Nanofiltration membranes review: Recent advances and future prospects

Molecular separation with organic solvent nanofiltration: a critical review.

Among the most challenging problems that human beings appear to face are depleting energy sources and increasing environmental pollutions. Heterogeneous photocatalytic processes are the most reward...

Magnetically separable nanocomposites based on ZnO and their applications in photocatalytic processes: A review

A comprehensive review on anti-fouling nanocomposite membranes for pressure driven membrane separation processes

Chemistry and fabrication of polymeric nanofiltration membranes: A review

Preparation of polysulfone nanofiltration membranes by UV-assisted grafting polymerization for water softening

The photocatalysts of TiO2/Fe2O3 and ZnO/Fe2O3 based on clinoptilolite natural zeolite were synthesized by impregnation route and sol-gel methods The synthesized photocatalysts were characterized by XRD, XRF, EDX, FE-SEM, FT-IR, BET and UV–vis DRS analyses. The results of XRD, FT-IR, and EDX confirmed the presence of Fe2O3, TiO2, and ZnO nanoparticles on the surface of clinoptilolite. The FE-SEM results confirmed deposition of TiO2/Fe2O3 and ZnO/Fe2O3 on the surface of zeolite. The approximate particle size of TiO2/Fe2O3 and ZnO/Fe2O3 was 47 and 34 nm, respectively. According to the XRF results, the synthesized nanoparticles had Fe3+/TiO2 and Fe3+/ZnO molar ratios of 0.06 in TiO2/Fe2O3/Zeolite and ZnO/Fe2O3/Zeolite, respectively. Based on BET analysis, the surface area of TiO2/Fe2O3/Zeolite and ZnO/Fe2O3/Zeolite was about 112 and 289 m2/g, respectively. UV–vis DRS analysis confirmed that both TiO2/Fe2O3/Zeolite and ZnO/Fe2O3/Zeolite have high absorbtion capacity at visible light region. The performance of these two photocatalysts in degradation of diphenhydramine (DPH) from contaminated water was evaluated by investigating the effects of operational factors such as concentration of the contaminant (1–100 mg/l), photocatalysts (0.5–2 g/l), irradiation time (45–180 min), and pH (4–10). The results of the photocatalytic experiments revealed that the ZnO/Fe2O3/Zeolite had a more effective performance in degrading DPH, compared to TiO2/Fe2O3/Zeolite. Under the optimal conditions, the efficiency of DPH degradation with TiO2/Fe2O3/Zeolite (DPH: 50 mg/l, hydrogen peroxide: 50 mg/l, irradiation time: 120 min, photocatalyst: 0.5 g/l, pH = 5) and ZnO/Fe2O3/Zeolite (DPH: 50 mg/l, hydrogen peroxide: 50 mg/l, irradiation time: 100 min, photocatalyst: 0.5 g/l, pH = 10) was 80 and 95%, respectively.

Degradation of Diphenhydramine by the Photocatalysts of ZnO/Fe 2 O 3 and TiO 2 /Fe 2 O 3 Based on Clinoptilolite: Structural and Operational Comparison

Novel sulfonated polyamide thin-film composite nanofiltration membranes with improved water flux and anti-fouling properties

Amoxicillin separation from pharmaceutical solution by pH sensitive nanofiltration membranes

Fabrication of alumina/polysulfone nanocomposite membranes with biofouling mitigation approach in membrane bioreactors

Maryam Homayoonfal

Papers

Preparation of polysulfone nanofiltration membranes by UV-assisted grafting polymerization for water softening

Degradation of Diphenhydramine by the Photocatalysts of ZnO/Fe 2 O 3 and TiO 2 /Fe 2 O 3 Based on Clinoptilolite: Structural and Operational Comparison

Novel sulfonated polyamide thin-film composite nanofiltration membranes with improved water flux and anti-fouling properties

Amoxicillin separation from pharmaceutical solution by pH sensitive nanofiltration membranes

Fabrication of alumina/polysulfone nanocomposite membranes with biofouling mitigation approach in membrane bioreactors