Herein, we provide an overview of the evolution graphene oxide synthesis routes (GOSR). The oxidation grapheneentails applications oxidizing agents which may affect process parameters, and purity oxide. utilization potential oxidants has commonly reported for large scale production Traditional approaches have been limited by properties reagents. Recently, various improved modified Hummers methods (IHM/MHM) emerged. strengths limitations conventional techniques reported. Synthetic processes...

Graphene, a two-dimensional single layered carbon atoms crystal lattice has grabbed much attention due to its unique electronic, surface, mechanical and optoelectronic characteristics. Owing structure properties, graphene opened new opportunities for the future systems devices, which led increase demand in numerous applications. However, scaling up production is still challenging job. Although there huge body of literature on synthesis using various techniques but eco-friendly cost–effective...

Abstract In line with the global recognition of waste-to-wealth concept aiming for circular economy, scientific articles are published in greatly increasing number on eco-friendly and sustainable utilization carbon nanocomposites. However, control structure properties waste-derived nanomaterials still requires substantial future research. this review, recycling materials into nanocomposites containing graphene narrated by overviewing all 120 publications currently available literature...

Polymer composites are favorite materials for sensing applications due to their low cost and easy fabrication. In the current study, composite nanofibers consisting of polyethylene oxide (PEO), oxidized multi-walled carbon nanotubes (MWCNT) copper (CuO) nanoparticles with 1% 3% fillers (i.e., PEO–CuO–MWCNT: 1%, 3%) were successfully developed through electrospinning humidity applications. The characterized by FTIR, XRD, SEM EDX analysis. Firstly, they loaded on an interdigitated electrode...

In this study, oxidative desulfurization (ODS) of modeled and real oil samples was investigated using manganese-dioxide-supported, magnetic-reduced graphene oxide nanocomposite (MnO2/MrGO) as a catalyst in the presence an H2O2/HCOOH oxidation system. MnO2/MrGO composite synthesized characterized by scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared (FTIR), diffraction (XRD) analyses. The optimal conditions for maximum removal...

This work presents the development of novel gypsum board composites for advanced thermal energy storage (TES) and electromagnetic interference (EMI) shielding applications. Activated carbon (AC) derived from spent coffee with a high surface area (SBET = 1372 m2/g) was used as shape stabilizer, while commercial paraffin, RT18HC, organic encapsulant phase change material (PCM). The AC showed remarkable encapsulation efficiency stabilizer PCM, ~120.9 wt% (RT18HC), melting enthalpy (ΔHm)...

The present work aimed to develop and validate a simple, rapid, sensitive, accurate, precise method for simultaneous determination of metformin hydrochloride vildagliptin in tablet biological samples. Isocratic elution both the analytes was performed at 35 °C by injecting 20 μL into Thermo Hypersil ODS C18 column (5 μm, 4.6 mm× 250 mm), while flow rate set 0.8 mL/min. mobile phase comprised methanol, acetonitrile, phosphate buffer (5:30:65, v / , pH 3.5), wavelength selected 212 nm. overall...

Recently, the role of carbon nanomaterials has been widely demonstrated in various industrial applications. Due to their unique chemical, physical, mechanical, and thermal properties, they have utilized improve drilling fluids' efficacy operational cost. The graphene-based are employed as a powerful alternative for oil gas industry issues. This review compiles carbon-based impact on industry, particularly rheological properties fluids. A comprehensive explication recent progress is...

Threat posed by the heavy metals has been increasing globally rendering many water bodies unfit for human consumption. This could be due to increase in concentrations of these above natural background. article reviews literature data on variation quality rivers, lakes, and ex-mining ponds Malaysia other selected countries. World Health Organization (WHO), United States Environmental Protection Agency, Malaysian standards (INWQS) are used as baseline pollution health risk assessments. It...

The present study focuses on fabrication of magnetic activated carbon (M-AC) using tire waste and its potential investigation for adsorption Cr (VI) from wastewater. composite material was synthesized by pyrolysis followed in situ magnetization method, characterized FTIR, FESEM, EDX, XRD analysis. maximum ion over adsorbent found (~99.5%) to occur at pH 2, sample volume 10 mL, dose 100 mg, contact time 30 min. process endothermic, feasible, spontaneous, follow pseudo second order the...

Throughout the world, construction industry produces significant amounts of by-products and hazardous waste materials. The steel-making generates welding dusts that are toxic to environment pose many economic challenges. Water-based drilling fluids (WBDF) able remove drill cuttings in a wellbore maintain stability prevent formation damage. To best our knowledge, this is first study reports application its derived graphene oxide (GO) as fluid-loss additive fluids. In research, GO was...

The current study reports the effect of different wt. ratios copper oxide nanoparticle (CuO-NPs) and reduced graphene (rGO) as fillers on mechanical, electrical, thermal properties waste polystyrene (WPS) matrix. Firstly, thin sheets WPS-rGO-CuO composites were prepared through solution casting method with ratios, i.e., 2, 8, 10, 15 20 wt.% CuO-NPs rGO in WPS synthesized composite characterized by Fourier transform infrared spectroscopy (FTIR), energy dispersive X-ray (EDX), diffraction...

Recently, value-added nanomaterials including nanoparticles or nanofluids have been significantly used in designing drilling fluids with tunable rheological properties to meet specific downhole and environmental requirements. In this work, we report novel water-based (WBDF) containing eco-friendly Fe3O4 (Fe3O4-NPs) prepared by using olive leaves extract (OLE) as a reducing capping agent. A series of economical excellent performance WBDF was obtained introducing low, medium, high...

The development of reliable and green methods for the fabrication metallic nanoparticles (NPs) has many advantages in field nanotechnology. In this direction, present work describes an eco-friendly cost-effective protocol production silver NPs (AgNPs) using aqueous extract

Allium species were examined to authenticate the chemotaxonomic controversy about these plants by analyzing their extracted compound profiles. Essential oils of various isolated using conventional hydro-distillation and solvent-free microwave extraction (SFME). A comparison isolation procedures was performed. The presence sulfur compounds in genus is a prominent characteristic for medicinal uses. These components characterized two-way hierarchical cluster analysis (HCA) principal component...

Herein, we report the synthesis of magnetic nanoparticle (MNP)-reduced graphene oxide (rGO) and polymethylmethacrylate (PMMA) composite (MNPs/rGO/PMMA) as adsorbent via an in situ fabrication strategy and, turn, application for adsorptive removal recovery Cr(VI) from tannery wastewater. The material was characterized XRD, FTIR SEM analyses. Under batch mode experiments, achieved maximum adsorption ion (99.53 ± 1.4%, i.e., 1636.49 mg Cr(VI)/150 adsorbent) at pH 2, dose 150 mg/10 mL solution...