[PDF] Top 20 Procedimiento para el diagnóstico y mejora del clima organizacional

... It is a matter of interest, therefore, to investigate from the point of view of adsorption, the effect on the chemical and physical properties of such a solution, of percolation through [r] ... See full document

... and adsorption. In case of adsorption, the generally used adsorbents are ...riverbed sand as adsorbents in order to develop cheaper ...(VI) ions, adsorbent dosage, contact time, pH of solution ... See full document

... and sand, the efficiency of metal removal was: Zn ...open water surface and good efficiency for Cu, Pb and Zn ...ground water [23]. Furthermore, a mixture of metal ions was used in our ... See full document

... obtained from experimental investigation performed with a low cost adsorbent (Charfine-a by product obtained during carbonization of lignitc coal) in the process of adsorptive colour removal of a reactive dye ... See full document

... the adsorption process was spontaneous with the increase in entropy and decrease in Gibbs ...Mn(II) ions decreased the Cu(II) ion adsorption onto synthetic zeolite, but increased the total ... See full document

... and water treatment of Ca (II) and Mg (II) hardness were investigated via adsorption of metal ions onto commercial polyacrylic acid hydrogel beads as a novel sorbent for metal ions (Ca 2+ , Mg ... See full document

... cesium ions in the filtrate was determined using an ICP (inductively coupled plasma) mass spec- trometer (Agilent 77009, Agilent Technologies, ...cesium ions in the liquid phase and the mass (M) of powder ... See full document

... chromium from waste ...carbon from agricultural waste, namely Cucumis Melo Peel (CMAC) for the removal of hexavalent chromium from synthetic waste ... See full document

... cation adsorption capacity, 5g of porcelanite rock was washed with hydrochloric acid for 24 h, followed by washing with distilled water for 48 h, and then dried at 60 °C for three ... See full document

... salt water composition when applying potentiometric titration, adapted to the study of water samples of hyperhalinе reservoirs, using the example of the Aral Sea (western basin of the Southern Aral), ... See full document

... Factors affecting chromium adsorption were studied using larch (Larix leptolepis) leaves to determine the optimum adsorption conditions.. The factors included solution[r] ... See full document

... removal from aqueous media was successfully ...The adsorption process fitted well with Langmuir isotherm and its kinetics abides the pseudo second order kinetic ...removal from water sources ... See full document

... Carbon hardness was determined using a wet attrition test [18]. A sieve of 2mm mesh size was used. 1 gram of sample was added to 100mL of acetate buffer (0.07) sodium acetate and 0.03m acetic acid pH 4.8 in a 150mL ... See full document

... for adsorption than hydrated metal ions because the formation of the hydroxyl group of the metal ion reduces the free energy required for ...2+ ions absorbed increased as pH is increased from ... See full document

... distinguished from other toxic pollutants, because these are non biodegradable, may undergo transformation, and can have a large environmental, public health, and economic ...beneficial. Adsorption ... See full document

... North Sea is enclosed by densely populated industrialised ...North Sea coast. A lot of activities take place in the North Sea: navigation, fishery, tourism, industry, oil and gas mining, sand ... See full document

... Where Ci is initial nitrate concentration in milligrams per liter, m is adsorbent weight in grams and v is the volume of solution in liters. C e is equilibrium concentration of adsorbed material in solution phase after ... See full document

... deionised water several times with a constant stirring, to remove the soluble inorganic salts and any adhering ...separated from liquid by filtration and then dried at 80°C for 24 ... See full document

... Comparison of the falling blood concentrations of animals transferred from n o tdl 160% sea water to fresh water and from 160 to 190% sea water to 50% sea water illustrates that the prod[r] ... See full document

... and water quality and make interpretations to the existing chemistry on specific ...deposited from these waters, allowing the extraction of palaeohydrological and other climate-related ...soils from ... See full document