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Issue 8

Global NEST Journal cover

Global NEST Journal

ISSN numbers
1790-7632
2241-777X

Volume

Issue number
8
Publication month
October

20/10/2024

Circular economy

Numerical and experimental analyses for performance and emissions assessment of a four-stroke engine powered by oleic acid methyl ester biofuel made from waste frying oil

by Al-Aseebee M.D.F. Ketata A. Naje A.S. Gomaa A.E. Driss Z. Abid M.S. Emaish H.M. Almaqsub A.M.A.

Sustainable Energy

Recently, several earlier works conducted research works dedicated to replacing fossil-based fuels with environmentally friendly ones. The goal of the research is to construct a multivariate linear regression model for the attributes of a four-cylinder diesel engine fueled by biodiesel. In this...

Oleic acid methyl ester Biodiesel +6 more

Strength Properties Evaluation of Composite Blocks Incorporated With Acacia Nilotica Ash

by Shanmugam R. Selvapriya R. Soundar Rajan M. Anand kumar S.

Solid Waste Management

Owing to the order of the day, we are searching for an eco-friendly binding ingredient instead of cement, which is now universally used in concrete. Almost everyone extensively exploits construction materials due to their good durability and compressive characteristics. The present study examines...

Acacia Nilotica ash Pond ash +3 more

Towards Eco-Friendly Waste Solutions: Environmental Impact of Engineered Cementitious Composites in Solid Waste Management

by Muthumari G. Vincent P. Baskar I.

Solid Waste Management

The study conducted a practical examination to evaluate the influence of high temperatures on the strength and repetitive impact performance of Polypropylene fiber-reinforced Engineered Cementitious Composites (ECCs). Compressive and bending strength were examined using cylindrical and beam-shaped...

Impact elevated temperatures +5 more

Development of a Sustainable Flax Fiber- Geopolymer Composite Matrix Incorporated with Copper Slag as a Filler

by Arunachelam N. Maheswaran J. Selvan P. Subahar M.

General

Efforts have been put forth in the past to develop sustainable construction material by reducing the use of cement and river sand which can directly provide a positive impact on our ecosystem. In this work, an attempt is made to develop a sustainable a geopolymer composites with the use of fly ash...

Activator Copper Slag +3 more

Valorization of plastic waste aggregate in concrete: A study on durability and microstructural properties.

by Ponmalar S. Revathi P. Sankar B. George G.k.

Solid Waste Management

Efficient valorization of plastic waste is widely investigated by numerous researchers. The need for an alternate to conventional aggregate in concrete production has led to the evolution of numerous artificial aggregates. This research investigates the impact of adverse environmental exposure...

Plastic aggregate concrete Acid attack +4 more

Optimizing lightweight concrete with coconut shell aggregates for high strength and sustainability

by Joseph Dominic J.R. Amala Sornam I. Rassalam Lilly Sundara Bai S.

Solid Waste Management

In this investigation, coconut shell, a lightweight agricultural waste, is used to completely replace coarse material. Based on previous findings, it is suggested that coconut shell be used as coarse aggregate in structural lightweight concrete. Therefore, the purpose of the study was to develop...

sustainability Coconut shells +4 more

Wastewater Recycling to Enhance Environmental Quality using Fuzzy Embedded with RNN-IoT for Sustainable Coffee Farming

by Selvanarayanan R. Rajendran S. Pappa C K. Thomas B.

Water and wastewater reuse

Wastewater pollution is a major concern due to organic matter, pesticides, and other contaminants. Untreated discharge of this wastewater can pollute water resources and harm the environment. A data-driven approach for optimizing wastewater treatment systems and ensuring recycled water's safety and...

wastewater treatment Data Analysis +4 more

Neural Network Approach Modelling Mechanical Characteristics of Fly ash, Pond ash and Bottom Ash integrated Geopolymer Composites.

by Shanmugam R. Selvapriya R. Tamilchelvan P. Gopinath M.

Environmental data analysis and modelling

Key features for the quality assertion of geopolymer composites are the vital strength characteristics of geopolymer composites. In this work, an artificial neural network data-driven model was employed for predicting 28-day vital strength characteristics for geopolymer composites incorporated with...

Geo-polymer composites ANN model compressive +4 more

Rheology of binary cement paste system blended with silica fume and alccofine

by Renisha M. Sakthieswaran N.

Circular economy

The flow properties of the binary cement paste system added with supplementary cementitious materials, effect of polycarboxylate based superplasticizer dosage and their influence on the yield stress and the plastic viscosity were studied. The cementitious materials under the study are silica fume...

