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.
A new approach for upgrading Biogas produced at a local wastewater treatment plant
Sustainable Energy
Biogas is globally recognized as a crucial source of renewable energy. After undergoing proper treatment, the purified form of biogas, known as "biomethane", has the potential to be injected into existing natural gas infrastructure or compressed for use as a vehicle fuel. The principal pollutants...
Purification of Biogas From Tofu Waste using Zeolite and Activated Carbon (AC) as Adsorbent
Solid Waste Management
Substitution of fossil fuel into alternative energy sources, such as biogas, needs to be applied to prevent various problems in the environment. Biogas purification can be an alternative technology to improve the quality of biogas, which increases the heat value by reducing CO2. Purification can be...
Optimization of Pilot scale Biogas Plant for mixed food wastes with cow dung by anaerobic digestion process
Solid Waste Management
The primary aim of this research is to identify the best anaerobic digestion process yield for generating biogas from mixed food waste in the combination of cow manure. For the biogas generation experiment, certain biodegradable domestic organic wastes gathered from restaurants, waste storage...
Impact of preozonation on biogas potential of PVC microplastics-containing waste sludge
Water and wastewater treatment and reuse
ABSTRACT Plastic pollution is increasing and plastic waste usually ends in environment. Microplastics (MP) as insoluble and anthropogenic micropollutant is ubiquitous and its concentration is expected to increase in the environment. One of important sources are wastewater treatment plants, where...
Experimental investigation of biogas production from cytrus waste: Co-digestion with cattle manure
Sustainable Energy
Biogas production through anaerobic co-digestion of a mixture of cattle manure and citrus waste using an experimental facility for testing the biochemical methane potential (BMP) was investigated. No buffer solution is added to the mixture in order to use the buffer capacity from cattle manure...
Increase of biogas production through co-digestion of lipids and sewage sludge
General
The aim of this study was to assess the feasibility of co-digesting lipids originated from domestic wastewater along with sewage sludge. Three lab-scale single stage mesophilic anaerobic digesters were operated under a constant hydraulic retention time (15 days). One system (C) was fed on a daily...
Modeling the dispersion of NOx and SO2 emissions from a proposed biogas producing facility
Air pollution and health
This study aims to model the dispersion of two pollutants: nitrogen oxides (NO x) and sulfur dioxide (SO 2) from an onsite biogas fueled generator by using CALPUFF modeling system. CALPUFF is a non-steady state puff simulating software that takes into account, meteorological data, terrain data and...
Production of renewable energy on closed landfills to compensate for biogas emissions: A case study of the Valdina landfill (Messina, Italy)
Solid Waste Management
The contribution of integrated municipal solid waste (MSW) management systems to greenhouse gas emissions is not negligible, even though it is moderate compared with other anthropogenic activities. The main emission from landfills that accept biodegradable MSW is methane that escapes from the biogas...
Anaerobic Digestion of Corn Stover Pretreated with Sulfuric Acid in Different Soaking Durations
Solid Waste Management
The biogas production of pretreated corn stover has been determined in different soaking durations. Batch anaerobic digestion applies three different soaking durations in sulfuric acid pretreatment under room temperature. The study aimed to probe the effect of soaking durations during sulfuric acid...
Integrated strategy to enhance biogas production from mango peel waste
General
The present study has successfully explored the use of pomegranate seed de-oiled cake as a major additive and micronutrients solution as a minor additive to enhance production of biogas and enrich its methane content, using mango peel as the initial substrate. While micronutrients solution has...
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...
Anaerobic two stage degradation pattern of fermentable components of municipal solid waste
Solid Waste Management
With increased contribution of household and kitchen wastes in overall MSW and its preferred conversion by biomethanation there is a need to study decomposition rates and kinetics, ‘leachate potential’ and related issues– especially to promote decentralized treatment. Anaerobic digestion...
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...
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...
Amelioration of drought stress in wheat by using plant growth-promoting rhizobacteria and biogas slurry
Hydrology and Water Resources Management
Drought stress has a significant impact on cereal-based staple food production, particularly in developing countries like Pakistan. To ensure a sustainable and reliable food supply, it is essential to develop comprehensive production plans that incorporate various approaches to mitigate the effects...
Anaerobic treatment of sewage sludge and grease trap sludge in continuous co-digestion
General
In recent years many researchers show a high interest in co-digestion, simultaneous anaerobic decomposition of a homogenous mixture of at least two biodegradable waste. Anaerobic codigestion is reported to offer several benefits over digestion of separate materials, such as increased cost-efficiency...
Anaerobic co-digestion of low Chemical oxygen demand concentration sludge mixture by different pretreatment methods
Solid Waste Management
Three laboratory scale systems were operated to study the anaerobic co-digestion of sewage sludge with the excess activated sludge and cattle manure which contained low COD concentration. The experiments were performed to evaluate the effects of different methods of pretreatment. Since the poor...
An experimental study on Bio-gas production by anaerobic digestion of RiceMill Wastewater (RMW)
General
With the rising interest for sustainable power source and ecological security, anaerobic digestion of biogas technology has attracted considerable attention within the scientific researchers. This paper proposes a new research achievement on biogas production from Rice Mill Wastewater (RMW) with the...
Estimation of greenhouse gas emissions from landfills: application to the Akrotiri landfill site (Chania, Greece)
General
Landfilling is one of the most common ways of municipal solid waste (MSW) disposal in developing countries. Air pollutants emitted from landfills contributes to the emission in the atmosphere of greenhouse gases and cause serious problems to the human health. Methane emission from landfill is...
Multicriteria analysis of municipal solid wastes energy recovery technologies in Greece
General
Municipal Solid Waste (MSW) management is the field of science which explores and evolves strategies minimizing the final amount of wastes delivered to landfills and reducing the corresponding pollution related to all stages of treatment and collection. In the best practices of MSW the inherent...
Modeling of Anaerobic Digestion - A Review
General
Anaerobic digesters often exhibit significant stability problems, that may be avoided only through appropriate control strategies. Such strategies require, in general, the development of appropriate mathematical models, which adequately portray the key processes that take place. This paper reviews...
Molecular detection of Methylotrophs from an Indian landfill site and their potential for biofuel production
Solid Waste Management
Emission of CH4 from landfills is a major cause of concern as CH4 is twenty four times more potent than CO2, as a greenhouse gas. However, landfills also harbor a group of bacteria called methanotrophs, which can oxidize CH4. They can be used for in situ bioremediation to reduce methane emissions...
Anaerobic digestion of olive mill wastewater
General
Anaerobic digestion of olive-mill wastewater (OMW) was carried out in a continuously fed mode bioreactor. The bioreactor was operated at different hydraulic retention times (HRTs), using OMW, either raw or pre-treated with white-rot fungi. Two different kinds of feed were tested in this process, one...
International overview on waste to biofuel options with a focsu on waste potentials in Germany and funding incentives in the EC
General
Biofuels represent a possibility to reduce greenhouse gas (GHG) emissions within the transport sector. In this context the sustainability of biofuels, especially so called 1st generation biofuels led to controversial discussions in the past. Biofuels from waste and residues represent a well suited...
Prediction of Gas Emission and Derived Electrical Power Generation from Shiraz Landfill
Sustainable Energy
Landfilling has been considered as the most common method for solid waste disposal in developing countries which is faced with several issues, such as gas emission. Methane as a greenhouse gas is the main landfill gas which could be applied as a fuel for electrical power plants. In this study, the...
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