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.
Comparative study on the removal of acid violet by adsorption on various low cost adsorbents
General
The kinetic studies on the removal of Acid Violet-17 (AV) by adsorption on various adsorbents such as fly ash (FA), iron chromium oxide (ICO), lignite coal (LC), kapok fruit shell carbon (KC) and cashew nut shell carbon (CC) have been made and the results have been compared with that of commercial...
Removal of gaseous ammonia released from leachate by adsorption on carbon-based adsorbents prepared from agro-industrial wastes
Water and wastewater treatment and reuse
Landfill facilities and organic waste treatment plants typically are known sources of odour pollution, such as gaseous NH3, among others. In this work, the removal of gaseous NH3 released from a composting line of a mechanical and biological treatment plant of undifferentiated municipal solid waste...
Study of polyacrylic acid adsorption on the interface of hydroxyapatite – electrolyte solutions
General
The adsorption of polyacrylic acid (PAA) on hydroxyapatite (HAP) from HAP saturated solutions was studied in this work as a function of PAA concentration, temperature, pH and ionic strength. In all experiments, the adsorption was studied under conditions of negatively charged adsorbent and adsorbate...
Acid and Ultrasound Assisted Modification of Boron Enrichment Process Waste and Using for Methylene Blue Removal from Aqueous Solutions
Water and wastewater treatment and reuse
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...
Adsorption of atrazine in packed beds
General
The adsorption of the herbicide atrazine in packed beds filled with solids modelling soil components, (silica and humic acid), was studied at conditions simulating the adsorption of atrazine in cultivated soils. The choice of only two constituents of soil in the experimental study was based on the...
Leaching of lead from clinoptilolite at acidic conditions
General
The leachability of Pb2+ from natural greek clinoptilolite was investigated according to the standard procedures TCLP/EPA/RCRA (1311), EPA Methods 1310, 1320 and DIN 38414-S4. Through SEM/EDAX analysis it was shown that lead was uniformly loaded onto the particles subjected to acid treatment...
Conversion of the styrofoam waste into a high-capacity and recoverable adsorbent in the removing the toxic Pb(II) from water media
Water and wastewater treatment and reuse
The sequential nitration and magnetization of waste styrofoam to form a novel adsorbent has been investigated. The novelty of this study assigned approach lies in the introduction of an anionic surface on the styrofoam, enabling it to adsorb cationic Pb2+ ion, combined with its magnetic property...
Removal of dyes from aqueous solutions by adsortion on mixtures of fly ash in batch and column techniques
General
Adsorption and removal of commercial dyes were studied in aqueous suspensions of fly ash mixtures with a sandy clay loam soil of low organic matter content. The commercial dyes, acid orange 7, acid yellow 23, disperse blue 79, basic yellow 28 and direct yellow 28 represent the widely used nitroazo...
Efficacy of Adsorbents of 2,4-D and Atrazine removal from water environment
General
The efficacy of low cost adsorbing materials for removal of 2,4-D (2,4 dichloro phenoxy acetic acid) and atrazine (2-chloro-4-ethyamino-6-isopropylamino-1,3,5 triazine) herbicides from drinking water was evaluated. Five low cost adsorbents, viz. wood charcoal, rubber granules, bottom ash, macro...
Feasibility of spent macroalgae biochar for removal of Acid Red 88 (AR) dye from its aqueous solution
Water and wastewater treatment and reuse
Biochar was synthesized from Kappaphycus alvarezii reject (KR) remove the anionic azo dye, Acid Red 88 from wastewater. In this study, biochar was experimented in both batch and column adsorption studies. Batch adsorption studies were performed at varying temperature (25 – 40 °C), dosage (1 – 10 g)...
Treatment of Acid Mine Drainage (AMD) using industrial by-product: Sorption behavior of steel slag for metal-rich mine water
Water and wastewater treatment and reuse
This study highlights the potential of steel slag, which is an industrial by-product of steel making industry as treatment media for metal-rich acid mine drainage (AMD). A series of batch adsorption studies has been done to demonstrate the effects of contact time, solution pH, initial concentration...
Efficiency of engineered/modified biochars-based adsorbents for removal of pollutants from aquatic environment: A critical review
Soil and groundwater contamination and remediation
Biochar shows substantial potential to contribute as a globally applicable adsorbent to decontaminate the water system due to the ample availability of feedstocks and valuable physio-chemical surface properties. This review aims to highlight the modification technologies of biochar, the alteration...
Activated Biochar from Gracilaria Edulis Seaweeds: A Novel Biosorbent for Efficient Uranium Ion Removal in Wastewater Treatment
Water and wastewater treatment and reuse
The biosorption of uranium ions was explored through batch studies employing activated biochar derived from Gracilaria Edulis seaweeds. A chemical synthesis approach utilizing concentrated sulfuric acid created and activated the adsorbent material. SEM and FTIR measurements were used to characterize...
