Characterization and Evaluation of Reverse Osmosis Membranes Modified with Ag2O Nanoparticles to Improve Performance

Al-Hobaib, Abdullah S.; AL-Sheetan, Khalid M.; Shaik, Mohammed Rafi; Al-Andis, Naser M.; Al-Suhybani, M. S.

doi:10.1186/s11671-015-1080-3

Table 2 Summary of membrane characteristics from previous studies

From: Characterization and Evaluation of Reverse Osmosis Membranes Modified with Ag₂O Nanoparticles to Improve Performance

Nanoparticle type	Method	Modified membrane properties	Salt rejection	Flux (L/m² h)	Ref.
MgTiO₃ nanoparticles	IP (MPD/TMC)	Enhanced surface hydrophilicity, increase roughness	98	45	[46]
MgTiO₃ nanoparticles	MgTiO₃ in TMC/hexane	Enhanced surface hydrophilicity, increase roughness	98	45	[46]
Zeolite nanoparticles	IP (MPD/TMC)	Smoother, hydrophilic, and negatively charged surfaces	93	40.2	[47]
Zeolite nanoparticles	NaA in TMC/hexane	Smoother, hydrophilic, and negatively charged surfaces	93	40.2	[47]
Silica nanoparticles	IP (MPD/TMC)	Silica particle interacting well with the polyamide	91	27.2	[48]
Silica nanoparticles	Silica in MPD/water	Silica particle interacting well with the polyamide	91	27.2	[48]
Silica nanoparticles	IP (MPD/TMC)	Tunable pore radius and higher thermal stability	71.7	40.8	[49]
Silica nanoparticles	Silica in MPD/water	Tunable pore radius and higher thermal stability	71.7	40.8	[49]
Silver nanoparticles	IP (MPD/BTC)	Higher anti-biofouling effect	97	94	[50]
Silver nanoparticles	Silver in BTC	Higher anti-biofouling effect	97	94	[50]
TiO₂ nanoparticles	The neat TFC membrane was dipped in the transparent TiO₂ colloidal solution	Higher photocatalytic bactericidal efficiency under UV light	96.6	24.5	[51]
TiO₂ nanoparticles	IP (MPD/TMC)	Enhanced surface hydrophilicity	95	9.1	[52]
TiO₂ nanoparticles	TiO₂ in TMC and HCFC	Enhanced surface hydrophilicity	95	9.1	[52]
Zeolite nanoparticles	IP (MPD/TMC)	Increase roughness and contact angle	90.5	43.7	[53]
Zeolite nanoparticles	NaY in TMC/hexane	Increase roughness and contact angle	90.5	43.7	[53]
Al₂O₃ nanoparticles	IP (MPD/TMC)	Enhanced surface hydrophilicity	88	5	[54]
Al₂O₃ nanoparticles	Al₂O₃ in TMC/hexane	Enhanced surface hydrophilicity	88	5	[54]

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