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16 Fuel science and technology (fundamental science, analysis, instrumentation) Alternatively it is the height at or above which the entrainment flux comes down to a nearly constantlevel.
A correlation has been determined for the TDH on the basis of experimental observation of coal particles, with a density of 1690 kg/m', from a liquid-fluidized bed. Water was used in a Perspex fluidizing column, having an inside diameter of 0.1143 m and a height of 2.89 m. Four different size fractions of coal were tested.
Rivera-Utrilla, J. et al. K&m. Tverd. Topl., 1996, (4), 28-38. (In Russian) A two-step process of pyrolysis and steam activation, was used to prepare activated carbon sorbents from raw and demineralized sub-bituminous coal. The effect of demineralization and steam activation on the obtained surface area and pore structure was studied. Adsorption activity of the carbon was investigated using phenol and phenolic compounds in aqueous media. Thermal decomposition of phenol, m-aminophenol, and p-nitrophenol was also studied.
Problems in measurement of expansion pressure of coking coals Fojtik, Z. et al. Hutn. Listy, 1997, 52, (l), 3-7. (In Czech) Discusses the definition and formation mechanism of expansion pressure of a coking coal, a laboratory apparatus for measuring the expansion pressure and computer software for the apparatus.
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consumption is recommended to decrease the temperature in the tuyere hopper through the vertical chute into the centre of the blast furnace. The zone and of the overall gas flow. Consequently, the service life of the amount of coke needed at the central part of a blast furnace can be thus refractory
The paper studies the electrochemical methane conversion in a cell with the solid oxygen-conducting electrolyte. The platinum electrode is an active electrode/catalyst for partial methane oxidation to syngas with the ratio I&l/lCOl = 2. New possibilities and advantages of the electrochemical route
In a medium of (near) supercritical water, plastic wastes are decomposed, using a tube-type continuous reactor, to give oils. For the wastes containing Cl-type plastics, the wastes are heated to decompose a part or all of the CItype plastics and separate the resultant HCI. The resulting wastes are t