A process engineering arrangement comprises a temperature swing adsorption apparatus (1) with at least one adsorber device (10), which is configured to adsorb at least one component of a process gas (G11), in an adsorption mode, and to release the at least one adsorbed component into a purge gas (G12) at a regeneration temperature, in a regeneration mode; a heating device (11), configured to heat the purge gas (G12) to at least the regeneration temperature; and a solar energy device (12) being configured to feed energy to the heating device (11) for operating the heating device (11).