| Global NEST Journal

Theoretical Investigation of Proton Exchange Membrane Fuel Cells Oriented to Automotive Applications

by Anandkumar G. Ramakrishnan S. Arivarasan N. Annamalai K.

Issue 5

Air pollution and health

Because of their efficiency and low environmental effect, proton exchange membrane fuel cells, or PEMFCs, are discussed in this abstract as a viable renewable energy source. The paper investigates PEMFCs theoretically, delving into their electrochemical mechanisms and developing a MATLAB simulation...

Fuel cells Electrodes +3 more

A new approach for upgrading Biogas produced at a local wastewater treatment plant

by

Yavuz Selim Boyaci et al. View all

Issue 5

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...

Biogas upgrading CO2 removal +1 more

Biodiesel blends for eco-friendly CRDI-VCR engines: enhancing combustion and engine performance to minimize pollutant emissions

by

Anbarasan Baluchamy et al. View all

Issue 4

Water and wastewater treatment and reuse

Energy is essential but associated with global greenhouse emissions. Therefore, clean and renewable energy is important for future development. To meet this demand, kapok oil methyl ester (KOME) was made from the kapok raw oil through the transesterification method. KOME was then combined with...

Kapok Biodiesel CRDI Engine +3 more

Development of sustainable masonry solid blocks by the incorporation of industrial and agro waste.

by

E.KAVITHA et al. View all

Issue 3

Solid Waste Management

Bricks have been extensively adopted for centuries and continue to play a vital role in the construction industry. Nevertheless of its dependable workability and accessibility, fired clay brick production has been recognized for its comparatively high energy and resource requirements. Traditional...

Carbon footprint Eco-friendly building blocks +2 more

Anaerobic co-digestion of low Chemical oxygen demand concentration sludge mixture by different pretreatment methods

by

Wenhai Lin et al. View all

Issue 2

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...

Anaerobic digestion Manure +4 more

Predictive Modeling for Solar Desalination Using Artificial Neural Network Techniques: A Review

by

Vairavel Madeshwaren et al. View all

Issue 2

Water and wastewater treatment and reuse

Due to the limitations of fossil fuels and the environmental problems associated with their usage, renewable energy sources have been exploited for desalination through the employment of various technologies and mediums. One of the most useful renewable energy sources for solar desalination, both...

Artificial Neural Network solar still +3 more

Harvesting of Dunaliella salina using electrocoagulation with helix electrode and producing HHO gas as promising Hydrogen fuel

by

Mochamad Arief Budihardjo et al. View all

Issue 1

Environmental data analysis and modelling

Biofuels obtained from renewable sources are the only alternative in the global economy from a sustainable point of view. Microalgae have shown tremendous potential as a major source of biomass production that can be used as biofuels. At the same time, gas hydrogen is a non-polluting energy source...

Dunaliella salina Electrocoagulation +3 more

Assessment of the Role of Photovoltaic Systems in Reducing the Carbon Footprint of Wastewater Treatment Plants

by

Seda TÖZÜM AKGÜL et al. View all

Issue 8

Hydrology and Water Resources Management

Wastewater treatment plants (WWTPs) consume large amounts of energy and thus cause an increase in carbon footprint. For this reason, it has become important not only to meet the discharge criteria in treatment plants, but also to reduce the carbon footprint resulting from treatment processes and...

Municipal wastewater treatment Carbon footprint +2 more

Extraction, performance and emission characterization of diesel engine using waste lipolytic microorganism biodiesel

by

M.Arunkumar et al. View all

Issue 7

Sustainable Energy

In this study, milk waste water will be extracted, transformed into Lipolytic microorganism’s biodiesel (LMD) using transesterification, and tested for appropriateness as an alternative, sustainable, renewable source for IC engines. The properties of the created blends of biodiesel were investigated...

Biodiesel milkwaste +3 more

Mechanical properties of Biodegradable Composite Developed by Modification of Poly lactic Acid with Orange Peel Powder

by

Sivakumar A et al. View all

Issue 8

Solid Waste Management

One of the biggest environmental issues has been the use and disposal of traditional fossil-based plastic, which is not biodegradable and uses a lot of energy in its production. Poly lactic acid (PLA) has received a lot of attention as an environmentally friendly substitute due to the fact that it...

Composites Morphology +3 more

Recovery of bioethanol from food waste using Saccharomyces cerevisiae

by

Dr.S.MURUGAN et al. View all

Issue 3

Solid Waste Management

Excessive use of fossil fuels results in the rapid depletion of non-renewable fossil energy resources, a rise in fuel cost, and an uncontrolled emission of greenhouse gases which causes a severe threat to the environment. Bio-fuels are being scrutinized as substitutes for current high-pollutant...

Bioethanol Leftover Cooked Rice +3 more

Extraction of biodiesel from wastewater using microalgae Chlorella Vulgaris

by

Gokulan. R*, et al. View all

Issue 1

Water and wastewater treatment and reuse

An experimental research on production of biodiesel from lipids of chlorella vulgaris has been done through transesterification reaction process. The series of chlorella vulgaris cultures has been carried out and the optimum growth time was determined. The biodiesel synthesis is processed by two...

