| Global NEST Journal

Feasibility Study Toward Biogas Purification of H2S Impurities Using Wet and Dry Banana Leaves

by Huboyo Haryono Zaman Badrus Ramadan Bimastyaji Prasetijo Agung Wahyudi Rahmatia

Circular Economy and Bioeconomy

Biogas, an alternative technology that produces environmentally friendly fuels, usually contains impurities which may infer the performance of combustion. Hydrogen sulfide (H 2S) gas is one of the impurities in the biogas. This study’s objective is to assess the removal of hydrogen sulfide using...

Biogas air pollution removal +3 more

Impact of alumina nanoparticles and lanthanum zirconate coating on the Performance, combustion and emission characteristics of diesel engine functioned with Terminalia cattappa seed oil

by Venkatesh Kumaragurubaran Bensam Raj Ramesh Kumar

Issue 6

Sustainable Energy

This study investigated the potential of biofuels as sustainable alternatives to petroleum based source in CI engines, through focus about biodiesel derived from Terminalia catappa seed oil. Specifically, it scrutinized the consequence of incorporating aluminum oxide into biodiesel plus implementing...

Performance Studies on Exhaust Gas Recirculation diesel engine using Garcinia Gummi-Gutta Biodiesel with ceramic coating in direct injection

by Vengatesan Saravanakumar Pandian Balu Sekar Dhileepan Loganathan Gokulanathan Kumar Kandasamy Vetrivel Rajendran Silambarasan Chandramauli Awadhesh

Issue 5

Climate change

In today's digital environment, energy is the most essential for human survival. Its combustion surfaces were coated with ceramics to achieve total adiabatic operation, also called a low heat rejection engine (LHR). One of the best techniques to lower NOx emissions in internal combustion engines is...

Alkali and Magnetite Modified Fly Ash as Granular Adsorbent for Removal of Naphthol AS Dye from Aqueous Solution

by Purbasari Aprilina Kusumawardani Restu Ariyanti Dessy Handayani Noer Abyor

Issue 6

Water and wastewater treatment and reuse

The presence of dye pollutants in the aquatic environment, apart from causing aesthetic problems, can also cause health problems. Removal of dye pollutants in industrial wastewater can be done using the adsorption method, which is a simple, effective and low-cost process. Fly ash is a solid waste...

carrageenan modified fly ash +2 more

Environmental emission characteristics of diesel engine performance using biodiesel by cotton and pumpkin seed

by Sivakumar A. Subbarayan M.R. Sankarapandian S. Seenivasan M.

Issue 5

Air pollution and health

The hunt for alternative fuels that may be utilized in place of conventional fuels is intensifying quickly since the availability of fossil fuels is dwindling daily. In this work, biodiesel derived from pumpkin and cotton seed oils is presented for use as diesel engine fuel. Related to diesel, the...

Biodiesel Cotton Seed Oil +2 more

Comparative Assessment of Amine-Based Absorption and Calcium Looping Techniques for Optimizing Energy Efficiency in Post-Combustion Carbon Capture

by

Ratchagaraja Dhairiyasamy et al. View all

Issue 5

Climate change

The escalating levels of atmospheric CO2 have underscored the necessity for developing effective carbon capture and storage (CCS) technologies. This study investigates the advancements in post-combustion CO2 capture technologies, specifically examining the efficiency of amine-based absorption and...

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

Pine cone ash stabilization of expansive soils

by

Abiola Ayopo Abiodun et al. View all

Issue 3

Solid Waste Management

The use of appropriate waste materials to stabilize problematic soils, such as expansive soils that are responsible for geotechnical damage, is a common practice in geotechnical engineering. This study presents the use of pulverized ash from the combustion of pine cone (PC) waste as a stabilizing...

Compressive strength expansive soils +4 more

A Critical probation for potentiality of bio-fuel with exquisite concoction of natural anti-oxidant additive in engines for pollutants reduction

by

Sithivinayagam N et al. View all

Issue 1

Air pollution and health

Considering the present global fuel scenario, it becomes highly inevitable to opt for biofuel. Yet the use of biodiesel had increased pollutants which are emitted to the atmosphere such as Carbon monoxide, Unburnt Hydrocarbon, Nitrogen oxides and Smoke density in the combustion products. For this...

air pollution Palm oil +3 more

Effect of coconut shell ash as an additive on the properties of green concrete

by

S. Shanmuga Priya et al. View all

Issue 1

Solid Waste Management

Concrete is the broadly adopted composite material in the construction arena. The growing need for cost-effective housing is resulting in the depletion of environmental resources such as river sand and gravel, which are essential components in the manufacture of concrete. However, the manufacturing...

coconut shell ash Green Concrete +3 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

Experimenting the Various Behavior of Pumpkin Seed Oil Methyl Ester with Varied Injection Pressure – Combustion and its emission performance

by

V.Mohanavel et al. View all

Issue 7

Air pollution and health

Because of its better physio-chemical qualities, biofuel is indeed a viable substitute source of energy for diesel vehicles. The biofuels used in this study is synthesized from pumpkin seed oil using the esterification reaction technique. The biodiesel was synthesized under ideal conditions and was...

