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.
Studies on Biodegradation of Phenols and m -Cresols by Upflow Anaerobic Sludge Blanket and Aerobic Sequential Batch Reactor
General
Wastewaters from fossil fuel refining, pharmaceuticals, and pesticides are the main sources of phenolic compounds. Those with more complex structures are often more toxic than the simple phenol, and yet little is known about the treatment of wastewater containing a mixture of phenolic pollutants....
SIMULTANEOUS CARBON AND NUTRIENT REMOVAL FROM DAIRY WASTEWATER IN SEQUENCING BATCH REACTOR (SBR)
Water and wastewater treatment and reuse
Sequencing batch reactor (SBR) is a time-oriented wastewater treatment (WWT) system in a single reactor with flow and energy input according to the predetermined operational cycle time. The treatment efficiency of SBR varies with the duration of the cycle time, which affects the reactor size and...
Point source pollution and climate change impact from sequential batch reactor wastewater treatment plant
Environmental Sciences
Since sequential batch reactor (SBR) system is sequentially removes carbon, nitrogen and phosphorous in a single reactor by maintaining anoxic and aerobic stages, it recently has attracted a great deal of interest. This study evaluates the impact of wastewater treatment plant (WWTP) with a SBR...
Kinetic and Fixed Bed Studies for Copper Removal from Solutions by Walnut Tree Sawdust (Juglans regia Linnaeus)
Pollution Control Technology
This study investigates the adsorption kinetics and removal conditions of copper by walnut tree sawdust from synthetic solutions in the batch and fixed bed reactors. The selected experimental parameters for the batch reactor were concentration, solution pH, adsorbent amount and temperature. The...
Recovery of nitrogen removal by N2H4 after nitrite inhibited anammox reaction
Water and wastewater treatment and reuse
A pilot-scale sequencing batch reactor (SBR) for anaerobic ammonium oxidation (anammox) of bacteria culture was used along with a batch experimental reaction device to study the effect of NO2--N concentration on the activity of anammox bacteria and the recovery of N2H4 on anammox bacteria after...
Biological decolorization of reactive azo dye by anaerobic/aerobic-sequencing batch reactor system
Water and wastewater treatment and reuse
This study aims to investigate the removal of a reactive azo dye (Reactive Red 198) in anaerobic/aerobic sequencing batch reactors (SBR). The total volume of the SBR system used in the study was 10 l. Sludge age was selected as 15 days. The color removal efficiencies varied between 76 to 98% with...
Biosorption of chromium (VI+) using tamarind fruit shells in continuously mixed batch reactor
Water and wastewater treatment and reuse
The locally available tamarind fruit shells (TFS) pre-treated with 1N H3PO4 was used to remove the hexavalent chromium (Cr6+) from aqueous phase. The investigation was done by using continuously mixed batch reactor (CMBR) under room temperature. Few preliminary investigations was undertaken to...
Color Removal from Wastewater by Using Two-Step (Biological and Chemical) Aerobic Filter Reactors
Environmental Sciences
The discharge of colored textile wastewaters containing dyes with different chemical characteristics into the receiving streams is a problem for toxicological, ecological and also esthetical reasons. Most of dyes are stable, and not easily degradable by the conventional treatment methods, so removal...
Assessment of toxicity and anaerobic degradation of antiosmotic drug based pharmaceutical effluent in an upflow anaerobic fluidized bed system
General
During the production of cephradine (a main constituent of anti-osmotic drug) a large quantity of concentrated effluent was produced. The main polluting compounds in this effluent are osmotic drug, acetic acid and ammonia. The main objectives of the study were to assess the toxicity in terms of...
Zeolite and Activated Carbon Combined with Biological Treatment for Metals Removal from Mixtures of Landfill Leachate and Domestic Wastewater
Solid Waste Management
Current study was carried out to investigate the heavy metals removal from landfill leachate and urban wastewater by powdered activated carbon and powdered zeolite augmented SBR technique. The research was carried out in six 2000 mL breakers (working size was 1200 ml). The reactors were parted into...
AN EXPERIMENTAL STUDY ON CONTINUOS REMOVAL OF CHROMIUM (VI+) IONS FROM WASTEWATER EFFLUENT BY USING FLUIDIZED BED REACTOR
Water and wastewater treatment and reuse
Hazardous metal chromium is used extensively in many different industrial processes and is commonly found in industrial effluents. Hazardous pollutants such inorganic anions, metal ions, synthetic xenobiotics, and others have contaminated ground and surface waters in India and other parts of the...
Anaerobic treatment of glycerol for methane and hydrogen production
General
This work focused on glycerol exploitation for biogas and hydrogen production. Anaerobic digestion of pure glycerol was studied in a continuous stirred tank reactor (CSTR), operated under mesophilic conditions (35oC) at various organic loading rates. The overall operation of the reactor showed that...
Determination of inert Chemical Oxygen Demand (COD) fractions of Cumhuriyet University wastewater
General
Some amounts of inert products are given into environment due to biological degradation of substrate in activated sludge system. The effluent of biological wastewater treatment consists of inert substrate in influent flow, soluble microbial products and non degradable or slowly degradable organic...
