Selection of AM technique based on key parameters such as materials, layer resolution, relative density as well as applications in water treatment.

Commercial AM system	AM technology	Materials	Layer resolution (μm)	Material phase	Applications in water treatment
3D systems	SLA	Photopolymers	50	Resin	Depends on surface chemistry and pore size
Carbon 3D	CLIP	Photopolymers	50	Resin	Same as above
Lithoz	LCM	Alumina, zirconia, silicon nitride	10–100	Slurry	Applicable where ceramic based membrane can be utilized
	3S	Alumina, zirconia	50	Slurry	Same as above
Nanoscribe GmbH	TPP	Photoresists	0.15	Resin	To be explored
ExOne	Voxeljet	Polymers, ceramics, alloys and composites	1.0	Powder	MF, UF, NF, RO, MD, FO
3D systems	Multijet (MJM)	Photopolymers, ceramics, polyamide, binders, solvents	30	Powder	MF
Stratasys	Polyjet	Photopolymers, ceramics, polyamide, binders, solvents	50	Powder mixed with binder/resin	MF
Stratasys	FDM	Thermoplastics, porcelain, clay, eutectic metals	127–330	Filament	To be explored
3D systems	SLS	Photopolymers, thermoplastics, ceramics, metals	60–180	Powder	MF
3D systems	SLM	Metals, alloys, ceramics	20–100	Powder	Applicable where ceramic based membrane can be utilized