chamber, a hot gas outlet to exhaust a hot first gas stream out of the chamber comprising the gaseous products, a char outlet to withdraw the solid char product from the chamber and a fines remover unit to remove a portion of the unreacted carbonaceous fines that may be entrained in the hot first gas stream; (b) a single catalyst loading unit (201,202) to supply the catalyzed carbonaceous feedstock to the feed inlets of both the first and second gasifying reactor units, or a first and a second catalyst loading unit to supply the catalyzed carbonaceous feedstock to the feed inlets of the first and second gasifying reactor units, comprising a loading tank to receive one or more carbonaceous particulates and to load a catalyst onto the particulates to form the catalyzed carbonaceous feedstock and a dryer to thermally treat the catalyzed carbonaceous feedstock to reduce moisture content; (c) a single carbonaceous material processing unit (100) is present to supply the carbonaceous particulates to the loading tank of the single catalyst loading unit or to both the first and second catalyst loading units, or a first and a second carbonaceous material processing unit to supply the carbonaceous particulates to the loading tanks of the first and second catalyst loading units, where each carbonaceous material processing unit comprising a receiver to receive and store a carbonaceous material; and a grinder in communication with the receiver to grind the carbonaceous material into the carbonaceous particulates; (d) a single heat exchanger unit to remove heat energy from the hot first gas streams from both the first and second gasifying reactor units to generate steam and produce a single cooled first gas stream, or a first and a second heat exchanger unit (401,402) to remove heat energy from the hot first gas stream from the first and second gasifying reactor units to generate steam, a first cooled first gas stream and a second cooled first gas stream; (e) a single acid gas remover unit is present for a single heat exchanger unit to remove portions of carbon dioxide and hydrogen sulfide from the single cooled first gas stream, to produce a single acid gas-depleted gas stream comprising portions of methane, hydrogen and carbon monoxide from the single cooled first gas stream, or when the first and second heat exchanger units are present, a single acid gas remover unit to remove portions of carbon dioxide and hydrogen sulfide from the first cooled first gas stream and the second cooled first gas stream, to produce a single acid gas-depleted gas stream comprising portions of methane, hydrogen and carbon monoxide from both of the first and second cooled first gas streams, or a first and a second acid gas remover unit to remove portions of the carbon dioxide and hydrogen sulfide from the first and second cooled first gas stream to produce a first acid gas-depleted gas stream and a second acid gas-depleted gas stream, which together comprises portions of methane, hydrogen and carbon monoxide from the first and second cooled first gas streams; (f) a single methane removal unit to separate and recover a portion of the methane from the single acid gas-depleted gas stream to produce a single methane-depleted gas stream and a single methane product stream, or when the first and second acid gas-depleted gas streams are present, a single methane removal unit to separate and recover at least a substantial portion of the methane from the first and second acid gas-depleted gas streams to produce a single methane depleted gas stream and a single methane product stream, or a first and a second methane removal unit to separate and recover a portion of methane from the first and second acid gas-depleted gas streams to produce a first methane-depleted gas stream and a first methane product stream, and a second methane-depleted gas stream and a second methane product stream, where the first and second methane product streams together comprise portion of methane from the first and second acid gas-depleted gas streams; and (g) a single steam source (700) to supply steam to the steam inlets of the first and second gasifying reactor units, or a first and a second steam source to supply steam to the steam inlets of the first and second gasifying reactor units.    DESCRIPTION OF DRAWING(S) - The figure shows the gasification system having a single feedstock processing unit.    Feedstock processing (100)    Catalyst loading (201,202)    Gasification reactor 1 and 2 (301,302)    Heat exchanger (401,402)    Stream source (700)