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81 results for “Aqueous Solution”
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Research ArticleOpen accessIn the abstractAdsorption of Nickel and Zinc by Residual SoilsNur ’Aishah Zarime, W. Y. Wan Zuhairi, Sivarama KrishnaSoil has long been utilized as low cost liner material to prevent contamination from leachate to groundwater media. To find a suitable soil material for this purpose is a great challenge. This study describes the potential use of residual soil to functions as engineered clay liner for waste disposal landfill in Malaysia. Three types of residual soils were investigated namely … …American Journal of Environmental Sciences, Vol. 10, Issue 6 · 5 Dec 2014 · 7,116 accessesView PDFCite
Research ArticleOpen accessIn the abstractEVALUATION OF BIOMASS, INDIAN JUJUBA SEED (IJS) FOR REMOVAL OF CONGO REDL. Sivaramakrishna, M. Sivasankar Reddy, M. Jagadeesh et al.The present investigation deals with the removal of Congo Red (CR) from aqueous solution by using Indian Jujuba Seed (IJS) as low-cost biosorbent. The effect of pH and size experimental parameters has been investigated using a Batch adsorption technique. Adsorption data were modeled using Langmuir and Freundlich adsorption isotherms. Adsorption kinetics was verified by pseudo-first order, pseudo-second order and intraparticle … …American Journal of Environmental Sciences, Vol. 10, Issue 4 · 30 Jun 2014 · 7,181 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffectiveness of Photocatalytic Decolourization of Reactive Red 120 Dye in Textile Effluent Using UV/H2O2Rishi Ananthashankar, Abdel GhalyThe effectiveness of Advanced Oxidation Process (AOP) for degradation of reactive red 120 dye in aqueous solutions was tested in this present study. Ten different concentrations of the reactive red 120 dye were exposed to UV alone and a combination of UV with two different concentrations (10 ml/L and 20 ml/L) of H2O2 for 10 different retention times at the … …American Journal of Environmental Sciences, Vol. 9, Issue 4 · 28 Aug 2013 · 7,408 accessesView PDFCite
Research ArticleOpen accessIn the abstractHexavalent Chromium Removal by Litchi chinensis Sonn PeelIsmael Acosta-Rodriguez, Rigoberto Martinez-Perez, Juan F. Cardenas-Gonzalez et al.Problem statement: We studied the Chromium (VI) removal capacity in aqueous solution by the litchi peel. Approach: We use the diphenylcarbazide method to evaluate the metal concentration. Results: The highest biosorption of the metal (50 mg L-1) occurs within 6 min, at pH of 1 and 28°C. According to temperature, the highest removal was observed at 40 and 50°C, in … …American Journal of Biochemistry and Biotechnology, Vol. 8, Issue 1 · 1 Mar 2012 · 8,223 accessesView PDFCite
Research ArticleOpen accessIn the abstractPermeability, Strength and Filtration Performance for Uncoated and Titania-Coated Clay Wastewater FiltersMasturi, Silvia, Mahardika Prasetya Aji et al.Problem statement: Wastewater problems continue to be a relevant issue, particularly in urban areas. One promising low-cost material for manufacturing porous ceramics as water filter is clay. Clays can be blended with other materials such as polymers to obtain functional ceramic materials. Approach: Ceramic wastewater filters were fabricated from clay using both sol-gel and simple mixing methods followed by hot-pressing … …American Journal of Environmental Sciences, Vol. 8, Issue 2 · 29 Feb 2012 · 8,395 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Different Exogeneous Compounds on Biosorption of EndosulfanDeepika Dave, A. K. DikshitProblem statement: Organochlorine pesticide endosulfan is widely used as a replacement for DDT and dieldrin in many parts of the world. Presence of residual pesticides in the water, air and soil environment was confirmed since 1960s. Such Persistent Organic Pollutants (POPs) are of concern because of their long-term subtle effects on hormones, the immune system and reproduction. Therefore, it becomes … …American Journal of Environmental Sciences, Vol. 7, Issue 3 · 11 Jul 2011 · 7,202 accessesView PDFCite
Research ArticleOpen accessIn the abstractAluminum Powder and Zwitrionic Surfactants as Drag Reducing Agents in Pipe LinesHayder A. Abdul Bari, Rosli Bin Mohd Yunus, Tania Suhail HadiProblem statement: One of the most power consuming sector in the industry is the liquid transportation through pipelines due to the turbulent mode the liquids are transported with. Drag reducing agents were used as a solution for the pumping power losses in pipelines. One of the inportant drag reducing agents suggested to improve the flow in pipelines are the suspended … …American Journal of Applied Sciences, Vol. 7, Issue 10 · 31 Oct 2010 · 7,295 accessesView PDFCite
Research ArticleOpen accessIn the abstractTartaric Acid Modified Rice Hull as a Sorbent for Methylene Blue RemovalSiew-Teng Ong, Pei-Sin Keng, Ai-Wen Chong et al.Problem statement: Improper dye discharge from various industries such as textile, paper, cosmetic and plastics into receiving streams can be one of the sources towards water pollution. The release of these effluents not only causes various disruptions in the ecosystems, but also poses hazard effect as most of the dyes are highly toxic, mutagenic and carcinogenic in nature. Approach: To … …American Journal of Environmental Sciences, Vol. 6, Issue 3 · 30 Jun 2010 · 7,151 accessesView PDFCite
Research ArticleOpen accessIn the abstractAcid-Base Buffering Properties of Five Legumes and Selected Food in vitroMaher M. Al-Dabbas, Khalid Al-Ismail, Ruba Abu Taleb, Salam IbrahimProblem statement: in vitro acid-Buffering Capacity (BC) values of 5% (dry matter) aqueous homogenized suspension of five legumes (broad bean, lentils, chickpea, kidney bean and lupine) and of selected antacid home preparations (cow's milk, almond, peanut, licorice, carob and lettuce stem) were investigated within and among samples from their respective initial pH until pH was decreased to 1.5. BC was … …American Journal of Agricultural and Biological Sciences, Vol. 5, Issue 2 · 21 Jun 2010 · 9,737 accessesView PDFCite
Research ArticleOpen accessIn the abstractUltrasonic Dental Scaler Performance Assessment with an Innovative CavitometerAntonio Henrique Alves Pereira, Camila Tirapelli, Lucimar Antonio RodolphoProblem statement: There is no specific instrument to test ultrasonic dental scalers used in dentistry. Approach: The aim of this research was to develop and test an innovative cavitometer for quantitative and automatic performance assessments of Ultrasonic Dental Scalers (UDS) through the acoustic emission produced by cavitation induced by the tip of the UDS ultrasonic transducer when immersed in aqueous … …American Journal of Applied Sciences, Vol. 7, Issue 3 · 31 Mar 2010 · 7,535 accessesView PDFCite