Reproducibility of solid-state fermentation at bench-scale: the case of protease production
Solid Waste Management
Solid-state fermentation (SSF) process appears to be an efficient way to recover and valorise organic residues from industries and to generate other products of industrial significance, such as enzymes. As the reproducibility of SSF is one of the main drawbacks in the development of this process, a...
Degradation of phenol using US/Periodate/nZVI system from aqueous solutions
Water and wastewater treatment and reuse
In the present work, the degradation of phenol from aqueous solutions was investigated using periodate/zero valent iron nanoparticle (nZVI) in the presence of ultrasound at a batch reactor. The Experimental tests were carried out using pre-designated amounts of nZVI, periodate, and pH ranging from 1...
Degradation Reactive Black 5 dye from aqueous solutions using ozonation with pumices and pumices modified by nanoscale zero valent iron (nZVI)
Water and wastewater treatment and reuse
Reactive Black 5 (RB5) dyes are a dye widely used in textile industries. The nanocatalytic ozonation of RB5 solution in the presence of pumice modified with nanoscale zero valent iron (nZVI) catalysts and pumice raw investigated in a laboratory scale batch reactor. The effects of solution pH (3-11)...
Evaluation of the aerobic and anaerobic degradation of an industrial effluent from vegetable tannery processing of leather on batch reactors
Water and wastewater treatment and reuse
In this study, the aerobic and anaerobic biodegradability of the industrial wastewater from the vegetable tanning process were evaluated. Water from a food wastewater treatment system was used as seed inoculum for the aerobic process and mature granular methanogenic sludge from a brewery industrial...
Reduction of COD in wastewater from a textile industry by Electro-fenton process
Advanced oxidation processes (AOPs) have led the way in the treatment of aqueous waste and are rapidly becoming the chosen technology for many applications. In this paper, COD reduction of textile industry wastewater by electro-Fenton (EF) oxidation, was studied at batch experimental conditions. The...
Chemical kinetics of hydrogen sulfide selective oxidation in aqueous iron chelates solutions
General
The present work concerns the investigation of the chemical kinetics of H2S selective oxidation into elemental sulfur, by gas absorption and chemical reaction in Fe3+·(ΝΤΑ) aqueous solutions. By using initial reactivity data, priority is given to the study of intrinsic kinetics i.e. to avoid...
The influence of single and combined effects of Zn, Cu and temperature on microbial growth
Air pollution and health
The purpose of the present study is to investigate the single and joint effect of zinc and copper to the growth pattern of the metal tolerant species of Arthrobacter sp. JM018. The results showed that, both, Zn and Cu at concentrations between 1 to 10 μM stimulated the growth of the above...
Reduction of soluble microbial products in activated sludge system with pure oxygen aeration under toxic stress condition of phenol
Water and wastewater treatment and reuse
This study aimed to explore the effect of pure oxygen aeration on the generation of soluble microbial products (SMP) when activated sludge was under toxic stress condition of phenol. Two parallel sequencing batch reactors, one with air and the other with pure oxygen aeration, were used to...
Application of Fenton reagent and adsorption as advanced treatment processes for removal of Maxilon Red GRL
Environmental Sciences
In this paper, the removal of Maxilon Red GRL by adsorption onto raw soil sample known as Niğde (Bor) grape molasses soil and Fe+2/H2O2 reagent as advanced treatment processes were investigated. The effects of various experimental parameters such as initial Fe+2 and H2O2 concentrations, pH...
An Experimental Study of Recoverable Products from Waste Tire Pyrolysis
Solid Waste Management
ºCIn this study, potential of useful products recovery was investigated from waste tires that completed the physical life by virtue of pyrolysis process. Disposal of waste tires, which is one of the global environmental problems, continues the presence thereof as a serious problem, especially in...
Effect of different inoculum and substrate inoculum ratios on biogas yield for anaerobic digestion of organic fraction of solid waste
Solid Waste Management
Municipal solid waste [MSW] has gained prominence in recent years as the rate of its generation has increased significantly. The serious problem of MSW management exists in almost all regions of India. This study aims to generate energy from MSW by selecting a suitable MSWM technology with the help...
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...
Circular Economy and Bioeconomy
24-04-2025
Climate change
18-04-2025
Hydrology and Water Resources Management
16-04-2025
Air pollution and health
14-04-2025
Sustainable Energy
09-04-2025
Climate change
08-04-2025
Air pollution and health
04-04-2025
Environmental management and policy
03-04-2025
Effects of land-use patterns at different scales on water quality in the Huaihe River Basin in China
Water and wastewater treatment and reuse
02-04-2025
Air pollution and health
21-05-2025
Environmental management and policy
20-05-2025
Solid Waste Management
19-05-2025
Climate change
16-05-2025
Solid Waste Management
16-05-2025
Water and wastewater treatment and reuse
16-05-2025
Environmental management and policy
13-05-2025
Solid Waste Management
12-05-2025
Hydrology and Water Resources Management
12-05-2025
