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Issue 3

Global NEST Journal cover

Global NEST Journal

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Advanced deep learning method for Aerial image segmentation of landscape changes in pre-and post-disaster scenarios


Pushpa latha C et al. View all

Environmental data analysis and modelling

The precise analysis of conditions in the landscape before and aftermath of the disaster is a mandatory challenge in aerial image landscape monitoring. The change in patterns of landscape, damaged pathways, and damaged areas will have a major impact without monitoring and redevelopment. Therefore...

landscape monitoring aerial image +3 more

Turbidity Reduction of Groundwater by Using Nanomagnetic Adsorbent Composite (NMAC): Process Optimization by 3k Factorial Design and Analysis


Palsan Sannasi Abdullah et al. View all

Water and Wastewater Treatment

The widespread use of alternative water sources in Kelantan encourages the development of cost-effective methods for the purification of water. A simple and straightforward adsorption process using a nanomagnetic adsorption composite (NMAC) was introduced in this study as a new adsorbent for the...

Activated carbon adsorbent +4 more

Utilization of coconut and jojoba wastes for lipases production by Aspergillus niger and applied it for biodiesel production


Ghada Abd-Elmonsef Mahmoud et al. View all


Industrial wastes represent a huge issue for the environment and precious materials for microbial growth. Utilizing these wastes in different fermentation process decrease the costs of production, materials, energy, and represent an eco-friendly way of waste recycling. Aspergillus niger (ASU49) is...

wastes recycling +4 more

High Selectivity and Adsorption Capacity for Congo Red Toward Anionic Dyes by Adsorbent: Modified LDH with Hydrochar Made from Nephelium Lappaceum Peel


Aldes Lesbani et al. View all

Water and Wastewater Treatment

Synthesis of Ni/Al-LDH prepared into Ni/Al-Hc composites using hydrochar from rambutan peel (Hc) and applied as a congo red adsorbent and analyzed based on adsorption selectivity, kinetics, isotherms, adsorption thermodynamics and recycling. The success of Ni/Al-Hc composite preparation was proven...

Modified LDH Hydrochar +3 more

Trends in renewable energy: an overview


Sotiris Lycourghiotis et al. View all


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



Yogeshwaran V et al. View all

Water and Wastewater Treatment

The packed bed column study investigated the removal of toxic metal ions (Cr, Pb & Zn) using rice husk coated with iron oxide nanoparticles as an adsorbent material. The chemical fusion process prepared the nanomaterial adsorbent, and iron oxide capping provides stability to the prepared nano...

Fixed bed column Rice husk +3 more

Scenedesmus regularis: An alternative biosorbent for the efficient and fast removal of methylene blue


Başaran Kankılıç G. et al. View all

Water and Wastewater Treatment

This study focused on removing methylene blue (MB) from aqueous solutions using microalga Scenedesmus regularis as a biosorbent. The biomass was characterized by Fourier transform infrared spectroscopy (FT-IR) and field emission scanning electron microscopy (FE-SEM). The difference in thermal...

Microalgae Adsorption +4 more

Adsorption of Dyes Using Natural Minerals: A Review


Asawer Mahdi Subhi et al. View all

Water and Wastewater Treatment

Adsorption is an effective and widely technique used for separation many pollutants from wastewater. Pollution of water with color material such as dyes is of environmental concern due to their toxicity and cause carcinogenic effects on human and aquatic life. These dyes are presented into the water...

dyes Waste water treatment +3 more

Effect of UV irradiation on microbial structure, metabolic pathways and functional genes of nitrogen metabolism in highland wastewater


Zong Yong Chen et al. View all

Water and Wastewater Treatment

In this experiment, in the background of the plateau environment, the effects of ultraviolet irradiation on the microbial community structure, metabolic pathways and nitrogen metabolism function genes of sewage were studied at 0 (control group), 5, 10, 30, and 180 min. The results showed that the...

ultraviolet irradiation highland sewage +3 more

Waste Treatment of Milk Using Aerobic And Anaerobic Honeycomb Waste Processing System To Reduce COD, Bod, NH3N,TSS, Oil, Fat And pH


Elanda Fikri et al. View all

Water and Wastewater Treatment

The dairy industry is one of the industries that continues to grow in Indonesia in line with the large demand for dairy foods. Liquid waste originating from the dairy industry has a special character, namely susceptibility to bacteria. This waste is very easy to decompose and if it is not...

