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65 articles for “Contaminants”
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Research ArticleOpen accessIn the abstractUsing Permeable Reactive Barriers to Remediate Heavy Metal-Contaminated Groundwater through a Laboratory Column ExperimentSomean Yin, Gemunu Herath, Sokchhay Heng, Senajith KalpageRecently, groundwater sources are being polluted by various activities such as agriculture, livestock, decentralized wastewater treatment systems and acid rain. Groundwater can also be polluted by landfill leachate, sewage, mine tailings, non-engineered deep well disposal of liquid waste and seepage from industrial waste lagoons. There are many studies reported contaminated groundwater remediation using Permeable Reactive Barrier systems (PRBs) and many … …American Journal of Environmental Sciences, Vol. 13, Issue 2 · 12 Mar 2017 · 8,761 accessesView PDFCite
Review ArticleOpen accessIn the abstractCorrelation of Biodiversity of Algal Genera with Special Reference to the Waste Water Effluents from IndustriesRitu Singh Rajput, Sonali Pandey, Seema BhadauriaPollution is the introduction of contaminants, which cause adverse change, into the natural environment and mainly from external inputs like sewage, waste from industries, oil spills and agricultural use of pesticides. Anthropogenic activity-reflected in the use of toxic metals and organic pollutants-has increased levels of soil contamination and damage to aquatic systems. Ecosystems maintain water quality and withstand pressure from … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 4 · 9 Dec 2016 · 8,608 accessesView PDFCite
Research ArticleOpen accessIn the abstractSelected Heavy Metals as Indices of Atmospheric Pollution in African Locust Bean (Parkia biglobosa) Tree BarksOlatunde S. Olatunji, Oladele Osibanjo, Olalekan S. Fatoki et al.Metallurgical industries are pollution “hot spots” for emission of dust, particulates of heavy metals and gaseous contaminants at levels that can be injurious to man and environment. The atmospheric levels of selected heavy metals around Ajaokuta Steel Company Nigeria were assessed using barks of Parkia biglobosa trees. The tree barks were randomly collected during wet and dry seasons, sorted and … …American Journal of Environmental Sciences, Vol. 12, Issue 1 · 2 Mar 2016 · 7,810 accessesView PDFCite
EditorialOpen accessIn the abstractANTIBIOTIC RESISTANCE: A FRIGHTENING HEALTH DILEMMARuchi Tiwari, Kuldeep DhamaByarugaba, D.K., 2004. Antimicrobial resistance in developing countries and responsible risk factors. Int. J. Antimicrob. Agents, 24: 105-110. DOI: 10.1016/j.ijantimicag.2004.02.015 Cirz, R.T., J.K. Chin, D.R. Andes, V. de Crécy-Lagard and W.A. Craig et al., 2005. Inhibition of mutation and combating the evolution of antibiotic resistance. PLoS Biol., 3: e176-e176. DOI: 10.1371/journal.pbio.0030176 Dhama, K., S. Chakraborty, Mahima, M.Y. Wani and A.K. … …American Journal of Pharmacology and Toxicology, Vol. 9, Issue 3 · 26 Sep 2014 · 10,774 accessesView PDFCite
Research ArticleOpen accessIn the abstractGEOPHYSICAL AND LABORATORY STUDIES OF THE SPREAD AND QUALITY OF THE ODUKPANI LIMESTONE DEPOSITT. E. Chidomerem, A. E. Akpan, I. O. AkpanThe Odukpani limestone deposit has been investigated using geophysical and laboratory techniques with the aim of generating information on its spread and quality. Information generated from the analyses of twenty-six Vertical Electrical Soundings (VES) and core drilling data were used in the study. The VES data were acquired in both grid and random patterns in the immediate area of the … …American Journal of Environmental Sciences, Vol. 10, Issue 4 · 20 Jun 2014 · 7,097 accessesView PDFCite
Research ArticleOpen accessIn the abstractSTUDY OF SOME HEAVY METALS AND TRACE ELEMENTSAL-Rajhi, M.A.This study provides an overview of the measurements of trace elements and heavy metals in table salt in Saudi Arabia. The aim of this study is to investigate the heavy metal concentration in different type of salt samples consumed in Riyadh Saudi Arabia and comparing the concentrations of such elements with the limits recommended by the World Health Organization (WHO) … …Physics International, Vol. 5, Issue 2 · 22 Apr 2014 · 7,107 accessesView PDFCite
Research ArticleOpen accessIn the abstractOCCURRENCE OF ARSENIC, LEAD, THALLIUM AND BERYLLIUM IN GROUNDWATERAbdul A.J. Mohamed, Ibrahim Abdul Rahman, Sadri A. Said, Lee H. LimThe occurrence of carcinogenic and heavy metals in groundwater sources in Urban-west region of Zanzibar Island is an issue that is not very well known. This could be also coupled with the absence of drinking water treatment plants. This study for the first time reports on the occurrence and the levels of three carcinogenic metals-Arsenic (As), Beryllium (Be) and lead … …American Journal of Environmental Sciences, Vol. 10, Issue 2 · 11 Apr 2014 · 7,906 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy for Improving an Duong Lake Water Quality for Chi Lang Nam Stork Island Conservation and Ecotourism DevelopmentTran Yem, Nguyen Xuan Hai, Nguyen Manh Khai, Nguyen Xuan HuanAn Duong Lake has been selected for the study to its important role in storks’ and cauldrons’ habitat protection, fishery and ecotourism of Hai Duong Province and particularly Thanh Mien District. Qualitative and quantitative methods were used throughout the research. The overall purpose of this study is to find out some mitigating measures for improving water quality of An Duong … …American Journal of Environmental Sciences, Vol. 9, Issue 3 · 10 Jun 2013 · 7,316 accessesView PDFCite
Research ArticleOpen accessIn the abstractEast Kolkata Wetland: A Multifunctional Niche of International ImportanceI. Mukherjee, S. Ray Chaudhuri, D. Ghosh, A. R. ThakurProblem statement: In the megacity Kolkata, the need for space to accomodate the ever increasing population is increasing day by day. As a result the encoarchment of the large wetland on the eastern frindge of the city is increasing and so is the threat of its loosing the status of Ramsar Status. Approach: Proper documentation of the existing traditional practice … …OnLine Journal of Biological Sciences, Vol. 12, Issue 2 · 31 Jul 2012 · 9,082 accessesView PDFCite
Research ArticleOpen accessIn the abstractHeavy Metal Contamination of Soils and Water Resources Kettara Abandoned MineManuel Valiente, Gustavo Perez, Marta Avila et al.Problem statement: Metal mining; together with mineral smelting and processing, have contaminated the environment surrounding mine areas throughout the world exceeding natural background concentration. Approach: These processes introduce metal contaminants into the environment through gaseous and particulate emissions, waste liquids and solid wastes. The principal objective of this study was to investigate soil and water contamination in the vicinity of … …American Journal of Environmental Sciences, Vol. 8, Issue 3 · 8 May 2012 · 8,831 accessesView PDFCite