Flowability setting time +1 more

Climate change and air pollution

An overview of green energy sources, enhancing the environmental and economic elements of the world's sustainability

by Yalini R. Ramesh K. Subbarayan M.R. Sivakumar A.

Sustainable Energy

In a transitional world, where countries strive for the achievement of better environmental quality through setting up various goals, there is a need for the substitution of fossil fuels and non-renewable resources which deteriorates the environment, with renewable energy resources which alleviates...

renewable energy resources Electricity generation and Capacity +2 more

Analysis of the effect of digital financial inclusion on agricultural carbon emissions in China

by Wang C. Liu H. Ma S.

Ecology, environmental change and management

In the context of China's “dual-carbon” goal, digital financial inclusion plays an important role in agricultural carbon emission reduction. This paper analyzes the effect of digital financial inclusion on agricultural carbon emissions and its transmission mechanism based on provincial panel data of...

digital financial inclusion agricultural carbon emissions +1 more

Development of an Air Quality Forecasting System Using a Multimodal Deep Learning Framework Based on Satellite Images of Delhi City

by Gowthami S.

Air Quality

With the rapid expansion of science and technology, there is a growing hazard to public health from many forms of pollution in the air, particularly fine dust, which can aggravate or induce heart and lung disorders. Furthermore, this threat is expanding as a consequence of the rapid progression of...

air pollution Fine dust +4 more

An Experimental Assessment of the Performance of Solar Panels Using Efficiency Enhancement Techniques in India's Tropical Region

by

Chairma Lakshmi K. R., Bharath Singh J., Nirmala G. and Dinesh Babu M.

Sustainable Energy

Due to its abundance and lack of pollution, solar energy will soon be the most popular source of electricity production. Numerous factors, including the temperature effect, solar irradiance effect, shadow effect, incident angle effect, dust accumulation on the solar cell, shunt resistance, types of...

Solar Irradiance effect temperature effect +3 more

Application of TRIX-based indices and ASSETS model to assess the degradation of aquatic ecosystems with varying climatic conditions

by Sowmiya B.

Ecological effects of Environmental change

The applications of TRIX-based indices are more effective methods to understand the source, transport of contamination and its effect on the ecosystem. In the present study, the changes to the trophic status of Pulicat lagoon over a decadal scale using multiple annual and seasonal datasets for the...

TRIX Vollenweider index +4 more

Environmental Exhaust Emissions reduction and Performance Improvement Analysis of biodiesel operated Diesel Engine Performance Using Operating Parameters

by Rajendran S. Duraisamy B. Murugesan E. Prakash C. Chandramauli A.

Air Quality

The present investigation aims to study the performance and emission characteristics of a CI DI diesel engine using biodiesel blends derived from Jatropha seed feedstock. Four blends, namely B25, B50, B75, and B100, are employed as fuels to run the diesel engine at a rated speed of 1500 rpm, and...

Global warming

Analysis of the performance, combustion and emission of Hydrogen Induction in a CRDI engine

by Gunasekaran A. Ponnusamy Nallusamy S. Sambasivam R. Rajendran S.

Climate change mitigation and adaptation

Since hydrogen gas is a plentiful element in the universe, using it as fuel for IC engines has the potential to reduce pollution while also improving the engine performance. Hydrogen gas as fuel has many advantages, including a high energy density, a rapid flame speed, clean burning, and a short...

Hydrogen Energy Share Dual fuel Technology +3 more

Optimizing Resource Allocation for Regional Employment Governance:A Dynamic Fuzzy-Set QCA Analysis of Low-Carbon Pilot Cities in China

by Cai Q. Chen W. Wang M. Di K.

Climate change mitigation and adaptation

This study employs a dynamic fuzzy-set qualitative comparative analysis (fsQCA) approach, utilizing panel data from 121 low-carbon pilot cities in China from 2007 to 2019. Grounded in complex systems theory and the triple bottom line framework (Economy-Society-Environment), the research aims to...

motion response Global warming

Enhancing Solar Photovoltaic Panel Performance in India's Tropical Climate: An Experimental Study on the Influential Effects of Optical Filters

by Chairma Lakshmi K. Bharath Singh J. Padmavathi N. Dinesh Babu M.

Sustainable Energy

Due to the increasing global energy demand and consequent climate change from burning fossil fuels, researchers are getting more focused on renewable energies as a potential solution to the world's energy problems. Solar energy is a prominent form of sustainable energy. The solar photovoltaic power...

Performance of Solar Panel Optical Filter +3 more

Amelioration of drought stress in wheat by using plant growth-promoting rhizobacteria and biogas slurry

by Saleem A. Raza M. Khan I. Tahir M. Iqbal R. Aslam M. Ejaz Z. Ditta A. AlMunqedhi B. Al Farraj D.