Milk Liquid Waste Bamboo Honeycomb Biofilter +2 more

Evaluation of heavy metal contamination in indigenous fruits and associated human health risk: evidence from Fuzzy-TOPSIS approach


Shaukat Ali et al. View all

Hazardous Substances and Risk Analysis

In Gilgit-Baltistan, urbanization, transportation, unplanned small-scale industry, kitchen waste, inorganic fertilizers, pesticides, insecticides, and weedicides contribute to agricultural field contamination, creating severe health risks. This study aims to determine the health risks caused by...

Heavy metals indigenous fruit +2 more

Benefits, Challenges and Sucess Factors of Water Safety Plan Implementation: A Review


Motasem Alazaiza et al. View all

Water Resources Management

Drinking water supply is a preeminent to public health, environmental protection, quality of life, economic activity, and sustainable development. Many disasters are being recorded due to poor water quality every day. In this case, it is essential to assure safe water demand through continuous...

Water Safety Plan water consumption +2 more

Depollution of Synthetic dyes From Wastewater Using Polyazomethine/TiO2 And Polyazomethine/ZnO Nanocomposites Via Photocatalytic Process


Pradeeba S J et al. View all

Water and Wastewater Treatment

We propose a simple method for synthesising Poly(azomethine), ZnO, TiO2, poly(azomethine)/TiO2, and poly(azomethine)/ZnO nanocomposites using an ultrasonication process, as well as the use of these nanomaterials for photocatalytic degradation of organic dyes (Methylene blue (MB), malachite green (MG...

Organic dyes sunlight irradiation +4 more

Eco-water diversion project is not a simply measure to improve the ecological environment


chunyan zhao et al. View all

Climate change mitigation and adaptation

The Heihe River is the second longest inland river in China, which is one of the most important inland river basins in the northwest area. The effect of drought on ecological environment can be exacerbated by climate change. Eco-water diversion project was implemented since 2000 to solve the...

eco-water diversion project soil water +3 more

Feasibility of spent macroalgae biochar for removal of Acid Red 88 (AR) dye from its aqueous solution


Thinakaran E et al. View all

Water and Wastewater Treatment

Biochar was synthesized from Kappaphycus alvarezii reject (KR) remove the anionic azo dye, Acid Red 88 from wastewater. In this study, biochar was experimented in both batch and column adsorption studies. Batch adsorption studies were performed at varying temperature (25 – 40 °C), dosage (1 – 10 g)...

Adsorption Macroalgae +2 more

Seasonal variation of atmospheric total gaseous mercury and urban air quality in South India


Manikanda Bharath K et al. View all

Air Quality

This study analyses seasonal and regular variations in ambient atmospheric concentrations of total gaseous mercury (TGM), ancillary air pollutant concentrations, and their relationship to weather conditions of a megacity environment in India. Further, to correlate with TGM concentrations at...

Ambient air quality total gaseous mercury +4 more

Interaction Between High-Rise Building, Wind and Pollution in District Twenty-Two of Tehran Municipality, Iran


Majid Karimpour Reyhan et al. View all


The large cities are facing with a phenomenon called high-rise buildings which is due to the increasing of the population and also developing the cities. One of the negative impacts of high-rise buildings is the change in urban wind flow. Air pollutions is a major problem in the cities and the wind...

High-Rise Building wind +4 more

Treatment of oil production wastewater by membrane bioreactor


Mustafa ASLAN et al. View all

Water and Wastewater Treatment

Wastewater generated in oil production and refinery industries contains high levels of pollutions. Water from the oil production field is the largest source of wastewater in the oil production and refinery industry. It can cause environmental problems on a global scale due to its high volume and...

Membrane bioreactor oil production wastewater +3 more

Optimisation of enzymatic fermented glucose production of wild cocoyam starch using response surface methodology


Charles Odilichukwu R. Okpala et al. View all

Biodiversity conservation

​The enzymatic fermentation of starch from non-edible sources using Aspergillus niger could help supplement the increasing glucose demand within the Nigeria food supply chain. Also, response surface methodology could help optimise the glucose production of starch hydrolysed from cocoyam tubers. In...

Amylase enzyme Aspergillus niger +3 more