Batch and Packed Bed Column Studies of Azo Dyes Adsorption from the Aqueous Solutions Using Activated Sugarcane Bagasse Charcoal Adsorbent: Isotherm and Kinetic Studies
Water and wastewater treatment and reuse
Biosorption of azo dyes (RO-16, RB-120 & RB-19) from the aqueous solutions was investigated using the activated sugarcane bagasse charcoal adsorbent. The characteristics of the prepared adsorbent were analyzed by SEM, EDX, FTIR, XRD, TG & DT analysis, and the BET surface area of the sugarcane...
Adsorption-desorption of doxycycline using pyrophosphoric acid-modified biochar derived from sesame stalk
Circular Economy and Bioeconomy
The knowledge of the adsorption-desorption behavior of doxycycline on pyrophosphoric acid modified biochar derived from sesame is limited. In this study, we examined the doxycycline sorption on pyrophosphoric acid modified-sesame stalk biochar. The isotherm and kinetic sorption data showed...
Adsorption and Kinetics Studies of Cu (II) ions Removal from Aqueous Solution by Untreated and Treated Sugarcane Bagasse
Water and wastewater treatment and reuse
Adsorption of Cu (II) ions by untreated sugarcane bagasse (USCB) and treated sugarcane bagasse (TSCB) was investigated. Sugarcane bagasse was treated with 0.1M oxalic acid prior to TSCB adsorption studies. Dependence of Cu (II) adsorption on pH, contact time, temperature and initial concentration of...
Enhancing biomethane quality via the activation of natural zeolite from Lombok Island
Sustainable Energy
This study presents the results of the biogas purification test using the fixed-bed column method. As an adsorbent, natural zeolite from the Lombok island Indonesia was used. Zeolite is used for the purpose of purifying biogas produced from the anaerobic digestion (AD) process. To enhance the...
Biosorption of crystal violet and methylene blue dyes using coconut shell powder
Water and wastewater treatment and reuse
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...
Biosorption of heavy metal ions from the aqueous solutions using groundnut shell activated carbon: batch adsorption, kinetic and thermodynamic studies
Water and wastewater treatment and reuse
Batch adsorption studies of heavy metals were carried out using activated charcoal groundnut shell powder as an adsorbent material. The groundnut shell was collected and synthesized by chemical synthesis to convert it into charcoal form. The prepared adsorbent’s pore size & surface area was analyzed...
Activated rice husk biochar for azo dye removal: batch adsorption, kinetics and thermodynamic studies
Water and wastewater treatment and reuse
The study aimed to analyze the adsorption behaviour of an activated rice husk biochar adsorbent in batch mode to expunge azo dye concentrations depletion from liquid solvents. The biochar adsorbent was formulated using different chemical synthesis processes, and its surface region was assessed using...
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...
Biosorption of heavy metals using Gracilaria edulisseaweed – batch adsorption, kinetics and thermodynamic studies
Water and wastewater treatment and reuse
Clean water and its requirement are one of the emerging needs in recent days. Water pollution creates more amount of toxic nature to the clean water and it increases the accumulation of poisonous contaminants in the water sources. Heavy metal ions are the type of toxic pollutant released from...
Phosphorus and organic matter removal from synthetic wastewater using alum and aluminum hydroxide
General
At present, chemical processes are widely used to remove phosphorus and organic matter from water or wastewater either as the only advanced treatment method or as a pre-treatment stage to biological treatment, and aluminium salts have been traditionally used as coagulants. In the present study...
Al (III) removal from wastewaters by natural clay and coconut shell
CEST2017 - Heavy metals in the environment
This paper describes the adsorption of Al3+ ions from aqueous solutions, by natural clay (from Sakarya's Yenigün district) and coconut shell modified by means of acid treatment. Batch experiments were carried out to determine the effect of various factors such as initial pH (4-9), temperature (20...
Ziziphus Jujube Seeds derived Biomass as Cost-Effective Biosorbent for the removal of Cr6+ from Aqueous solutions: Isotherm and Kinetic Studies
Water and wastewater treatment and reuse
Biosorption of hexavalent chromium ions from the synthetic solution was performed using activated Ziziphus jujube seeds powder as an adsorbent material. A chemical synthesis process prepared the adsorbent, and various methods have evaluated its characteristics. FTIR, SEM and EDX analysis was...
Climate change
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Circular Economy and Bioeconomy
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Climate change
18-04-2025
Climate change
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Hydrology and Water Resources Management
16-04-2025
Air pollution and health
14-04-2025
Air pollution and health
14-04-2025
Sustainable Energy
09-04-2025
Water and wastewater treatment and reuse
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Air pollution and health
21-05-2025
Environmental management and policy
20-05-2025
Solid Waste Management
19-05-2025
Climate change
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Solid Waste Management
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Water and wastewater treatment and reuse
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Environmental management and policy
13-05-2025
Solid Waste Management
12-05-2025
