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It is the purpose of this work to present an experimental analysis of the thermodynamic cycles in a multi-tubular adsorber of a solar-powered icemaker that uses activated carbon-methanol pair. The experimental cycles were obtained from tests made under different meteorological conditions—mainly the conditions pertaining to cloud cover degree. The system was tested in a Brazilian region close to the...
The gas-chromatographic method is used to study the interaction of water and methanol molecules with active hydrophilic centres existing at the surface of thermally exfoliated graphite and graphitized thermal carbon black. The concentration of carboxyl and phenol hydroxyl groups at the surface of these sorbents is determined, and heats of adsorption of the studied molecules are shown to be $$\bar...
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