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...Read full aims and scope
Removal of methylene blue by using biosolid
General
The mechanism of Methylene Blue adsorption on biosolid (waste sludge) has been studied through batch experiments. The effects of various experimental parameters, such as pH (3- 11), biosolid dosage (1-10 g l-1), contact time (5-1440 min) and initial dye concentration were investigated. The results...
Synthesis of Fe3O4/SiO2/NiO magnetic composite: Evaluation of its catalytic activity for methylene blue degradation
Advanced Oxidation Processes
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...
Removal of methylene blue using activated carbon prepared from date stones activated with NaOH
Water and Wastewater Treatment
Synthetic dyes have a hurtful effect on human health and the environment. In this work, activated carbon was produced from date stones for use in elimination of methylene blue charged in aqueous solutions. Before that, the adsorbent was characterized by BET method, SEM, X-ray and TGA. The results of...
Removal of Methylene Blue from Aqueous Solutions Using Luffa Adsorbent Modified with Sodium Dodecyl Sulfate Anionic Surfactant
Water and Wastewater Treatment
Methylene blue is one of the most widely used dyes in various industries such as textiles and dyeing which, due to toxicity, causes several environmental problems as well as difficulties in wastewater treatment process. Therefore, many studies have been carried out on the removal of the dye from...
Solvothermal synthesis of truncated octahedron Cu2O and their catalytic applications on the degradation of methylene blue
Advanced Oxidation Processes
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...
Efficient Removal of Methylene Blue by Adsorption Using Composite Based Ca/Al Layered Double Hydroxide-Biochar
Water and Wastewater Treatment
Composite based Ca/Al layered double hydroxide and biochar was prepared using mixing coprecipitation method at pH 10. Composite and the starting materials was characterized using X-ray, FTIR, BET, thermal, and SEM-EDX analyses. Furthermore, composite was used as adsorbent of methylene blue from...
Adsorption of Methylene Blue using Bottom Ash: Experimental Design, Isotherm Analysis, and Optimum Conditions
Water and Wastewater Treatment
This study investigated the removal of methylene blue (MB) via adsorption using waste bottom ash. The bottom ash, sourced from a waste storage site in the Çorlu district of Tekirdağ province, Thrace Region, was utilized as the adsorbent. The research examined the impact of several variables on MB...
Removal of methylene blue dye in water by using recoverable natural zeolite/Fe3O4 adsorbent
Water and Wastewater Treatment
In this paper, the low-cost and practical adsorption for removing methylene blue (MB) dye has been developed by using recoverable natural zeolite that was magnetized with Fe3O4. The magnetization was conducted by co-precipitation technique. The adsorbents obtained from the magnetization were...
Biosorption of Methylene Blue dye by Ligustrum lucidum fruits biomass: Equilibrium, isotherm, kinetic and thermodynamic studies
Water and Wastewater Treatment
.In this work, biomass from Ligustrum lucidum fruits (LF) was used for the first time as a novel adsorbent to remove the Methylene Blue dye (MB) from aqueous solutions. The adsorption equilibrium was attained after 60 min, and the adsorption followed the pseudo-second-order kinetic model. The rise...
Biosorption of methylene blue from aqueous solutions by modified mesoporous Simarouba glauca seed shell powder
Water and Wastewater Treatment
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...
Comparison of methylene blue adsorption from aqueous solution using spent tea dust and raw coir pith
Pollution Control Technology
The purpose of the present work is to test the possibility of using the spent tea dust and raw coir pith for the removal of methylene blue (MB) from aqueous solution. The effects of the contact time, adsorbent dosage and solution pH were studied in batch experiments at 27 °C. Results showed that a...
Removal of a basic dye from aqueous solution by adsorption using rice hulls
General
The removal of dyes from colored effluents, particularly from textile industries, is one of the major environmental concerns these days. Current methods for removing dyes from wastewaters are costly and cannot effectively be used to treat wide range of such wastewaters. This work describes the use...
