Enhanced separation of oil in water emulsions using PVDF composite membranes reinforced with graphene oxide doped titania and silica nanoparticles.

An innovative composite membrane was developed by combining polyvinylidene fluoride (PVDF) with graphene oxide (GO), titania (TiO), and silica (SiO) nanoparticles (PGTS). This innovative membrane was created using solution casting and electrospinning techniques to enhance its surface area and hydrophilic characteristics, while incorporating photocatalytic properties for light-induced oil decomposition. The membrane structure was examined by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FT-IR).

Development of Cu-ZnO ZrO based polyacrylonitrile polymer composites for removing pharmaceutical pollutants and heavy metals from wastewater.

A new poly acrylonitrile polymer composite incorporating Cu-ZnO/ZrO was created and tested for its capacity to remove heavy metalsPb(II), Cd(II) and pharmaceutical pollutants (sulfamethoxazole and ibuprofen) from water using a combined approach of photocatalytic degradation and adsorption. The composite was fabricated by embedding copper nanoparticles (Cu NPs) within a ZnO/ZrOnanocomposite structure, supported by poly acrylonitrilepolymer. Material characterization was performed using FTIR, XRD, SEM, EDX, BET, and UV-Vis DRS techniques, showing a notable specific surface area of synthesized composite about 156 m²/g, pore size of 18.

Advanced theoretical insights into energetically favorable and structurally stable boron-doped graphitic carbon nitride for effective catalytic removal of nitrous oxide and carbon monoxide from industrial flue gases.

In this study, density functional theory (DFT) calculations are employed to evaluate the applicability of a boron-doped graphitic carbon nitride (B@g-CN) nanosheet for the reduction of nitrous oxide (NO) and carbon monoxide (CO). From the results, it is clear that the B-doping of graphitic carbon nitride is favorable energetically, and the resulting B@g-CN is both physically and thermodynamically stable. Nitrous oxide molecule spontaneously dissociates upon interaction with the B@g-CN surface from its oxygen side without requiring an external supply of energy, releasing -2.

Nanoscale grinding: Unlocking the nutrient potential of oxidized phosphate rocks for sustainable fertilizer innovation.

The current study delves into the transformative effects of intensive grinding to nanoscale upon oxidized phosphate rocks (PRs) of various grades, high (HMP), medium (MMP) and low (LMP) micro-sizes. Hence, the consequences of these transformative changes on phosphorous dissolution rate of these fractions using acetic acid, were carefully evaluated. The produced high (HNP) and medium (MNP) grades of nano-sized fractions revealed significant changes in their chemical composition, mineralogical, morphological and geometrical properties.

Sustainable synthesis and environmental application of chitosan-Ocimum basilicum leaves-ZnO composite membrane for permanganate ion removal in wastewater treatment.

This study introduces a novel and environmentally friendly method for developing a cross-linked chitosan-Ocimum basilicum leaves-ZnO (ChOBLZnO) composite membrane, specifically designed for the adsorption of permanganate ions (MnO-) from wastewater. Various characterization techniques, including Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and Brunauer-Emmett-Teller (BET) surface area analysis, were employed to confirm the membrane's synthesis quality, structural integrity, and surface properties crucial for adsorption. The BET analysis revealed a surface area of 228.

Sodium alginate-encapsulated nano-iron oxide coupled with copper-based MOFs (Cu-BTC@Alg/FeO): Versatile composites for eco-friendly and effective elimination of Rhodamine B dye in wastewater purification.

This study explores the effectiveness of Alginate-coated nano‑iron oxide combined with copper-based MOFs (Cu-BTC@Alg/FeO) composites for the sustainable and efficient removal of Rhodamine B (RhB) dye from wastewater through adsorption and photocatalysis. Utilizing various characterization techniques such as FTIR, XRD, SEM, and TEM, we confirmed the optimal synthesis of this composite. The composites exhibit a significant surface area of approximately 160 m g, as revealed by BET analysis, resulting in an impressive adsorption capacity of 200 mg g and a removal efficiency of 97 %.

Exploring the sustainable elimination of dye using cellulose nanofibrils- vinyl resin based nanofiltration membranes.

This study focuses on the development of a novel self-cleaning nanofiltration membrane for the efficient removal of the cationic dye methylene blue (MB) from industrial wastewater. The membrane is composed of vinyl resin (VR), cellulose nanofibrils (CNF), and titanium alpha aluminate (TAAL) nanoparticles.The TAAL loading ranged from 1 to 5 wt%, the pH varied from 5 to 10, and the initial MB concentration ranged from 10 to 50 ppm.