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.
Weathering of Lead in Fort Irwin Firing Range Soils
General
This paper investigates the physical and chemical transformation of metallic lead (Pb) in Ft. Irwin firing range soils. Soil samples were collected from berms of two small arms firing ranges, an active one and an abandoned one, located in the Mojave desert. Pb bullet fragments found in field samples...
Green synthesis of magnesium oxide nanoparticles using leaves of Iresine herbstii for remediation of Reactive Brown 9 dye
Water and wastewater treatment and reuse
Nanotechnology is the newest and one of the most promising areas of research in modern medical sciences. Metal nanoparticles possess extraordinary optical, thermal, chemical properties and are being widely used in industrial, electronics, and biomedical fields. It has presented its potential to...
Effective removal of Direct Orange 26 dye using copper nanoparticles synthesized from Tilapia fish scales
Circular Economy and Bioeconomy
The performed work reports the manipulation of a collective local surplus solid (fish scales of tilapia) for the synthesis of copper nanoparticles. The technique was so customary to establish to be green, clean for the environment, and less expensive. Copper nanoparticles were synthesized using...
Use of micro X-ray absorption spectroscopy and diffraction to delineate Cr(VI) speciation in COPR
General
The speciation of Cr(VI) in Cromite Ore Processing Residue was investigated by means of bulk XRD, and a combination of micro-XRF, - XAS and –XRD at the Advanced Light Source (ALS), Berkeley, CA, U.S.A.. Bulk XRD yielded one group of phases that contained explicitly Cr(VI) in their structure, Calcium...
Bio-Inspired Synthesis of CuO and ZnO Nanoparticles by Hydrothermal Method: Characterization and Evaluation as Photocatalytic Degradation of Imidacloprid Pesticide
Water and wastewater treatment and reuse
In this work, copper oxides (CuO) and zinc oxide (ZnO) nanoparticles were synthesized using Abelmoschus esculentus (A. esculentus) leaves extract by hydrothermal method and subsequently employed for degrading recalcitrant pesticide imidacloprid (IMI). The CuO and ZnO nanoparticles were characterized...
Performance Evaluation of Fly Ash-based Geopolymer Concrete Incorporating Nano Slag
Green Chemistry and Sustainable Development
This study investigates the effectiveness of fly ash-based geopolymer concrete was conducted to be used as an alternative material to replace the normal concrete. The concrete mixture was prepared by mixing fly ash, fine aggregate, nano-slag, and SP in Na2SiO3/NaOH solution. The mixture was divided...
Evaluation of antibacterial activity using Aerva lanata and Millettia pinnata leaf extracts mediated ZnO and Cu-doped ZnO nanoparticles
Circular Economy and Bioeconomy
A green synthesis using a simple precipitation method produced zinc oxide (ZnO), leaf extractions of zinc oxide as Aerva lanata (Al-ZnO) and Millettia pinnata (Mp-ZnO), copper-doped Al-CZnO and Mp-CZnO nanoparticles (NAPs). They were characterized for their functional group, structural...
Effects of V2O5 and WO3 loadings on the catalytic performance of V2O5-WO3/TiO2 catalyst for SCR of NO with NH3
Air pollution and health
V 2O 5-WO 3/TiO 2 catalysts were fabricated by a simple impregnation method. Effects of V 2O 5 and WO 3 loadings on the catalytic performance of V 2O 5-WO 3/TiO 2 catalyst for selective catalytic reduction (SCR) of NO with NH 3 were investigated. Morphology and structure of the V 2O 5-WO 3/TiO 2...
Eco-Friendly Chopped Tire Rubber as Reinforcements in Fly Ash Geopolymer Concrete
One of the major challenges faced by researchers is to recycle industrial wastes in a manner that reduces their environmental impact in nature. An experimental study was carried out to determine the suitability of using chopped tire rubber as reinforcements in green and sustainable geopolymer...
Chitosan-doped ZnO Nanoparticles for Antibacterial, Antifungal, and Food Preservation Applications
Circular Economy and Bioeconomy
Chitosan-doped zinc oxide nanoparticles (CS-ZnO NPs) were meticulously fabricated using the sol-gel methodology. The CS-ZnO NPs underwent comprehensive analytical assessments, employing advanced techniques, encompassing X-ray diffraction (XRD), scanning electron microscopy (SEM), UV visible (UV-Vis)...
Synthesis of Multi Wall Carbon Nanotubes based on zirconium oxide as supported material and its application as nanosorbent for copper ions removal
Circular Economy and Bioeconomy
Water pollution caused by various toxic contaminants has become one of the world's most serious issues. Nanotechnology has received a lot of attention in recent decades, and various nanomaterials for water remediation have been developed. For this purpose, MWCNTs were directly synthesized using a...
Adsorptive Capacity of Malachite Green onto Mg/M3+ (M3+=Al and Cr) LDHs
Water and wastewater treatment and reuse
Layered double hydroxides (LDHs) of MgM3+ (M3+=Al and Cr) were synthesized by coprecipitation method to form Mg/Al and Mg/Cr LDHs. The materials were applied as adsorbents of malachite green in aqueous solution. The physical properties of Mg/Al and Mg/Cr were analyzed using XRD, FTIR, BET and TGDTA...
