Apparatus and system for swing adsorption processes related thereto

A process for removing contaminants from a gaseous feed stream, the process comprising:

• a) performing one or more adsorption steps;
• wherein each of the one or more adsorption steps comprises passing a gaseous feed stream at a feed pressure and a feed temperature through an adsorbent bed unit to separate one or more contaminants from the gaseous feed stream to form a product stream;
• b) performing one or more depressurization steps, wherein the pressure of the adsorbent bed unit is reduced by a predetermined amount with each successive depressurization step;
• c) performing one or more purge steps, wherein each of the one or more purge steps comprise passing a purge stream into the adsorbent bed unit, wherein the purge stream flows countercurrent to the direction of the feed stream, the purge stream is provided at a temperature at least 50° F. above the feed temperature and less than 450° F. and the purge stream flow rate is equal to or less than 20 molar % of the feed stream flow rate;
• d) performing one or more re-pressurization steps, wherein the pressure within the adsorbent bed unit is increased with each re-pressurization step by a predetermined amount with each successive re-pressurization step;
• and
• e) repeating the steps a) to d) for at least one additional cycle, wherein the cycle duration is for a period greater than 1 second and less than 600 seconds.