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Revista Tecnología en Marcha
versión On-line ISSN 0379-3982versión impresa ISSN 0379-3982
Resumen
VAQUERANO-PINEDA, Nicolás; SALAZAR-ROJAS, Teresa y PORRAS-ACOSTA, María. Automatic measurement methane by displacement columns. Tecnología en Marcha [online]. 2016, vol.29, suppl.5, pp.86-96. ISSN 0379-3982. http://dx.doi.org/10.18845/tm.v29i8.2988.
It describes an automatic process implemented through the use of the Siemens LOGO controller for measuring volume, flow and methane concentration in biogas produced by cellulosic substrates. It determines the composition of biogas without the time consuming and unnecessarily detailed chromatography method. Due to the interest in methane in biogas, a technique has been developed by means of displacement columns for determining volume and low flow. An indirect procedure has been implemented to estimate high proportions of methane, using inexpensive sensors designed for concentrations of 1% in volume.
Palabras clave : Impedance; displacement columns; flow; biogas; leaks.