An Overview on 3D Printing of Structured Porous Materials and
a) 3D-printed self-standing zeolite 13X monoliths by DIW, SEM images of monoliths (zeolite content: 90 wt%) after thermal treatment. b,c) 13X monolith and d,e) 5A monolith, f) CO 2 adsorption capacities for 3D-printed monoliths and zeolite powders obtained at 25 °C using 0.3% and 0.5% CO 2 in N 2 (R2–R4 for zeolite content equals to 80, 85, and 90 wt%,