نتایج جستجو برای: heavy metal evaluation index

تعداد نتایج: 1474400  

2014
Yong Liu Chao Su Hong Zhang Xiaoting Li Jingfei Pei Shyamal D. Peddada

Many studies indicated that industrialization and urbanization caused serious soil heavy metal pollution from industrialized age. However, fewer previous studies have conducted a combined analysis of the landscape pattern, urbanization, industrialization, and heavy metal pollution. This paper was aimed at exploring the relationships of heavy metals in the soil (Pb, Cu, Ni, As, Cd, Cr, Hg, and Z...

2014
Jing Li

The magnitude and ecological relevance of metal pollution from the upstream of water sources after emergency pollution events was investigated by applying a set of complementary sediment quality assessment methods: (1) geochemical assessment based on background value (the geoaccumulation index); (2) comparisons with sediment quality guidelines (SQGs); (3) an evaluation of the combined pollution...

Journal: :American Journal of Environmental Engineering 2012

ژورنال: سلامت و محیط زیست 2020

Background and Objective: Application of sewage sludge contaminated with heavy metals may cause health and ecological concern. Ecological risk and heavy metals content of sewage sludge from wastewater treatment plants of East Azerbaijan province were evaluated in the present study. Materials and Methods: Nine composite samples were taken and analyzed for heavy metals. The geo-accumulation inde...

Journal: :International Journal of Sustainable Development and Planning 2021

This study goals to assess the concentrations of specified Heavy Metals (HMs) and quality taps drinking water Ramadi city, western Iraq. Metal Pollution Indices like heavy metal pollution index (HMPI ), evaluation (HMEI) contamination degree (CD) were applied supplied water. The average Lead (Pb), Nickel (Ni), Chromium (Cr), Arsenic (As) Cadmium (Cd) in most stations exceed maximum admissible c...

Journal: :Environment international 2004
Luciano Morselli Barbara Brusori Fabrizio Passarini Elena Bernardi Rosa Francaviglia Licia Gataleta Maria Marchionni Rita Aromolo Anna Benedetti Piera Olivieri

The study deals with the evaluation of the impact of heavy metal pollution on a Mediterranean natural ecosystem, and presents the results derived from a monitoring of heavy metals in different environmental matrixes (atmospheric dry depositions, suspended particulate matter (SPM) and stemflow of forest trees). Two sites in Castelporziano Presidential Estate (Rome), one internal and one near the...

2016
Wei Gao Hnin Y. Y. Nyein Ziba Shahpar Hossain M. Fahad Kevin Chen Sam Emaminejad Yuji Gao Li-Chia Tai Hiroki Ota Eric Wu James Bullock Yuping Zeng Der-Hsien Lien Ali Javey

A flexible and wearable microsensor array is described for simultaneous multiplexed monitoring of heavy metals in human body fluids. Zn, Cd, Pb, Cu, and Hg ions are chosen as target analytes for detection via electrochemical square wave anodic stripping voltammetry (SWASV) on Au and Bi microelectrodes. The oxidation peaks of these metals are calibrated and compensated by incorporating a skin te...

2014
Ashwini A. Waoo Swati Khare Sujata Ganguly

1 www.ijeas.org  Abstract— Soil contamination from industrial effluents and mining activities is a widespread concern all over the world. Generally soil act as the buffer zone between atmosphere and underground water, thus soil contamination creates a serious threat to soil and to the surrounding biosphere. This research program is aimed to make an in-depth investigation about the remediation ...

Journal: :journal of basic research in medical sciences 0
tahereh valadbeigi zahra tavakoli

introduction: biosorption of heavy metals can be an effective process for the removal of heavy metal ions from aqueous solutions. also, living lichens are known to accumulate metals across their surface. materials and methods: in this study, the biosorption of cadmium ions cd (ii) by the lichens acarospora strigata, lecanora muralis and caloplaca aurantia was investigated in aqueous solution in...

Journal: :international journal of environmental research 0
m.m. serbaji université de sfax, ecole nationale d’ingénieurs de sfax - larsen, ur « etude et gestion des environnements côtiers et urbains », route soukra, km 3,5, bp 1173, 3038 sfax, tunisie c. azri université de sfax, faculté des sciences de sfax, département des sciences de la terre, ur « etude et gestion des environnements côtiers et urbains », route soukra, km 3,5, pb 1171, 3000, sfax, tunisie k. medhioub université de sfax, institut préparatoire aux etudes d’ingénieurs de sfax, ur « etude et gestion des environnements côtiers et urbains », route menzel chaker, km 1,5, bp 805, 3018 sfax, tunisie

eight selected heavy metals (cu, zn, pb, cd, cr, mn, fe and al) in surface and sub-surfacesediments in the northern coast of sfax (tunisia) were studied in order to assess the sediment quality and tohighlight the anthropogenic contributions to heavy metal distributions in the two study sediment levels.multiple chemometric approaches based on geographic information system (gis), enrichment facto...

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