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Issue 3

Global NEST Journal cover

Global NEST Journal

ISSN numbers
1790-7632
2241-777X

Volume

Issue number
3
Publication month
October

Biogenic synthesis of PdNCs embedded α-Fe2O3 microspheres using Myrtus cumini L. leaf extract and a Box-Behnken optimization of its Fenton-like catalytic activity

by

Venkatachalam CD et al. View all

Green Chemistry and Sustainable Development

Microspheres (MSs) of paramagnetic iron oxide (α-Fe2O3) embedded with palladium nanocubes (PdNCs) were biosynthesized using Myrtus cumini L. leaf extract. The synthesized PdNCs embedded α-Fe2O3 microspheres were characterized using FTIR, XRD and SEM/EDX. The FTIR spectrum of the Myrtus cumini L...

biogenic synthesis Myrtus cumini L. leaf extract +3 more

Environmental effect of heavy metals deposition in arid city

by

Yuyan Liu et al. View all

Air Quality

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

The effect of sub-irrigation with untreated and treated municipal wastewater on organic matter and Nitrogen content on two soil types

by

Tsigoida Afroditi et al. View all

Water and Wastewater Treatment

In order to study the chemical parameters of the soil after sub-irrigation with wastewater, a system was installed in one of the greenhouses of the Agricultural University of Athens. Wastewater was applied subsurface into the soil mass of the pots were used. Three treatments were used: Untreated...

Keywords: wastewater sub-irrigation +3 more

Food waste volume and composition in households in Greece

by

Abeliotis K. et al. View all

General

The purpose of this paper is the presentation of the results compiled from self weighing of household food waste and self filling of waste collection diaries that took place in Greece. A diary was compiled and given to 101 urban households in various areas of the country. The participants were asked...

Quantification Household food waste +2 more

Electricity Generation and Color Removal at Sulfate-Reducing Conditions in Microbial Fuel Cell

by

Kevser Cirik et al. View all

Water and Wastewater Treatment

The main aim of this study is to investigate the simultaneous azo dye removal and bioelectricity production at sulfate reducing conditions in continuously-fed dual-chamber microbial fuel cell (MFC). Initially, optimization of sulfate reduction was performed at different sulfate concentrations (100...

color electricity generation +2 more

Removal of methylene blue using activated carbon prepared from date stones activated with NaOH

by

Gherbia Abdelali et al. View all

Water and Wastewater Treatment

Synthetic dyes have a hurtful effect on human health and the environment. In this work, activated carbon was produced from date stones for use in elimination of methylene blue charged in aqueous solutions. Before that, the adsorbent was characterized by BET method, SEM, X-ray and TGA. The results of...

Adsorption Kinetic +3 more

Mathematical modeling of primary sludge anaerobic hydrolysis

by

Daniel Mamais et al. View all

Wastewater treatment

The aim of this work was the application and evaluation of a mathematical model for the simulation of anaerobic hydrolysis and acid production processes. For the description of the processes involved, the Anaerobic Digestion Model ADM1 was employed. The ADM1 implementation in prefermenters is...

Anaerobic sludge hydrolysis mathematical modelling +2 more

A numerical model for river habitat restoration: a case study of the Chin-sha River in China

by

Yao Weiwei et al. View all

Ecosystems and Natural Resources Management

Currently, the ecosystem is being damaged in many rivers and subsequently the fish species living there are also facing decline or even extinction. This situation urges to model the habitat and to design suitable restoration strategies in order to increase the capabilities of ecological modeling. In...

River restoration strategy ecohydraulic simulation +4 more

Evaluation of antimicrobial, antioxidant and cytotoxic activities and characterization of bioactive substances from freshwater blue-green algae

by

Nermien Helmy Seddek et al. View all

Multidisciplinary research in environmental science

Organic solvent extracts of three cyanobacterial species (Anabaena oryzae, Oscillatoria sp. and Stigonema ocellatum) were tested for antimicrobial activity against human pathogenic fungal and bacterial strains as well as for antioxidant and cytotoxic activity against human breast adenocarcinoma (MCF...

