Abstract: The disclosure relates to systems and methods that include using a plurality of reactors for the conversion of a stream of ammonia (NH3) to hydrogen (H2) and nitrogen (N2). The stream of ammonia is heated prior to introduction into each reactor. The reactors can be adiabatically operated.

Abstract: A system and method for removing, via a moving bed of sorbent, carbon dioxide from a reaction mixture in a reactor having a first region of a fixed bed of catalyst and a second region of the moving bed of sorbent separated from the first region by a perforated partition, performing in the reactor via the catalyst a reaction of reactants giving products of the reaction including at least a first product and carbon dioxide, sorbing carbon dioxide in the reactor by the sorbent to remove carbon dioxide from the reaction mixture having the reactants and the products, flowing sorbent having sorbed carbon dioxide from the reactor to a regenerator, heating the sorbent in the regenerator to remove sorbed carbon dioxide giving regenerated sorbent, flowing the regenerated sorbent to the reactor, and discharging an effluent including at least the first product from the reactor.

Abstract: The disclosure relates to systems and methods that include using a plurality of reactors for the conversion of a stream of ammonia (NH3) to hydrogen (H2) and nitrogen (N2). The stream of ammonia is heated prior to introduction into each reactor. The reactors can be adiabatically operated.