The Global NEST Journal is an open access journal that publishes original research articles, short papers and critical reviews on all aspects of Environmental Science and Technology. These comprise, but are not limited to, Pollution Control Technology, Global Environmental Change, Air Quality, Water Quality, Water and Waste Water Treatment, Solid Waste Management, Hazardous Substances and Risk Analysis, Emerging pollutants. Relevant topics incorporating the methodologies and state of the art of disciplines such as Environmental Management Policies, Ecosystems and Natural Resources Management, Hydrology and Water Resources Management, Clean Energy and Sustainability are included.
Submitted manuscripts are initially reviewed by the editor and selected after rigorous peer review by scientists in order to assess the significance, originality and appropriateness for publication.
Articles submitted to Global NEST Journal benefit from its broad scope and readership. We aim for a turnaround time of 4 weeks from submission to first decision.
Global NEST Journal is addressed to professionals in Academic, Consulting Offices, Government Agencies and Organisations, as well as others responsible for the investigations, evaluation of complicated environmental issues of global interest.
Enhancement of photocatalytic activity of TiO2 nanoparticles by silver doping: photodeposition versus liquid impregnation methods
General
Silver doped TiO2 nanoparticles have been prepared by liquid impregnation (LI) and photodeposition (PD) methods and characterized by surface analytical methods such as scanning electron micrographs (SEM) and X-ray diffraction (XRD). The photocatalytic activity of silver doped TiO2 was tested by...
Influence of inorganic oxidants and metal ions on photocatalytic activity of prepared zinc oxide nanocrystals
General
Zinc oxide nanocrystals were prepared by precipitation method using ZnSO4.7H2O and NaOH as raw materials. The prepared ZnO nanocrystals were characterized by powder X-ray diffraction (XRD). Primary objective was to focus on the influence of inorganic oxidants, metal ions and anions on photocatalytic...
Synthesis of Fe3O4/SiO2/NiO magnetic composite: Evaluation of its catalytic activity for methylene blue degradation
Water and wastewater treatment and reuse
Photocatalytic degradation for wastewater treatment is a method that has recently attracted attention. In this research, a synthesized composite of Fe3O4/SiO2/NiO with magnetic properties was used for the photocatalytic degradation of methylene blue dye under UV light. Furthermore, the composites...
Photocatalytic ozonation for the degradation of tetradifon pesticide on Mn/TiO2 under visible light
Water and wastewater treatment and reuse
The photocatalytic activity of Mn doped TiO 2 for the ozonation of tetradifon pesticide in aqueous solution was studied. Various loadings of catalysts Mn/TiO 2 (1%, 2.5% and 5%) was prepared and characterized by standard analytical techniques. Photocatalyzed ozonation with 2.5% Mn/TiO 2 yielded 100%...
Depollution of Synthetic dyes From Wastewater Using Polyazomethine/TiO2 And Polyazomethine/ZnO Nanocomposites Via Photocatalytic Process
Water and wastewater treatment and reuse
We propose a simple method for synthesising Poly(azomethine), ZnO, TiO2, poly(azomethine)/TiO2, and poly(azomethine)/ZnO nanocomposites using an ultrasonication process, as well as the use of these nanomaterials for photocatalytic degradation of organic dyes (Methylene blue (MB), malachite green (MG...
Photocatalytic treatment of Olive Milling waste water: Oxidation of protocatechuic acid
General
The photocatalytic degradation of protocatechuic acid, a biorecalcitrant polyphenolic compound typically found in olive processing and wine distillery waste waters, has been investigated in aqueous heterogeneous solutions containing semiconductor powders (TiO2, ZnO) as photocatalysts, both in the...
Influence of the addition of M2+ (M: Co, Cu, Zn) on the properties and activity of Mo-TiO2 photocatalysts for water remediation
Water and wastewater treatment and reuse
TiO2 is the most effective photocatalyst but it has low adsorption in the visible region. Many efforts have been done to improve its photocatalytic activity in the solar region. In this study we use Mo-oxy species supported on titania surface since it is well known that titania surface can dispersed...
Non-thermal plasma-assisted growth of ZnWO4 hierarchical nanostructures: morphology, structure and photoactivity
General
Zinc tungstate (ZnWO4) photocatalyst was synthesized by precipitation method and treated with different non-thermal plasma to study its morphology, structure and photocatalytic activity. The X-ray diffraction results revealed that the plasma-treated ZnWO4 exhibited only wolframite structure and its...
Evaluation of several commercial polymers as support for TiO2 in photocatalytic applications
This work is aimed to select the best synthetic polymers available in the market with high transmittance in the TiO 2 activation range that can be coated with the semiconductor and withstand the photocatalytic oxidation conditions. Among eleven commercial organic polymers with different additives...
