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282 articles for “Removal”
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Research ArticleOpen accessEvery word in the titleSpace Debris Removal Mechanism Using CubeSat with Gun Shot FacilitiesShankar Bhattarai, Jie-Rou ShangSpace derbies is a very perilous problem and most of the proposed methods for space debris removal are not successfully serviceable for all sized space junk. Keeping in view the limitation of the existing methods of debris removal techniques an active approach is needed and in this regard required to be instigated purposefully. In more than half a century of … …American Journal of Applied Sciences, Vol. 15, Issue 9 · 15 Nov 2018 · 8,211 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePb Removal from Contaminated Water Using EDTA with Colocasiaesculenta (L.) Schott at Klity Creek, Kanchanaburi, ThailandPantawat Sampanpanish, Yotsavanun HongpiriyakulThis study investigated lead (Pb) removal using a plant called‘Elephant Ear’ (Colocasiaesculenta (L.) Schott) from contaminated waterat Klity Creek, located in Kanchanaburi Province, Thailand. Plants weregrown in contaminated water with lead carbonate (Pb(CO3)2) in a nursery. The experiment was divided into 4 sets; (1) With Pb but without EDTA, (2) With Pb and EDTA 0.01 millimole (mM) per liter (mM … …American Journal of Environmental Sciences, Vol. 14, Issue 3 · 4 May 2018 · 8,162 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEfficiency of EDTA and TWEEN 80 for the Removal of Chromium using Soil Washing TechnologiesPantawat Sampanpanish, Nawaporn ThetthotsapornThe study on the efficiency of chelate and surfactant for the removal of chromium using soil washing technology of which the chelate is EDTA and surfactant is TWEEN 80 at concentrations of 8, 16 and 32 millimoles was separately conducted. The experiment soil was synthetic soil with chromium contamination for 2 years. In this study, 20 g of contaminated soil … …American Journal of Applied Sciences, Vol. 15, Issue 1 · 18 Jan 2018 · 8,331 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleWater Filter Fabrication from a Mixture of KMnO4 Modified Kapok Carbon Fiber, Zeolite, Bentonite and Clay for Fe3+Removal and Water Hardness TreatmentKannika Thongdee, Kalayaporn Parun, Suphakrit Benjatitmongkhon et al.A water filter was fabricated from a mixture of KMnO4 modified kapok carbon fiber, zeolite, bentonite and kaolinite clay for Fe3+ removal and water hardness treatment. The effects of amount of KMnO4 modified kapok carbon fiber (30-60 wt%), zeolite (20-40 wt%) and sintering temperature (500-700°C) on the properties of sintered products were evaluated. The best of sintered products were tested … …American Journal of Applied Sciences, Vol. 14, Issue 6 · 15 Jun 2017 · 7,580 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleKMnO4 Modified Carbon Prepared from Waste of Pineapple Leaf Fiber Production Processing for Removal of Ferric Ion from Aqueous SolutionSumrit Mopoung, Thaksaphon BuntermKMnO4 modified carbon materials from waste of pineapple leaf fiber production processing were prepared and characterized. The effects of % weight of KMnO4 (0-5 %wt) and carbonization temperature (500-700°C) were studied by SEM-EDS, XRD, FTIR and BET. The KMnO4 modified waste carbon was used for Fe3+ removal from aqueous solutions. The effects of KMnO4 modification, contact time, pH and loading … …American Journal of Applied Sciences, Vol. 13, Issue 6 · 25 Jun 2016 · 7,687 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleRemoval 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 · 7,182 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Review of the Mechanisms of Faecal Coliform Removal from Algal and Duckweed Waste Stabilization Pond SystemsE. D.O. Ansa, E. Awuah, A. Andoh et al.The use of eco-technologies for wastewater treatment such as algal and duckweed-based pond systems is becoming popular in developing countries owing to its affordability and efficiency of pathogen removal in warm climates. The pathogen removal mechanisms of these treatment systems however is still not clearly understood and existing knowledge is also scattered in journals and books of different disciplines. The … …American Journal of Environmental Sciences, Vol. 11, Issue 1 · 5 Apr 2015 · 8,365 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleREMOVAL OF CONGO RED DYE FROM AQUEOUS SOLUTION BY DATE PALM LEAF BASEGhadah AlsenaniRemoval of dyes from wastewater is important for industry and environmental protection. The adsorption technique, using biomass is attractive method for environmental and economical reasons. This study studies removal of Congo Red dye (CR) from aqueous solutions by adsorption using date palm Leaf Base (LB). The adsorption of congo red dye CR onto LB has been examined in aqueous solution … …American Journal of Applied Sciences, Vol. 11, Issue 9 · 26 Jul 2014 · 7,768 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEVALUATION 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 accessEvery word in the titleDevelopment and Testing of an Ammonia Removal Unit from the Exhaust Gas of a Manure Drying SystemA. E. Ghaly, K. N. MacDonaldThe storage and handling of animal wastes is one of the main sources of ammonia gas emissions. Ammonia gas has a distinct, unpleasant odor and can become detrimental to the health of humans and animals at high concentrations. Ammonia emissions are of particular concern in manure drying systems, where large losses of nitrogen, in the form of ammonia can cause … …American Journal of Environmental Sciences, Vol. 9, Issue 1 · 16 Feb 2013 · 7,415 accessesView PDFCite