Molten metal reactor swing system and process

Details Molten metal reactor swing system and process Molten metal reactor swing system and process

1995-04-19

1998-05-26

McMahon, Timothy

Gas: heating and illuminating

Generators

Retort

48 61, 48116, C10J 348

Patent

active

057558396

ABSTRACT:
Two or more (preferably three) simple single-chamber crucibles contain molten metal and are successively fed hydrocarbon feed to produce hydrogen, then fed oxygen-containing gas to produce CO, then fed hydrocarbon again, etc. Their operation is controlled by a swing valving sequence which connects the crucibles to a hydrogen header when they are producing hydrogen and to a CO header when they are producing CO, and possibly to a vent (or to the CO header) during the transition between H.sub.2 production and CO production (see FIG. 2). Each crucible (FIGS. 3, 4) preferably is in a pressure-tight steel housing, uses segmented refractories for simplicity in construction and reduction of thermal expansion effects and has an inlet lance (sparging tube) for feeding hydrocarbon and an outlet which emits product gases. Both inlet and outlet are preferably located in the head of each crucible. Swing valves are preferably located downstream of product heat-exchangers for lower temperature operation. Minimum dissolved carbon level during occasional cycles can be reduced to oxidize any sulfur in the melt and purge sulfur from the melt. Then vanadium can be periodically purged from the melt by still further oxidation.

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