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59 articles for “remediation”
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Research ArticleOpen accessIn the abstractPhycoremediation and the Potential of Sustainable Algal Biofuel Production using WastewaterAdel A. Fathi, Mohamed M. Azooz, Mohamed A. Al-FredanWastewater remediation by microalgae is an eco-friendly process with no secondary pollution as long as the biomass produced is reused and allows efficient nutrient recycling. This study was undertaken to evaluate the remediation of wastewater by the green alga Chlorella vulgaris and the potential of these alga (biomass) to produce sustainable biofuel. The results shows that the cultivation of green … …American Journal of Applied Sciences, Vol. 10, Issue 2 · 27 Feb 2013 · 7,541 accessesView PDFCite
Research ArticleOpen accessIn the abstractPhenanthrene Contaminated Soil Biotreatment Using Slurry Phase BioreactorM. Arbabi, M. Sadeghi, Ch. AnyakoraProblem Statement: Polycyclic Aromatic Hydrocarbons (PAHs) are suspected toxins that accumulate in soils and sediments due to their insolubility in water and lack of volatility. Slurry-phase biological treatment is one of the innovative technologies that involve the controlled treatment of excavated soil in a bioreactor. Due to highly soil contamination from petroleum compounds in crude oil extraction and also oil … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 6,762 accessesView PDFCite
Research ArticleOpen accessIn the abstractFraming Contests in Environmental Decision-making: A Case Study of the Tar Creek (Oklahoma) Superfund SiteShirley G. Vincent, Thomas E. ShriverProblem statement: Stakeholder involvement processes have become an important component of environmental decision-making. This study investigated the role that stakeholders operating outside of official stakeholder processes may play in influencing the policy environment. An improved understanding of the public and political influences on environmental policy decisions contributes to the development of more effective and legitimate policies. Approach: We utilized frame … …American Journal of Environmental Sciences, Vol. 5, Issue 2 · 30 Apr 2009 · 7,251 accessesView PDFCite
Research ArticleOpen accessIn the abstractMetabolite Profiles of Arsenic Tolerant Plants Regenerated from Stem Calli of Andrographis paniculata (Burm.f.) Nees using HPLC and 1D 1H NMRJ. Vijayakumar, P. Ponmanickam, P. Samuel et al.In vitro culture provide a suitable condition for regeneration of arsenic tolerant plants from stem calli of Andrographis paniculata (Burm.f.) Nees. The regenerated plants could be valuable material applicable to soil remediation. In vitro culture of stem explants on MS basal salts, 3.0% sucrose, 0.8% agar medium fortified with various concentrations of As2O3 (0.0-9.0 µM) along with NAA (3.5 mg … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 27 Oct 2017 · 7,867 accessesView PDFCite
Research ArticleOpen accessIn the abstractRadiological Risks Assessment of Ogun State Drinking WaterJustina Ada Achuka, Usikalu Mojisola Rachael, Oyeyemi Kehinde DavidThe presence of radionuclides in water constitute health risk to man. The consumption of such water increases the likelihood of incurring cancer. Analysis will enhance the detection of significant radionuclides causing harm to the populace and stimulate remediation. This inferred the radioactivity measurements of twenty (20) well water samples from three industrial cities of Ogun State using Hyper Pure Germanium … …American Journal of Applied Sciences, Vol. 14, Issue 5 · 18 May 2017 · 7,790 accessesView PDFCite
Research ArticleOpen accessIn the abstractSimulation Model for Feasibility Studies on Bioremediation of Uranium Mill Tailings using Hyper Accumulator Chrysopogon zizanioidesH. Shanmugasundaram, Sathesh Kumar Annamalai, Kantha Deivi Arunachalam et al.Contamination of environment by uranium is expected in places where mining of uranium ore and processing, nuclear testing and reactor operations when the control measures are not effective. The daughter radionuclides of the ores, chemical additives and residual uranium are the maincomponents of processed waste from uranium industries. The bioremediation of contaminated areas using plant species or group of the … …American Journal of Environmental Sciences, Vol. 12, Issue 6 · 11 Dec 2016 · 8,875 accessesView PDFCite
Research ArticleOpen accessIn the abstractRemoval of Copper from Aqueous Solution using Tunisian ClayN. Boujelben, S. Gharab, F. Bouhamed et al.Natural adsorbents such as clay was used to replace expensive imported synthetic adsorbents. In this study, Scanning Electron Microscopy (SEM), Infrared spectroscopy and X-ray diffraction techniques were used to characterize the used sorbent (clays C). Batch experiments were performed to evaluate the effects of contact time, solution pH and temperature on copper removal onto used sorbent from aqueous solution. Equilibrium … …American Journal of Environmental Sciences, Vol. 11, Issue 2 · 15 Jun 2015 · 7,186 accessesView PDFCite
Research ArticleOpen accessIn the abstractIndustrial Waste-an Economical Approach for Adsorption of Heavy Metals from Ground WaterMargherita Pettinato, Debolina Mukherjee, Silvestro Andreoli et al.A by product from steel industry mainly known as blast furnace slag is a waste product which was tested for the removal of As(III), from ground water. Steel slag is a commercial waste material mainly consisting of SiO2, Al2O3 and CaO, the former two chemicals being major components of zeolites and the latter a major component of Hydroxyapatite (HAP). Arsenic … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 1 · 10 Apr 2015 · 8,159 accessesView PDFCite
Research ArticleOpen accessIn the abstractCOUPLED NITROGEN AND OXYGEN ISOTOPE STUDY OF NITRATE AT A RURAL UNLINED LANDFILL IN WESTERN VICTORIA, AUSTRALIAJohn W. Moreau, Andrew M. MinardUnderstanding of site-scale physical and chemical heterogeneities will inform remediation strategies for unlined rural landfills worldwide. The aim of this study was to characterize potential sources of nitrogen contamination to groundwater at an unlined landfill in rural western Victoria, Australia. Results revealed simultaneously high concentrations of both nitrate and ammonia within several wells, indicative of heterogeneous redox potentials within the … …American Journal of Environmental Sciences, Vol. 10, Issue 4 · 30 Jun 2014 · 7,610 accessesView PDFCite
Research ArticleOpen accessIn the abstractGrowth Performance, Biomass and Phytoextraction Efficiency of Acacia mangium and Melaleuca cajuputi in Remediating Heavy Metal Contaminated soilShibli Nik Mohd, Nik Muhamad Majid, Noor Azhar Mohamed Shazili, Arifin AbduHeavy metals are very toxic and soil contaminated with sewage sludge urgently need remediation in order to avoid related health hazards. Phytoremediation is a low cost and reliable technique to remediate heavy metal contamination. However phytoremediation using timber species was rarely reported and its efficiency was questionable. A field study was conducted to examine the efficiency of two timber species … …American Journal of Environmental Sciences, Vol. 9, Issue 4 · 28 Aug 2013 · 7,412 accessesView PDFCite