High Selectivity and Adsorption Capacity for Congo Red Toward Anionic Dyes by Adsorbent: Modified LDH with Hydrochar Made from Nephelium Lappaceum Peel
Water and wastewater treatment and reuse
Synthesis of Ni/Al-LDH prepared into Ni/Al-Hc composites using hydrochar from rambutan peel (Hc) and applied as a congo red adsorbent and analyzed based on adsorption selectivity, kinetics, isotherms, adsorption thermodynamics and recycling. The success of Ni/Al-Hc composite preparation was proven...
Photocatalytic Degradation of reactive violet 1 by Polyorthotoluidine/Titanium dioxide nanocomposite
Water and wastewater treatment and reuse
Conducting poly(o-toluidine) (POT)/titanium dioxide (TiO2) nanocomposite have been synthesized by in situ chemical oxidation polymerization of o-toluidine in the presence of TiO2 nanoparticles. The various composites were synthesized by changing the percentage load of titanium dioxide nanoparticles...
Green Synthesis of ZnO Nanoparticles Using Moringa Oleifera Leaf Extract for Efficient Photocatalytic Degradation of Organic Dyes
Water and wastewater treatment and reuse
In this research, we provide a method for synthesizing ZnO nanoparticles using Moringa Oleifera Leaf (M.O Leaf) Extract. UV-VIS Spectroscopy, Scanning Electron Microscopy, EDS, X-ray diffraction and Fourier Transform Infrared Spectroscopy (FTIR) were used to create and characterize ZnO nanoparticles...
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...
Modified Mangosteen shell carbon in the removal of Pb (II) and Hg (II) from aqueous solution-Isotherm and Kinetic studies
Water and wastewater treatment and reuse
An adsorbent was prepared from Mangosteen shell using sulphuric acid and sodium bicarbonate as modifiers. Bicarbonate treated mangosteen shell (BTMC) was characterized using FT- IR, SEM, EDAX and XRD data. The Freundlich adsorption isotherm model gives a good fit. The maximum adsorption capacities...
Dehalogenation of chlorobromophenol by ozonation using heterogeneous catalyst
Water and wastewater treatment and reuse
Ozone initiated oxidation of 2-chloro,4-bromophenol, (CBP) in aqueous system catalyzed by 1, 2.5 and 5% loadings of 1:1 molar ratio of Ce-Zr oxide on TiO 2 were studied. The synthesized catalysts were characterized via BET, ICP, PXRD, TPD, TEM, SEM, and FT-IR analysis. The powder XRD data revealed...
Effect of additives on the compressive strenght of slag-based inorganic polymers
General
The present paper aims to assess the effect of various additives on the compressive strength of inorganic polymers (geopolymers) synthesised using low Ca electric arc ferronickel slag and alkali activating solutions. The main operating parameters include pre-curing (48 hours), temperature (40 to 80...
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...
Synthesis and Characterization of Poly(o-chloroaniline)/TiO2 Nanocomposites for Photocatalytic Degradation of Direct Yellow 50 Dye in Textile Wastewater
General
The nanocomposites of poly(o-chloroaniline) with titanium dioxide have been prepared via chemical oxidative polymerization technique using o-chloroaniline monomer and titanium dioxide nanoparticles for photocatalytic application. The different composites were prepared by varying the load percentage...
Solvothermal synthesis of truncated octahedron Cu2O and their catalytic applications on the degradation of methylene blue
Water and wastewater treatment and reuse
Cu 2O photocatalyst is synthesized by solvothermal method. Morphology and structure of Cu 2O photocatalyst are analyzed by SEM, XRD and N 2 sorption technique. The catalytic performances and reaction kinetics of Cu 2O photocatalyst for the degradation of methylene blue (MB) are investigated. The...
Synthesis of pyrene-based Fe(II)-complex and its photovoltaic properties
General
(E)-2-((pyren-1-ylmethylene)amino)phenol (3) containing pyrene linked through an imine bond to a phenol unit was synthesized and its Fe-complex 4 was prepared. The complex 4 is characterized by infrared (IR), x-ray diffraction (XRD) and UV-Vis spectroscopy techniques. The synthesized complex was...
Biosorption of methylene blue from aqueous solutions by modified mesoporous Simarouba glauca seed shell powder
Water and wastewater treatment and reuse
The present study investigates the ability of formaldehyde treated Simarouba glauca seed shell powder for removal of methylene blue (MB) from aqueous solutions. Batch adsorption studies were carried out under various experimental conditions such as agitation time, dye concentration, adsorbent dose...
Synthesis, Characterization of Ag/Tio2 Nanocomposite: Its Anticancer and Anti-Bacterial and Activities
Environmental management and policy
TiO2 nanomaterials have gained much interest due to their importance of wide area application. In this study, TiO2 nanocomposites were modified with Ag NPs by the stober method. The synthesized nanocomposites were characterized by XRD, FTIR, scanning electron microscope (SEM) and energy dispersive X...
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
09-05-2025
Climate change
09-05-2025
Water and wastewater treatment and reuse
07-05-2025
Water and wastewater treatment and reuse
06-05-2025
Sustainable Energy
05-05-2025
Water and wastewater treatment and reuse
05-05-2025
Solid Waste Management
05-05-2025
Air pollution and health
05-05-2025
Environmental management and policy
05-05-2025