Pumpkin seed biodiesel performance +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

The Conversion of SO2 by Hydrogen Oxidation Branching Vhain Reaction

by

Arutyunyan A. et al. View all

Issue 4

Air pollution and health

The Conversion of SO2 by Hydrogen Oxidation Branching Chain Reaction A.A. Arutyunyan Institute of Chemical Physics after A.B. Nalbandyan NAS of The Republic of Armenia, 5/2 Paruyr Sevak St., Yerevan 0014, Republic of Armenia E-mail: harhasmik@mail.ru The process of SО2 conversion in the hydrogen...

Key words: sulfur sulfur dioxide +3 more

Physio-chemical evaluation and Co-combustion efficiency of different biomass waste fractions with indigenous coal blends for utilization as alternative fuel

by

Sumaira Kanwal et al. View all

Issue 1

Solid Waste Management

Severe energy crisis and vilest economic conditions in Pakistan demand the country’s energy portfolio to be revised with increased reliance on indigenous energy resources. The perspective of utilization of abundantly available biomass waste fractions as a fuel alone and their co-combustion with two...

waste to energy Co-combustion +3 more

Correlational investigation of air pollutant emissions and fuel consumption of motor vehicle in various dynamic conditions

by

Lasocki Jakub et al. View all

Issue 2

Air pollution and health

Air pollutant emissions and fuel consumption of vehicles equipped with internal combustion engines are highly susceptible to the conditions of engine operation. The purpose of this research was to investigate the correlation between the emissions of individual pollutants (carbon monoxide...

pollutant emission Correlation +3 more

Air pollution as a result of the development of motorization

by

mzabochnicka@is.pcz.czest.pl et al. View all

Issue 2

Air pollution and health

The problem of air pollution is one of the most important problems faced by the world in the context of large urban agglomerations. Numerous activities are being undertaken all over the world to both counteract existing pollution and prevent the emergence of another one. Manufacturing is one of the...

air pollution automotive +2 more

Positive matrix factorization on elemental concentrations of PM10 samples collected in areas within, proximal and far from mining and power station operations in Greece.

by

Dr. Stylianos Garas et al. View all

Issue 1

Air pollution and health

The identification of PM sources and their contribution to measured PM concentrations is crucial for the environmental policy making since the findings be able to conduce to the development of relevant legislation in order to achieve effective air quality manage. In this study, the sources of PM10...

PM10 elemental concentrations +2 more

Environmental effect of heavy metals deposition in arid city

by

Yuyan Liu et al. View all

Issue 3

Air pollution and health

This paper analysis the contents and variation of heavy metals in wet and dry deposition in Changji (Xinjiang, China) revealed their reducing regularity for heavy metals in atmosphere in arid area. Samples (including 84 dry deposition samples and 16 wet deposition samples) were collected from...

arid area Heavy metal +3 more

Assessment of the prevailing environmental conditions: in the town of Patras, Greece with emphasis on areas with school buildings

by

Katsifara A., Varnavas S.P.

Issue 1

Green Chemistry and Sustainable Development

The school buildings in and around the city of Patras in the prefecture of Achaia, Greece, are classified on the basis of the prevailing environmental conditions and the existing human activities in the surrounding area. School buildings in urban and rural environment are investigated. The type and...

Environment air quality +5 more

Study of potential availability of heavy metals to phytoremediation to use of ash from biomass combustion

by

Galas D. et al. View all

Issue 4

CEST2017 - Heavy metals in the environment

Ashes, formed as a result of combustion of biomass are a new class of by-products of combustion and due to the large variety of these materials their chemical composition has not been fully determined. Their use is limited, despite the fact that their production has increased. This work presents the...

aided phytostabilization biomass ash +3 more

Enrichment of sediments in urban rivers by heavy metals

by

Carlos Roberto Juchen et al. View all

Issue 3

Air pollution and health

The heavy metals contained in sediments may be responsible for constant degradation of rivers’ water quality, which circulate in an urban environment. Therefore, this study shows the pollution index and enrichment factor for each of these elements in river sediments. It was used the optical emission...

Hydro sedimentology metals in urban rivers +1 more

Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS) applied to the chemical characterization of Diesel soot

by

ARACELI TAPIA et al. View all

Issue 3

E2KW 2013

In this work, diesel soot has been characterized chemically using a diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) technique. Diesel soot samples were generated under combustion conditions reproducing the typical urban operating mode of a diesel engine. Initial experiments...

DRIFTS chemical characterization +3 more

ARTICLE WITHDRAWN

by

Issue 3

Biomass combustion domestic wood stoves +4 more

Combustion of biofuels-diesel blends in an isothermal oven

by

Mario Toledo T. et al. View all

Issue 6

Sustainable Energy

In this work, combustion process of diesel and biofuel blends is studied experimentally in an isothermal oven. Blends with respectively 20%, 40% and 60% of Ethanol (E20, E40, E60), 20%, 40% and 60% of Methanol (M20, M40, M60), and 20%, 40%, 60%, 80% and 100% of Biodiesel (B20, B40, B60, B80, B100)...

Biofuels Diesel +3 more