Photocatalytic abatement of o-xylene using adsorption enhanced ZnO/GAC catalyst in a continuous flow reactor: Catalytic potential, Fate of o-xylene and its by-products
Air pollution and health
Photocatalytic abatement of o-xylene was investigated by immobilized ZnO on granular activated carbon (ZnO/GAC) under UV irradiation. Immobilization of ZnO increased the breakthrough time and removal capacity by 51 and 57%, respectively, in optimal conditions. The catalytic potential of the ZnO/GAC...
Unveiling the industrial photocatalytic dye degradation of textile effluents using tailored eco-friendly AgO Nanoparticles
Water and wastewater treatment and reuse
In this study, tamarind leaf extract was used to effectively produce silver oxide (AgO) nanoparticles. Crystal violet (CV), Alizarin red (AR), Reactive black (RB), and rhodamine b (Rh B) degradation were examined to evaluate the effectiveness of AgO NPs. XRD patterns, UV-visible spectroscopy...
Simultaneous removal of estrogens and pathogens from secondary treated wastewater by solar photocatalytic treatment
Recently, the fate of emerging compounds in environmentally relevant samples has attracted considerable attention. Solar semiconductor photocatalysis may offer an appealing methodology to treat such contaminants. At the same time the use of solar photocatalysis for water and wastewater disinfection...
Enhanced photocatalytic degradation of Remazol Black under visible light illumination through S doped TiO2 (S-TiO2) nanoparticles: Operational factors and kinetic study
Water and wastewater treatment and reuse
The degradation of Remazol Black (RBB) by S-TiO2 photocatalyst was investigated. X-ray diffraction, fourier-transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, and UV-vis specular reflectance spectroscopy has been used to characterize S-TiO2. The results...
Facile Prepared Fe3O4 Nanoparticles as a Nano-Catalyst on photo-Fenton process to remediation of methylene blue dye from water: Characterisation and Optimization
Circular Economy and Bioeconomy
In this research, a simple method for the preparation of Fe3O4 nanoparticles (Fe3O4NPs) with an average size of 38.05 nm via co-precipitation was investigated. X-ray diffraction (DRX), scanning electron microscopy (SEM), and infrared spectroscopy (FT-IR) were used to characterize obtained Fe3O4...
The degradation of phenol in water solution by TiO2 photocatalysis in a helical reactor
General
Heterogeneous photocatalysis is an advanced oxidation process (AOP) which has been widely studied by numerous researchers in the world and is used to degrade or remove a wide range of pollutants in water and air. The photocatalytic oxidation and mineralization of phenol in aqueous catalyst...
Investigation of the effect of operational parameters and SnO2-coupling on the photocatalytic activity of TiO2
General
The effect of different operational parameters in UV/TiO2 process, such as initial dye concentration (20-50 mg l-1), light intensity (8-45 W m-2), pH (2.83-10.22), hydrogen peroxide concentration (100-500 mg l-1), temperature (21-45 ˚C) and photocatalyst concentration (150-900 mg l-1) were...
Nanocrystalline TiO2 and Halloysite clay mineral composite films prepared by sol-gel method: Synergistic effect and the case of silver modification to the photocatalytic degradation of Basic Blue- 41 azo dye in water.
Water and wastewater treatment and reuse
Tubular halloysite clay mineral and nanocrystalline TiO 2 were incorporated in the preparation of nanocomposite films on glass substrates via sol-gel method at 450ºC. The synthesis involves a simple chemical method employing nonionic surfactant molecule as pore directing agent along with the acetic...
Photocatalytic removal of cefazolin from aqueous solution by AC prepared from mango seed+ZnO under UV irradiation
Water and wastewater treatment and reuse
Presence of antibiotics in the environment specially in aqueous environments is considered a major warning about health and environment. Thus, this study aims the efficiency of coupled process of Activated Carbon (AC) prepared from mango seed+ZnO under UV irradiation as an advanced oxidation process...
Hydrology and Water Resources Management
16-04-2025
Sustainable Energy
09-04-2025
Air pollution and health
04-04-2025
Environmental management and policy
03-04-2025
Air pollution and health
02-04-2025
Sustainable Energy
31-03-2025
Water and wastewater treatment and reuse
31-03-2025
Environmental management and policy
27-03-2025
Air pollution and health
26-03-2025
Environmental management and policy
13-05-2025
Solid Waste Management
12-05-2025
Hydrology and Water Resources Management
12-05-2025
Circular Economy and Bioeconomy
12-05-2025
Water and wastewater treatment and reuse
12-05-2025
Circular Economy and Bioeconomy
12-05-2025
Environmental management and policy
09-05-2025
Climate change
09-05-2025
Water and wastewater treatment and reuse
07-05-2025
