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Issue 10

Global NEST Journal cover

Global NEST Journal

ISSN numbers
1790-7632
2241-777X

Volume

Issue number
10
Publication month
December

09/12/2024

Solid waste management

Study on the Degradation of Brominated Flame Retardants in Waste Circuit Boards Using a Supercritical Fluid Method: Methodology, Influencing Factors, and Optimal Fluid Type

by Qin Y. Zhang J. Tian X. Tu Y. Chen C.

Innovative environmental solutions

The supercritical fluid (SCF) method is recognized as an environmentally friendly and efficient technology for the degradation of brominated flame retardants (BFRs) in waste circuit boards (WCBs). This study provides a detailed exploration of the SCF definition, the principles of debromination, and...

Debromination factors Supercritical fluid method +2 more

Degradation of polystyrene plastics by alkane monooxygenase and alcohol dehydrogenase

by

Corresponding author: Liang Kong et al. View all

Solid Waste Management

The consumption of plastic products has led to the generation of large amounts of plastic waste, which is persistent and difficult to degrade. Polystyrene (PS) is one of the six most important plastics in the world and is difficult to degrade in the environment owing to its high stability. To...

Plastic degrading enzymes microplastics +1 more

Environmental Impact Assessment of Solid Waste Disposal on Groundwater Quality

by Shanmuga Sundaram I.K. Jeykumar R. Chandran S. Krishnamoorthy A.

Water Quality

This study focuses on the impact of solid waste on groundwater quality in the region of Ramayanpatti, Tirunelveli. Tirunelveli city generates 100 tonnes of solid waste in a day. Solid waste has organic matter, inorganic matter, and moisture content which leaches dissolved organic matter, and heavy...

Solid waste Groundwater quality +3 more

Optimizing Object Detection in Bio-Waste Management with Improved Hyperbolic Tangent YOLOv5 and Binarization-Adapted K-Means Algorithm

by

Murugesan Shanmugavelu et al. View all

Biowaste

With the increasing importance of green development, bio-waste classification has become an important element of green development. However, in garbage stacking scenarios, the task of segmenting highly overlapping objects is difficult because the bottom garbage is in an occluded state and it is...

Garbage Object Detection Machine Learning +4 more

Efficient Biomedical Waste Management: Optimizing Segmentation and Classification with EnU-Net-DNN-BMWC

by R.S. G. Konel K. Madeshwaren V.

Solid Waste Management

In India, biomedical waste (BMW) management is governed by strict regulations to mitigate health and environmental risks. It includes materials such as sharps, infectious wastes, pharmaceuticals, and non-hazardous items contaminated with potentially infectious substances. Proper management and...

Biomedical waste Deep learning +2 more

Heavy Metals Distribution in Mangrove Leaves in Various Sudanese Coastal Zones at The Red Sea

by Mohammad Khalil R.K. Solangi K.A. Bala Alhassan A. Razzaq Khan W. Othman Aljahdali M.

Marine environment and coastal management

Mangrove ecosystem contamination, especially in the Red Sea region, has caused major concerns on a worldwide scale. The heavy metal accumulation typical of a mangrove species, Avicenna marina L. ( A. marina ) leaves and soluble salts in sediments have not been studied on the Red Sea coast of Sudan...

heavy metal contamination Avicennia marina +2 more

Distribution characteristics and development layout of rural tourism resources based on LSTM in-depth learning in the context of common prosperity

by Shuangshuang C. Jinhu X.

Environmental Management and Policies

The development and layout of rural tourism resources is the core issue supporting the development and planning of tourism destinations. Currently, it mainly relies on the experience and judgment of planners, with strong subjectivity and lack of objective information technology support. Therefore...

The context of common prosperity; LSTM deep learning; Rural tourism resources; Distribution characteristics; Development layout; Kernel density

Vermicomposting Bio Earth: A Sustainable Approach for Enhanced Nutrient Content and Heavy Metal Remediation in Soil Management

by Banupriya S. Kanmani S.

General

The present study obtained the Bio Earth sample from six locations, represented as LS-(1-6). The collected bio earth sample was blended with an adult earthworm ( Eisenia fetida). The experimental investigation was conducted for 108 days, and earthworms showed maximum biomass and population...

BioEarth Eisenia fetida +3 more

Circular economy

LC MS/MS Phytochemical analysis of Ruta montana and the Hepatic Preventive Effects in male Rats exposed to Tebuconazole

by Aouzal B. Slimani S. Kamah F. Ounissi I. Bouacha A. Samira E.

Environmental Health

In this investigation, we assessed the phytochemical composition and hepatoprotective properties of Ruta montana , a plant indigenous to Algeria, against liver damage provoked by the systemic fungicide tebuconazole in male Wistar rats. We distributed forty-two rats, each weighing an average of 178...

Ruta montana LC-MS +3 more

Optimization of Lipid Production from Paddy Straw Using Dilute Acid Pretreatment and Fermentation by Rhodosporidium Toruloides

by Sumathi S. Meiaraj C.