Floods, Droughts and Water scarcity

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...

PGPR drought +4 more

Water and wastewater

The Bioremoval of Toxic Dyes Using Chlorella Algae in Airlift Bioreactor

by Aljuboori A. Almukhtar R. Alwasiti A.

Water treatment

Malachite green (MG) and Crystal Violet (CV) are used mainly as dyestuff and antimicrobials in aquaculture. They have a severe toxic effect on the environment. Several techniques were used to remove impurities from an aqueous solution: chemical, physical, and electrical. Among all these techniques...

Algae bioremoval +2 more

Comprehensive evaluation of leaching toxicity of tailings in non-resource-based cities in Anhui Province based on entropy weight-clustering method

by

Xiaoyu Zhu, et al. View all

Solid Waste Management

Toxic components in tailings pose a severe threat to the ecosystem and human health and negatively affect tailings’ resource utilization. Therefore, using the entropy weight-clustering method, we evaluated the leaching toxicity based on tailings samples from non-resource cities in Anhui Province...

tailings toxicity entropy weighting method +2 more

A Light weighted Dense and Tree structured simple recurrent unit (LDTSRU) for flood prediction using meteorological variables

by Sundarapandi A.M.S. Navaneethakrishnan S.R. A H. Rajendran S.

Floods, Droughts and Water scarcity

Floods cause significant harm around the world each year. Predicting floods accurately and in a timely manner can greatly reduce the loss of human life and property. Thus far, a number of modelling approaches have been described for automatic flood detection; these approaches primarily capture...

flood detection Meterological parameter +3 more

In-vitro assessment of α-amylase, photoprotective, antimicrobial activities, and chemical composition of Asphodelus microcarpus (Liliaceae) Essential Oils from Constantine (Eastern Algeria)

by Boumaraf M. Kerkabou A. Slougui N. Sarri D. Bensouici C. Hazmoune H. Mekkiou R.

Biodiversity conservation

This study examines the antidiabetic, photoprotective, and antibacterial properties of Asphodelus microcarpus (Liliaceae) essential oil (EO) collected from Constantine, Eastern Algeria. The EO was obtained by hydro-distillation and the composition was determined by Gas chromatography (GC) and gas...

Asphodelus microcarpus essential oil +4 more

Marine Ecological Damage Assessment Model for Offshore Oil Extraction

by Yang Q. Liu H.

Microplastics in the marine environment

With the progress of society and the development of the economy, people’s awareness of environmental protection is also becoming stronger. Therefore, the damage caused by marine oil spills caused by offshore oil extraction to marine ecology is also receiving more and more attention from people...

Marine oil spill Assessment model +3 more

Assessment of surface Water Quality for Drinking and Irrigation Purposes for Two Dams in the Semi-Arid Region of Northeast Algeria

by Bouchema N. Khammar H. Nadjai S. Tellil B. Zeghdani Z.

Water Quality

The surface water quality of Timgad and Yabous dams in the semi-arid region of northeast Algeria was evaluated using physicochemical data collected monthly from May 2023 to April 2024. Parameters including temperature (T), pH, electrical conductivity (EC), total dissolved solids (TDS), chloride (Cl⁻...

WQI-CCME Drinking +7 more

Improvement of the photo-Fenton performance at near neutral pH by the addition of tannic acid from tea leaves waste as a complexing agent in the Pb(II) photo-oxidation

by Tri Wahyuni E. Kuncoro H. Zahwa Alharrisa E. Suratman A.

Advanced Oxidation Processes

IIntroducing tannic acid from tea leaves waste as a complexing agent of Fe(III) into photo-Fenton process to prevent Fe(OH)3 precipitation at pH 7, and further to increase photo-Fenton activity in the near neutral pH for Pb(II) photo-oxidation is systematically addressed. The photo-Fenton process...

Photo-Fenton near neutral pH +3 more

Activated Biochar from Gracilaria Edulis Seaweeds: A Novel Biosorbent for Efficient Uranium Ion Removal in Wastewater Treatment

by Titus S. Karthick L. Kiruba S. Srithar A. Kumar H. Karuna M.

Water and Wastewater Treatment

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...

Adsorption Gracilaria Edulis +4 more

Solid waste management

Biodegradation of disposable face mask by Tenebrio molitor larvae (Mealworm) and its metagenomic characterization

by

Shahul Hameed M et al. View all

Solid Waste Management

In recent years, the surgical face mask is mandatory for human health safeguards due to the worldwide pandemic disease COVID-19. The improper disposal of medical face masks polluted the environment. Tenebrio molitor (mealworm) larvae were shown to have the capacity to chew and consume polypropylene...

Biodegradation Next-generation sequencing +3 more