Automatic Carbon Dioxide-Methane Gas Sensor Based on the Solubility of Gases in Water
AbstractBiogas methane content is a relevant variable in anaerobic digestion processing where knowledge of process kinetics or an early indicator of digester failure is needed. The contribution of this work is the development of a novel, simple and low cost automatic carbon dioxide-methane gas sensor based on the solubility of gases in water as the precursor of a sensor for biogas quality monitoring. The device described in this work was used for determining the composition of binary mixtures, such as carbon dioxide-methane, in the range of 0–100%. The design and implementation of a digital signal processor and control system into a low-cost Field Programmable Gate Array (FPGA) platform has permitted the successful application of data acquisition, data distribution and digital data processing, making the construction of a standalone carbon dioxide-methane gas sensor possible.
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Cadena-Pereda, R.O.; Rivera-Muñoz, E.M.; Herrera-Ruiz, G.; Gomez-Melendez, D.J.; Anaya-Rivera, E.K. Automatic Carbon Dioxide-Methane Gas Sensor Based on the Solubility of Gases in Water. Sensors 2012, 12, 10742-10758.
Cadena-Pereda RO, Rivera-Muñoz EM, Herrera-Ruiz G, Gomez-Melendez DJ, Anaya-Rivera EK. Automatic Carbon Dioxide-Methane Gas Sensor Based on the Solubility of Gases in Water. Sensors. 2012; 12(8):10742-10758.Chicago/Turabian Style
Cadena-Pereda, Raúl O.; Rivera-Muñoz, Eric M.; Herrera-Ruiz, Gilberto; Gomez-Melendez, Domingo J.; Anaya-Rivera, Ely K. 2012. "Automatic Carbon Dioxide-Methane Gas Sensor Based on the Solubility of Gases in Water." Sensors 12, no. 8: 10742-10758.