Cyanobacteria Antimicrobial activity +3 more

Modelling the removal of Lead from synthetic contaminated water by activated carbon from biomass of Diplocyclos Palmatus by RSM

by

Venugopal et al. View all

Multidisciplinary research in environmental science

Diplocyclos Palmatus biomass activated carbon (DPAC) was used in this work to remove lead (II) ion from the synthetic wastewater. The DPAC was characterized for structural, surface morphology by SEM, functional group was analyzed by FT-IR and XRD analysis. Removal of Pb2+ was studied by batch method...

DPAC Hazardous Pb2+ +4 more

Tsunami threat versus development activities along the coast of Pakistan: A Geographic Assessment

by

Gohar Ali Mahar et al. View all

Multidisciplinary research in environmental science

Pakistan is located at the earthquake prone zone. The west coast of the country is in a zone of serious seismic hazards where a subduction zone is found. This area has been victimized by severe earth quakes and tsunamis in the past. Bathymetric and earthquake interpolated maps have been prepared for...

Tsunami Earthquake +3 more

Isolation of Sulfur Oxidizing Bacteria from Polluted Water and Screening for Their Efficiency of Sulfide Oxidase Production

by

Yousef, N. et al. View all

Multidisciplinary research in environmental science

Presence of sulfide in the environment represents huge concerns to biological life. The high costs and low safety of chemical and physical removal strategies lead to finding alternative strategies. Sulfur-oxidizing bacteria (SOB) are consider a promising alternative strategy, where they play a...

sulfur-oxidizing bacteria polluted water +3 more

Comparative physiological and biochemial effects of CuO NPs and bulk CuO phytotoxicity onto the maize (Zea mays) seedlings

by

Rasha M. El-Shazoly et al. View all

Multidisciplinary research in environmental science

Plant nanotoxicology is an emerging and less-explored area of research for the plant stress biologists. The present study assesses the toxicity of bulk-CuO and nano-CuO (size <50 nm and surface area = 29 m 2 g -1) on maize ( Zea mays cv. hybrids triple white Hi Tech.) seedlings. Five successive...

Nanotoxicology Antioxidants +4 more

Assessment of Heavy Metals in Soil, Paddy Straw and SEM analysis of the soil for the impact of wastewater irrigation in Girudhumal Sub basin of Tamil Nadu, India

by

V KUMAR et al. View all

Multidisciplinary research in environmental science

The objective of the study is to determine accumulation and translocation of heavy metals from soil to paddy straw irrigated with urban sewage wastewater in peri-urban region of Girudhumal subbasin area in Madurai. The soil samples were collected in seven locations irrigated with treated and...

Heavy metals Paddy Straw +4 more

In vitro- exploration of Fungal Endophytes of Egyptian Cynara scolymus L. (artichoke) and Investigation of some their bioactive potentials

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Nermien Helmy Seddek et al. View all

Multidisciplinary research in environmental science

Plant-associated microorganisms, especially endophytic fungi, represent an untapped resource for the discovery of biologically active natural products. The objectives of this study were to isolate, identify endophytic fungi, and produce their bioactive metabolites from the leaves of two varieties of...

Artichoke Fungal Endophytes +3 more

Batch Removal of Aqueous Nitrate Ions Using an Effective Nano-Biocomposite

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Sepehri S. et al. View all

Multidisciplinary research in environmental science

The intent of this research is the investigation of the nitrate reduction from aqueous solution using biomass (pine cone (PC) and PC activated carbon (PCAC)) – supported zero valent iron nanoparticles (PC-Fe0 and PCAC-Fe0). The synthesis of these nano-bio-composites was based on the reduction of...

Bio activated carbon Kinetic modeling +3 more

Pyrene biodegradation capability of two different microalgal strains

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Asmaa Mawad et al. View all

Multidisciplinary research in environmental science

Biological treatment is one of the most preferable strategies to complete and safe removal of pollutants. Pyrene (PY) is the first member of high molecular weight polycyclic aromatic hydrocarbons (HMW-PAHs) that represents various concerns to biological life and human health. In this study, two...

Carotenoides Chlorella sp. +5 more