Hydrometallurgy 105 (2010) 148–154 Contents lists available at ScienceDirect Hydrometallurgy j o u r n a l h o m e p a g e : w w w. e l s ev i e r. c o m / l o c a t e / h yd r o m e t Treatment of copper flash smelter flue dusts for copper and zinc extraction and arsenic stabilization A. Morales a‚ M. Cruells b‚ A. Roca b‚⁎‚ R. Bergó b a b Universidad Católica del Norte‚ Department of Metallurgical Engineering‚ Antofagasta‚ Chile Universitat de Barcelona‚ Department of Materials Science and Metallurgical
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EXPERIMENTAL PROCEDURE: 1. 2.07 g of the mixture of naphthalene and benzoic acid was weighed accurately on a balance. The mixture was then dissolved in 40 ml dichloromethane and the solution was poured into a separatory funnel. 2. 20 ml of aqueous sodium bicarbonate solution was added to the dichloromethane. A stopper was placed on the separatory funnel and was shaken and pressure was frequently released. The 2 liquids separated into clear layers and the lower layer (dichloromethane layer) was
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Abstract This experiment focused on extracting and separating pigments of Chloroplast. For the procedure green leaves were grinded in a mortar with some chemicals and the fluid was filtrated to use for further analysis. Stripes of this solution were put on a filter paper and later‚ after dried placed into a beacon of solvent. After this the chloroplast pigments were separated by the solvent into groups of more or less soluble pigments. Aim How many pigment types are present in a green leaf? It
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thermal efficiencies can be as high as 87% or more. Although both BFB and CFB systems are effective with biofuels‚ CFB is especially suitable for large boiler load ranges. ZG boiler engineer said‚ "Bed combustion temperature control is fundamental to fluid-bed boilers‚ Bed temperature is controlled to limit emissions and to limit bed material agglomeration." Agglomeration can be caused by alkaline ash‚ other metals‚ and phosphates combining with alumina and silica to form low-melting-point eutectics
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Several years ago‚ Acme Mineral Extraction Company introduced teams in an effort to solve morale and productivity problems. Acme used highly sophisticated technology‚ employing geologists‚ geophysicists and engineers on what was referred to as the brains side of the business‚ as well as skilled and semi-skilled labor on the brawn side to run the company’s underground extracting operations. The two sides regularly clashed‚ and when some engineers locked several operations workers out of the office
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P4: Explain the role of the kidney in the homeostatic control of water balance P5: Explain dysfunction in relation to water balance and possible treatments M3: Discuss dysfunction in relation to water balance and possible treatments D2: Analyse the impact on the human body of dysfunctions in relation to water balance For P4‚ I’m going to outline the physiological overview of the kidneys and then I am going to explain the renal system. Also I am going to explain the kidneys in more detail.
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Cell Microstructure and function Smooth endoplasmic reticulum Nucleolus Chromosomes Transfer RNA DNA Messenger RNA Centrioles Phospholipids Rough endoplasmic reticulum Cell Membrane Nucleus Golgi apparatus Mitochondria Lysosomes Cell membrane Cell membrane is a thin‚ elastically‚ living semi permeable membrane so it controls what goes in and out of the cells. Cell membrane is also made up of two layers of lipids with protein molecules between them which
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Extraction of Jathropa curcas Seed Fats and Oil and Identification and Characterization of Unknown Oil Jose G. Intano‚ Jr. and Niescee Eiscene Talaman University of the Philippines Visayas Miagao‚ Iloilo xdvm_apollo469@yahoo.com‚ messyisnessy@gmail.com Abstract The experiment had the objectives of extracting fats and oil from plant sample using 3:2 hexane-isopropanol solvent through Soxhlet method and of identifying and characterizing unknown oil sample using different chemical analyses
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associated with fluid accumulation in the space between the lung and the chest wall (pleural space). In the procedure‚ a needle is inserted between the ribs so that fluid can be removed from the pleural space. The fluid is analyzed for cells and chemicals. A local anesthetic is used to minimize your discomfort. This procedure may also be used to remove a large volume of fluid from the pleural space to alleviate the symptom of shortness of breath associated with a large collection of fluid in the pleural
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Nano-scale Phase Change Materials (PCM’s) and Their Effect on Heat Transfer Fluids Sean Schulte‚ Chaoming Wang‚ Ming Su 1NanoScience Technology Center‚ 2Department of Mechanical‚ Materials‚ and Aerospace Engineering‚ University of Central Florida‚ Orlando‚ Florida 32826. mingsu@mail.ucf.edu Abstract: Introduction: Heat transfer fluids (HTF’s) are often used as carriers in heat transfer equipment. It therefor comes as no surprise that finding a way to make HTF’s more efficient is desirable
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