Abstract: A catalytic reaction module for performing am endothermic reaction, such as steam reforming, including separator blocks. Each reactor defining a multiplicity of first and second flow channels arranged alternately within the block to ensure thermal contact between the first and second flow channels. The reactor blocks may be arranged and connected for series flow of a combustible gas mixture in the first flow channels. The reactor blocks may be arranged and connected for a gas mixture to undergo endothermic reaction in the second flow channels. Catalyst elements are provided within the flow channels and the catalyst may vary between the blocks or within a block. The catalyst may vary in chemical composition, in catalyst loading, or in active catalyst material.

Abstract: Tertiary diamines having formula (I), wherein Ar is an aromatic group selected from: formula (n), where n=1 to 3; formula (m), where m=1 to 3; formula (p), where p=1 to 3, R1 is a group selected from alkyl, alkenyl, cycloalkyl, cycloalkenyl, carbocyclic aryl optionally substituted by at least one group selected from halo, alkyl, cyano, nitro and cycloalkyl and an aromatic heterocyclic group optionally substituted by at least one group selected from halo, cyano, nitro, alkyl, cycloalkyl and aryl optionally substituted by at least one halo group; R2 is a fused bicyclic or tricyclic aromatic heterocyclic group selected from formula (A) and formula (B), which heterocyclic group may, optionally, be substituted by at least one group selected from halo, cyano, nitro, alkyl, cycloalkyl and aryl optionally substituted by at least one halo and wherein Q is O, S or N—R5 where R5 is H, alkyl, cycloalkyl or aryl optionally substituted by at least one group selected from halo, alkyl, cyano or nit