General

Among the lignocellulose wastes Paddy Straw is the most abundant one which have the ability of being used as a feedstock for production of biofuel. In this work, paddy straw is subjected to dilute acid pretreatment, detoxification and fermentation processes for the production of lipids...

Pretreatment detoxification +3 more

Phytochemical profile by LC-MS/MS, total phenolic content and Antioxidant Properties of Erodium guttatum from Algeria.

by Ounissi I. Slimani S. Bounaas J. Bensouici C. Aouzal B. Bouacha A.

Biodiversity conservation

The present study aimed to evaluate the phytochemical composition and the antioxidant potential of the crude extract and its various fractions which are n-hexane, chloroform, ethyl acetate, and n-butanol of the aerial part of Erodium guttatum (E. guttatum) . Total flavonoid and phenolic content have...

Phenolics

Improving Mechanical Properties of Magnesium matrix composite using reutilization of Electronic Waste and Boron Nitride

by

Balasundaram Gopi, Sampath Boopathi

Solid Waste Management

This study examines the properties of Mg ( Magnesium )/E lectronic Waste/BN ( Boron Nitride ) composite materials by analyzing their wear rate and hardness using a one-variable-at-a-time approach. It reveals intricate relationships affecting material performance, with increasing E-Waste particle...

Mg/E-Waste/BN wear rate +5 more

Climate change and air pollution

Review of Remote Sensing, GIS and Soft Computing Tool for Predicting the Land-use and Environment Changes

by Kalphana K. Ramela K. Aanjankumar S. Nagalakshmi T. Sakthivel B.

Innovative environmental solutions

The land use and land cover patterns of a specific area determine the socio-economic development of that region and vice versa. The increase in population due to urbanization creates a demand for novel approaches in addressing the fundamental aspects of human well-being. Remote sensing, geographic...

Integrated Early Flood Prediction using Sentinel-2 Imagery with VANET-MARL-based Deep Neural RNN

by Babu T. Raveena S. Tamilvizhi T. Surendran R.

Floods, Droughts and Water scarcity

Floods are a major contributor to the destruction of infrastructure and the overall economy of afflicted countries, leading to loss of life and significant damage. Remote sensing, satellite imagery photography, global positioning system, and geographic information system (GIS) are commonly used to...

Flood Prediction VANET-MARL +5 more

Spatial-temporal variations and Attribution analysis of SO2 concentration in Beijing-Tianjin-Hebei regions from 2013 to 2022

by

Corresponding author: Guiqiang Zheng et al. View all

Air Quality

Based on the monitoring data of air pollutants in Beijing-Tianjin-Hebei regions from 2012 to 2022, the spatial-temporal distribution of SO2 concentration and main influencing factors were analyzed through multi-methods of Daniel trend test, KZ filtering and WRF/CMAQ model simulations. From 2013 to...

SO2 Temporal and spatial distribution +5 more

Comparative Sensitivity Analysis of GA, PSO, and PSO-GA Algorithms for Carbon Environment Development and Sustainability

by Zhang J.

Climate change mitigation and adaptation

To effectively address the CO 2 emissions in the tourism place, in this study focuses a Sanshan scenic spot for precise prediction. The main factors contributing CO 2 emission as, accommodation, transportation and catering services which intends to improve the need of carbon emission forecasting...

Scenic spot CO2 Emission +4 more

Impact on Green Synthesised Al2O3 Nanoparticles on Performance and Emission Properties as Biodiesel operated diesel engine

by

Corresponding author: Balu Pandiana et al. View all

Sustainable Energy

Global warming and pollution are two of the numerous causes of environmental issues due to industrial wastes and greenhouse gases. As a result, efforts are being made to limit emissions in order to mitigate these issues and reduce pollution. Given that fuel supplies are running low, biodiesel is one...

Diesel engine Biodiesel +4 more

Trajectory pattern extraction to climate data and climate change analytics

by Zhang X. Zhang J. Wei P.

Climate change mitigation and adaptation

Climate data contains rich information and show high dimensions. Through exploring the data trajectory of climate data, climate change can be forecasted. Climate data is typical high-dimensional data, unlike shallow structures, deep structures have more advantages in handling high-dimensional data...

climate data Trajectory Model

Empirical research on green finance boosting the development of low-carbon economy in the Yangtze River Delta region

by Wang C. Chao Y. Gong W.

Environmental Management and Policies

In order to address the increasingly prominent issues of sustainable development in resources, environment, and ecology, the support of green finance and the transformation of a low-carbon economy are two complementary and pivotal strategies and paths on the journey towards achieving the grand goal...

Green finance; Low-carbon economy; Two-way fixed effects; Mediating effects; Regional heterogeneity

Effect of climatic factors on sexual maturity Labeo rohita fish

by Eslamizadeh E. Mabudi H. Roomiani L. Javaheri Baboli M. Chelehmal Dezfulnejad M.