Methylene Blue removal from aqueous solutions by activated carbon prepared from N. microphyllum (AC-NM): RSM analysis, isotherms and kinetic studies
Water and Wastewater Treatment
This study was conducted to remove Methylene Blue (MB) from aqueous solution using activated carbon prepared from N. microphyllum (AC-NM) as a new, cheap, and non-toxic. Design of experiments based on Response Surface Methodology (RSM) conducted to investigate the effect of variables namely; initial...
Acid and Ultrasound Assisted Modification of Boron Enrichment Process Waste and Using for Methylene Blue Removal from Aqueous Solutions
Water and Wastewater Treatment
In this study, raw boron enrichment waste was treated with hydrochloric acid and ultrasound at 35-kHz frequency for 60 minutes. To optimize the adsorption conditions for removal of methylene blue (MB) from synthetic wastewaters using raw boron enrichment waste (BEW), acid modified boron enrichment...
Removal of methylene blue from aqueous solutions with hybrid bioprocess: biosorption on modified cork powder and soluble turnip peroxidase
Water and Wastewater Treatment
Methylene blue (MB) removal from aqueous media using hybrid bioprocess: biosorption on modified cork powder (SDS-cork) and soluble turnip peroxidase (STP) was investigated. Cork powder was modified with sodium lauryl sulphate (SDS). Chemical composition of the biosorbent were characterized by...
Cationic Dye Removal By Sugarcane Bagasse Activated Carbon From Aqueous Solution
Water and Wastewater Treatment
Low cost agricultural waste adsorbents can be viable alternatives to activated carbon for the treatment of contaminated wastewater. Sugarcane Bagasse, an abundant agriculture waste in Egypt, was used in the present study to prepare activated carbon. Batch adsorption experiments were conducted to...
Biosorption of cationic dyes from aqueous solution by Water hyacinth roots
General
Water hyacinth Eichhornia crassipes was found to have biosorption capacity for cationic dyes, malachite green and methylene blue from aqueous solutions. To evaluate the biosorption capacity and characteristics, the effect of solution pH, initial dye concentration, temperature, dose of biosorbent...
Purification of waste water from cationic dye using SPGMA polymer: Isotherm and Kinetic study
Water and Wastewater Treatment
One of the known methods for dye removing from waste water is using sorbent material for fine removal of dye .The nano- cation exchanger Sulphonated poly glycidyl methacrylate (SPGMA polymer) was used as sorbent material for removing one of the common cationic dyes. SPGMA polymer was prepared and...
Super Absorbent Polymers in Environmental Remediation
General
Laboratory studies reported earlier, have shown very promising results in the selective removal of dyes from aqueous solutions by a commercially available (super absorbent polymer) SAP, Jalshakti® (JS). JS is mesoporous in nature and is a potential adsorbent for the basic dyes studied. This paper...
Magnetic peanut hulls for methylene blue dye removal: Isotherm and kinetic study
Water and Wastewater Treatment
Biosorption is an emerging technique for water treatment utilizing abundantly available biomaterials.The potential feasibility of magnetic peanut hulls particle for removal of cationic dye (methylene blue) from aqueous solution was investigated. The effects of various experimental parameters were...
Investigation of adsorptive properties of Ag2CO3-polyaniline composite for environmental pollution control
Water and Wastewater Treatment
In this research, the Ag2CO3-PANI composite was synthesized with a simple precipitation method and then used as an effective adsorbent for adsorption of Methylene Blue cationic dyes from aqueous solution. Characterization of the adsorbent was carried out using UV–visible diffuse reflectance...
Scenedesmus regularis: An alternative biosorbent for the efficient and fast removal of methylene blue
Water and Wastewater Treatment
This study focused on removing methylene blue (MB) from aqueous solutions using microalga Scenedesmus regularis as a biosorbent. The biomass was characterized by Fourier transform infrared spectroscopy (FT-IR) and field emission scanning electron microscopy (FE-SEM). The difference in thermal...