Biomass Chlorella vulgaris +3 more

Trends in renewable energy: an overview

by

Sotiris Lycourghiotis et al. View all

Issue 3

General

This essay deals with the prospects of supplying humanity with energy in the twenty-first century. The gradual replacement of fossil fuels by green electricity, hydrogen and biofuels is examined in the context of deteriorating climate change and the ongoing depletion of fossil fuels. The production...

Global warming Climate change +5 more

Life Cycle Energy and Carbon Analysis of Commercial and Residential Buildings in India

by

P. Porchelvan et al. View all

Issue 1

Environmental management and policy

Throughout the various stages of the life cycle of a building, a significant amount of CO2 is released into the atmosphere: in the production of goods and materials, the construction of the building itself, the preparation of the site, the exploitation, the repairs, the subsequent rehabilitations...

Embodied Energy Building Materials +2 more

ENVIRONMENTAL POLICY OF RENEWABLE ENERGY INDUSTRY UNDER OPEN CONDITIONS

by

Guixian Tian et al. View all

Issue 4

CLEANWAS

Renewable energy has two environmental externalities: one is the positive externality as an alternative to fossil energy consumption; the other is the negative externality with its production process consuming fossil energy. If the domestic renewable energy products export to foreign country with...

Environmental externality Renewable Energy +2 more

Green GDP Measurement of Shenyang City Based on Energy Value Analysis

by

Chang Wang et al. View all

Issue 4

CLEANWAS

The resource environment loss has been evaluated using energy value and monetary value adopting complex ecological system analysis framework, Odum’s eco-econo mic system energy theory, and energy value analysis. The total amount of green ecological economy of Shenyang city from 2007 to 2016 was...

Energy value Green GDP +4 more

Optimizing operation of a large-scale pumped storage hydropower system coordinated with wind farm by means of genetic algorithms

by

Bakanos P.I. et al. View all

Issue 4

Protection and restoration of the environment

Due to the intermittent and fluctuating nature of wind and other renewable energy sources, their integration into electricity systems requires large-scale and flexible storage systems to ensure uninterrupted power supply and to reduce the percentage of produced energy that is discarded or curtailed...

Pumped-storage hydropower plant multi-reservoir systems +3 more

A Novel Model Predictive-Fuzzy Logic Hybrid Controller Design for D-STATCOM in Wind Energy Distribution Systems

by

Kenan YANMAZ et al. View all

Issue 1

Environmental Sciences

Wind energy is a resource that does not require any fuel or feedstock to be treated, refined or transported. It does not produce air pollution and hazardous waste. Because of these, wind energy, one of the major renewable energy sources, has been widely used in recent years. In this work, a three...

Wind turbine D-STATCOM +3 more

Assessment of wind energy potential in East Azarbaijan province of Iran (Case Stady: Sahand station)

by

Seyed Hossein Mirmousavi et al. View all

Issue 2

Sustainable Energy

Today's world requires a change in how the use of different types of energy. With declining reserves of fossil fuels for renewable energies is of course the best alternative. Among the renewable energy from the wind can be considered one of the best forms of energy can be introduced. Accordingly...

Iran Wind power +2 more

Wind energy location prediction between meteorological stations using ANN

by

Sardar Maran et al. View all

Issue 6

Sustainable Energy

Wind Energy is one of the important sources of renewable energy. There is a need to prepare the availability of wind energy in the area where there is no measured wind speed data. For this type of situation, it seems to be necessary to predict the wind energy potential using such as wind speed using...

Wind Speed Wind energy +4 more

Production of renewable energy on closed landfills to compensate for biogas emissions: A case study of the Valdina landfill (Messina, Italy)

by

Calabrò P. S. et al. View all

Issue 1

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...

Biogas Giant reed +4 more

Use of alternative fuels obtained from renewable sources in Brayton cycles

by

Escudero M., Jimenez A., Lopez I. and Rodriguez J.

Issue 2

General

Analysis and simulation of the behaviour of gas turbines for power generation using different nonconventional fuels obtained from different renewable sources are presented. Three biomass-tobiofuel processes are considered: anaerobic digestion of biomass (biogas), biomass gasification (synthesis gas)...

Renewable energy sources Bioenergy +4 more

Public attitudes and environmental impacts of wind farms: a review

by

Karydis M.

Issue 4

General

The promotion of renewable sources for electricity production, independent of carbon fuels and nuclear power, is a priority in the energy policy of many countries all over the world. The European Union has launched an ambitious program to increase the contribution of energy production from wind...

Renewable Energy Landscape +5 more

A multicriteria approach to evaluate offshore wind farms siting in Greece

by

Vagiona D. and Karanikolas N.

Issue 2

General

Wind energy offers significant potential for greenhouse gas emissions reductions. Most applications have been developed onshore but the planning and siting conflicts with other land uses have created considerable interest and motivated research to offshore wind energy establishments. In this paper...

Analytical hierarchy process geographical information systems +3 more

Comparative behaviour of agricultural biomass residues during termochemical processing

by

Rincon S. And Gomez A.

Issue 2

General

A study of the pyrolysis and gasification of biomass residues such as oil palm shells and fibers, coffee shells, sugarcane bagasse and beech wood is presented. All of them are abundant agroindustrial biomass residues in Latin American countries. The characterization of the raw materials and products...

Pyrolysis gasification +3 more