Ecological effects of Environmental change

This study examined the varying levels of thyroxine hormone impact (at doses of 2, 10, and 50 µg g-1 BW) as an environmentally responsive hormone on the fatty acid and sexual steroid profiles in male Labeo rohita fish. Each treatment group comprised six male fish with an average weight of 5.4 ± 0.58...

Climate change Sexual maturity +3 more

Water and wastewater

Natural Self-Purification of Creek Ecosystems: The Role of Foam Formation in Pollutant Absorption and Microbial Decomposition

by Bhardwaj D. Nagarajan N. Kumari B. Sendil Kumar D. Ramana K.V. ayyasamy R.

Water and Wastewater Treatment

This study investigates the natural self-purification ability of a creek through the process of froth formation. The research focuses on the creek's capacity to clean itself by capturing and removing pollutants naturally. The problem addressed is the accumulation of organic and inorganic...

Self-purification Froth formation +2 more

Elimination of malachite green by modified Fenton like process. Application of Box Behnken design

by BENDEBANE S. BENDEBANE H. BENDEBANE F. Fadhel I.

Advanced Oxidation Processes for Wastewater treatment

The aim of this work was to investigate an advanced oxidation process for removing malachite green from aqueous solutions using a modified Fenton-like process. An experimental Box-Behnken design was applied to determine the optimal conditions by examining the effects of catalyst concentration ([Fe 2...

Advanced oxidation process Malachite green +4 more

Investigation of Cephalexin Removal Using Biochar Derived from Nephelium lappaceum Seeds

by Varalakshmi V. Karthik V. Periyasamy S. Muthumari P.

Water and Wastewater Treatment

The improper disposal of drugs into bodies of water has become a severe environmental and health issue. Biochar synthesized from different agro residues could be a potential material for the adsorption of pollutants in aqueous environments. Nephelium lappaceum seeds were pyrolyzed at 600 °C in a...

Adsorption Antibiotic removal. +3 more

An Automatic Data-Driven Long-term Rainfall Prediction using Humboldt Squid Optimized Convolutional Residual Attentive Gated Circulation Model in India

by Subramanian S. RaniK G. Madhavan M. Rajendran S.

Climate change mitigation and adaptation

Precise long-term rainfall forecasting is becoming progressively significant, predominantly in periods of fluctuating weather circumstances. These prophecies are indispensable for several areas, including agronomy, water resource supervision, flood attentiveness, and effluence monitoring. This...

rainfall prediction Monthly Forecasting +5 more

Studies on Kinetics, Isothermal Modelling and Optimization of Cow Dung Adsorbent for Synthetic Dairy Wastewater Treatment

by Anitha A. Dawn S. Muthukumaravel K. Praveen R.

Water and Wastewater Treatment

The dairy industry is a major food industry that processes raw milk into a variety of products. The milk processing factory produces DWE with soluble organic components, suspended particles, and trace elements. These components degrade, causing cloudiness and odour. Adsorbing total solids (TS) and...

Activated carbon Adsorption isotherms +5 more

Effective removal of Calcium and Magnesium Ions from boiler feed Water using Polyacrylonitrile supported titanium tungstovanadate composite ion exchange nanofiber

by Gameel A. Farag H. Elgayar D. Elsayed E.

Water and Wastewater Treatment

​​​​​​ The challenge posed by the presence of calcium ions (Ca 2+) in process streams is attributed to its adverse effects on the heat transfer efficiency of process equipment. In this study, a novel electrospun nanofibrous composite was synthesized by combining polyacrylonitrile (PAN) with well...

ion exchange hard water +2 more

New strategy for photocatalytic antibacterial concrete: in situ fluoride-modified negatively charged interfaces

by

Corresponding authors: Peijiang Cong, Yongtao Zhou et al. View all

Urban environment and health

Sponge cities embody a green and sustainable urban development approach, with permeable concrete structures crucial for collecting natural precipitation. Over time, however, microbes from rainwater can adhere to and proliferate on these concrete surfaces, potentially accelerating material corrosion...

photocatalytic antibacterial Concrete +3 more

Adsorption of Carotenoids, Chloride, and Sulfate from Annatto Dye Agro-Industrial Effluent

by Rosa B.F. dos Santos Salazar R.F. Nordi Esperança M. de Castro Peixoto A.L.

Water and Wastewater Treatment

Natural dyes, such as annatto, are widely used in the food and pharmaceutical industries. However, the effluents from annatto dye production pose environmental challenges due to the presence of residual dye components, organic matter, and dissolved inorganic species (chloride and sulfate). This...

Adsorption annatto +8 more

Evaluating Water Quality through Macroinvertebrate Diversity and Physicochemical Parameters in the Thamirabarani River Basin

by Kasinathan P. Jayachandran J. Jothi Chitra R. Egambaram M. Manivel S. Palraj K.

General

Aquatic ecosystems in the Thamirabarani River Basin, Tamil Nadu, India, are facing increasingly complex challenges due to climate change, particularly concerning water temperature and dissolved oxygen levels. This study delves into the intricate relationship between these variables and their...

Macro invertebrates urban streams +6 more