Biosorption of crystal violet and methylene blue dyes using coconut shell powder
Water and Wastewater Treatment
In this study, coconut shell biosorbent was synthesized through chemical processes and activated using concentrated sulfuric acid to serve as an organic adsorbent for the effective removal of dye molecules, particularly Crystal Violet (CV) and Methylene Blue (MB), from wastewater. The biosorbent's...
The Synthesis of Titania Nanoparticles (TiO2) and its Methylene Blue Dye removal efficiency through Photocatalysis based on Response Surface Methodology (RSM)
Nanomaterials in the environment: applications and effects
Water pollution has been acknowledged as an issue of concern due to recalcitrant pollutants like textile dyes. Therefore, the eco-friendly synthesis of nano-particles (NPs) through green chemistry approach from sources and materials of organic origin has not only enhanced the properties of substance...
Facile Prepared Fe3O4 Nanoparticles as a Nano-Catalyst on photo-Fenton process to remediation of methylene blue dye from water: Characterisation and Optimization
Nanomaterials in the environment: applications and effects
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...
Thematic areas
Circular economy
Climate change and air pollution
Solid waste management
Water and wastewater
Biosorption of Pb(II) Ions through Nanostructured Teff Straw based Magnetized Activated Biocarbon: Aspects on Modeling, Optimization, and Kinetics
Innovative environmental solutions
16-10-2024
Elimination of malachite green by modified Fenton like process. Application of Box Behnken design
Advanced Oxidation Processes...
16-10-2024
An Automatic Data-Driven Long-term Rainfall Prediction using Humboldt Squid Optimized Convolutional Residual Attentive Gated Circulation Model in India
Climate change mitigation...
14-10-2024
Efficient Biomedical Waste Management: Optimizing Segmentation and Classification with EnU-Net-DNN-BMWC
Solid Waste Management
14-10-2024
Nitrate source analysis of underground drinking water sources in Zhangjiakou main urban area and its health risk assessment
Water Quality
09-10-2024
Groundwater quality assessment for drinking and irrigation purposes in arid to semiarid region of Indus Basin of South Punjab, Pakistan
Water Quality
09-10-2024
Effective removal of Calcium and Magnesium Ions from boiler feed Water using Polyacrylonitrile supported titanium tungstovanadate composite ion exchange nanofiber
Water and Wastewater...
09-10-2024
Optimization of the Freeze Crystallization Process for Recovering of Copper (II) Sulphate from Electroplating Wastewater Using Response Surface Methodology (RSM)
Water and Wastewater...
08-10-2024
Air Pollution and Urban Economic Growth: A Study Based on Dynamic Models
Environmental Management and...
08-10-2024
Phytochemical characterization and valorization of Quercus ilex (west of Algeria)
General
30-10-2024
Optimizing Object Detection in Bio-Waste Management with Improved Hyperbolic Tangent YOLOv5 and Binarization-Adapted K-Means Algorithm
Biowaste
30-10-2024
Spatial-temporal variations and Attribution analysis of SO2 concentration in Beijing-Tianjin-Hebei regions from 2013 to 2022
Air Quality
28-10-2024
Optimization of Lipid Production from Paddy Straw Using Dilute Acid Pretreatment and Fermentation by Rhodosporidium Toruloides
General
28-10-2024
Natural Self-Purification of Creek Ecosystems: The Role of Foam Formation in Pollutant Absorption and Microbial Decomposition
Water and Wastewater...
28-10-2024
Comparative Sensitivity Analysis of GA, PSO, and PSO-GA Algorithms for Carbon Environment Development and Sustainability
Climate change mitigation...
28-10-2024
Impact on Green Synthesised Al2O3 Nanoparticles on Performance and Emission Properties as Biodiesel operated diesel engine
Sustainable Energy
28-10-2024
Trajectory pattern extraction to climate data and climate change analytics
Climate change mitigation...
23-10-2024
Investigation of Cephalexin Removal Using Biochar Derived from Nephelium lappaceum Seeds
Water and Wastewater...
14-10-2024